| Loop Id: 4074 | Module: exec | Source: vector.c:449-452 | Coverage: 0.71% |
|---|
| Loop Id: 4074 | Module: exec | Source: vector.c:449-452 | Coverage: 0.71% |
|---|
0x4eda80 VMOVUPD (%RDI,%RCX,8),%YMM1 [2] |
0x4eda85 VFMADD213PD (%RSI,%RCX,8),%YMM0,%YMM1 [1] |
0x4eda8b VMOVUPD %YMM1,(%RSI,%RCX,8) [1] |
0x4eda90 ADD $0x4,%RCX |
0x4eda94 CMP %RDX,%RCX |
0x4eda97 JLE 4eda80 |
/home/kcamus/qaas_runs/169-443-9681/intel/AMG/build/AMG/AMG/seq_mv/vector.c: 449 - 452 |
-------------------------------------------------------------------------------- |
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]; |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►37.04+ | __kmp_invoke_microtask | libiomp5.so | |
| ○ | __kmp_fork_call | libiomp5.so | |
| ○ | __kmpc_fork_call | libiomp5.so | |
| ○ | hypre_SeqVectorAxpy | vector.c:449 | exec |
| ○ | hypre_PCGSolve | pcg.c:526 | exec |
| ○ | main | amg.c:419 | exec |
| ○ | __libc_init_first | libc.so.6 | |
| ►33.33+ | __kmp_invoke_microtask | libiomp5.so | |
| ○ | __kmp_fork_call | libiomp5.so | |
| ○ | __kmpc_fork_call | libiomp5.so | |
| ○ | hypre_SeqVectorAxpy | vector.c:449 | exec |
| ○ | hypre_PCGSolve | pcg.c:511 | exec |
| ○ | main | amg.c:419 | exec |
| ○ | __libc_init_first | libc.so.6 | |
| ►29.63+ | __kmp_invoke_microtask | libiomp5.so | |
| ○ | __kmp_fork_call | libiomp5.so | |
| ○ | __kmpc_fork_call | libiomp5.so | |
| ○ | hypre_SeqVectorAxpy | vector.c:449 | exec |
| ○ | hypre_PCGSolve | pcg.c:709 | exec |
| ○ | main | amg.c:419 | exec |
| ○ | __libc_init_first | libc.so.6 |
| Path / |
| Metric | Value |
|---|---|
| CQA speedup if no scalar integer | 1.00 |
| CQA speedup if FP arith vectorized | 1.41 |
| CQA speedup if fully vectorized | 2.00 |
| CQA speedup if no inter-iteration dependency | NA |
| CQA speedup if next bottleneck killed | 1.50 |
| Bottlenecks | micro-operation queue, |
| Function | hypre_SeqVectorAxpy.extracted |
| Source | vector.c:449-452 |
| Source loop unroll info | unrolled by 4 |
| Source loop unroll confidence level | max |
| Unroll/vectorization loop type | main |
| Unroll factor | 4 |
| CQA cycles | 1.50 |
| CQA cycles if no scalar integer | 1.50 |
| CQA cycles if FP arith vectorized | 1.06 |
| CQA cycles if fully vectorized | 0.75 |
| Front-end cycles | 1.50 |
| DIV/SQRT cycles | 1.00 |
| P0 cycles | 0.75 |
| P1 cycles | 1.00 |
| P2 cycles | 1.00 |
| P3 cycles | 1.00 |
| P4 cycles | 0.75 |
| P5 cycles | 0.50 |
| P6 cycles | 1.00 |
| P7 cycles | 0.00 |
| Inter-iter dependencies cycles | 1 |
| FE+BE cycles (UFS) | 1.66 |
| Stall cycles (UFS) | 0.00 |
| Nb insns | 6.00 |
| Nb uops | 5.00 |
| Nb loads | 2.00 |
| Nb stores | 1.00 |
| Nb stack references | 0.00 |
| FLOP/cycle | 5.33 |
| Nb FLOP add-sub | 0.00 |
| Nb FLOP mul | 0.00 |
| Nb FLOP fma | 4.00 |
| Nb FLOP div | 0.00 |
| Nb FLOP rcp | 0.00 |
| Nb FLOP sqrt | 0.00 |
| Nb FLOP rsqrt | 0.00 |
| Bytes/cycle | 64.00 |
| Bytes prefetched | 0.00 |
| Bytes loaded | 64.00 |
| Bytes stored | 32.00 |
| 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 | NA |
| Vectorization ratio add_sub | NA |
| Vectorization ratio fma | 100.00 |
| Vectorization ratio div_sqrt | NA |
| Vectorization ratio other | NA |
| Vector-efficiency ratio all | 50.00 |
| Vector-efficiency ratio load | 50.00 |
| Vector-efficiency ratio store | 50.00 |
| Vector-efficiency ratio mul | NA |
| Vector-efficiency ratio add_sub | NA |
| Vector-efficiency ratio fma | 50.00 |
| 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 | 1.41 |
| CQA speedup if fully vectorized | 2.00 |
| CQA speedup if no inter-iteration dependency | NA |
| CQA speedup if next bottleneck killed | 1.50 |
| Bottlenecks | micro-operation queue, |
| Function | hypre_SeqVectorAxpy.extracted |
| Source | vector.c:449-452 |
| Source loop unroll info | unrolled by 4 |
| Source loop unroll confidence level | max |
| Unroll/vectorization loop type | main |
| Unroll factor | 4 |
| CQA cycles | 1.50 |
| CQA cycles if no scalar integer | 1.50 |
| CQA cycles if FP arith vectorized | 1.06 |
| CQA cycles if fully vectorized | 0.75 |
| Front-end cycles | 1.50 |
| DIV/SQRT cycles | 1.00 |
| P0 cycles | 0.75 |
| P1 cycles | 1.00 |
| P2 cycles | 1.00 |
| P3 cycles | 1.00 |
| P4 cycles | 0.75 |
| P5 cycles | 0.50 |
| P6 cycles | 1.00 |
| P7 cycles | 0.00 |
| Inter-iter dependencies cycles | 1 |
| FE+BE cycles (UFS) | 1.66 |
| Stall cycles (UFS) | 0.00 |
| Nb insns | 6.00 |
| Nb uops | 5.00 |
| Nb loads | 2.00 |
| Nb stores | 1.00 |
| Nb stack references | 0.00 |
| FLOP/cycle | 5.33 |
| Nb FLOP add-sub | 0.00 |
| Nb FLOP mul | 0.00 |
| Nb FLOP fma | 4.00 |
| Nb FLOP div | 0.00 |
| Nb FLOP rcp | 0.00 |
| Nb FLOP sqrt | 0.00 |
| Nb FLOP rsqrt | 0.00 |
| Bytes/cycle | 64.00 |
| Bytes prefetched | 0.00 |
| Bytes loaded | 64.00 |
| Bytes stored | 32.00 |
| 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 | NA |
| Vectorization ratio add_sub | NA |
| Vectorization ratio fma | 100.00 |
| Vectorization ratio div_sqrt | NA |
| Vectorization ratio other | NA |
| Vector-efficiency ratio all | 50.00 |
| Vector-efficiency ratio load | 50.00 |
| Vector-efficiency ratio store | 50.00 |
| Vector-efficiency ratio mul | NA |
| Vector-efficiency ratio add_sub | NA |
| Vector-efficiency ratio fma | 50.00 |
| 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 | 6 |
| nb uops | 5 |
| loop length | 25 |
| used x86 registers | 4 |
| used mmx registers | 0 |
| used xmm registers | 0 |
| used ymm registers | 2 |
| used zmm registers | 0 |
| nb stack references | 0 |
| micro-operation queue | 1.50 cycles |
| front end | 1.50 cycles |
| P0 | P1 | P2 | P3 | P4 | P5 | P6 | P7 | |
|---|---|---|---|---|---|---|---|---|
| uops | 1.00 | 0.75 | 1.00 | 1.00 | 1.00 | 0.75 | 0.50 | 1.00 |
| cycles | 1.00 | 0.75 | 1.00 | 1.00 | 1.00 | 0.75 | 0.50 | 1.00 |
| Cycles executing div or sqrt instructions | NA |
| Longest recurrence chain latency (RecMII) | 1.00 |
| FE+BE cycles | 1.66 |
| Stall cycles | 0.00 |
| Front-end | 1.50 |
| Dispatch | 1.00 |
| Data deps. | 1.00 |
| Overall L1 | 1.50 |
| all | 100% |
| load | 100% |
| store | 100% |
| mul | NA (no mul vectorizable/vectorized instructions) |
| add-sub | NA (no add-sub vectorizable/vectorized instructions) |
| fma | 100% |
| div/sqrt | NA (no div/sqrt vectorizable/vectorized instructions) |
| other | NA (no other vectorizable/vectorized instructions) |
| all | 50% |
| load | 50% |
| store | 50% |
| mul | NA (no mul vectorizable/vectorized instructions) |
| add-sub | NA (no add-sub vectorizable/vectorized instructions) |
| fma | 50% |
| 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 | Latency | Recip. throughput |
|---|---|---|---|---|---|---|---|---|---|---|---|
| VMOVUPD (%RDI,%RCX,8),%YMM1 | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 5-6 | 0.50 |
| VFMADD213PD (%RSI,%RCX,8),%YMM0,%YMM1 | 1 | 0.50 | 0.50 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 4 | 0.50 |
| VMOVUPD %YMM1,(%RSI,%RCX,8) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 |
| ADD $0x4,%RCX | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 |
| CMP %RDX,%RCX | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 |
| JLE 4eda80 | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0.50-1 |
| Function | hypre_SeqVectorAxpy.extracted |
| Source file and lines | vector.c:449-452 |
| Module | exec |
| nb instructions | 6 |
| nb uops | 5 |
| loop length | 25 |
| used x86 registers | 4 |
| used mmx registers | 0 |
| used xmm registers | 0 |
| used ymm registers | 2 |
| used zmm registers | 0 |
| nb stack references | 0 |
| micro-operation queue | 1.50 cycles |
| front end | 1.50 cycles |
| P0 | P1 | P2 | P3 | P4 | P5 | P6 | P7 | |
|---|---|---|---|---|---|---|---|---|
| uops | 1.00 | 0.75 | 1.00 | 1.00 | 1.00 | 0.75 | 0.50 | 1.00 |
| cycles | 1.00 | 0.75 | 1.00 | 1.00 | 1.00 | 0.75 | 0.50 | 1.00 |
| Cycles executing div or sqrt instructions | NA |
| Longest recurrence chain latency (RecMII) | 1.00 |
| FE+BE cycles | 1.66 |
| Stall cycles | 0.00 |
| Front-end | 1.50 |
| Dispatch | 1.00 |
| Data deps. | 1.00 |
| Overall L1 | 1.50 |
| all | 100% |
| load | 100% |
| store | 100% |
| mul | NA (no mul vectorizable/vectorized instructions) |
| add-sub | NA (no add-sub vectorizable/vectorized instructions) |
| fma | 100% |
| div/sqrt | NA (no div/sqrt vectorizable/vectorized instructions) |
| other | NA (no other vectorizable/vectorized instructions) |
| all | 50% |
| load | 50% |
| store | 50% |
| mul | NA (no mul vectorizable/vectorized instructions) |
| add-sub | NA (no add-sub vectorizable/vectorized instructions) |
| fma | 50% |
| 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 | Latency | Recip. throughput |
|---|---|---|---|---|---|---|---|---|---|---|---|
| VMOVUPD (%RDI,%RCX,8),%YMM1 | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 5-6 | 0.50 |
| VFMADD213PD (%RSI,%RCX,8),%YMM0,%YMM1 | 1 | 0.50 | 0.50 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 4 | 0.50 |
| VMOVUPD %YMM1,(%RSI,%RCX,8) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 |
| ADD $0x4,%RCX | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 |
| CMP %RDX,%RCX | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 |
| JLE 4eda80 | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0.50-1 |
