| Loop Id: 3965 | Module: exec | Source: csr_matvec.c:612-612 | Coverage: 0.11% |
|---|
| Loop Id: 3965 | Module: exec | Source: csr_matvec.c:612-612 | Coverage: 0.11% |
|---|
0x4e94b0 DEC %RAX |
0x4e94b3 JNE 4e94b0 |
/home/kcamus/qaas_runs/169-443-9681/intel/AMG/build/AMG/AMG/seq_mv/csr_matvec.c: 612 - 612 |
-------------------------------------------------------------------------------- |
612: for (jj = A_i[i]; jj < A_i[i+1]; jj++) |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►87.50+ | hypre_ParCSRMatrixMatvecT | par_csr_matvec.c:432 | exec |
| ○ | hypre_BoomerAMGCycle | par_cycle.c:431 | exec |
| ○ | hypre_BoomerAMGSolve | par_amg_solve.c:272 | exec |
| ○ | hypre_PCGSolve | pcg.c:545 | exec |
| ○ | main | amg.c:419 | exec |
| ○ | __libc_init_first | libc.so.6 | |
| ►12.50+ | hypre_ParCSRMatrixMatvecT | par_csr_matvec.c:432 | exec |
| ○ | hypre_BoomerAMGCycle | par_cycle.c:431 | exec |
| ○ | hypre_BoomerAMGSolve | par_amg_solve.c:272 | exec |
| ○ | hypre_PCGSolve | pcg.c:424 | 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 | NA |
| CQA speedup if fully vectorized | NA |
| CQA speedup if no inter-iteration dependency | NA |
| CQA speedup if next bottleneck killed | 2.00 |
| Bottlenecks | |
| Function | hypre_CSRMatrixMatvecT |
| Source | csr_matvec.c:612-612 |
| Source loop unroll info | multi-versionned |
| Source loop unroll confidence level | NA |
| Unroll/vectorization loop type | NA |
| Unroll factor | NA |
| CQA cycles | 1.00 |
| CQA cycles if no scalar integer | 1.00 |
| CQA cycles if FP arith vectorized | NA |
| CQA cycles if fully vectorized | NA |
| Front-end cycles | 0.25 |
| DIV/SQRT cycles | 0.50 |
| P0 cycles | 0.00 |
| P1 cycles | 0.00 |
| P2 cycles | 0.00 |
| P3 cycles | 0.00 |
| P4 cycles | 0.00 |
| P5 cycles | 0.50 |
| P6 cycles | 0.00 |
| P7 cycles | 0.00 |
| Inter-iter dependencies cycles | 1 |
| FE+BE cycles (UFS) | 1.04 |
| Stall cycles (UFS) | 0.57 |
| Nb insns | 2.00 |
| Nb uops | 1.00 |
| Nb loads | 0.00 |
| Nb stores | 0.00 |
| Nb stack references | 0.00 |
| FLOP/cycle | 0.00 |
| Nb FLOP add-sub | 0.00 |
| Nb FLOP mul | 0.00 |
| 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 | 0.00 |
| Bytes prefetched | 0.00 |
| Bytes loaded | 0.00 |
| Bytes stored | 0.00 |
| Stride 0 | 0.00 |
| Stride 1 | 0.00 |
| Stride n | 0.00 |
| Stride unknown | 0.00 |
| Stride indirect | 0.00 |
| Vectorization ratio all | NA |
| Vectorization ratio load | NA |
| Vectorization ratio store | NA |
| Vectorization ratio mul | NA |
| Vectorization ratio add_sub | NA |
| Vectorization ratio fma | NA |
| Vectorization ratio div_sqrt | NA |
| Vectorization ratio other | NA |
| Vector-efficiency ratio all | NA |
| Vector-efficiency ratio load | NA |
| Vector-efficiency ratio store | NA |
| Vector-efficiency ratio mul | NA |
| 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 | NA |
| CQA speedup if fully vectorized | NA |
| CQA speedup if no inter-iteration dependency | NA |
| CQA speedup if next bottleneck killed | 2.00 |
| Bottlenecks | |
| Function | hypre_CSRMatrixMatvecT |
| Source | csr_matvec.c:612-612 |
| Source loop unroll info | multi-versionned |
| Source loop unroll confidence level | NA |
| Unroll/vectorization loop type | NA |
| Unroll factor | NA |
| CQA cycles | 1.00 |
| CQA cycles if no scalar integer | 1.00 |
| CQA cycles if FP arith vectorized | NA |
| CQA cycles if fully vectorized | NA |
| Front-end cycles | 0.25 |
| DIV/SQRT cycles | 0.50 |
| P0 cycles | 0.00 |
| P1 cycles | 0.00 |
| P2 cycles | 0.00 |
| P3 cycles | 0.00 |
| P4 cycles | 0.00 |
| P5 cycles | 0.50 |
| P6 cycles | 0.00 |
| P7 cycles | 0.00 |
| Inter-iter dependencies cycles | 1 |
| FE+BE cycles (UFS) | 1.04 |
| Stall cycles (UFS) | 0.57 |
| Nb insns | 2.00 |
| Nb uops | 1.00 |
| Nb loads | 0.00 |
| Nb stores | 0.00 |
| Nb stack references | 0.00 |
| FLOP/cycle | 0.00 |
| Nb FLOP add-sub | 0.00 |
| Nb FLOP mul | 0.00 |
| 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 | 0.00 |
| Bytes prefetched | 0.00 |
| Bytes loaded | 0.00 |
| Bytes stored | 0.00 |
| Stride 0 | 0.00 |
| Stride 1 | 0.00 |
| Stride n | 0.00 |
| Stride unknown | 0.00 |
| Stride indirect | 0.00 |
| Vectorization ratio all | NA |
| Vectorization ratio load | NA |
| Vectorization ratio store | NA |
| Vectorization ratio mul | NA |
| Vectorization ratio add_sub | NA |
| Vectorization ratio fma | NA |
| Vectorization ratio div_sqrt | NA |
| Vectorization ratio other | NA |
| Vector-efficiency ratio all | NA |
| Vector-efficiency ratio load | NA |
| Vector-efficiency ratio store | NA |
| Vector-efficiency ratio mul | NA |
| Vector-efficiency ratio add_sub | NA |
| Vector-efficiency ratio fma | NA |
| Vector-efficiency ratio div_sqrt | NA |
| Vector-efficiency ratio other | NA |
| Path / |
| Function | hypre_CSRMatrixMatvecT |
| Source file and lines | csr_matvec.c:612-612 |
| Module | exec |
| nb instructions | 2 |
| nb uops | 1 |
| loop length | 5 |
| used x86 registers | 1 |
| used mmx registers | 0 |
| used xmm registers | 0 |
| used ymm registers | 0 |
| used zmm registers | 0 |
| nb stack references | 0 |
| micro-operation queue | 0.25 cycles |
| front end | 0.25 cycles |
| P0 | P1 | P2 | P3 | P4 | P5 | P6 | P7 | |
|---|---|---|---|---|---|---|---|---|
| uops | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 |
| cycles | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 |
| Cycles executing div or sqrt instructions | NA |
| Longest recurrence chain latency (RecMII) | 1.00 |
| FE+BE cycles | 1.04 |
| Stall cycles | 0.57 |
| PRF_INT full (events) | 0.76 |
| Front-end | 0.25 |
| Dispatch | 0.50 |
| Data deps. | 1.00 |
| Overall L1 | 1.00 |
| Instruction | Nb FU | P0 | P1 | P2 | P3 | P4 | P5 | P6 | P7 | Latency | Recip. throughput |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DEC %RAX | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 |
| JNE 4e94b0 | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0.50-1 |
| Function | hypre_CSRMatrixMatvecT |
| Source file and lines | csr_matvec.c:612-612 |
| Module | exec |
| nb instructions | 2 |
| nb uops | 1 |
| loop length | 5 |
| used x86 registers | 1 |
| used mmx registers | 0 |
| used xmm registers | 0 |
| used ymm registers | 0 |
| used zmm registers | 0 |
| nb stack references | 0 |
| micro-operation queue | 0.25 cycles |
| front end | 0.25 cycles |
| P0 | P1 | P2 | P3 | P4 | P5 | P6 | P7 | |
|---|---|---|---|---|---|---|---|---|
| uops | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 |
| cycles | 0.50 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 |
| Cycles executing div or sqrt instructions | NA |
| Longest recurrence chain latency (RecMII) | 1.00 |
| FE+BE cycles | 1.04 |
| Stall cycles | 0.57 |
| PRF_INT full (events) | 0.76 |
| Front-end | 0.25 |
| Dispatch | 0.50 |
| Data deps. | 1.00 |
| Overall L1 | 1.00 |
| Instruction | Nb FU | P0 | P1 | P2 | P3 | P4 | P5 | P6 | P7 | Latency | Recip. throughput |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DEC %RAX | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 |
| JNE 4e94b0 | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0.50-1 |
