OV - exec - Function sortAtomsInCell

	Function: sortAtomsInCell	Module: exec	Source: haloExchange.c:614-645	Coverage (incl. loops): 3.38% \| (excl. loops): 0.04%

/beegfs/hackathon/users/eoseret/qaas_runs_test/gmz12.benchmarkcenter.megware.com/177-374-1600/CoMD/build/CoMD/CoMD/src-openmp/haloExchange.c: 614 - 645

--------------------------------------------------------------------------------

614: {

615:    int nAtoms = boxes->nAtoms[iBox];

616:

617:    AtomMsg tmp[nAtoms];

618:

619:    int begin = iBox*MAXATOMS;

620:    int end = begin + nAtoms;

621:    for (int ii=begin, iTmp=0; ii<end; ++ii, ++iTmp)

622:    {

623:       tmp[iTmp].gid  = atoms->gid[ii];

624:       tmp[iTmp].type = atoms->iSpecies[ii];

625:       tmp[iTmp].rx =   atoms->r[ii][0];

626:       tmp[iTmp].ry =   atoms->r[ii][1];

627:       tmp[iTmp].rz =   atoms->r[ii][2];

628:       tmp[iTmp].px =   atoms->p[ii][0];

629:       tmp[iTmp].py =   atoms->p[ii][1];

630:       tmp[iTmp].pz =   atoms->p[ii][2];

631:    }

632:    qsort(&tmp, nAtoms, sizeof(AtomMsg), sortAtomsById);

633:    for (int ii=begin, iTmp=0; ii<end; ++ii, ++iTmp)

634:    {

635:       atoms->gid[ii]   = tmp[iTmp].gid;

636:       atoms->iSpecies[ii] = tmp[iTmp].type;

637:       atoms->r[ii][0]  = tmp[iTmp].rx;

638:       atoms->r[ii][1]  = tmp[iTmp].ry;

639:       atoms->r[ii][2]  = tmp[iTmp].rz;

640:       atoms->p[ii][0]  = tmp[iTmp].px;

641:       atoms->p[ii][1]  = tmp[iTmp].py;

642:       atoms->p[ii][2]  = tmp[iTmp].pz;

643:    }

644:

645: }

0x20c950 PUSH	%RBP

0x20c951 MOV	%RSP,%RBP

0x20c954 PUSH	%R15

0x20c956 PUSH	%R14

0x20c958 PUSH	%R13

0x20c95a PUSH	%R12

0x20c95c PUSH	%RBX

0x20c95d SUB	$0x38,%RSP

0x20c961 MOV	0x78(%RSI),%RAX

0x20c965 MOVSXD	%EDX,%RCX

0x20c968 MOV	%RSP,%R13

0x20c96b MOVSXD	(%RAX,%RCX,4),%RAX

0x20c96f MOV	%EAX,%ESI

0x20c971 IMUL	$0x38,%RSI,%RCX

0x20c975 ADD	$0xf,%RCX

0x20c979 AND	$-0x10,%RCX

0x20c97d SUB	%RCX,%R13

0x20c980 MOV	%R13,%RSP

0x20c983 TEST	%RAX,%RAX

0x20c986 JLE	20ca6e

0x20c98c MOV	%RDI,%R14

0x20c98f SAL	$0x6,%EDX

0x20c992 MOV	0x8(%RDI),%RCX

0x20c996 MOV	0x10(%RDI),%RDI

0x20c99a MOV	0x18(%R14),%R8

0x20c99e MOV	0x20(%R14),%R9

0x20c9a2 ADD	%EDX,%EAX

0x20c9a4 MOVSXD	%EDX,%R12

0x20c9a7 MOV	%R13,%RDX

0x20c9aa MOVSXD	%EAX,%R15

0x20c9ad LEA	(%R12,%R12,1),%RAX

0x20c9b1 MOV	%R12,%R10

0x20c9b4 LEA	0x4(%RAX,%RAX,2),%RAX

0x20c9b9 NOPL	(%RAX)

(59) 0x20c9c0 MOV	(%RCX,%R10,4),%R11D

(59) 0x20c9c4 MOV	%R11D,(%RDX)

(59) 0x20c9c7 MOV	(%RDI,%R10,4),%R11D

(59) 0x20c9cb INC	%R10

(59) 0x20c9ce MOV	%R11D,0x4(%RDX)

(59) 0x20c9d2 VMOVSD	-0x10(%R8,%RAX,4),%XMM0

(59) 0x20c9d9 VMOVSD	%XMM0,0x8(%RDX)

(59) 0x20c9de VMOVSD	-0x8(%R8,%RAX,4),%XMM0

(59) 0x20c9e5 VMOVSD	%XMM0,0x10(%RDX)

(59) 0x20c9ea VMOVSD	(%R8,%RAX,4),%XMM0

(59) 0x20c9f0 VMOVSD	%XMM0,0x18(%RDX)

(59) 0x20c9f5 VMOVSD	-0x10(%R9,%RAX,4),%XMM0

(59) 0x20c9fc VMOVSD	%XMM0,0x20(%RDX)

(59) 0x20ca01 VMOVSD	-0x8(%R9,%RAX,4),%XMM0

(59) 0x20ca08 VMOVSD	%XMM0,0x28(%RDX)

(59) 0x20ca0d VMOVSD	(%R9,%RAX,4),%XMM0

(59) 0x20ca13 ADD	$0x6,%RAX

(59) 0x20ca17 VMOVSD	%XMM0,0x30(%RDX)

(59) 0x20ca1c ADD	$0x38,%RDX

(59) 0x20ca20 CMP	%R15,%R10

(59) 0x20ca23 JL	20c9c0

0x20ca25 LEA	0x594(%RIP),%RCX

0x20ca2c MOV	$0x38,%EDX

0x20ca31 MOV	%R13,%RDI

0x20ca34 CALL	214740 <@plt_start@+0x1c0>

0x20ca39 MOV	0x8(%R14),%RAX

0x20ca3d MOV	0x10(%R14),%RCX

0x20ca41 MOV	0x18(%R14),%RDX

0x20ca45 MOV	0x20(%R14),%RSI

0x20ca49 MOV	%R12,%RBX

0x20ca4c OR	$0x1,%RBX

0x20ca50 MOV	%R15,%R9

0x20ca53 CMP	%R15,%RBX

0x20ca56 CMOVG	%RBX,%R9

0x20ca5a MOV	%R9,%RDI

0x20ca5d SUB	%R12,%RDI

0x20ca60 CMP	$0x3,%RDI

0x20ca64 JAE	20ca8a

0x20ca66 XOR	%R8D,%R8D

0x20ca69 JMP	20cf20

0x20ca6e LEA	0x54b(%RIP),%RCX

0x20ca75 MOV	$0x38,%EDX

0x20ca7a MOV	%R13,%RDI

0x20ca7d MOV	%RAX,%RSI

0x20ca80 CALL	214740 <@plt_start@+0x1c0>

0x20ca85 JMP	20cfa6

0x20ca8a CMP	%R15,%RBX

0x20ca8d LEA	(%RAX,%R12,4),%R8

0x20ca91 CMOVLE	%R15,%RBX

0x20ca95 IMUL	$0x38,%R12,%R10

0x20ca99 MOV	%R8,-0x40(%RBP)

0x20ca9d LEA	(%RAX,%RBX,4),%R8

0x20caa1 MOV	%R8,-0x48(%RBP)

0x20caa5 LEA	(%RCX,%R12,4),%R8

0x20caa9 MOV	%R8,-0x50(%RBP)

0x20caad LEA	(%RCX,%RBX,4),%R8

0x20cab1 MOV	%R8,-0x38(%RBP)

0x20cab5 IMUL	$0x38,%RBX,%R8

0x20cab9 SAL	$0x3,%RBX

0x20cabd LEA	(%RBX,%RBX,2),%RBX

0x20cac1 LEA	(%RDX,%RBX,1),%R11

0x20cac5 SUB	%R10,%R8

0x20cac8 ADD	%RSI,%RBX

0x20cacb LEA	(,%R12,8),%R10

0x20cad3 MOV	%R11,-0x58(%RBP)

0x20cad7 MOV	-0x40(%RBP),%R11

0x20cadb LEA	-0x30(%R13,%R8,1),%R14

0x20cae0 ADD	%R13,%R8

0x20cae3 CMP	-0x38(%RBP),%R11

0x20cae7 MOV	-0x48(%RBP),%R11

0x20caeb LEA	(%R10,%R10,2),%R10

0x20caef SETBB	-0x2a(%RBP)

0x20caf3 CMP	%R11,-0x50(%RBP)

0x20caf7 LEA	(%RDX,%R10,1),%R11

0x20cafb SETBB	-0x29(%RBP)

0x20caff CMP	%R14,-0x40(%RBP)

0x20cb03 SETBB	-0x2c(%RBP)

0x20cb07 CMP	-0x48(%RBP),%R13

0x20cb0b SETBB	-0x2b(%RBP)

0x20cb0f CMP	%R14,-0x50(%RBP)

0x20cb13 LEA	(%RSI,%R10,1),%R14

0x20cb17 SETBB	-0x2e(%RBP)

0x20cb1b CMP	-0x38(%RBP),%R13

0x20cb1f SETBB	-0x2d(%RBP)

0x20cb23 CMP	%RBX,%R11

0x20cb26 SETBB	-0x48(%RBP)

0x20cb2a CMP	-0x58(%RBP),%R14

0x20cb2e SETBB	-0x40(%RBP)

0x20cb32 CMP	%R8,%R11

0x20cb35 LEA	0x8(%R13),%R11

0x20cb39 SETBB	-0x38(%RBP)

0x20cb3d CMP	-0x58(%RBP),%R11

0x20cb41 SETBB	-0x50(%RBP)

0x20cb45 CMP	%R8,%R14

0x20cb48 SETB	%R14B

0x20cb4c CMP	%RBX,%R11

0x20cb4f SETB	%R11B

0x20cb53 XOR	%R8D,%R8D

0x20cb56 TEST	%R11B,%R14B

0x20cb59 JNE	20cf20

0x20cb5f MOVZX	-0x50(%RBP),%R11D

0x20cb64 AND	%R11B,-0x38(%RBP)

0x20cb68 JNE	20cf20

0x20cb6e MOVZX	-0x40(%RBP),%R11D

0x20cb73 AND	%R11B,-0x48(%RBP)

0x20cb77 JNE	20cf20

0x20cb7d MOVZX	-0x2d(%RBP),%R11D

0x20cb82 AND	%R11B,-0x2e(%RBP)

0x20cb86 JNE	20cf20

0x20cb8c MOVZX	-0x2b(%RBP),%R11D

0x20cb91 AND	%R11B,-0x2c(%RBP)

0x20cb95 JNE	20cf20

0x20cb9b MOVZX	-0x29(%RBP),%R11D

0x20cba0 AND	%R11B,-0x2a(%RBP)

0x20cba4 JNE	20cf20

0x20cbaa CMP	$0x9,%RDI

0x20cbae JAE	20cbb8

0x20cbb0 XOR	%R8D,%R8D

0x20cbb3 JMP	20ce40

0x20cbb8 MOV	%R9D,%R8D

0x20cbbb AND	$0x7,%R8D

0x20cbbf MOV	$0x8,%EBX

0x20cbc4 MOV	%R9,%R14

0x20cbc7 CMOVNE	%R8,%RBX

0x20cbcb MOV	%RDI,%R8

0x20cbce MOV	%RBX,%R11

0x20cbd1 SUB	%RBX,%R8

0x20cbd4 MOV	%RBX,-0x38(%RBP)

0x20cbd8 SUB	%RBX,%R14

0x20cbdb LEA	0x9ed6(%RIP),%RBX

0x20cbe2 MOV	$-0x117f8,%R11

0x20cbec VMOVAPD	(%RBX,%R11,1),%ZMM0

0x20cbf3 MOV	$-0x117b8,%R11

0x20cbfd VMOVAPD	(%RBX,%R11,1),%ZMM1

0x20cc04 MOV	$-0x11778,%R11

0x20cc0e VMOVAPD	(%RBX,%R11,1),%ZMM2

0x20cc15 MOV	$-0x11738,%R11

0x20cc1f VMOVAPD	(%RBX,%R11,1),%ZMM3

0x20cc26 MOV	$-0x116f8,%R11

0x20cc30 VMOVAPD	(%RBX,%R11,1),%ZMM4

0x20cc37 MOV	$-0x116b8,%R11

0x20cc41 VMOVAPD	(%RBX,%R11,1),%ZMM5

0x20cc48 MOV	$-0x11678,%R11

0x20cc52 VMOVAPD	(%RBX,%R11,1),%ZMM6

0x20cc59 MOV	$-0x11638,%R11

0x20cc63 VMOVAPD	(%RBX,%R11,1),%ZMM7

0x20cc6a MOV	$-0x115f8,%R11

0x20cc74 VMOVAPD	(%RBX,%R11,1),%ZMM8

0x20cc7b MOV	$-0x115b8,%R11

0x20cc85 VMOVAPD	(%RBX,%R11,1),%ZMM9

0x20cc8c MOV	$-0x11578,%R11

0x20cc96 VMOVAPD	(%RBX,%R11,1),%ZMM10

0x20cc9d MOV	%R12,%R11

0x20cca0 MOV	%R13,%RBX

0x20cca3 NOPW	%CS:(%RAX,%RAX,1)

(61) 0x20ccb0 VMOVD	(%RBX),%XMM11

(61) 0x20ccb4 VMOVD	0xe0(%RBX),%XMM12

(61) 0x20ccbc VPINSRD	$0x1,0x38(%RBX),%XMM11,%XMM11

(61) 0x20ccc3 VPINSRD	$0x1,0x118(%RBX),%XMM12,%XMM12

(61) 0x20cccd VPINSRD	$0x2,0x70(%RBX),%XMM11,%XMM11

(61) 0x20ccd4 VPINSRD	$0x2,0x150(%RBX),%XMM12,%XMM12

(61) 0x20ccde VPINSRD	$0x3,0xa8(%RBX),%XMM11,%XMM11

(61) 0x20cce8 VPINSRD	$0x3,0x188(%RBX),%XMM12,%XMM12

(61) 0x20ccf2 VMOVDQU	%XMM12,0x10(%RAX,%R11,4)

(61) 0x20ccf9 VMOVDQU	%XMM11,(%RAX,%R11,4)

(61) 0x20ccff VMOVD	0x4(%RBX),%XMM11

(61) 0x20cd04 VMOVD	0xe4(%RBX),%XMM12

(61) 0x20cd0c VPINSRD	$0x1,0x3c(%RBX),%XMM11,%XMM11

(61) 0x20cd13 VPINSRD	$0x1,0x11c(%RBX),%XMM12,%XMM12

(61) 0x20cd1d VPINSRD	$0x2,0x74(%RBX),%XMM11,%XMM11

(61) 0x20cd24 VPINSRD	$0x2,0x154(%RBX),%XMM12,%XMM12

(61) 0x20cd2e VPINSRD	$0x3,0xac(%RBX),%XMM11,%XMM11

(61) 0x20cd38 VPINSRD	$0x3,0x18c(%RBX),%XMM12,%XMM12

(61) 0x20cd42 VMOVDQU	%XMM12,0x10(%RCX,%R11,4)

(61) 0x20cd49 VMOVDQU	%XMM11,(%RCX,%R11,4)

(61) 0x20cd4f ADD	$0x8,%R11

(61) 0x20cd53 VMOVUPD	0x8(%RBX),%ZMM11

(61) 0x20cd5d VMOVUPD	0x88(%RBX),%ZMM13

(61) 0x20cd67 VMOVUPD	0x148(%RBX),%ZMM17

(61) 0x20cd71 VMOVUPD	0x48(%RBX),%ZMM12

(61) 0x20cd7b VMOVUPD	0xc8(%RBX),%ZMM14

(61) 0x20cd85 VMOVUPD	0x108(%RBX),%ZMM16

(61) 0x20cd8f VMOVUPD	0x188(%RBX),%ZMM15

(61) 0x20cd99 ADD	$0x1c0,%RBX

(61) 0x20cda0 VMOVAPD	%ZMM17,%ZMM18

(61) 0x20cda6 VMOVAPD	%ZMM11,%ZMM20

(61) 0x20cdac VPERMT2PD	%ZMM16,%ZMM0,%ZMM18

(61) 0x20cdb2 VMOVAPD	%ZMM13,%ZMM19

(61) 0x20cdb8 VPERMT2PD	%ZMM14,%ZMM2,%ZMM19

(61) 0x20cdbe VPERMT2PD	%ZMM16,%ZMM5,%ZMM17

(61) 0x20cdc4 VPERMT2PD	%ZMM12,%ZMM7,%ZMM11

(61) 0x20cdca VPERMT2PD	%ZMM13,%ZMM9,%ZMM14

(61) 0x20cdd0 VPERMT2PD	%ZMM12,%ZMM4,%ZMM20

(61) 0x20cdd6 VPERMT2PD	%ZMM15,%ZMM1,%ZMM18

(61) 0x20cddc VPERMT2PD	%ZMM16,%ZMM3,%ZMM19

(61) 0x20cde2 VPERMT2PD	%ZMM15,%ZMM6,%ZMM17

(61) 0x20cde8 VPERMT2PD	%ZMM13,%ZMM8,%ZMM11

(61) 0x20cdee VPERMT2PD	%ZMM16,%ZMM10,%ZMM14

(61) 0x20cdf4 VMOVUPD	%ZMM20,(%RDX,%R10,1)

(61) 0x20cdfb VMOVUPD	%ZMM18,0x80(%RDX,%R10,1)

(61) 0x20ce03 VMOVUPD	%ZMM19,0x40(%RDX,%R10,1)

(61) 0x20ce0b VMOVUPD	%ZMM17,0x80(%RSI,%R10,1)

(61) 0x20ce13 VMOVUPD	%ZMM14,0x40(%RSI,%R10,1)

(61) 0x20ce1b VMOVUPD	%ZMM11,(%RSI,%R10,1)

(61) 0x20ce22 ADD	$0xc0,%R10

(61) 0x20ce29 CMP	%R11,%R14

(61) 0x20ce2c JNE	20ccb0

0x20ce32 CMPL	$0x2,-0x38(%RBP)

0x20ce36 JA	20ce40

0x20ce38 ADD	%R8,%R12

0x20ce3b JMP	20cf20

0x20ce40 LEA	0x9c71(%RIP),%R14

0x20ce47 MOV	$-0x11878,%RBX

0x20ce51 AND	$0x1,%R9D

0x20ce55 MOV	$0x2,%R10D

0x20ce5b CMOVNE	%R9,%R10

0x20ce5f VMOVAPD	(%R14,%RBX,1),%YMM0

0x20ce65 SUB	%R10,%RDI

0x20ce68 IMUL	$0x38,%R8,%R10

0x20ce6c ADD	%R12,%R8

0x20ce6f LEA	(,%R8,8),%R11

0x20ce77 LEA	(%RDI,%R12,1),%R9

0x20ce7b LEA	(%R11,%R11,2),%R11

0x20ce7f ADD	%R13,%R10

0x20ce82 NOPW	%CS:(%RAX,%RAX,1)

(62) 0x20ce90 VMOVD	(%R10),%XMM1

(62) 0x20ce95 VPINSRD	$0x1,0x38(%R10),%XMM1,%XMM1

(62) 0x20ce9c VMOVQ	%XMM1,(%RAX,%R8,4)

(62) 0x20cea2 VMOVD	0x4(%R10),%XMM1

(62) 0x20cea8 VPINSRD	$0x1,0x3c(%R10),%XMM1,%XMM1

(62) 0x20ceaf VMOVQ	%XMM1,(%RCX,%R8,4)

(62) 0x20ceb5 ADD	$0x2,%R8

(62) 0x20ceb9 VMOVUPD	0x8(%R10),%ZMM1

(62) 0x20cec3 VMOVUPD	0x48(%R10),%YMM3

(62) 0x20cec9 VMOVUPD	0x8(%R10),%YMM2

(62) 0x20cecf VMOVUPD	0x58(%R10),%XMM5

(62) 0x20ced5 VMOVUPD	0x48(%R10),%XMM4

(62) 0x20cedb VBLENDPD	$0x8,0x28(%R10),%YMM2,%YMM2

(62) 0x20cee2 VSHUFPD	$0x1,0x68(%R10),%XMM5,%XMM5

(62) 0x20cee9 ADD	$0x70,%R10

(62) 0x20ceed VPERMT2PD	%ZMM3,%ZMM0,%ZMM1

(62) 0x20cef3 VMOVUPD	%XMM4,0x20(%RDX,%R11,1)

(62) 0x20cefa VMOVUPD	%YMM2,(%RDX,%R11,1)

(62) 0x20cf00 VMOVUPD	%XMM5,0x20(%RSI,%R11,1)

(62) 0x20cf07 VMOVUPD	%YMM1,(%RSI,%R11,1)

(62) 0x20cf0d ADD	$0x30,%R11

(62) 0x20cf11 CMP	%R8,%R9

(62) 0x20cf14 JNE	20ce90

0x20cf1a MOV	%R9,%R12

0x20cf1d MOV	%RDI,%R8

0x20cf20 LEA	(%R12,%R12,2),%RDI

0x20cf24 IMUL	$0x38,%R8,%R8

0x20cf28 LEA	0x10(,%RDI,8),%RDI

0x20cf30 ADD	%R8,%R13

0x20cf33 NOPW	%CS:(%RAX,%RAX,1)

(60) 0x20cf40 MOV	(%R13),%R8D

(60) 0x20cf44 MOV	%R8D,(%RAX,%R12,4)

(60) 0x20cf48 MOV	0x4(%R13),%R8D

(60) 0x20cf4c MOV	%R8D,(%RCX,%R12,4)

(60) 0x20cf50 INC	%R12

(60) 0x20cf53 VMOVSD	0x8(%R13),%XMM0

(60) 0x20cf59 VMOVSD	%XMM0,-0x10(%RDX,%RDI,1)

(60) 0x20cf5f VMOVSD	0x10(%R13),%XMM0

(60) 0x20cf65 VMOVSD	%XMM0,-0x8(%RDX,%RDI,1)

(60) 0x20cf6b VMOVSD	0x18(%R13),%XMM0

(60) 0x20cf71 VMOVSD	%XMM0,(%RDX,%RDI,1)

(60) 0x20cf76 VMOVSD	0x20(%R13),%XMM0

(60) 0x20cf7c VMOVSD	%XMM0,-0x10(%RSI,%RDI,1)

(60) 0x20cf82 VMOVSD	0x28(%R13),%XMM0

(60) 0x20cf88 VMOVSD	%XMM0,-0x8(%RSI,%RDI,1)

(60) 0x20cf8e VMOVSD	0x30(%R13),%XMM0

(60) 0x20cf94 ADD	$0x38,%R13

(60) 0x20cf98 VMOVSD	%XMM0,(%RSI,%RDI,1)

(60) 0x20cf9d ADD	$0x18,%RDI

(60) 0x20cfa1 CMP	%R15,%R12

(60) 0x20cfa4 JL	20cf40

0x20cfa6 LEA	-0x28(%RBP),%RSP

0x20cfaa POP	%RBX

0x20cfab POP	%R12

0x20cfad POP	%R13

0x20cfaf POP	%R14

0x20cfb1 POP	%R15

0x20cfb3 POP	%RBP

0x20cfb4 VZEROUPPER

0x20cfb7 RET

0x20cfb8 NOPL	(%RAX,%RAX,1)

Coverage (%)	Name	Source Location	Module
►99.76+	redistributeAtoms.omp_outlined	timestep.c:153	exec
○	__kmp_invoke_microtask		libomp.so
○	__kmp_invoke_task_func		libomp.so

min	med	avg	max

Percentile Index	10	20	30	40	50	60	70	80	90	100
Value

min	med	avg	max

Percentile Index	10	20	30	40	50	60	70	80	90	100
Value

Path /

Average path: Display a virtual path defined by average values of all real paths

The code analyzed by CQA in that panel excludes loops and represents 0.04% of application time for run aocc_2

Source file and lines	haloExchange.c:614-645
Module	exec

The function is defined in /beegfs/hackathon/users/eoseret/qaas_runs_test/gmz12.benchmarkcenter.megware.com/177-374-1600/CoMD/build/CoMD/CoMD/src-openmp/haloExchange.c:614-645.

Warnings:
Ignoring paths for analysis

gain
potential
hint
expert

Code clean check

Detected a slowdown caused by scalar integer instructions (typically used for address computation). By removing them, you can lower the cost of an iteration from 25.50 to 5.50 cycles (4.64x speedup).

Workaround

Try to reorganize arrays of structures to structures of arrays
Consider to permute loops (see vectorization gain report)

Vectorization

Your function is probably not vectorized. Only 35% of vector register length is used (average across all SSE/AVX instructions). By vectorizing your function, you can lower the cost of an iteration from 25.50 to 22.36 cycles (1.14x speedup).

Details

Store and arithmetical SSE/AVX instructions are used in scalar version (process only one data element in vector registers). Since your execution units are vector units, only a vectorized function can use their full power.

Workaround

Try another compiler or update/tune your current one
Make array accesses unit-stride:
- If your function streams arrays of structures (AoS), try to use structures of arrays instead (SoA): for(i) a[i].x = b[i].x; (slow, non stride 1) => for(i) a.x[i] = b.x[i]; (fast, stride 1)

Execution units bottlenecks

Found no such bottlenecks but see expert reports for more complex bottlenecks.

No data for this section

CALL instructions

Detected function call instructions.

Details

Calling (and then returning from) a function prevents many compiler optimizations (like vectorization), breaks control flow (which reduces pipeline performance) and executes extra instructions to save/restore the registers used inside it, which is very expensive (dozens of cycles). Consider to inline small functions.

unknown: 2 occurrences►
- /beegfs/hackathon/users/eoseret/qaas_runs_test/gmz12.benchmarkcenter.megware.com/177-374-1600/CoMD/build/CoMD/CoMD/src-openmp/haloExchange.c:632
- /beegfs/hackathon/users/eoseret/qaas_runs_test/gmz12.benchmarkcenter.megware.com/177-374-1600/CoMD/build/CoMD/CoMD/src-openmp/haloExchange.c:632

Complex instructions

Detected COMPLEX INSTRUCTIONS.

Details

These instructions generate more than one micro-operation and only one of them can be decoded during a cycle and the extra micro-operations increase pressure on execution units.

CMOVG: 1 occurrences►
- /beegfs/hackathon/users/eoseret/qaas_runs_test/gmz12.benchmarkcenter.megware.com/177-374-1600/CoMD/build/CoMD/CoMD/src-openmp/haloExchange.c:633
CMOVLE: 1 occurrences►
- /beegfs/hackathon/users/eoseret/qaas_runs_test/gmz12.benchmarkcenter.megware.com/177-374-1600/CoMD/build/CoMD/CoMD/src-openmp/haloExchange.c:633
LEA: 2 occurrences►
- /beegfs/hackathon/users/eoseret/qaas_runs_test/gmz12.benchmarkcenter.megware.com/177-374-1600/CoMD/build/CoMD/CoMD/src-openmp/haloExchange.c:621
- /beegfs/hackathon/users/eoseret/qaas_runs_test/gmz12.benchmarkcenter.megware.com/177-374-1600/CoMD/build/CoMD/CoMD/src-openmp/haloExchange.c:633

Conversion instructions

Detected expensive conversion instructions.

Details

MOVZX: 5 occurrences►
- /beegfs/hackathon/users/eoseret/qaas_runs_test/gmz12.benchmarkcenter.megware.com/177-374-1600/CoMD/build/CoMD/CoMD/src-openmp/haloExchange.c:633
- /beegfs/hackathon/users/eoseret/qaas_runs_test/gmz12.benchmarkcenter.megware.com/177-374-1600/CoMD/build/CoMD/CoMD/src-openmp/haloExchange.c:633
- /beegfs/hackathon/users/eoseret/qaas_runs_test/gmz12.benchmarkcenter.megware.com/177-374-1600/CoMD/build/CoMD/CoMD/src-openmp/haloExchange.c:633
- /beegfs/hackathon/users/eoseret/qaas_runs_test/gmz12.benchmarkcenter.megware.com/177-374-1600/CoMD/build/CoMD/CoMD/src-openmp/haloExchange.c:633
- /beegfs/hackathon/users/eoseret/qaas_runs_test/gmz12.benchmarkcenter.megware.com/177-374-1600/CoMD/build/CoMD/CoMD/src-openmp/haloExchange.c:633

Workaround

Avoid mixing data with different types. In particular, check if the type of constants is the same as array elements.

Type of elements and instruction set

No instructions are processing arithmetic or math operations on FP elements. This function is probably writing/copying data or processing integer elements.

Matching between your function (in the source code) and the binary function

The binary function does not contain any FP arithmetical operations. The binary function is loading 906 bytes. The binary function is storing 63 bytes.

General properties

nb instructions	203
nb uops	204
loop length	921
used x86 registers	16
used mmx registers	0
used xmm registers	0
used ymm registers	1
used zmm registers	11
nb stack references	12

Front-end

MACRO FUSION NOT POSSIBLE FIT IN UOP CACHE

micro-operation queue	25.50 cycles
front end	25.50 cycles

Back-end

	P0	P1	P2	P3	P4	P5	P6	P7	P8	P9	P10	P11	P12	P13	P14	P15
uops	22.33	22.33	22.33	22.33	22.33	22.33	15.75	15.75	15.75	15.75	0.00	0.00	0.00	0.00	0.00	0.00
cycles	22.33	22.33	22.33	22.33	22.33	22.33	15.75	15.75	15.75	15.75	0.00	0.00	0.00	0.00	0.00	0.00

Execution ports to units layout:

P0: ALU
P1: ALU
P2: ALU
P3: ALU, BRU
P4: ALU, BRU
P5: ALU, BRU
P6 (512 bits): store address, load
P7 (512 bits): store address, load
P8 (512 bits): store address, load
P9 (512 bits): store address, load
P10 (512 bits): VPU, DIV/SQRT
P11 (512 bits): VPU, DIV/SQRT
P12 (512 bits): VPU
P13 (512 bits): VPU
P14 (512 bits): FP store data
P15 (512 bits): FP store data

Cycles executing div or sqrt instructions

Cycles summary

Front-end	25.50
Dispatch	22.33
Overall L1	25.50

Vectorization ratios

INT

all	3%
load	0%
store	0%
mul	NA (no mul vectorizable/vectorized instructions)
add-sub	0%
fma	NA (no fma vectorizable/vectorized instructions)
other	4%

all	100%
load	100%
store	NA (no store vectorizable/vectorized instructions)
mul	NA (no mul vectorizable/vectorized instructions)
add-sub	NA (no add-sub vectorizable/vectorized instructions)
fma	NA (no fma vectorizable/vectorized instructions)
div/sqrt	NA (no div/sqrt vectorizable/vectorized instructions)
other	NA (no other vectorizable/vectorized instructions)

INT+FP

all	29%
load	54%
store	0%
mul	NA (no mul vectorizable/vectorized instructions)
add-sub	0%
fma	NA (no fma vectorizable/vectorized instructions)
div/sqrt	NA (no div/sqrt vectorizable/vectorized instructions)
other	4%

Vector efficiency ratios

INT

all	12%
load	11%
store	12%
mul	NA (no mul vectorizable/vectorized instructions)
add-sub	12%
fma	NA (no fma vectorizable/vectorized instructions)
other	12%

all	95%
load	95%
store	NA (no store vectorizable/vectorized instructions)
mul	NA (no mul vectorizable/vectorized instructions)
add-sub	NA (no add-sub vectorizable/vectorized instructions)
fma	NA (no fma vectorizable/vectorized instructions)
div/sqrt	NA (no div/sqrt vectorizable/vectorized instructions)
other	NA (no other vectorizable/vectorized instructions)

INT+FP

all	35%
load	57%
store	12%
mul	NA (no mul vectorizable/vectorized instructions)
add-sub	12%
fma	NA (no fma vectorizable/vectorized instructions)
div/sqrt	NA (no div/sqrt vectorizable/vectorized instructions)
other	12%

Cycles and memory resources usage

Assuming all data fit into the L1 cache, each call to the function takes 25.50 cycles. At this rate:

13% of peak load performance is reached (35.53 out of 256.00 bytes loaded per cycle (GB/s @ 1GHz))
1% of peak store performance is reached (2.47 out of 128.00 bytes stored per cycle (GB/s @ 1GHz))

Front-end bottlenecks

Performance is limited by instruction throughput (loading/decoding program instructions to execution core) (front-end is a bottleneck). By removing all these bottlenecks, you can lower the cost of an iteration from 25.50 to 22.33 cycles (1.14x speedup).

ASM code

In the binary file, the address of the function is: 20c950

Instruction	Nb FU	P0	P1	P2	P3	P4	P5	P6	P7	P8	P9	Latency	Recip. throughput	Vectorization
PUSH %RBP	1	0	0	0	0	0	0	0	0	0	0	1	0.50	N/A
MOV %RSP,%RBP	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
PUSH %R15	1	0	0	0	0	0	0	0	0	0	0	1	0.50	N/A
PUSH %R14	1	0	0	0	0	0	0	0	0	0	0	1	0.50	N/A
PUSH %R13	1	0	0	0	0	0	0	0	0	0	0	1	0.50	N/A
PUSH %R12	1	0	0	0	0	0	0	0	0	0	0	1	0.50	N/A
PUSH %RBX	1	0	0	0	0	0	0	0	0	0	0	1	0.50	N/A
SUB $0x38,%RSP	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	scal (12.5%)
MOV 0x78(%RSI),%RAX	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.25	N/A
MOVSXD %EDX,%RCX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV %RSP,%R13	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
MOVSXD (%RAX,%RCX,4),%RAX	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.25	N/A
MOV %EAX,%ESI	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
IMUL $0x38,%RSI,%RCX	1	0.33	0.33	0.33	0	0	0	0	0	0	0	3	0.33	N/A
ADD $0xf,%RCX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
AND $-0x10,%RCX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
SUB %RCX,%R13	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV %R13,%RSP	1	0	0	0	0	0	0	0	0	0	0	0	0.17	scal (12.5%)
TEST %RAX,%RAX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	scal (12.5%)
JLE 20ca6e <sortAtomsInCell+0x11e>	1	0	0	0	0.33	0.33	0.33	0	0	0	0	0	0.33-1	N/A
MOV %RDI,%R14	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
SAL $0x6,%EDX	1	0	0	0	0.33	0.33	0.33	0	0	0	0	1	0.33	N/A
MOV 0x8(%RDI),%RCX	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.25	N/A
MOV 0x10(%RDI),%RDI	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.25	N/A
MOV 0x18(%R14),%R8	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.25	N/A
MOV 0x20(%R14),%R9	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.25	scal (12.5%)
ADD %EDX,%EAX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOVSXD %EDX,%R12	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV %R13,%RDX	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
MOVSXD %EAX,%R15	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	scal (6.3%)
LEA (%R12,%R12,1),%RAX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV %R12,%R10	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
LEA 0x4(%RAX,%RAX,2),%RAX	2	0	0	0.50	0.50	0	0	0.25	0.25	0.25	0.25	2	0.50	N/A
NOPL (%RAX)	0	0	0	0	0	0	0	0	0	0	0	0	0.13	N/A
LEA 0x594(%RIP),%RCX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV $0x38,%EDX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV %R13,%RDI	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
CALL 214740 <@plt_start@+0x1c0>	2	0	0	0	0.33	0.33	0.33	0.25	0.25	0.25	0.25	0	0.50	N/A
MOV 0x8(%R14),%RAX	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.25	N/A
MOV 0x10(%R14),%RCX	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.25	N/A
MOV 0x18(%R14),%RDX	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.25	N/A
MOV 0x20(%R14),%RSI	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.25	N/A
MOV %R12,%RBX	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
OR $0x1,%RBX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV %R15,%R9	1	0	0	0	0	0	0	0	0	0	0	0	0.17	scal (12.5%)
CMP %R15,%RBX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	scal (12.5%)
CMOVG %RBX,%R9	2	0.33	0.33	0.33	0.33	0.33	0.33	0	0	0	0	1	0.33	scal (12.5%)
MOV %R9,%RDI	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
SUB %R12,%RDI	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
CMP $0x3,%RDI	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	scal (12.5%)
JAE 20ca8a <sortAtomsInCell+0x13a>	1	0	0	0	0.33	0.33	0.33	0	0	0	0	0	0.33-1	N/A
XOR %R8D,%R8D	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
JMP 20cf20 <sortAtomsInCell+0x5d0>	1	0	0	0	0.33	0.33	0.33	0	0	0	0	0	0.50	N/A
LEA 0x54b(%RIP),%RCX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV $0x38,%EDX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV %R13,%RDI	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
MOV %RAX,%RSI	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
CALL 214740 <@plt_start@+0x1c0>	2	0	0	0	0.33	0.33	0.33	0.25	0.25	0.25	0.25	0	0.50	N/A
JMP 20cfa6 <sortAtomsInCell+0x656>	1	0	0	0	0.33	0.33	0.33	0	0	0	0	0	0.50	N/A
CMP %R15,%RBX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	scal (12.5%)
LEA (%RAX,%R12,4),%R8	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
CMOVLE %R15,%RBX	2	0.33	0.33	0.33	0.33	0.33	0.33	0	0	0	0	1	0.33	N/A
IMUL $0x38,%R12,%R10	1	0.33	0.33	0.33	0	0	0	0	0	0	0	3	0.33	N/A
MOV %R8,-0x40(%RBP)	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	4	0.50	scal (12.5%)
LEA (%RAX,%RBX,4),%R8	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV %R8,-0x48(%RBP)	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	4	0.50	scal (12.5%)
LEA (%RCX,%R12,4),%R8	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV %R8,-0x50(%RBP)	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	4	0.50	scal (12.5%)
LEA (%RCX,%RBX,4),%R8	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV %R8,-0x38(%RBP)	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	4	0.50	scal (12.5%)
IMUL $0x38,%RBX,%R8	1	0.33	0.33	0.33	0	0	0	0	0	0	0	3	0.33	N/A
SAL $0x3,%RBX	1	0	0	0	0.33	0.33	0.33	0	0	0	0	1	0.33	N/A
LEA (%RBX,%RBX,2),%RBX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
LEA (%RDX,%RBX,1),%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
SUB %R10,%R8	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
ADD %RSI,%RBX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
LEA (,%R12,8),%R10	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV %R11,-0x58(%RBP)	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	4	0.50	scal (12.5%)
MOV -0x40(%RBP),%R11	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.25	N/A
LEA -0x30(%R13,%R8,1),%R14	2	0	0	0.50	0.50	0	0	0.25	0.25	0.25	0.25	2	0.50	N/A
ADD %R13,%R8	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
CMP -0x38(%RBP),%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.25	scal (12.5%)
MOV -0x48(%RBP),%R11	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.25	N/A
LEA (%R10,%R10,2),%R10	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
SETBB -0x2a(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.50	N/A
CMP %R11,-0x50(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.25	scal (12.5%)
LEA (%RDX,%R10,1),%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
SETBB -0x29(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.50	N/A
CMP %R14,-0x40(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.25	scal (12.5%)
SETBB -0x2c(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.50	N/A
CMP -0x48(%RBP),%R13	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.25	scal (12.5%)
SETBB -0x2b(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.50	N/A
CMP %R14,-0x50(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.25	scal (12.5%)
LEA (%RSI,%R10,1),%R14	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
SETBB -0x2e(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.50	N/A
CMP -0x38(%RBP),%R13	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.25	scal (12.5%)
SETBB -0x2d(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.50	N/A
CMP %RBX,%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	scal (12.5%)
SETBB -0x48(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.50	N/A
CMP -0x58(%RBP),%R14	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.25	scal (12.5%)
SETBB -0x40(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.50	N/A
CMP %R8,%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	scal (12.5%)
LEA 0x8(%R13),%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
SETBB -0x38(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.50	N/A
CMP -0x58(%RBP),%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.25	scal (12.5%)
SETBB -0x50(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.50	N/A
CMP %R8,%R14	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	scal (12.5%)
SETB %R14B	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
CMP %RBX,%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	scal (12.5%)
SETB %R11B	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
XOR %R8D,%R8D	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
TEST %R11B,%R14B	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
JNE 20cf20 <sortAtomsInCell+0x5d0>	1	0	0	0	0.33	0.33	0.33	0	0	0	0	0	0.33-1	N/A
MOVZX -0x50(%RBP),%R11D	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.25	N/A
AND %R11B,-0x38(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.50	N/A
JNE 20cf20 <sortAtomsInCell+0x5d0>	1	0	0	0	0.33	0.33	0.33	0	0	0	0	0	0.33-1	N/A
MOVZX -0x40(%RBP),%R11D	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.25	N/A
AND %R11B,-0x48(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.50	N/A
JNE 20cf20 <sortAtomsInCell+0x5d0>	1	0	0	0	0.33	0.33	0.33	0	0	0	0	0	0.33-1	N/A
MOVZX -0x2d(%RBP),%R11D	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.25	N/A
AND %R11B,-0x2e(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.50	N/A
JNE 20cf20 <sortAtomsInCell+0x5d0>	1	0	0	0	0.33	0.33	0.33	0	0	0	0	0	0.33-1	N/A
MOVZX -0x2b(%RBP),%R11D	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.25	N/A
AND %R11B,-0x2c(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.50	N/A
JNE 20cf20 <sortAtomsInCell+0x5d0>	1	0	0	0	0.33	0.33	0.33	0	0	0	0	0	0.33-1	N/A
MOVZX -0x29(%RBP),%R11D	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.25	N/A
AND %R11B,-0x2a(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.50	N/A
JNE 20cf20 <sortAtomsInCell+0x5d0>	1	0	0	0	0.33	0.33	0.33	0	0	0	0	0	0.33-1	N/A
CMP $0x9,%RDI	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	scal (12.5%)
JAE 20cbb8 <sortAtomsInCell+0x268>	1	0	0	0	0.33	0.33	0.33	0	0	0	0	0	0.33-1	N/A
XOR %R8D,%R8D	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
JMP 20ce40 <sortAtomsInCell+0x4f0>	1	0	0	0	0.33	0.33	0.33	0	0	0	0	0	0.50	N/A
MOV %R9D,%R8D	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
AND $0x7,%R8D	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV $0x8,%EBX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV %R9,%R14	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
CMOVNE %R8,%RBX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV %RDI,%R8	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
MOV %RBX,%R11	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
SUB %RBX,%R8	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV %RBX,-0x38(%RBP)	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	4	0.50	scal (12.5%)
SUB %RBX,%R14	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
LEA 0x9ed6(%RIP),%RBX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV $-0x117f8,%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
VMOVAPD (%RBX,%R11,1),%ZMM0	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.50	vect (100.0%)
MOV $-0x117b8,%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
VMOVAPD (%RBX,%R11,1),%ZMM1	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.50	vect (100.0%)
MOV $-0x11778,%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
VMOVAPD (%RBX,%R11,1),%ZMM2	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.50	vect (100.0%)
MOV $-0x11738,%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
VMOVAPD (%RBX,%R11,1),%ZMM3	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.50	vect (100.0%)
MOV $-0x116f8,%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
VMOVAPD (%RBX,%R11,1),%ZMM4	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.50	vect (100.0%)
MOV $-0x116b8,%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
VMOVAPD (%RBX,%R11,1),%ZMM5	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.50	vect (100.0%)
MOV $-0x11678,%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
VMOVAPD (%RBX,%R11,1),%ZMM6	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.50	vect (100.0%)
MOV $-0x11638,%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
VMOVAPD (%RBX,%R11,1),%ZMM7	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.50	vect (100.0%)
MOV $-0x115f8,%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
VMOVAPD (%RBX,%R11,1),%ZMM8	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.50	vect (100.0%)
MOV $-0x115b8,%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
VMOVAPD (%RBX,%R11,1),%ZMM9	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.50	vect (100.0%)
MOV $-0x11578,%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
VMOVAPD (%RBX,%R11,1),%ZMM10	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.50	vect (100.0%)
MOV %R12,%R11	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
MOV %R13,%RBX	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
NOPW %CS:(%RAX,%RAX,1)	0	0	0	0	0	0	0	0	0	0	0	0	0.13	N/A
CMPL $0x2,-0x38(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.25	scal (6.3%)
JA 20ce40 <sortAtomsInCell+0x4f0>	1	0	0	0	0.33	0.33	0.33	0	0	0	0	0	0.33-1	N/A
ADD %R8,%R12	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
JMP 20cf20 <sortAtomsInCell+0x5d0>	1	0	0	0	0.33	0.33	0.33	0	0	0	0	0	0.50	N/A
LEA 0x9c71(%RIP),%R14	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV $-0x11878,%RBX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
AND $0x1,%R9D	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	scal (6.3%)
MOV $0x2,%R10D	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
CMOVNE %R9,%R10	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
VMOVAPD (%R14,%RBX,1),%YMM0	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.50	vect (50.0%)
SUB %R10,%RDI	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
IMUL $0x38,%R8,%R10	1	0.33	0.33	0.33	0	0	0	0	0	0	0	3	0.33	N/A
ADD %R12,%R8	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
LEA (,%R8,8),%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
LEA (%RDI,%R12,1),%R9	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
LEA (%R11,%R11,2),%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
ADD %R13,%R10	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
NOPW %CS:(%RAX,%RAX,1)	0	0	0	0	0	0	0	0	0	0	0	0	0.13	N/A
MOV %R9,%R12	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
MOV %RDI,%R8	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
LEA (%R12,%R12,2),%RDI	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
IMUL $0x38,%R8,%R8	1	0.33	0.33	0.33	0	0	0	0	0	0	0	3	0.33	N/A
LEA 0x10(,%RDI,8),%RDI	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
ADD %R8,%R13	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
NOPW %CS:(%RAX,%RAX,1)	0	0	0	0	0	0	0	0	0	0	0	0	0.13	N/A
LEA -0x28(%RBP),%RSP	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
POP %RBX	1	0	0	0	0	0	0	0	0	0	0	1	0.25	N/A
POP %R12	1	0	0	0	0	0	0	0	0	0	0	1	0.25	N/A
POP %R13	1	0	0	0	0	0	0	0	0	0	0	1	0.25	N/A
POP %R14	1	0	0	0	0	0	0	0	0	0	0	1	0.25	N/A
POP %R15	1	0	0	0	0	0	0	0	0	0	0	1	0.25	N/A
POP %RBP	1	0	0	0	0	0	0	0	0	0	0	1	0.25	N/A
VZEROUPPER	1	0	0	0	0	0	0	0	0	0	0	0	1	vect (25.0%)
RET	1	0	0	0	0.33	0.33	0.33	0	0	0	0	1	0.50	N/A
NOPL (%RAX,%RAX,1)	0	0	0	0	0	0	0	0	0	0	0	0	0.13	N/A

The code analyzed by CQA in that panel excludes loops and represents 0.04% of application time for run aocc_2

Source file and lines	haloExchange.c:614-645
Module	exec

gain
potential
hint
expert

Code clean check

Detected a slowdown caused by scalar integer instructions (typically used for address computation). By removing them, you can lower the cost of an iteration from 25.50 to 5.50 cycles (4.64x speedup).

Workaround

Try to reorganize arrays of structures to structures of arrays
Consider to permute loops (see vectorization gain report)

Vectorization

Details

Workaround

Try another compiler or update/tune your current one
Make array accesses unit-stride:
- If your function streams arrays of structures (AoS), try to use structures of arrays instead (SoA): for(i) a[i].x = b[i].x; (slow, non stride 1) => for(i) a.x[i] = b.x[i]; (fast, stride 1)

Execution units bottlenecks

Found no such bottlenecks but see expert reports for more complex bottlenecks.

No data for this section

CALL instructions

Detected function call instructions.

Details

unknown: 2 occurrences►
- /beegfs/hackathon/users/eoseret/qaas_runs_test/gmz12.benchmarkcenter.megware.com/177-374-1600/CoMD/build/CoMD/CoMD/src-openmp/haloExchange.c:632
- /beegfs/hackathon/users/eoseret/qaas_runs_test/gmz12.benchmarkcenter.megware.com/177-374-1600/CoMD/build/CoMD/CoMD/src-openmp/haloExchange.c:632

Complex instructions

Detected COMPLEX INSTRUCTIONS.

Details

These instructions generate more than one micro-operation and only one of them can be decoded during a cycle and the extra micro-operations increase pressure on execution units.

CMOVG: 1 occurrences►
- /beegfs/hackathon/users/eoseret/qaas_runs_test/gmz12.benchmarkcenter.megware.com/177-374-1600/CoMD/build/CoMD/CoMD/src-openmp/haloExchange.c:633
CMOVLE: 1 occurrences►
- /beegfs/hackathon/users/eoseret/qaas_runs_test/gmz12.benchmarkcenter.megware.com/177-374-1600/CoMD/build/CoMD/CoMD/src-openmp/haloExchange.c:633
LEA: 2 occurrences►
- /beegfs/hackathon/users/eoseret/qaas_runs_test/gmz12.benchmarkcenter.megware.com/177-374-1600/CoMD/build/CoMD/CoMD/src-openmp/haloExchange.c:621
- /beegfs/hackathon/users/eoseret/qaas_runs_test/gmz12.benchmarkcenter.megware.com/177-374-1600/CoMD/build/CoMD/CoMD/src-openmp/haloExchange.c:633

Conversion instructions

Detected expensive conversion instructions.

Details

MOVZX: 5 occurrences►
- /beegfs/hackathon/users/eoseret/qaas_runs_test/gmz12.benchmarkcenter.megware.com/177-374-1600/CoMD/build/CoMD/CoMD/src-openmp/haloExchange.c:633
- /beegfs/hackathon/users/eoseret/qaas_runs_test/gmz12.benchmarkcenter.megware.com/177-374-1600/CoMD/build/CoMD/CoMD/src-openmp/haloExchange.c:633
- /beegfs/hackathon/users/eoseret/qaas_runs_test/gmz12.benchmarkcenter.megware.com/177-374-1600/CoMD/build/CoMD/CoMD/src-openmp/haloExchange.c:633
- /beegfs/hackathon/users/eoseret/qaas_runs_test/gmz12.benchmarkcenter.megware.com/177-374-1600/CoMD/build/CoMD/CoMD/src-openmp/haloExchange.c:633
- /beegfs/hackathon/users/eoseret/qaas_runs_test/gmz12.benchmarkcenter.megware.com/177-374-1600/CoMD/build/CoMD/CoMD/src-openmp/haloExchange.c:633

Workaround

Avoid mixing data with different types. In particular, check if the type of constants is the same as array elements.

Type of elements and instruction set

No instructions are processing arithmetic or math operations on FP elements. This function is probably writing/copying data or processing integer elements.

Matching between your function (in the source code) and the binary function

The binary function does not contain any FP arithmetical operations. The binary function is loading 906 bytes. The binary function is storing 63 bytes.

General properties

nb instructions	203
nb uops	204
loop length	921
used x86 registers	16
used mmx registers	0
used xmm registers	0
used ymm registers	1
used zmm registers	11
nb stack references	12

Front-end

MACRO FUSION NOT POSSIBLE FIT IN UOP CACHE

micro-operation queue	25.50 cycles
front end	25.50 cycles

Back-end

	P0	P1	P2	P3	P4	P5	P6	P7	P8	P9	P10	P11	P12	P13	P14	P15
uops	22.33	22.33	22.33	22.33	22.33	22.33	15.75	15.75	15.75	15.75	0.00	0.00	0.00	0.00	0.00	0.00
cycles	22.33	22.33	22.33	22.33	22.33	22.33	15.75	15.75	15.75	15.75	0.00	0.00	0.00	0.00	0.00	0.00

Execution ports to units layout:

P0: ALU
P1: ALU
P2: ALU
P3: ALU, BRU
P4: ALU, BRU
P5: ALU, BRU
P6 (512 bits): store address, load
P7 (512 bits): store address, load
P8 (512 bits): store address, load
P9 (512 bits): store address, load
P10 (512 bits): VPU, DIV/SQRT
P11 (512 bits): VPU, DIV/SQRT
P12 (512 bits): VPU
P13 (512 bits): VPU
P14 (512 bits): FP store data
P15 (512 bits): FP store data

Cycles executing div or sqrt instructions

Cycles summary

Front-end	25.50
Dispatch	22.33
Overall L1	25.50

Vectorization ratios

INT

all	3%
load	0%
store	0%
mul	NA (no mul vectorizable/vectorized instructions)
add-sub	0%
fma	NA (no fma vectorizable/vectorized instructions)
other	4%

all	100%
load	100%
store	NA (no store vectorizable/vectorized instructions)
mul	NA (no mul vectorizable/vectorized instructions)
add-sub	NA (no add-sub vectorizable/vectorized instructions)
fma	NA (no fma vectorizable/vectorized instructions)
div/sqrt	NA (no div/sqrt vectorizable/vectorized instructions)
other	NA (no other vectorizable/vectorized instructions)

INT+FP

all	29%
load	54%
store	0%
mul	NA (no mul vectorizable/vectorized instructions)
add-sub	0%
fma	NA (no fma vectorizable/vectorized instructions)
div/sqrt	NA (no div/sqrt vectorizable/vectorized instructions)
other	4%

Vector efficiency ratios

INT

all	12%
load	11%
store	12%
mul	NA (no mul vectorizable/vectorized instructions)
add-sub	12%
fma	NA (no fma vectorizable/vectorized instructions)
other	12%

all	95%
load	95%
store	NA (no store vectorizable/vectorized instructions)
mul	NA (no mul vectorizable/vectorized instructions)
add-sub	NA (no add-sub vectorizable/vectorized instructions)
fma	NA (no fma vectorizable/vectorized instructions)
div/sqrt	NA (no div/sqrt vectorizable/vectorized instructions)
other	NA (no other vectorizable/vectorized instructions)

INT+FP

all	35%
load	57%
store	12%
mul	NA (no mul vectorizable/vectorized instructions)
add-sub	12%
fma	NA (no fma vectorizable/vectorized instructions)
div/sqrt	NA (no div/sqrt vectorizable/vectorized instructions)
other	12%

Cycles and memory resources usage

Assuming all data fit into the L1 cache, each call to the function takes 25.50 cycles. At this rate:

13% of peak load performance is reached (35.53 out of 256.00 bytes loaded per cycle (GB/s @ 1GHz))
1% of peak store performance is reached (2.47 out of 128.00 bytes stored per cycle (GB/s @ 1GHz))

Front-end bottlenecks

ASM code

In the binary file, the address of the function is: 20c950

Instruction	Nb FU	P0	P1	P2	P3	P4	P5	P6	P7	P8	P9	Latency	Recip. throughput	Vectorization
PUSH %RBP	1	0	0	0	0	0	0	0	0	0	0	1	0.50	N/A
MOV %RSP,%RBP	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
PUSH %R15	1	0	0	0	0	0	0	0	0	0	0	1	0.50	N/A
PUSH %R14	1	0	0	0	0	0	0	0	0	0	0	1	0.50	N/A
PUSH %R13	1	0	0	0	0	0	0	0	0	0	0	1	0.50	N/A
PUSH %R12	1	0	0	0	0	0	0	0	0	0	0	1	0.50	N/A
PUSH %RBX	1	0	0	0	0	0	0	0	0	0	0	1	0.50	N/A
SUB $0x38,%RSP	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	scal (12.5%)
MOV 0x78(%RSI),%RAX	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.25	N/A
MOVSXD %EDX,%RCX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV %RSP,%R13	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
MOVSXD (%RAX,%RCX,4),%RAX	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.25	N/A
MOV %EAX,%ESI	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
IMUL $0x38,%RSI,%RCX	1	0.33	0.33	0.33	0	0	0	0	0	0	0	3	0.33	N/A
ADD $0xf,%RCX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
AND $-0x10,%RCX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
SUB %RCX,%R13	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV %R13,%RSP	1	0	0	0	0	0	0	0	0	0	0	0	0.17	scal (12.5%)
TEST %RAX,%RAX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	scal (12.5%)
JLE 20ca6e <sortAtomsInCell+0x11e>	1	0	0	0	0.33	0.33	0.33	0	0	0	0	0	0.33-1	N/A
MOV %RDI,%R14	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
SAL $0x6,%EDX	1	0	0	0	0.33	0.33	0.33	0	0	0	0	1	0.33	N/A
MOV 0x8(%RDI),%RCX	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.25	N/A
MOV 0x10(%RDI),%RDI	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.25	N/A
MOV 0x18(%R14),%R8	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.25	N/A
MOV 0x20(%R14),%R9	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.25	scal (12.5%)
ADD %EDX,%EAX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOVSXD %EDX,%R12	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV %R13,%RDX	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
MOVSXD %EAX,%R15	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	scal (6.3%)
LEA (%R12,%R12,1),%RAX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV %R12,%R10	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
LEA 0x4(%RAX,%RAX,2),%RAX	2	0	0	0.50	0.50	0	0	0.25	0.25	0.25	0.25	2	0.50	N/A
NOPL (%RAX)	0	0	0	0	0	0	0	0	0	0	0	0	0.13	N/A
LEA 0x594(%RIP),%RCX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV $0x38,%EDX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV %R13,%RDI	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
CALL 214740 <@plt_start@+0x1c0>	2	0	0	0	0.33	0.33	0.33	0.25	0.25	0.25	0.25	0	0.50	N/A
MOV 0x8(%R14),%RAX	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.25	N/A
MOV 0x10(%R14),%RCX	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.25	N/A
MOV 0x18(%R14),%RDX	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.25	N/A
MOV 0x20(%R14),%RSI	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.25	N/A
MOV %R12,%RBX	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
OR $0x1,%RBX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV %R15,%R9	1	0	0	0	0	0	0	0	0	0	0	0	0.17	scal (12.5%)
CMP %R15,%RBX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	scal (12.5%)
CMOVG %RBX,%R9	2	0.33	0.33	0.33	0.33	0.33	0.33	0	0	0	0	1	0.33	scal (12.5%)
MOV %R9,%RDI	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
SUB %R12,%RDI	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
CMP $0x3,%RDI	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	scal (12.5%)
JAE 20ca8a <sortAtomsInCell+0x13a>	1	0	0	0	0.33	0.33	0.33	0	0	0	0	0	0.33-1	N/A
XOR %R8D,%R8D	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
JMP 20cf20 <sortAtomsInCell+0x5d0>	1	0	0	0	0.33	0.33	0.33	0	0	0	0	0	0.50	N/A
LEA 0x54b(%RIP),%RCX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV $0x38,%EDX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV %R13,%RDI	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
MOV %RAX,%RSI	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
CALL 214740 <@plt_start@+0x1c0>	2	0	0	0	0.33	0.33	0.33	0.25	0.25	0.25	0.25	0	0.50	N/A
JMP 20cfa6 <sortAtomsInCell+0x656>	1	0	0	0	0.33	0.33	0.33	0	0	0	0	0	0.50	N/A
CMP %R15,%RBX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	scal (12.5%)
LEA (%RAX,%R12,4),%R8	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
CMOVLE %R15,%RBX	2	0.33	0.33	0.33	0.33	0.33	0.33	0	0	0	0	1	0.33	N/A
IMUL $0x38,%R12,%R10	1	0.33	0.33	0.33	0	0	0	0	0	0	0	3	0.33	N/A
MOV %R8,-0x40(%RBP)	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	4	0.50	scal (12.5%)
LEA (%RAX,%RBX,4),%R8	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV %R8,-0x48(%RBP)	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	4	0.50	scal (12.5%)
LEA (%RCX,%R12,4),%R8	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV %R8,-0x50(%RBP)	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	4	0.50	scal (12.5%)
LEA (%RCX,%RBX,4),%R8	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV %R8,-0x38(%RBP)	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	4	0.50	scal (12.5%)
IMUL $0x38,%RBX,%R8	1	0.33	0.33	0.33	0	0	0	0	0	0	0	3	0.33	N/A
SAL $0x3,%RBX	1	0	0	0	0.33	0.33	0.33	0	0	0	0	1	0.33	N/A
LEA (%RBX,%RBX,2),%RBX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
LEA (%RDX,%RBX,1),%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
SUB %R10,%R8	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
ADD %RSI,%RBX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
LEA (,%R12,8),%R10	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV %R11,-0x58(%RBP)	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	4	0.50	scal (12.5%)
MOV -0x40(%RBP),%R11	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.25	N/A
LEA -0x30(%R13,%R8,1),%R14	2	0	0	0.50	0.50	0	0	0.25	0.25	0.25	0.25	2	0.50	N/A
ADD %R13,%R8	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
CMP -0x38(%RBP),%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.25	scal (12.5%)
MOV -0x48(%RBP),%R11	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.25	N/A
LEA (%R10,%R10,2),%R10	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
SETBB -0x2a(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.50	N/A
CMP %R11,-0x50(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.25	scal (12.5%)
LEA (%RDX,%R10,1),%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
SETBB -0x29(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.50	N/A
CMP %R14,-0x40(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.25	scal (12.5%)
SETBB -0x2c(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.50	N/A
CMP -0x48(%RBP),%R13	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.25	scal (12.5%)
SETBB -0x2b(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.50	N/A
CMP %R14,-0x50(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.25	scal (12.5%)
LEA (%RSI,%R10,1),%R14	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
SETBB -0x2e(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.50	N/A
CMP -0x38(%RBP),%R13	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.25	scal (12.5%)
SETBB -0x2d(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.50	N/A
CMP %RBX,%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	scal (12.5%)
SETBB -0x48(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.50	N/A
CMP -0x58(%RBP),%R14	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.25	scal (12.5%)
SETBB -0x40(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.50	N/A
CMP %R8,%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	scal (12.5%)
LEA 0x8(%R13),%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
SETBB -0x38(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.50	N/A
CMP -0x58(%RBP),%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.25	scal (12.5%)
SETBB -0x50(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.50	N/A
CMP %R8,%R14	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	scal (12.5%)
SETB %R14B	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
CMP %RBX,%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	scal (12.5%)
SETB %R11B	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
XOR %R8D,%R8D	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
TEST %R11B,%R14B	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
JNE 20cf20 <sortAtomsInCell+0x5d0>	1	0	0	0	0.33	0.33	0.33	0	0	0	0	0	0.33-1	N/A
MOVZX -0x50(%RBP),%R11D	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.25	N/A
AND %R11B,-0x38(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.50	N/A
JNE 20cf20 <sortAtomsInCell+0x5d0>	1	0	0	0	0.33	0.33	0.33	0	0	0	0	0	0.33-1	N/A
MOVZX -0x40(%RBP),%R11D	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.25	N/A
AND %R11B,-0x48(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.50	N/A
JNE 20cf20 <sortAtomsInCell+0x5d0>	1	0	0	0	0.33	0.33	0.33	0	0	0	0	0	0.33-1	N/A
MOVZX -0x2d(%RBP),%R11D	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.25	N/A
AND %R11B,-0x2e(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.50	N/A
JNE 20cf20 <sortAtomsInCell+0x5d0>	1	0	0	0	0.33	0.33	0.33	0	0	0	0	0	0.33-1	N/A
MOVZX -0x2b(%RBP),%R11D	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.25	N/A
AND %R11B,-0x2c(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.50	N/A
JNE 20cf20 <sortAtomsInCell+0x5d0>	1	0	0	0	0.33	0.33	0.33	0	0	0	0	0	0.33-1	N/A
MOVZX -0x29(%RBP),%R11D	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.25	N/A
AND %R11B,-0x2a(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.50	N/A
JNE 20cf20 <sortAtomsInCell+0x5d0>	1	0	0	0	0.33	0.33	0.33	0	0	0	0	0	0.33-1	N/A
CMP $0x9,%RDI	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	scal (12.5%)
JAE 20cbb8 <sortAtomsInCell+0x268>	1	0	0	0	0.33	0.33	0.33	0	0	0	0	0	0.33-1	N/A
XOR %R8D,%R8D	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
JMP 20ce40 <sortAtomsInCell+0x4f0>	1	0	0	0	0.33	0.33	0.33	0	0	0	0	0	0.50	N/A
MOV %R9D,%R8D	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
AND $0x7,%R8D	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV $0x8,%EBX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV %R9,%R14	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
CMOVNE %R8,%RBX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV %RDI,%R8	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
MOV %RBX,%R11	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
SUB %RBX,%R8	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV %RBX,-0x38(%RBP)	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	4	0.50	scal (12.5%)
SUB %RBX,%R14	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
LEA 0x9ed6(%RIP),%RBX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV $-0x117f8,%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
VMOVAPD (%RBX,%R11,1),%ZMM0	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.50	vect (100.0%)
MOV $-0x117b8,%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
VMOVAPD (%RBX,%R11,1),%ZMM1	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.50	vect (100.0%)
MOV $-0x11778,%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
VMOVAPD (%RBX,%R11,1),%ZMM2	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.50	vect (100.0%)
MOV $-0x11738,%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
VMOVAPD (%RBX,%R11,1),%ZMM3	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.50	vect (100.0%)
MOV $-0x116f8,%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
VMOVAPD (%RBX,%R11,1),%ZMM4	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.50	vect (100.0%)
MOV $-0x116b8,%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
VMOVAPD (%RBX,%R11,1),%ZMM5	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.50	vect (100.0%)
MOV $-0x11678,%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
VMOVAPD (%RBX,%R11,1),%ZMM6	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.50	vect (100.0%)
MOV $-0x11638,%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
VMOVAPD (%RBX,%R11,1),%ZMM7	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.50	vect (100.0%)
MOV $-0x115f8,%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
VMOVAPD (%RBX,%R11,1),%ZMM8	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.50	vect (100.0%)
MOV $-0x115b8,%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
VMOVAPD (%RBX,%R11,1),%ZMM9	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.50	vect (100.0%)
MOV $-0x11578,%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
VMOVAPD (%RBX,%R11,1),%ZMM10	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.50	vect (100.0%)
MOV %R12,%R11	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
MOV %R13,%RBX	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
NOPW %CS:(%RAX,%RAX,1)	0	0	0	0	0	0	0	0	0	0	0	0	0.13	N/A
CMPL $0x2,-0x38(%RBP)	1	0.17	0.17	0.17	0.17	0.17	0.17	0.25	0.25	0.25	0.25	1	0.25	scal (6.3%)
JA 20ce40 <sortAtomsInCell+0x4f0>	1	0	0	0	0.33	0.33	0.33	0	0	0	0	0	0.33-1	N/A
ADD %R8,%R12	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
JMP 20cf20 <sortAtomsInCell+0x5d0>	1	0	0	0	0.33	0.33	0.33	0	0	0	0	0	0.50	N/A
LEA 0x9c71(%RIP),%R14	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
MOV $-0x11878,%RBX	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
AND $0x1,%R9D	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	scal (6.3%)
MOV $0x2,%R10D	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
CMOVNE %R9,%R10	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
VMOVAPD (%R14,%RBX,1),%YMM0	1	0	0	0	0	0	0	0.25	0.25	0.25	0.25	3	0.50	vect (50.0%)
SUB %R10,%RDI	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
IMUL $0x38,%R8,%R10	1	0.33	0.33	0.33	0	0	0	0	0	0	0	3	0.33	N/A
ADD %R12,%R8	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
LEA (,%R8,8),%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
LEA (%RDI,%R12,1),%R9	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
LEA (%R11,%R11,2),%R11	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
ADD %R13,%R10	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
NOPW %CS:(%RAX,%RAX,1)	0	0	0	0	0	0	0	0	0	0	0	0	0.13	N/A
MOV %R9,%R12	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
MOV %RDI,%R8	1	0	0	0	0	0	0	0	0	0	0	0	0.17	N/A
LEA (%R12,%R12,2),%RDI	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
IMUL $0x38,%R8,%R8	1	0.33	0.33	0.33	0	0	0	0	0	0	0	3	0.33	N/A
LEA 0x10(,%RDI,8),%RDI	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
ADD %R8,%R13	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
NOPW %CS:(%RAX,%RAX,1)	0	0	0	0	0	0	0	0	0	0	0	0	0.13	N/A
LEA -0x28(%RBP),%RSP	1	0.17	0.17	0.17	0.17	0.17	0.17	0	0	0	0	1	0.17	N/A
POP %RBX	1	0	0	0	0	0	0	0	0	0	0	1	0.25	N/A
POP %R12	1	0	0	0	0	0	0	0	0	0	0	1	0.25	N/A
POP %R13	1	0	0	0	0	0	0	0	0	0	0	1	0.25	N/A
POP %R14	1	0	0	0	0	0	0	0	0	0	0	1	0.25	N/A
POP %R15	1	0	0	0	0	0	0	0	0	0	0	1	0.25	N/A
POP %RBP	1	0	0	0	0	0	0	0	0	0	0	1	0.25	N/A
VZEROUPPER	1	0	0	0	0	0	0	0	0	0	0	0	1	vect (25.0%)
RET	1	0	0	0	0.33	0.33	0.33	0	0	0	0	1	0.50	N/A
NOPL (%RAX,%RAX,1)	0	0	0	0	0	0	0	0	0	0	0	0	0.13	N/A

Name	Coverage (%)	Time (s)
▼sortAtomsInCell–	3.38	0.26
○Loop 59 - haloExchange.c:621-630 - exec	3.34	0.25
○Loop 61 - haloExchange.c:633-642 - exec	0.00	0.01
○Loop 62 - haloExchange.c:633-642 - exec	0.00	0.01
○Loop 60 - haloExchange.c:633-642 - exec	0.00	0.00

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Matching between your function (in the source code) and the binary function

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