Loop Id: 4 | Module: exec | Source: stream.c:332-332 | Coverage: 18.58% |
---|
Loop Id: 4 | Module: exec | Source: stream.c:332-332 | Coverage: 18.58% |
---|
0x402941 VMULPD (%R11,%RCX,1),%ZMM0,%ZMM9 [1] |
0x402948 VMOVUPD %ZMM9,(%RSI,%RCX,1) [2] |
0x40294f VMULPD 0x40(%R11,%RCX,1),%ZMM0,%ZMM10 [1] |
0x402957 VMOVUPD %ZMM10,0x40(%RSI,%RCX,1) [2] |
0x40295f VMULPD 0x80(%R11,%RCX,1),%ZMM0,%ZMM11 [1] |
0x402967 VMOVUPD %ZMM11,0x80(%RSI,%RCX,1) [2] |
0x40296f VMULPD 0xc0(%R11,%RCX,1),%ZMM0,%ZMM12 [1] |
0x402977 VMOVUPD %ZMM12,0xc0(%RSI,%RCX,1) [2] |
0x40297f VMULPD 0x100(%R11,%RCX,1),%ZMM0,%ZMM13 [1] |
0x402987 VMOVUPD %ZMM13,0x100(%RSI,%RCX,1) [2] |
0x40298f VMULPD 0x140(%R11,%RCX,1),%ZMM0,%ZMM14 [1] |
0x402997 VMOVUPD %ZMM14,0x140(%RSI,%RCX,1) [2] |
0x40299f VMULPD 0x180(%R11,%RCX,1),%ZMM0,%ZMM15 [1] |
0x4029a7 VMOVUPD %ZMM15,0x180(%RSI,%RCX,1) [2] |
0x4029af VMULPD 0x1c0(%R11,%RCX,1),%ZMM0,%ZMM2 [1] |
0x4029b7 VMOVUPD %ZMM2,0x1c0(%RSI,%RCX,1) [2] |
0x4029bf ADD $0x200,%RCX |
0x4029c6 CMP %R12,%RCX |
0x4029c9 JNE 402941 |
/scratch_na/users/xoserete/qaas_runs/171-318-9587/intel/stream/build/stream/src/stream.c: 332 - 332 |
-------------------------------------------------------------------------------- |
332: b[j] = scalar*c[j]; |
Path / |
Metric | Value |
---|---|
CQA speedup if no scalar integer | 1.00 |
CQA speedup if FP arith vectorized | 1.00 |
CQA speedup if fully vectorized | 1.00 |
CQA speedup if no inter-iteration dependency | NA |
CQA speedup if next bottleneck killed | 1.08 |
Bottlenecks | micro-operation queue, |
Function | main._omp_fn.5 |
Source | stream.c:332-332 |
Source loop unroll info | not unrolled or unrolled with no peel/tail loop |
Source loop unroll confidence level | max |
Unroll/vectorization loop type | NA |
Unroll factor | NA |
CQA cycles | 4.33 |
CQA cycles if no scalar integer | 4.33 |
CQA cycles if FP arith vectorized | 4.33 |
CQA cycles if fully vectorized | 4.33 |
Front-end cycles | 4.33 |
DIV/SQRT cycles | 4.00 |
P0 cycles | 4.00 |
P1 cycles | 2.67 |
P2 cycles | 2.67 |
P3 cycles | 4.00 |
P4 cycles | 4.00 |
P5 cycles | 1.00 |
P6 cycles | 4.00 |
P7 cycles | 4.00 |
P8 cycles | 4.00 |
P9 cycles | 0.40 |
P10 cycles | 2.67 |
P11 cycles | 0.00 |
Inter-iter dependencies cycles | 1 |
FE+BE cycles (UFS) | 4.49 |
Stall cycles (UFS) | 0.00 |
Nb insns | 19.00 |
Nb uops | 18.00 |
Nb loads | 8.00 |
Nb stores | 8.00 |
Nb stack references | 0.00 |
FLOP/cycle | 14.77 |
Nb FLOP add-sub | 0.00 |
Nb FLOP mul | 64.00 |
Nb FLOP fma | 0.00 |
Nb FLOP div | 0.00 |
Nb FLOP rcp | 0.00 |
Nb FLOP sqrt | 0.00 |
Nb FLOP rsqrt | 0.00 |
Bytes/cycle | 236.31 |
Bytes prefetched | 0.00 |
Bytes loaded | 512.00 |
Bytes stored | 512.00 |
Stride 0 | 0.00 |
Stride 1 | 2.00 |
Stride n | 0.00 |
Stride unknown | 0.00 |
Stride indirect | 0.00 |
Vectorization ratio all | 100.00 |
Vectorization ratio load | 100.00 |
Vectorization ratio store | 100.00 |
Vectorization ratio mul | 100.00 |
Vectorization ratio add_sub | NA |
Vectorization ratio fma | NA |
Vectorization ratio div_sqrt | NA |
Vectorization ratio other | NA |
Vector-efficiency ratio all | 100.00 |
Vector-efficiency ratio load | 100.00 |
Vector-efficiency ratio store | 100.00 |
Vector-efficiency ratio mul | 100.00 |
Vector-efficiency ratio add_sub | NA |
Vector-efficiency ratio fma | NA |
Vector-efficiency ratio div_sqrt | NA |
Vector-efficiency ratio other | NA |
Metric | Value |
---|---|
CQA speedup if no scalar integer | 1.00 |
CQA speedup if FP arith vectorized | 1.00 |
CQA speedup if fully vectorized | 1.00 |
CQA speedup if no inter-iteration dependency | NA |
CQA speedup if next bottleneck killed | 1.08 |
Bottlenecks | micro-operation queue, |
Function | main._omp_fn.5 |
Source | stream.c:332-332 |
Source loop unroll info | not unrolled or unrolled with no peel/tail loop |
Source loop unroll confidence level | max |
Unroll/vectorization loop type | NA |
Unroll factor | NA |
CQA cycles | 4.33 |
CQA cycles if no scalar integer | 4.33 |
CQA cycles if FP arith vectorized | 4.33 |
CQA cycles if fully vectorized | 4.33 |
Front-end cycles | 4.33 |
DIV/SQRT cycles | 4.00 |
P0 cycles | 4.00 |
P1 cycles | 2.67 |
P2 cycles | 2.67 |
P3 cycles | 4.00 |
P4 cycles | 4.00 |
P5 cycles | 1.00 |
P6 cycles | 4.00 |
P7 cycles | 4.00 |
P8 cycles | 4.00 |
P9 cycles | 0.40 |
P10 cycles | 2.67 |
P11 cycles | 0.00 |
Inter-iter dependencies cycles | 1 |
FE+BE cycles (UFS) | 4.49 |
Stall cycles (UFS) | 0.00 |
Nb insns | 19.00 |
Nb uops | 18.00 |
Nb loads | 8.00 |
Nb stores | 8.00 |
Nb stack references | 0.00 |
FLOP/cycle | 14.77 |
Nb FLOP add-sub | 0.00 |
Nb FLOP mul | 64.00 |
Nb FLOP fma | 0.00 |
Nb FLOP div | 0.00 |
Nb FLOP rcp | 0.00 |
Nb FLOP sqrt | 0.00 |
Nb FLOP rsqrt | 0.00 |
Bytes/cycle | 236.31 |
Bytes prefetched | 0.00 |
Bytes loaded | 512.00 |
Bytes stored | 512.00 |
Stride 0 | 0.00 |
Stride 1 | 2.00 |
Stride n | 0.00 |
Stride unknown | 0.00 |
Stride indirect | 0.00 |
Vectorization ratio all | 100.00 |
Vectorization ratio load | 100.00 |
Vectorization ratio store | 100.00 |
Vectorization ratio mul | 100.00 |
Vectorization ratio add_sub | NA |
Vectorization ratio fma | NA |
Vectorization ratio div_sqrt | NA |
Vectorization ratio other | NA |
Vector-efficiency ratio all | 100.00 |
Vector-efficiency ratio load | 100.00 |
Vector-efficiency ratio store | 100.00 |
Vector-efficiency ratio mul | 100.00 |
Vector-efficiency ratio add_sub | NA |
Vector-efficiency ratio fma | NA |
Vector-efficiency ratio div_sqrt | NA |
Vector-efficiency ratio other | NA |
Path / |
Function | main._omp_fn.5 |
Source file and lines | stream.c:332-332 |
Module | exec |
nb instructions | 19 |
nb uops | 18 |
loop length | 142 |
used x86 registers | 4 |
used mmx registers | 0 |
used xmm registers | 0 |
used ymm registers | 0 |
used zmm registers | 9 |
nb stack references | 0 |
micro-operation queue | 4.33 cycles |
front end | 4.33 cycles |
P0 | P1 | P2 | P3 | P4 | P5 | P6 | P7 | P8 | P9 | P10 | P11 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
uops | 4.00 | 0.60 | 2.67 | 2.67 | 4.00 | 4.00 | 1.00 | 4.00 | 4.00 | 4.00 | 0.40 | 2.67 |
cycles | 4.00 | 4.00 | 2.67 | 2.67 | 4.00 | 4.00 | 1.00 | 4.00 | 4.00 | 4.00 | 0.40 | 2.67 |
Cycles executing div or sqrt instructions | NA |
Longest recurrence chain latency (RecMII) | 1.00 |
FE+BE cycles | 4.49 |
Stall cycles | 0.00 |
Front-end | 4.33 |
Dispatch | 4.00 |
Data deps. | 1.00 |
Overall L1 | 4.33 |
all | 100% |
load | 100% |
store | 100% |
mul | 100% |
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) |
all | 100% |
load | 100% |
store | 100% |
mul | 100% |
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) |
Instruction | Nb FU | P0 | P1 | P2 | P3 | P4 | P5 | P6 | P7 | P8 | P9 | P10 | P11 | Latency | Recip. throughput |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
VMULPD (%R11,%RCX,1),%ZMM0,%ZMM9 | 1 | 0.50 | 0 | 0.33 | 0.33 | 0 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.33 | 4 | 0.50 |
VMOVUPD %ZMM9,(%RSI,%RCX,1) | 1 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0.50 | 0.50 | 0.50 | 0 | 0 | 0-1 | 1 |
VMULPD 0x40(%R11,%RCX,1),%ZMM0,%ZMM10 | 1 | 0.50 | 0 | 0.33 | 0.33 | 0 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.33 | 4 | 0.50 |
VMOVUPD %ZMM10,0x40(%RSI,%RCX,1) | 1 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0.50 | 0.50 | 0.50 | 0 | 0 | 0-1 | 1 |
VMULPD 0x80(%R11,%RCX,1),%ZMM0,%ZMM11 | 1 | 0.50 | 0 | 0.33 | 0.33 | 0 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.33 | 4 | 0.50 |
VMOVUPD %ZMM11,0x80(%RSI,%RCX,1) | 1 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0.50 | 0.50 | 0.50 | 0 | 0 | 0-1 | 1 |
VMULPD 0xc0(%R11,%RCX,1),%ZMM0,%ZMM12 | 1 | 0.50 | 0 | 0.33 | 0.33 | 0 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.33 | 4 | 0.50 |
VMOVUPD %ZMM12,0xc0(%RSI,%RCX,1) | 1 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0.50 | 0.50 | 0.50 | 0 | 0 | 0-1 | 1 |
VMULPD 0x100(%R11,%RCX,1),%ZMM0,%ZMM13 | 1 | 0.50 | 0 | 0.33 | 0.33 | 0 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.33 | 4 | 0.50 |
VMOVUPD %ZMM13,0x100(%RSI,%RCX,1) | 1 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0.50 | 0.50 | 0.50 | 0 | 0 | 0-1 | 1 |
VMULPD 0x140(%R11,%RCX,1),%ZMM0,%ZMM14 | 1 | 0.50 | 0 | 0.33 | 0.33 | 0 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.33 | 4 | 0.50 |
VMOVUPD %ZMM14,0x140(%RSI,%RCX,1) | 1 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0.50 | 0.50 | 0.50 | 0 | 0 | 0-1 | 1 |
VMULPD 0x180(%R11,%RCX,1),%ZMM0,%ZMM15 | 1 | 0.50 | 0 | 0.33 | 0.33 | 0 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.33 | 4 | 0.50 |
VMOVUPD %ZMM15,0x180(%RSI,%RCX,1) | 1 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0.50 | 0.50 | 0.50 | 0 | 0 | 0-1 | 1 |
VMULPD 0x1c0(%R11,%RCX,1),%ZMM0,%ZMM2 | 1 | 0.50 | 0 | 0.33 | 0.33 | 0 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.33 | 4 | 0.50 |
VMOVUPD %ZMM2,0x1c0(%RSI,%RCX,1) | 1 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0.50 | 0.50 | 0.50 | 0 | 0 | 0-1 | 1 |
ADD $0x200,%RCX | 1 | 0.20 | 0.20 | 0 | 0 | 0 | 0.20 | 0.20 | 0 | 0 | 0 | 0.20 | 0 | 1 | 0.20 |
CMP %R12,%RCX | 1 | 0.20 | 0.20 | 0 | 0 | 0 | 0.20 | 0.20 | 0 | 0 | 0 | 0.20 | 0 | 1 | 0.20 |
JNE 402941 <main._omp_fn.5+0x161> | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 |
Function | main._omp_fn.5 |
Source file and lines | stream.c:332-332 |
Module | exec |
nb instructions | 19 |
nb uops | 18 |
loop length | 142 |
used x86 registers | 4 |
used mmx registers | 0 |
used xmm registers | 0 |
used ymm registers | 0 |
used zmm registers | 9 |
nb stack references | 0 |
micro-operation queue | 4.33 cycles |
front end | 4.33 cycles |
P0 | P1 | P2 | P3 | P4 | P5 | P6 | P7 | P8 | P9 | P10 | P11 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
uops | 4.00 | 0.60 | 2.67 | 2.67 | 4.00 | 4.00 | 1.00 | 4.00 | 4.00 | 4.00 | 0.40 | 2.67 |
cycles | 4.00 | 4.00 | 2.67 | 2.67 | 4.00 | 4.00 | 1.00 | 4.00 | 4.00 | 4.00 | 0.40 | 2.67 |
Cycles executing div or sqrt instructions | NA |
Longest recurrence chain latency (RecMII) | 1.00 |
FE+BE cycles | 4.49 |
Stall cycles | 0.00 |
Front-end | 4.33 |
Dispatch | 4.00 |
Data deps. | 1.00 |
Overall L1 | 4.33 |
all | 100% |
load | 100% |
store | 100% |
mul | 100% |
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) |
all | 100% |
load | 100% |
store | 100% |
mul | 100% |
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) |
Instruction | Nb FU | P0 | P1 | P2 | P3 | P4 | P5 | P6 | P7 | P8 | P9 | P10 | P11 | Latency | Recip. throughput |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
VMULPD (%R11,%RCX,1),%ZMM0,%ZMM9 | 1 | 0.50 | 0 | 0.33 | 0.33 | 0 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.33 | 4 | 0.50 |
VMOVUPD %ZMM9,(%RSI,%RCX,1) | 1 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0.50 | 0.50 | 0.50 | 0 | 0 | 0-1 | 1 |
VMULPD 0x40(%R11,%RCX,1),%ZMM0,%ZMM10 | 1 | 0.50 | 0 | 0.33 | 0.33 | 0 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.33 | 4 | 0.50 |
VMOVUPD %ZMM10,0x40(%RSI,%RCX,1) | 1 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0.50 | 0.50 | 0.50 | 0 | 0 | 0-1 | 1 |
VMULPD 0x80(%R11,%RCX,1),%ZMM0,%ZMM11 | 1 | 0.50 | 0 | 0.33 | 0.33 | 0 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.33 | 4 | 0.50 |
VMOVUPD %ZMM11,0x80(%RSI,%RCX,1) | 1 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0.50 | 0.50 | 0.50 | 0 | 0 | 0-1 | 1 |
VMULPD 0xc0(%R11,%RCX,1),%ZMM0,%ZMM12 | 1 | 0.50 | 0 | 0.33 | 0.33 | 0 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.33 | 4 | 0.50 |
VMOVUPD %ZMM12,0xc0(%RSI,%RCX,1) | 1 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0.50 | 0.50 | 0.50 | 0 | 0 | 0-1 | 1 |
VMULPD 0x100(%R11,%RCX,1),%ZMM0,%ZMM13 | 1 | 0.50 | 0 | 0.33 | 0.33 | 0 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.33 | 4 | 0.50 |
VMOVUPD %ZMM13,0x100(%RSI,%RCX,1) | 1 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0.50 | 0.50 | 0.50 | 0 | 0 | 0-1 | 1 |
VMULPD 0x140(%R11,%RCX,1),%ZMM0,%ZMM14 | 1 | 0.50 | 0 | 0.33 | 0.33 | 0 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.33 | 4 | 0.50 |
VMOVUPD %ZMM14,0x140(%RSI,%RCX,1) | 1 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0.50 | 0.50 | 0.50 | 0 | 0 | 0-1 | 1 |
VMULPD 0x180(%R11,%RCX,1),%ZMM0,%ZMM15 | 1 | 0.50 | 0 | 0.33 | 0.33 | 0 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.33 | 4 | 0.50 |
VMOVUPD %ZMM15,0x180(%RSI,%RCX,1) | 1 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0.50 | 0.50 | 0.50 | 0 | 0 | 0-1 | 1 |
VMULPD 0x1c0(%R11,%RCX,1),%ZMM0,%ZMM2 | 1 | 0.50 | 0 | 0.33 | 0.33 | 0 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.33 | 4 | 0.50 |
VMOVUPD %ZMM2,0x1c0(%RSI,%RCX,1) | 1 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0.50 | 0.50 | 0.50 | 0 | 0 | 0-1 | 1 |
ADD $0x200,%RCX | 1 | 0.20 | 0.20 | 0 | 0 | 0 | 0.20 | 0.20 | 0 | 0 | 0 | 0.20 | 0 | 1 | 0.20 |
CMP %R12,%RCX | 1 | 0.20 | 0.20 | 0 | 0 | 0 | 0.20 | 0.20 | 0 | 0 | 0 | 0.20 | 0 | 1 | 0.20 |
JNE 402941 <main._omp_fn.5+0x161> | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 |