Loop Id: 734 | Module: exec | Source: update_halo_kernel.f90-pp.f90:649-650 | Coverage: 0.07% |
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Loop Id: 734 | Module: exec | Source: update_halo_kernel.f90-pp.f90:649-650 | Coverage: 0.07% |
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0x4358a8 LDR D0, [X0], #8 [1] |
0x4358ac SUBS X18, X18, #1 |
0x4358b0 FNEG D0, D0 |
0x4358b4 STR D0, [X17], #504 [2] |
0x4358b8 B.NE 4358a8 |
/home/hbollore/qaas-runs/170-307-1706/intel/CloverLeafFC/build/build/CMakeFiles/clover_leaf.dir/CloverLeaf_ref/kernels/update_halo_kernel.f90-pp.f90: 649 - 650 |
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649: ENDDO |
650: ENDDO |
Path / |
Metric | Value |
---|---|
CQA speedup if no scalar integer | 1.00 |
CQA speedup if FP arith vectorized | 1.00 |
CQA speedup if fully vectorized | 4.00 |
CQA speedup if no inter-iteration dependency | NA |
CQA speedup if next bottleneck killed | 1.20 |
Bottlenecks | |
Function | __nv_update_halo_kernel_module_update_halo_kernel__F1L93_1_ |
Source | update_halo_kernel.f90-pp.f90:649-650 |
Source loop unroll info | unrolled by 8 |
Source loop unroll confidence level | max |
Unroll/vectorization loop type | NA |
Unroll factor | 1 |
CQA cycles | 1.00 |
CQA cycles if no scalar integer | 1.00 |
CQA cycles if FP arith vectorized | 1.00 |
CQA cycles if fully vectorized | 0.25 |
Front-end cycles | 0.63 |
DIV/SQRT cycles | 0.50 |
P0 cycles | 0.50 |
P1 cycles | 0.50 |
P2 cycles | 0.50 |
P3 cycles | 0.50 |
P4 cycles | 0.50 |
P5 cycles | 0.50 |
P6 cycles | 0.50 |
P7 cycles | 0.50 |
P8 cycles | 0.50 |
P9 cycles | 0.83 |
P10 cycles | 0.50 |
P11 cycles | 0.67 |
P12 cycles | 0.00 |
P13 cycles | 0.00 |
P14 cycles | 0.00 |
Inter-iter dependencies cycles | 1 |
FE+BE cycles (UFS) | NA |
Stall cycles (UFS) | NA |
Nb insns | 5.00 |
Nb uops | 5.00 |
Nb loads | NA |
Nb stores | 1.00 |
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 | 16.00 |
Bytes prefetched | 0.00 |
Bytes loaded | 8.00 |
Bytes stored | 8.00 |
Stride 0 | NA |
Stride 1 | NA |
Stride n | NA |
Stride unknown | NA |
Stride indirect | NA |
Vectorization ratio all | 0.00 |
Vectorization ratio load | 0.00 |
Vectorization ratio store | 0.00 |
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 | 25.00 |
Vector-efficiency ratio load | 25.00 |
Vector-efficiency ratio store | 25.00 |
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 | 1.00 |
CQA speedup if fully vectorized | 4.00 |
CQA speedup if no inter-iteration dependency | NA |
CQA speedup if next bottleneck killed | 1.20 |
Bottlenecks | |
Function | __nv_update_halo_kernel_module_update_halo_kernel__F1L93_1_ |
Source | update_halo_kernel.f90-pp.f90:649-650 |
Source loop unroll info | unrolled by 8 |
Source loop unroll confidence level | max |
Unroll/vectorization loop type | NA |
Unroll factor | 1 |
CQA cycles | 1.00 |
CQA cycles if no scalar integer | 1.00 |
CQA cycles if FP arith vectorized | 1.00 |
CQA cycles if fully vectorized | 0.25 |
Front-end cycles | 0.63 |
DIV/SQRT cycles | 0.50 |
P0 cycles | 0.50 |
P1 cycles | 0.50 |
P2 cycles | 0.50 |
P3 cycles | 0.50 |
P4 cycles | 0.50 |
P5 cycles | 0.50 |
P6 cycles | 0.50 |
P7 cycles | 0.50 |
P8 cycles | 0.50 |
P9 cycles | 0.83 |
P10 cycles | 0.50 |
P11 cycles | 0.67 |
P12 cycles | 0.00 |
P13 cycles | 0.00 |
P14 cycles | 0.00 |
Inter-iter dependencies cycles | 1 |
FE+BE cycles (UFS) | NA |
Stall cycles (UFS) | NA |
Nb insns | 5.00 |
Nb uops | 5.00 |
Nb loads | NA |
Nb stores | 1.00 |
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 | 16.00 |
Bytes prefetched | 0.00 |
Bytes loaded | 8.00 |
Bytes stored | 8.00 |
Stride 0 | NA |
Stride 1 | NA |
Stride n | NA |
Stride unknown | NA |
Stride indirect | NA |
Vectorization ratio all | 0.00 |
Vectorization ratio load | 0.00 |
Vectorization ratio store | 0.00 |
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 | 25.00 |
Vector-efficiency ratio load | 25.00 |
Vector-efficiency ratio store | 25.00 |
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 | __nv_update_halo_kernel_module_update_halo_kernel__F1L93_1_ |
Source file and lines | update_halo_kernel.f90-pp.f90:649-650 |
Module | exec |
nb instructions | 5 |
loop length | 20 |
nb stack references | 0 |
front end | 0.63 cycles |
P0 | P1 | P2 | P3 | P4 | P5 | P6 | P7 | P8 | P9 | P10 | P11 | P12 | P13 | P14 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
uops | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.83 | 0.50 | 0.67 | 0.00 | 0.00 |
cycles | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.83 | 0.50 | 0.67 | 0.00 | 0.00 |
Cycles executing div or sqrt instructions | NA |
Longest recurrence chain latency (RecMII) | 1.00 |
Front-end | 0.63 |
Data deps. | 1.00 |
Overall L1 | 1.00 |
all | 0% |
load | 0% |
store | 0% |
mul | NA (no mul vectorizable/vectorized instructions) |
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 | P12 | P13 | P14 | Latency | Recip. throughput |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
LDR D0, [X0], #8 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0.33 | 0.33 | 0.33 | 0 | 0 | 6 | 0.33 |
SUBS X18, X18, #1 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.33 |
FNEG D0, D0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 2 | 0.25 |
STR D0, [X17], #504 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 2 | 0.50 |
B.NE 4358a8 <__nv_update_halo_kernel_module_update_halo_kernel__F1L93_1_+0x6d78> | 1 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.50 |
Function | __nv_update_halo_kernel_module_update_halo_kernel__F1L93_1_ |
Source file and lines | update_halo_kernel.f90-pp.f90:649-650 |
Module | exec |
nb instructions | 5 |
loop length | 20 |
nb stack references | 0 |
front end | 0.63 cycles |
P0 | P1 | P2 | P3 | P4 | P5 | P6 | P7 | P8 | P9 | P10 | P11 | P12 | P13 | P14 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
uops | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.83 | 0.50 | 0.67 | 0.00 | 0.00 |
cycles | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.83 | 0.50 | 0.67 | 0.00 | 0.00 |
Cycles executing div or sqrt instructions | NA |
Longest recurrence chain latency (RecMII) | 1.00 |
Front-end | 0.63 |
Data deps. | 1.00 |
Overall L1 | 1.00 |
all | 0% |
load | 0% |
store | 0% |
mul | NA (no mul vectorizable/vectorized instructions) |
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 | P12 | P13 | P14 | Latency | Recip. throughput |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
LDR D0, [X0], #8 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0.33 | 0.33 | 0.33 | 0 | 0 | 6 | 0.33 |
SUBS X18, X18, #1 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.33 |
FNEG D0, D0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 2 | 0.25 |
STR D0, [X17], #504 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 2 | 0.50 |
B.NE 4358a8 <__nv_update_halo_kernel_module_update_halo_kernel__F1L93_1_+0x6d78> | 1 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.50 |