| Loop Id: 25 | Module: exec | Source: stream.c:484-487 | Coverage: 0.03% |
|---|
| Loop Id: 25 | Module: exec | Source: stream.c:484-487 | Coverage: 0.03% |
|---|
0x402868 LD1D {Z30.D}, P7/Z, [X2, X7,LSL #3] [2] |
0x40286c LD1D {Z31.D}, P7/Z, [X4, X7,LSL #3] [1] |
0x402870 LD1D {Z1.D}, P7/Z, [X3, X7,LSL #3] [3] |
0x402874 FABD Z30.D, P6/M, Z30.D, Z0.D |
0x402878 ADD X7, X7, X5 |
0x40287c FABD Z31.D, P6/M, Z31.D, Z25.D |
0x402880 FADD Z29.D, P7/M, Z29.D, Z30.D |
0x402884 FADD Z27.D, P7/M, Z27.D, Z31.D |
0x402888 FABD Z1.D, P6/M, Z1.D, Z26.D |
0x40288c FADD Z28.D, P7/M, Z28.D, Z1.D |
0x402890 WHILELO P7.D, W7, W6 |
0x402894 B.NE 402868 |
/home/eoseret/Tools/QaaS/qaas_runs/175-491-9774/intel/stream/build/stream/src/stream.c: 484 - 487 |
-------------------------------------------------------------------------------- |
484: for (j=0; j<STREAM_ARRAY_SIZE; j++) { |
485: aSumErr += abs(a[j] - aj); |
486: bSumErr += abs(b[j] - bj); |
487: cSumErr += abs(c[j] - cj); |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | stream.c:394 | exec |
| ○ | __libc_init_first | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | stream.c:290 | exec |
| min | med | avg | max |
|---|---|---|---|
| Percentile Index | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 |
|---|---|---|---|---|---|---|---|---|---|---|
| Value |
| min | med | avg | max |
|---|---|---|---|
| Percentile Index | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 |
|---|---|---|---|---|---|---|---|---|---|---|
| Value |
| Path / |
| Metric | Value |
|---|---|
| CQA speedup if no scalar integer | 1.00 |
| CQA speedup if FP arith vectorized | 1.00 |
| CQA speedup if fully vectorized | 1.00 |
| CQA speedup if no inter-iteration dependency | NA |
| CQA speedup if next bottleneck killed | 2.00 |
| Bottlenecks | P6, P7, |
| Function | checkSTREAMresults |
| Source | stream.c:484-487 |
| 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 | 3.00 |
| Front-end cycles | 1.50 |
| P0 cycles | 0.50 |
| P1 cycles | 0.50 |
| P2 cycles | 0.50 |
| P3 cycles | 0.25 |
| P4 cycles | 1.00 |
| P5 cycles | 0.25 |
| P6 cycles | 3.00 |
| P7 cycles | 3.00 |
| P8 cycles | 1.50 |
| P9 cycles | 1.50 |
| P10 cycles | 1.50 |
| P11 cycles | 1.50 |
| P12 cycles | 0.00 |
| P13 cycles | 0.00 |
| P14 cycles | 0.00 |
| DIV/SQRT cycles | 0.00 |
| Inter-iter dependencies cycles | 2 |
| FE+BE cycles (UFS) | NA |
| Stall cycles (UFS) | NA |
| Nb insns | 12.00 |
| Nb uops | 12.00 |
| Nb loads | NA |
| Nb stores | 0.00 |
| Nb stack references | 0.00 |
| FLOP/cycle | 4.00 |
| Nb FLOP add-sub | 12.00 |
| 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 | 32.00 |
| Bytes prefetched | 0.00 |
| Bytes loaded | 96.00 |
| Bytes stored | 0.00 |
| Stride 0 | 0.00 |
| Stride 1 | 0.00 |
| Stride n | 0.00 |
| Stride unknown | 3.00 |
| Stride indirect | 0.00 |
| Vectorization ratio all | 100.00 |
| Vectorization ratio load | 100.00 |
| Vectorization ratio store | NA |
| Vectorization ratio mul | NA |
| Vectorization ratio add_sub | 100.00 |
| Vectorization ratio fma | NA |
| Vectorization ratio div_sqrt | NA |
| Vectorization ratio other | 100.00 |
| Vector-efficiency ratio all | 100.00 |
| Vector-efficiency ratio load | 100.00 |
| Vector-efficiency ratio store | NA |
| Vector-efficiency ratio mul | NA |
| Vector-efficiency ratio add_sub | 100.00 |
| Vector-efficiency ratio fma | NA |
| Vector-efficiency ratio div_sqrt | NA |
| Vector-efficiency ratio other | 100.00 |
| Metric | Value |
|---|---|
| CQA speedup if no scalar integer | 1.00 |
| CQA speedup if FP arith vectorized | 1.00 |
| CQA speedup if fully vectorized | 1.00 |
| CQA speedup if no inter-iteration dependency | NA |
| CQA speedup if next bottleneck killed | 2.00 |
| Bottlenecks | P6, P7, |
| Function | checkSTREAMresults |
| Source | stream.c:484-487 |
| 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 | 3.00 |
| Front-end cycles | 1.50 |
| P0 cycles | 0.50 |
| P1 cycles | 0.50 |
| P2 cycles | 0.50 |
| P3 cycles | 0.25 |
| P4 cycles | 1.00 |
| P5 cycles | 0.25 |
| P6 cycles | 3.00 |
| P7 cycles | 3.00 |
| P8 cycles | 1.50 |
| P9 cycles | 1.50 |
| P10 cycles | 1.50 |
| P11 cycles | 1.50 |
| P12 cycles | 0.00 |
| P13 cycles | 0.00 |
| P14 cycles | 0.00 |
| DIV/SQRT cycles | 0.00 |
| Inter-iter dependencies cycles | 2 |
| FE+BE cycles (UFS) | NA |
| Stall cycles (UFS) | NA |
| Nb insns | 12.00 |
| Nb uops | 12.00 |
| Nb loads | NA |
| Nb stores | 0.00 |
| Nb stack references | 0.00 |
| FLOP/cycle | 4.00 |
| Nb FLOP add-sub | 12.00 |
| 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 | 32.00 |
| Bytes prefetched | 0.00 |
| Bytes loaded | 96.00 |
| Bytes stored | 0.00 |
| Stride 0 | 0.00 |
| Stride 1 | 0.00 |
| Stride n | 0.00 |
| Stride unknown | 3.00 |
| Stride indirect | 0.00 |
| Vectorization ratio all | 100.00 |
| Vectorization ratio load | 100.00 |
| Vectorization ratio store | NA |
| Vectorization ratio mul | NA |
| Vectorization ratio add_sub | 100.00 |
| Vectorization ratio fma | NA |
| Vectorization ratio div_sqrt | NA |
| Vectorization ratio other | 100.00 |
| Vector-efficiency ratio all | 100.00 |
| Vector-efficiency ratio load | 100.00 |
| Vector-efficiency ratio store | NA |
| Vector-efficiency ratio mul | NA |
| Vector-efficiency ratio add_sub | 100.00 |
| Vector-efficiency ratio fma | NA |
| Vector-efficiency ratio div_sqrt | NA |
| Vector-efficiency ratio other | 100.00 |
| Path / |
| Function | checkSTREAMresults |
| Source file and lines | stream.c:484-487 |
| Module | exec |
| nb instructions | 12 |
| nb uops | 12 |
| loop length | 48 |
| used w registers | 2 |
| used x registers | 5 |
| used b registers | 0 |
| used h registers | 0 |
| used s registers | 0 |
| used d registers | 0 |
| used q registers | 0 |
| used v registers | 0 |
| used z registers | 9 |
| nb stack references | 0 |
| micro-operation queue | 1.50 cycles |
| front end | 1.50 cycles |
| P0 | P1 | P2 | P3 | P4 | P5 | P6 | P7 | P8 | P9 | P10 | P11 | P12 | P13 | P14 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| uops | 0.50 | 0.50 | 0.50 | 0.25 | 1.00 | 0.25 | 3.00 | 3.00 | 0.00 | 0.00 | 1.50 | 1.50 | 0.00 | 0.00 | 0.00 |
| cycles | 0.50 | 0.50 | 0.50 | 0.25 | 1.00 | 0.25 | 3.00 | 3.00 | 1.50 | 1.50 | 1.50 | 1.50 | 0.00 | 0.00 | 0.00 |
| Cycles executing div or sqrt instructions | NA |
| Longest recurrence chain latency (RecMII) | 2.00 |
| Front-end | 1.50 |
| Dispatch | 3.00 |
| Data deps. | 2.00 |
| Overall L1 | 3.00 |
| all | 100% |
| load | 100% |
| store | NA (no store vectorizable/vectorized instructions) |
| mul | NA (no mul vectorizable/vectorized instructions) |
| add-sub | NA (no add-sub vectorizable/vectorized instructions) |
| fma | NA (no fma vectorizable/vectorized instructions) |
| other | NA (no other vectorizable/vectorized instructions) |
| all | 100% |
| load | NA (no load vectorizable/vectorized instructions) |
| store | NA (no store vectorizable/vectorized instructions) |
| mul | NA (no mul vectorizable/vectorized instructions) |
| add-sub | 100% |
| fma | NA (no fma vectorizable/vectorized instructions) |
| div/sqrt | NA (no div/sqrt vectorizable/vectorized instructions) |
| other | 100% |
| all | 100% |
| load | 100% |
| store | NA (no store vectorizable/vectorized instructions) |
| mul | NA (no mul vectorizable/vectorized instructions) |
| add-sub | 100% |
| fma | NA (no fma vectorizable/vectorized instructions) |
| div/sqrt | NA (no div/sqrt vectorizable/vectorized instructions) |
| other | 100% |
| all | 100% |
| load | 100% |
| store | NA (no store vectorizable/vectorized instructions) |
| mul | NA (no mul vectorizable/vectorized instructions) |
| add-sub | NA (no add-sub vectorizable/vectorized instructions) |
| fma | NA (no fma vectorizable/vectorized instructions) |
| other | NA (no other vectorizable/vectorized instructions) |
| all | 100% |
| load | NA (no load vectorizable/vectorized instructions) |
| store | NA (no store vectorizable/vectorized instructions) |
| mul | NA (no mul vectorizable/vectorized instructions) |
| add-sub | 100% |
| fma | NA (no fma vectorizable/vectorized instructions) |
| div/sqrt | NA (no div/sqrt vectorizable/vectorized instructions) |
| other | 100% |
| all | 100% |
| load | 100% |
| store | NA (no store vectorizable/vectorized instructions) |
| mul | NA (no mul vectorizable/vectorized instructions) |
| add-sub | 100% |
| fma | NA (no fma vectorizable/vectorized instructions) |
| div/sqrt | NA (no div/sqrt vectorizable/vectorized instructions) |
| other | 100% |
| Instruction | Nb FU | P0 | P1 | P2 | P3 | P4 | P5 | P6 | P7 | P8 | P9 | P10 | P11 | P12 | P13 | P14 | Latency | Recip. throughput | Vectorization |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LD1D {Z30.D}, P7/Z, [X2, X7,LSL #3] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 6 | 0.50 | vect (100.0%) |
| LD1D {Z31.D}, P7/Z, [X4, X7,LSL #3] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 6 | 0.50 | vect (100.0%) |
| LD1D {Z1.D}, P7/Z, [X3, X7,LSL #3] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 6 | 0.50 | vect (100.0%) |
| FABD Z30.D, P6/M, Z30.D, Z0.D | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.50 | vect (100.0%) |
| ADD X7, X7, X5 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 | N/A |
| FABD Z31.D, P6/M, Z31.D, Z25.D | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.50 | vect (100.0%) |
| FADD Z29.D, P7/M, Z29.D, Z30.D | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.50 | vect (100.0%) |
| FADD Z27.D, P7/M, Z27.D, Z31.D | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.50 | vect (100.0%) |
| FABD Z1.D, P6/M, Z1.D, Z26.D | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.50 | vect (100.0%) |
| FADD Z28.D, P7/M, Z28.D, Z1.D | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.50 | vect (100.0%) |
| WHILELO P7.D, W7, W6 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | N/A |
| B.NE 402868 <checkSTREAMresults+0xe8> | 1 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.50 | N/A |
| Function | checkSTREAMresults |
| Source file and lines | stream.c:484-487 |
| Module | exec |
| nb instructions | 12 |
| nb uops | 12 |
| loop length | 48 |
| used w registers | 2 |
| used x registers | 5 |
| used b registers | 0 |
| used h registers | 0 |
| used s registers | 0 |
| used d registers | 0 |
| used q registers | 0 |
| used v registers | 0 |
| used z registers | 9 |
| nb stack references | 0 |
| micro-operation queue | 1.50 cycles |
| front end | 1.50 cycles |
| P0 | P1 | P2 | P3 | P4 | P5 | P6 | P7 | P8 | P9 | P10 | P11 | P12 | P13 | P14 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| uops | 0.50 | 0.50 | 0.50 | 0.25 | 1.00 | 0.25 | 3.00 | 3.00 | 0.00 | 0.00 | 1.50 | 1.50 | 0.00 | 0.00 | 0.00 |
| cycles | 0.50 | 0.50 | 0.50 | 0.25 | 1.00 | 0.25 | 3.00 | 3.00 | 1.50 | 1.50 | 1.50 | 1.50 | 0.00 | 0.00 | 0.00 |
| Cycles executing div or sqrt instructions | NA |
| Longest recurrence chain latency (RecMII) | 2.00 |
| Front-end | 1.50 |
| Dispatch | 3.00 |
| Data deps. | 2.00 |
| Overall L1 | 3.00 |
| all | 100% |
| load | 100% |
| store | NA (no store vectorizable/vectorized instructions) |
| mul | NA (no mul vectorizable/vectorized instructions) |
| add-sub | NA (no add-sub vectorizable/vectorized instructions) |
| fma | NA (no fma vectorizable/vectorized instructions) |
| other | NA (no other vectorizable/vectorized instructions) |
| all | 100% |
| load | NA (no load vectorizable/vectorized instructions) |
| store | NA (no store vectorizable/vectorized instructions) |
| mul | NA (no mul vectorizable/vectorized instructions) |
| add-sub | 100% |
| fma | NA (no fma vectorizable/vectorized instructions) |
| div/sqrt | NA (no div/sqrt vectorizable/vectorized instructions) |
| other | 100% |
| all | 100% |
| load | 100% |
| store | NA (no store vectorizable/vectorized instructions) |
| mul | NA (no mul vectorizable/vectorized instructions) |
| add-sub | 100% |
| fma | NA (no fma vectorizable/vectorized instructions) |
| div/sqrt | NA (no div/sqrt vectorizable/vectorized instructions) |
| other | 100% |
| all | 100% |
| load | 100% |
| store | NA (no store vectorizable/vectorized instructions) |
| mul | NA (no mul vectorizable/vectorized instructions) |
| add-sub | NA (no add-sub vectorizable/vectorized instructions) |
| fma | NA (no fma vectorizable/vectorized instructions) |
| other | NA (no other vectorizable/vectorized instructions) |
| all | 100% |
| load | NA (no load vectorizable/vectorized instructions) |
| store | NA (no store vectorizable/vectorized instructions) |
| mul | NA (no mul vectorizable/vectorized instructions) |
| add-sub | 100% |
| fma | NA (no fma vectorizable/vectorized instructions) |
| div/sqrt | NA (no div/sqrt vectorizable/vectorized instructions) |
| other | 100% |
| all | 100% |
| load | 100% |
| store | NA (no store vectorizable/vectorized instructions) |
| mul | NA (no mul vectorizable/vectorized instructions) |
| add-sub | 100% |
| fma | NA (no fma vectorizable/vectorized instructions) |
| div/sqrt | NA (no div/sqrt vectorizable/vectorized instructions) |
| other | 100% |
| Instruction | Nb FU | P0 | P1 | P2 | P3 | P4 | P5 | P6 | P7 | P8 | P9 | P10 | P11 | P12 | P13 | P14 | Latency | Recip. throughput | Vectorization |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LD1D {Z30.D}, P7/Z, [X2, X7,LSL #3] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 6 | 0.50 | vect (100.0%) |
| LD1D {Z31.D}, P7/Z, [X4, X7,LSL #3] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 6 | 0.50 | vect (100.0%) |
| LD1D {Z1.D}, P7/Z, [X3, X7,LSL #3] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 6 | 0.50 | vect (100.0%) |
| FABD Z30.D, P6/M, Z30.D, Z0.D | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.50 | vect (100.0%) |
| ADD X7, X7, X5 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 | N/A |
| FABD Z31.D, P6/M, Z31.D, Z25.D | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.50 | vect (100.0%) |
| FADD Z29.D, P7/M, Z29.D, Z30.D | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.50 | vect (100.0%) |
| FADD Z27.D, P7/M, Z27.D, Z31.D | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.50 | vect (100.0%) |
| FABD Z1.D, P6/M, Z1.D, Z26.D | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.50 | vect (100.0%) |
| FADD Z28.D, P7/M, Z28.D, Z1.D | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.50 | vect (100.0%) |
| WHILELO P7.D, W7, W6 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | N/A |
| B.NE 402868 <checkSTREAMresults+0xe8> | 1 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.50 | N/A |