Loop Id: 3 | Module: exec | Source: amg.c:317-318 | Coverage: 0.03% |
---|
Loop Id: 3 | Module: exec | Source: amg.c:317-318 | Coverage: 0.03% |
---|
0x40fa20 ORR X4, XZR, X3 |
0x40fa24 STR Q0, [X4], #16 [3] |
0x40fa28 STR Q0, [X3, #16] [2] |
0x40fa2c STR Q0, [X4, #16] [3] |
0x40fa30 STP Q0, Q0, [X3, #48] [2] |
0x40fa34 STP Q0, Q0, [X3, #80] [2] |
0x40fa38 ADD X3, X3, #128 |
0x40fa3c STUR Q0, [X3, #496] [1] |
0x40fa40 CMP X16, X3 |
0x40fa44 B.NE 40fa20 |
/home/hbollore/qaas/qaas-runs/169-817-3176/intel/AMG/build/AMG/AMG/test/amg.c: 317 - 318 |
-------------------------------------------------------------------------------- |
317: for (i = 0; i < local_num_rows; i++) |
318: values[i] = 1.0; |
Coverage (%) | Name | Source Location | Module |
---|---|---|---|
►100.00+ | __libc_start_main | libc-2.31.so | |
○ | _start | amg.c:599 | exec |
Path / |
Metric | Value |
---|---|
CQA speedup if no scalar integer | 1.00 |
CQA speedup if FP arith vectorized | 1.00 |
CQA speedup if fully vectorized | 1.50 |
CQA speedup if no inter-iteration dependency | NA |
CQA speedup if next bottleneck killed | 2.40 |
Bottlenecks | P6, P7, P10, P11, |
Function | main |
Source | amg.c:317-318 |
Source loop unroll info | not unrolled or unrolled with no peel/tail loop |
Source loop unroll confidence level | max |
Unroll/vectorization loop type | NA |
Unroll factor | NA |
CQA cycles | 3.00 |
CQA cycles if no scalar integer | 3.00 |
CQA cycles if FP arith vectorized | 3.00 |
CQA cycles if fully vectorized | 2.00 |
Front-end cycles | 1.25 |
DIV/SQRT cycles | 0.50 |
P0 cycles | 0.50 |
P1 cycles | 0.75 |
P2 cycles | 0.75 |
P3 cycles | 0.75 |
P4 cycles | 0.75 |
P5 cycles | 3.00 |
P6 cycles | 3.00 |
P7 cycles | 0.00 |
P8 cycles | 0.00 |
P9 cycles | 3.00 |
P10 cycles | 3.00 |
P11 cycles | 0.00 |
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 | 10.00 |
Nb uops | 10.00 |
Nb loads | NA |
Nb stores | 6.00 |
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 | 42.67 |
Bytes prefetched | 0.00 |
Bytes loaded | 0.00 |
Bytes stored | 128.00 |
Stride 0 | NA |
Stride 1 | NA |
Stride n | NA |
Stride unknown | NA |
Stride indirect | NA |
Vectorization ratio all | 100.00 |
Vectorization ratio load | NA |
Vectorization ratio store | 100.00 |
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 | 66.67 |
Vector-efficiency ratio load | NA |
Vector-efficiency ratio store | 66.67 |
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 | 1.50 |
CQA speedup if no inter-iteration dependency | NA |
CQA speedup if next bottleneck killed | 2.40 |
Bottlenecks | P6, P7, P10, P11, |
Function | main |
Source | amg.c:317-318 |
Source loop unroll info | not unrolled or unrolled with no peel/tail loop |
Source loop unroll confidence level | max |
Unroll/vectorization loop type | NA |
Unroll factor | NA |
CQA cycles | 3.00 |
CQA cycles if no scalar integer | 3.00 |
CQA cycles if FP arith vectorized | 3.00 |
CQA cycles if fully vectorized | 2.00 |
Front-end cycles | 1.25 |
DIV/SQRT cycles | 0.50 |
P0 cycles | 0.50 |
P1 cycles | 0.75 |
P2 cycles | 0.75 |
P3 cycles | 0.75 |
P4 cycles | 0.75 |
P5 cycles | 3.00 |
P6 cycles | 3.00 |
P7 cycles | 0.00 |
P8 cycles | 0.00 |
P9 cycles | 3.00 |
P10 cycles | 3.00 |
P11 cycles | 0.00 |
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 | 10.00 |
Nb uops | 10.00 |
Nb loads | NA |
Nb stores | 6.00 |
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 | 42.67 |
Bytes prefetched | 0.00 |
Bytes loaded | 0.00 |
Bytes stored | 128.00 |
Stride 0 | NA |
Stride 1 | NA |
Stride n | NA |
Stride unknown | NA |
Stride indirect | NA |
Vectorization ratio all | 100.00 |
Vectorization ratio load | NA |
Vectorization ratio store | 100.00 |
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 | 66.67 |
Vector-efficiency ratio load | NA |
Vector-efficiency ratio store | 66.67 |
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 | main |
Source file and lines | amg.c:317-318 |
Module | exec |
nb instructions | 10 |
loop length | 40 |
nb stack references | 0 |
front end | 1.25 cycles |
P0 | P1 | P2 | P3 | P4 | P5 | P6 | P7 | P8 | P9 | P10 | P11 | P12 | P13 | P14 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
uops | 0.50 | 0.50 | 0.75 | 0.75 | 0.75 | 0.75 | 3.00 | 3.00 | 0.00 | 0.00 | 3.00 | 3.00 | 0.00 | 0.00 | 0.00 |
cycles | 0.50 | 0.50 | 0.75 | 0.75 | 0.75 | 0.75 | 3.00 | 3.00 | 0.00 | 0.00 | 3.00 | 3.00 | 0.00 | 0.00 | 0.00 |
Cycles executing div or sqrt instructions | NA |
Longest recurrence chain latency (RecMII) | 1.00 |
Front-end | 1.25 |
Data deps. | 1.00 |
Overall L1 | 3.00 |
all | 100% |
load | NA (no load vectorizable/vectorized instructions) |
store | 100% |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ORR X4, XZR, X3 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 |
STR Q0, [X4], #16 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 2 | 0.50 |
STR Q0, [X3, #16] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 2 | 0.50 |
STR Q0, [X4, #16] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 2 | 0.50 |
STP Q0, Q0, [X3, #48] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 2 | 0.50 |
STP Q0, Q0, [X3, #80] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 2 | 0.50 |
ADD X3, X3, #128 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 |
STUR Q0, [X3, #496] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 2 | 0.50 |
CMP X16, X3 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.33 |
B.NE 40fa20 <main+0x440> | 1 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.50 |
Function | main |
Source file and lines | amg.c:317-318 |
Module | exec |
nb instructions | 10 |
loop length | 40 |
nb stack references | 0 |
front end | 1.25 cycles |
P0 | P1 | P2 | P3 | P4 | P5 | P6 | P7 | P8 | P9 | P10 | P11 | P12 | P13 | P14 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
uops | 0.50 | 0.50 | 0.75 | 0.75 | 0.75 | 0.75 | 3.00 | 3.00 | 0.00 | 0.00 | 3.00 | 3.00 | 0.00 | 0.00 | 0.00 |
cycles | 0.50 | 0.50 | 0.75 | 0.75 | 0.75 | 0.75 | 3.00 | 3.00 | 0.00 | 0.00 | 3.00 | 3.00 | 0.00 | 0.00 | 0.00 |
Cycles executing div or sqrt instructions | NA |
Longest recurrence chain latency (RecMII) | 1.00 |
Front-end | 1.25 |
Data deps. | 1.00 |
Overall L1 | 3.00 |
all | 100% |
load | NA (no load vectorizable/vectorized instructions) |
store | 100% |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ORR X4, XZR, X3 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 |
STR Q0, [X4], #16 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 2 | 0.50 |
STR Q0, [X3, #16] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 2 | 0.50 |
STR Q0, [X4, #16] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 2 | 0.50 |
STP Q0, Q0, [X3, #48] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 2 | 0.50 |
STP Q0, Q0, [X3, #80] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 2 | 0.50 |
ADD X3, X3, #128 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 |
STUR Q0, [X3, #496] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 2 | 0.50 |
CMP X16, X3 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.33 |
B.NE 40fa20 <main+0x440> | 1 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.50 |