Loop Id: 5958 | Module: exec | Source: vector.c:449-452 | Coverage: 0.76% |
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Loop Id: 5958 | Module: exec | Source: vector.c:449-452 | Coverage: 0.76% |
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0x5933b0 MOVUPD (%RDI,%R10,8),%XMM2 [1] |
0x5933b6 MULPD %XMM1,%XMM2 |
0x5933ba MOVUPD (%RSI,%R10,8),%XMM3 [2] |
0x5933c0 ADDPD %XMM2,%XMM3 |
0x5933c4 MOVUPD %XMM3,(%RSI,%R10,8) [2] |
0x5933ca ADD $0x2,%R10 |
0x5933ce CMP %R9,%R10 |
0x5933d1 JLE 5933b0 |
/beegfs/hackathon/users/eoseret/qaas_runs/170-859-5251/intel/AMG/build/AMG/AMG/seq_mv/vector.c: 449 - 452 |
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449: #pragma omp parallel for private(i) HYPRE_SMP_SCHEDULE |
450: #endif |
451: for (i = 0; i < size; i++) |
452: y_data[i] += alpha * x_data[i]; |
Path / |
Metric | Value |
---|---|
CQA speedup if no scalar integer | 1.00 |
CQA speedup if FP arith vectorized | 1.17 |
CQA speedup if fully vectorized | 2.80 |
CQA speedup if no inter-iteration dependency | NA |
CQA speedup if next bottleneck killed | 1.17 |
Bottlenecks | micro-operation queue, |
Function | hypre_SeqVectorAxpy.extracted |
Source | vector.c:449-452 |
Source loop unroll info | unrolled by 2 |
Source loop unroll confidence level | max |
Unroll/vectorization loop type | main |
Unroll factor | 2 |
CQA cycles | 1.17 |
CQA cycles if no scalar integer | 1.17 |
CQA cycles if FP arith vectorized | 1.00 |
CQA cycles if fully vectorized | 0.42 |
Front-end cycles | 1.17 |
DIV/SQRT cycles | 0.50 |
P0 cycles | 0.50 |
P1 cycles | 0.25 |
P2 cycles | 0.25 |
P3 cycles | 0.50 |
P4 cycles | 1.00 |
P5 cycles | 1.00 |
P6 cycles | 1.00 |
P7 cycles | 0.50 |
P8 cycles | 0.50 |
P9 cycles | 0.50 |
P10 cycles | 0.50 |
P11 cycles | 0.50 |
P12 cycles | 0.50 |
P13 cycles | 0.00 |
Inter-iter dependencies cycles | 1 |
FE+BE cycles (UFS) | NA |
Stall cycles (UFS) | NA |
Nb insns | 8.00 |
Nb uops | 7.00 |
Nb loads | 2.00 |
Nb stores | 1.00 |
Nb stack references | 0.00 |
FLOP/cycle | 3.43 |
Nb FLOP add-sub | 2.00 |
Nb FLOP mul | 2.00 |
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 | 41.14 |
Bytes prefetched | 0.00 |
Bytes loaded | 32.00 |
Bytes stored | 16.00 |
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 | 100.00 |
Vectorization ratio fma | NA |
Vectorization ratio div_sqrt | NA |
Vectorization ratio other | NA |
Vector-efficiency ratio all | 25.00 |
Vector-efficiency ratio load | 25.00 |
Vector-efficiency ratio store | 25.00 |
Vector-efficiency ratio mul | 25.00 |
Vector-efficiency ratio add_sub | 25.00 |
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 | 1.17 |
CQA speedup if fully vectorized | 2.80 |
CQA speedup if no inter-iteration dependency | NA |
CQA speedup if next bottleneck killed | 1.17 |
Bottlenecks | micro-operation queue, |
Function | hypre_SeqVectorAxpy.extracted |
Source | vector.c:449-452 |
Source loop unroll info | unrolled by 2 |
Source loop unroll confidence level | max |
Unroll/vectorization loop type | main |
Unroll factor | 2 |
CQA cycles | 1.17 |
CQA cycles if no scalar integer | 1.17 |
CQA cycles if FP arith vectorized | 1.00 |
CQA cycles if fully vectorized | 0.42 |
Front-end cycles | 1.17 |
DIV/SQRT cycles | 0.50 |
P0 cycles | 0.50 |
P1 cycles | 0.25 |
P2 cycles | 0.25 |
P3 cycles | 0.50 |
P4 cycles | 1.00 |
P5 cycles | 1.00 |
P6 cycles | 1.00 |
P7 cycles | 0.50 |
P8 cycles | 0.50 |
P9 cycles | 0.50 |
P10 cycles | 0.50 |
P11 cycles | 0.50 |
P12 cycles | 0.50 |
P13 cycles | 0.00 |
Inter-iter dependencies cycles | 1 |
FE+BE cycles (UFS) | NA |
Stall cycles (UFS) | NA |
Nb insns | 8.00 |
Nb uops | 7.00 |
Nb loads | 2.00 |
Nb stores | 1.00 |
Nb stack references | 0.00 |
FLOP/cycle | 3.43 |
Nb FLOP add-sub | 2.00 |
Nb FLOP mul | 2.00 |
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 | 41.14 |
Bytes prefetched | 0.00 |
Bytes loaded | 32.00 |
Bytes stored | 16.00 |
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 | 100.00 |
Vectorization ratio fma | NA |
Vectorization ratio div_sqrt | NA |
Vectorization ratio other | NA |
Vector-efficiency ratio all | 25.00 |
Vector-efficiency ratio load | 25.00 |
Vector-efficiency ratio store | 25.00 |
Vector-efficiency ratio mul | 25.00 |
Vector-efficiency ratio add_sub | 25.00 |
Vector-efficiency ratio fma | NA |
Vector-efficiency ratio div_sqrt | NA |
Vector-efficiency ratio other | NA |
Path / |
Function | hypre_SeqVectorAxpy.extracted |
Source file and lines | vector.c:449-452 |
Module | exec |
nb instructions | 8 |
nb uops | 7 |
loop length | 35 |
used x86 registers | 4 |
used mmx registers | 0 |
used xmm registers | 3 |
used ymm registers | 0 |
used zmm registers | 0 |
nb stack references | 0 |
ADD-SUB / MUL ratio | 1.00 |
micro-operation queue | 1.17 cycles |
front end | 1.17 cycles |
ALU0/BRU0 | ALU1 | ALU2 | ALU3 | BRU1 | AGU0 | AGU1 | AGU2 | FP0 | FP1 | FP2 | FP3 | FP4 | FP5 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
uops | 0.50 | 0.50 | 0.25 | 0.25 | 0.50 | 1.00 | 1.00 | 1.00 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 |
cycles | 0.50 | 0.50 | 0.25 | 0.25 | 0.50 | 1.00 | 1.00 | 1.00 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 |
Cycles executing div or sqrt instructions | NA |
Longest recurrence chain latency (RecMII) | 1.00 |
Front-end | 1.17 |
Dispatch | 1.00 |
Data deps. | 1.00 |
Overall L1 | 1.17 |
all | 100% |
load | 100% |
store | 100% |
mul | 100% |
add-sub | 100% |
fma | NA (no fma vectorizable/vectorized instructions) |
div/sqrt | NA (no div/sqrt vectorizable/vectorized instructions) |
other | NA (no other vectorizable/vectorized instructions) |
all | 25% |
load | 25% |
store | 25% |
mul | 25% |
add-sub | 25% |
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 | ALU0/BRU0 | ALU1 | ALU2 | ALU3 | BRU1 | AGU0 | AGU1 | AGU2 | FP0 | FP1 | FP2 | FP3 | FP4 | FP5 | Latency | Recip. throughput |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MOVUPD (%RDI,%R10,8),%XMM2 | 1 | 0 | 0 | 0 | 0 | 0 | 0.33 | 0.33 | 0.33 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0.50 |
MULPD %XMM1,%XMM2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 3 | 0.50 |
MOVUPD (%RSI,%R10,8),%XMM3 | 1 | 0 | 0 | 0 | 0 | 0 | 0.33 | 0.33 | 0.33 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0.50 |
ADDPD %XMM2,%XMM3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 3 | 0.50 |
MOVUPD %XMM3,(%RSI,%R10,8) | 1 | 0 | 0 | 0 | 0 | 0 | 0.33 | 0.33 | 0.33 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 4 | 1 |
ADD $0x2,%R10 | 1 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 |
CMP %R9,%R10 | 1 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 |
JLE 5933b0 <hypre_SeqVectorAxpy.extracted+0xe0> | 1 | 0.50 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.50-1 |
Function | hypre_SeqVectorAxpy.extracted |
Source file and lines | vector.c:449-452 |
Module | exec |
nb instructions | 8 |
nb uops | 7 |
loop length | 35 |
used x86 registers | 4 |
used mmx registers | 0 |
used xmm registers | 3 |
used ymm registers | 0 |
used zmm registers | 0 |
nb stack references | 0 |
ADD-SUB / MUL ratio | 1.00 |
micro-operation queue | 1.17 cycles |
front end | 1.17 cycles |
ALU0/BRU0 | ALU1 | ALU2 | ALU3 | BRU1 | AGU0 | AGU1 | AGU2 | FP0 | FP1 | FP2 | FP3 | FP4 | FP5 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
uops | 0.50 | 0.50 | 0.25 | 0.25 | 0.50 | 1.00 | 1.00 | 1.00 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 |
cycles | 0.50 | 0.50 | 0.25 | 0.25 | 0.50 | 1.00 | 1.00 | 1.00 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 |
Cycles executing div or sqrt instructions | NA |
Longest recurrence chain latency (RecMII) | 1.00 |
Front-end | 1.17 |
Dispatch | 1.00 |
Data deps. | 1.00 |
Overall L1 | 1.17 |
all | 100% |
load | 100% |
store | 100% |
mul | 100% |
add-sub | 100% |
fma | NA (no fma vectorizable/vectorized instructions) |
div/sqrt | NA (no div/sqrt vectorizable/vectorized instructions) |
other | NA (no other vectorizable/vectorized instructions) |
all | 25% |
load | 25% |
store | 25% |
mul | 25% |
add-sub | 25% |
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 | ALU0/BRU0 | ALU1 | ALU2 | ALU3 | BRU1 | AGU0 | AGU1 | AGU2 | FP0 | FP1 | FP2 | FP3 | FP4 | FP5 | Latency | Recip. throughput |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MOVUPD (%RDI,%R10,8),%XMM2 | 1 | 0 | 0 | 0 | 0 | 0 | 0.33 | 0.33 | 0.33 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0.50 |
MULPD %XMM1,%XMM2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 3 | 0.50 |
MOVUPD (%RSI,%R10,8),%XMM3 | 1 | 0 | 0 | 0 | 0 | 0 | 0.33 | 0.33 | 0.33 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0.50 |
ADDPD %XMM2,%XMM3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 3 | 0.50 |
MOVUPD %XMM3,(%RSI,%R10,8) | 1 | 0 | 0 | 0 | 0 | 0 | 0.33 | 0.33 | 0.33 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 4 | 1 |
ADD $0x2,%R10 | 1 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 |
CMP %R9,%R10 | 1 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 |
JLE 5933b0 <hypre_SeqVectorAxpy.extracted+0xe0> | 1 | 0.50 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.50-1 |