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 |