| Function: k_means(int, point_t*, point_t*, int*, point_t*, int, int) | Module: kmeans-gcc-O3-funroll | Source: main.cpp:55-96 [...] | Coverage (incl. loops): 8.54% | (excl. loops): 0.00% |
|---|
| Function: k_means(int, point_t*, point_t*, int*, point_t*, int, int) | Module: kmeans-gcc-O3-funroll | Source: main.cpp:55-96 [...] | Coverage (incl. loops): 8.54% | (excl. loops): 0.00% |
|---|
/home/fmusial/KMEANS_Benchmarks/kmeans/main.cpp: 55 - 96 |
-------------------------------------------------------------------------------- |
55: void k_means(int niters, point_t *points, point_t *centroids, int *assignment, point_t* memory, int n, int k) { |
56: for (int iter = 0; iter < niters; ++iter) { |
57: // determine nearest centroids |
58: #pragma omp parallel for |
[...] |
73: int count[k]; |
74: double sum_x[k]; |
75: double sum_y[k]; |
76: for (int j = 0; j < k; ++j) { |
77: count[j] = 0; |
78: sum_x[j] = 0.; |
79: sum_y[j] = 0.; |
80: } |
81: for (int i = 0; i < n; ++i) { |
82: count[assignment[i]]++; |
83: sum_x[assignment[i]] += points[i].x; |
84: sum_y[assignment[i]] += points[i].y; |
85: } |
86: for (int j = 0; j < k; ++j) { |
87: if (count[j] != 0) { |
88: centroids[j].x = sum_x[j] / count[j]; |
89: centroids[j].y = sum_y[j] / count[j]; |
90: } |
91: // save centroids to memory |
92: memory[(iter + 1) * k + j].x = centroids[j].x; |
93: memory[(iter + 1) * k + j].y = centroids[j].y; |
94: } |
95: } |
96: } |
0x402184 STP X29, X30, [SP, #816]! |
0x402188 ADD X29, SP, #0 |
0x40218c STP X19, X20, [SP, #16] |
0x402190 STP X21, X22, [SP, #32] |
0x402194 STP X23, X24, [SP, #48] |
0x402198 STP X25, X26, [SP, #64] |
0x40219c STP X27, X28, [SP, #80] |
0x4021a0 STR X4, [X29, #112] |
0x4021a4 STR W0, [X29, #140] |
0x4021a8 STR X2, [X29, #160] |
0x4021ac CMP W0, #0 |
0x4021b0 B.LE 4024e4 |
0x4021b4 SBFM X21, X6, #61, #31 |
0x4021b8 SBFM X0, X6, #62, #31 |
0x4021bc SUB W22, W6, #1 |
0x4021c0 ORR W28, WZR, W6 |
0x4021c4 ADRP X27, |
0x4021c8 ORR X24, XZR, X1 |
0x4021cc ORR X26, XZR, X3 |
0x4021d0 ADD X1, X0, #15 |
0x4021d4 ADD X3, X22, #1 |
0x4021d8 ADD X2, X21, #15 |
0x4021dc ADD X7, X27, #3264 |
0x4021e0 ORR W25, WZR, W5 |
0x4021e4 AND X4, X1, #7932 |
0x4021e8 ORR W20, WZR, W6 |
0x4021ec UBFM X5, X3, #62, #61 |
0x4021f0 UBFM X6, X3, #61, #60 |
0x4021f4 STR X7, [X29, #120] |
0x4021f8 MOVZ W19, #0 |
0x4021fc AND X21, X2, #7932 |
0x402200 STR X4, [X29, #128] |
0x402204 SBFM X27, X28, #0, #31 |
0x402208 STR X5, [X29, #104] |
0x40220c STR X6, [X29, #152] |
(12) 0x402210 LDR X8, [X29, #160] |
(12) 0x402214 ADD X9, SP, #0 |
(12) 0x402218 MOVZ W3, #0 |
(12) 0x40221c MOVZ W2, #0 |
(12) 0x402220 ADD X1, X29, #176 |
(12) 0x402224 STR X26, [X29, #192] |
(12) 0x402228 LDR X0, [X29, #120] |
(12) 0x40222c ADD W19, W19, #1 |
(12) 0x402230 STR X9, [X29, #168] |
(12) 0x402234 STP W25, W28, [X29, #200] |
(12) 0x402238 STP X24, X8, [X29, #176] |
(12) 0x40223c BL 4016a0 |
(12) 0x402240 LDR X10, [X29, #128] |
(12) 0x402244 SUB SP, SP, X10,UXTX |
(12) 0x402248 ADD X4, SP, #0 |
(12) 0x40224c SUB SP, SP, X21,UXTX |
(12) 0x402250 ADD X22, SP, #0 |
(12) 0x402254 SUB SP, SP, X21,UXTX |
(12) 0x402258 ADD X23, SP, #0 |
(12) 0x40225c CMP W28, #0 |
(12) 0x402260 B.LE 40254c |
(12) 0x402264 LDR X2, [X29, #104] |
(12) 0x402268 ORR X0, XZR, X4 |
(12) 0x40226c MOVZ W1, #0 |
(12) 0x402270 STR X4, [X29, #144] |
(12) 0x402274 BL 4015d0 |
(12) 0x402278 LDR X2, [X29, #152] |
(12) 0x40227c MOVZ W1, #0 |
(12) 0x402280 ORR X0, XZR, X22 |
(12) 0x402284 BL 4015d0 |
(12) 0x402288 LDR X2, [X29, #152] |
(12) 0x40228c ADD X0, SP, #0 |
(12) 0x402290 MOVZ W1, #0 |
(12) 0x402294 BL 4015d0 |
(12) 0x402298 CMP W25, #0 |
(12) 0x40229c LDR X4, [X29, #144] |
(12) 0x4022a0 B.LE 402498 |
(12) 0x4022a4 LDR W13, [X26] |
(12) 0x4022a8 SUB W11, W25, #1 |
(12) 0x4022ac MOVZ X1, #1 |
(12) 0x4022b0 AND W12, W11, #64 |
(12) 0x4022b4 ADD X0, X24, #16 |
(12) 0x4022b8 LDP D28, D30, [X24] |
(12) 0x4022bc LDR D29, [X22, X13,SXTW #3] |
(12) 0x4022c0 SBFM X14, X13, #62, #31 |
(12) 0x4022c4 LDR D31, [X23, X13,SXTW #3] |
(12) 0x4022c8 LDR W15, [X4, X14] |
(12) 0x4022cc FADD D0, D29, D28 |
(12) 0x4022d0 FADD D1, D31, D30 |
(12) 0x4022d4 ADD W16, W15, #1 |
(12) 0x4022d8 STR W16, [X4, X14] |
(12) 0x4022dc STR D0, [X22, X13,SXTW #3] |
(12) 0x4022e0 STR D1, [X23, X13,SXTW #3] |
(12) 0x4022e4 CMP W25, #1 |
(12) 0x4022e8 B.LE 402490 |
(12) 0x4022ec CBZ W12, 4023ac |
(12) 0x4022f0 CMP W12, #1 |
(12) 0x4022f4 B.EQ 402370 |
(12) 0x4022f8 CMP W12, #2 |
(12) 0x4022fc B.EQ 40233c |
(12) 0x402300 LDR W17, [X26, #4] |
(12) 0x402304 MOVZ X1, #2 |
(12) 0x402308 ADD X0, X0, #16 |
(12) 0x40230c LDUR D26, [X0, #504] |
(12) 0x402310 LDR D24, [X24, #16] |
(12) 0x402314 SBFM X18, X17, #62, #31 |
(12) 0x402318 LDR D25, [X22, X17,SXTW #3] |
(12) 0x40231c LDR D27, [X23, X17,SXTW #3] |
(12) 0x402320 LDR W30, [X4, X18] |
(12) 0x402324 FADD D3, D25, D24 |
(12) 0x402328 FADD D2, D27, D26 |
(12) 0x40232c ADD W2, W30, #1 |
(12) 0x402330 STR W2, [X4, X18] |
(12) 0x402334 STR D3, [X22, X17,SXTW #3] |
(12) 0x402338 STR D2, [X23, X17,SXTW #3] |
(12) 0x40233c LDR W5, [X26, X1,LSL #2] |
(12) 0x402340 ADD X1, X1, #1 |
(12) 0x402344 LDP D20, D22, [X0], #16 |
(12) 0x402348 LDR D21, [X22, X5,SXTW #3] |
(12) 0x40234c SBFM X6, X5, #62, #31 |
(12) 0x402350 LDR D23, [X23, X5,SXTW #3] |
(12) 0x402354 LDR W3, [X4, X6] |
(12) 0x402358 FADD D4, D21, D20 |
(12) 0x40235c FADD D5, D23, D22 |
(12) 0x402360 ADD W7, W3, #1 |
(12) 0x402364 STR W7, [X4, X6] |
(12) 0x402368 STR D4, [X22, X5,SXTW #3] |
(12) 0x40236c STR D5, [X23, X5,SXTW #3] |
(12) 0x402370 LDR W8, [X26, X1,LSL #2] |
(12) 0x402374 ADD X1, X1, #1 |
(12) 0x402378 LDP D16, D18, [X0], #16 |
(12) 0x40237c LDR D17, [X22, X8,SXTW #3] |
(12) 0x402380 SBFM X9, X8, #62, #31 |
(12) 0x402384 LDR D19, [X23, X8,SXTW #3] |
(12) 0x402388 LDR W10, [X4, X9] |
(12) 0x40238c FADD D6, D17, D16 |
(12) 0x402390 FADD D7, D19, D18 |
(12) 0x402394 ADD W11, W10, #1 |
(12) 0x402398 STR W11, [X4, X9] |
(12) 0x40239c STR D6, [X22, X8,SXTW #3] |
(12) 0x4023a0 STR D7, [X23, X8,SXTW #3] |
(12) 0x4023a4 CMP W25, W1 |
(12) 0x4023a8 B.LE 402490 |
(13) 0x4023ac LDR W12, [X26, X1,LSL #2] |
(13) 0x4023b0 ADD X13, X1, #1 |
(13) 0x4023b4 ADD X14, X0, #16 |
(13) 0x4023b8 ADD X15, X1, #2 |
(13) 0x4023bc ADD X17, X1, #3 |
(13) 0x4023c0 LDP D29, D31, [X0] |
(13) 0x4023c4 ADD X1, X1, #4 |
(13) 0x4023c8 LDR W30, [X26, X13,LSL #2] |
(13) 0x4023cc SBFM X18, X12, #62, #31 |
(13) 0x4023d0 LDR D28, [X22, X12,SXTW #3] |
(13) 0x4023d4 LDR D30, [X23, X12,SXTW #3] |
(13) 0x4023d8 SBFM X16, X30, #62, #31 |
(13) 0x4023dc LDR W2, [X4, X18] |
(13) 0x4023e0 FADD D0, D28, D29 |
(13) 0x4023e4 LDR D20, [X0, #16] |
(13) 0x4023e8 FADD D1, D30, D31 |
(13) 0x4023ec LDR W5, [X26, X15,LSL #2] |
(13) 0x4023f0 ADD W6, W2, #1 |
(13) 0x4023f4 LDR W8, [X26, X17,LSL #2] |
(13) 0x4023f8 STR W6, [X4, X18] |
(13) 0x4023fc STR D0, [X22, X12,SXTW #3] |
(13) 0x402400 LDR D25, [X22, X30,SXTW #3] |
(13) 0x402404 SBFM X3, X5, #62, #31 |
(13) 0x402408 STR D1, [X23, X12,SXTW #3] |
(13) 0x40240c LDR D27, [X23, X30,SXTW #3] |
(13) 0x402410 SBFM X11, X8, #62, #31 |
(13) 0x402414 LDP D26, D2, [X14, #8] |
(13) 0x402418 LDR W7, [X4, X16] |
(13) 0x40241c FADD D22, D25, D20 |
(13) 0x402420 LDR D17, [X14, #24] |
(13) 0x402424 FADD D24, D27, D26 |
(13) 0x402428 ADD W9, W7, #1 |
(13) 0x40242c STR D22, [X22, X30,SXTW #3] |
(13) 0x402430 STR W9, [X4, X16] |
(13) 0x402434 LDR W10, [X4, X3] |
(13) 0x402438 LDR D21, [X22, X5,SXTW #3] |
(13) 0x40243c STR D24, [X23, X30,SXTW #3] |
(13) 0x402440 LDR D3, [X23, X5,SXTW #3] |
(13) 0x402444 ADD W12, W10, #1 |
(13) 0x402448 STR W12, [X4, X3] |
(13) 0x40244c LDR W13, [X4, X11] |
(13) 0x402450 FADD D23, D21, D2 |
(13) 0x402454 FADD D19, D3, D17 |
(13) 0x402458 ADD W15, W13, #1 |
(13) 0x40245c STR D23, [X22, X5,SXTW #3] |
(13) 0x402460 STR W15, [X4, X11] |
(13) 0x402464 LDR D5, [X22, X8,SXTW #3] |
(13) 0x402468 LDP D4, D16, [X0, #48] |
(13) 0x40246c ADD X0, X0, #64 |
(13) 0x402470 STR D19, [X23, X5,SXTW #3] |
(13) 0x402474 LDR D6, [X23, X8,SXTW #3] |
(13) 0x402478 FADD D18, D5, D4 |
(13) 0x40247c FADD D7, D6, D16 |
(13) 0x402480 STR D18, [X22, X8,SXTW #3] |
(13) 0x402484 STR D7, [X23, X8,SXTW #3] |
(13) 0x402488 CMP W25, W1 |
(13) 0x40248c B.GT 4023ac |
(12) 0x402490 CMP W28, #0 |
(12) 0x402494 B.LE 4024cc |
(11) 0x402498 LDR X1, [X29, #160] |
(11) 0x40249c MOVZ X0, #0 |
(11) 0x4024a0 LDR X17, [X29, #112] |
(11) 0x4024a4 ADD X30, X17, W20,UXTW #4 |
(11) 0x4024a8 ADD X14, X1, #8 |
(11) 0x4024ac LDR W18, [X4, X0,LSL #2] |
(11) 0x4024b0 CBNZ W18, 402504 |
(11) 0x4024b4 LDUR D28, [X14, #504] |
(11) 0x4024b8 ADD X0, X0, #1 |
(11) 0x4024bc LDR D30, [X14], #16 |
(11) 0x4024c0 STP D28, D30, [X30], #16 |
(11) 0x4024c4 CMP X27, X0 |
(11) 0x4024c8 B.NE 4024ac |
(12) 0x4024cc LDR X4, [X29, #168] |
(12) 0x4024d0 ADD W20, W20, W28 |
(12) 0x4024d4 LDR W22, [X29, #140] |
(12) 0x4024d8 ADD SP, X4, #0 |
(12) 0x4024dc CMP W22, W19 |
(12) 0x4024e0 B.NE 402210 |
(14) 0x4024e4 ADD SP, X29, #0 |
(14) 0x4024e8 LDP X19, X20, [SP, #16] |
(14) 0x4024ec LDP X21, X22, [SP, #32] |
(14) 0x4024f0 LDP X23, X24, [SP, #48] |
(14) 0x4024f4 LDP X25, X26, [SP, #64] |
(14) 0x4024f8 LDP X27, X28, [SP, #80] |
(14) 0x4024fc LDP X29, X30, [SP], #208 |
(14) 0x402500 RET |
(10) 0x402504 LDR D29, [X22, X0,LSL #3] |
(10) 0x402508 SCVTF D31, W18 |
(10) 0x40250c FDIV D0, D29, D31 |
(10) 0x402510 STUR D0, [X14, #504] |
(10) 0x402514 LDR D1, [X23, X0,LSL #3] |
(10) 0x402518 ADD X0, X0, #1 |
(10) 0x40251c FDIV D25, D1, D31 |
(10) 0x402520 STR D25, [X14], #16 |
(10) 0x402524 STP D0, D25, [X30], #16 |
(10) 0x402528 CMP X27, X0 |
(10) 0x40252c B.NE 4024ac |
(10) 0x402530 LDR X4, [X29, #168] |
(10) 0x402534 ADD W20, W20, W28 |
(10) 0x402538 LDR W22, [X29, #140] |
(10) 0x40253c ADD SP, X4, #0 |
(10) 0x402540 CMP W22, W19 |
(10) 0x402544 B.NE 402210 |
(14) 0x402548 B 4024e4 |
(12) 0x40254c CMP W25, #0 |
(12) 0x402550 B.GT 4022a4 |
(12) 0x402554 B 4024cc |
0x402558 HINT #0 |
0x40255c HINT #0 |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:19 | kmeans-gcc-O3-funroll |
| ○ | __libc_start_main | libc-2.31.so | |
| ○ | _start | new_allocator.h:104 | kmeans-gcc-O3-funroll |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:19 | kmeans-gcc-O3-funroll |
| ○ | __libc_start_main | libc-2.31.so | |
| ○ | _start | new_allocator.h:104 | kmeans-gcc-O3-funroll |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:19 | kmeans-gcc-O3-funroll |
| ○ | __libc_start_main | libc-2.31.so | |
| ○ | _start | new_allocator.h:104 | kmeans-gcc-O3-funroll |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:19 | kmeans-gcc-O3-funroll |
| ○ | __libc_start_main | libc-2.31.so | |
| ○ | _start | new_allocator.h:104 | kmeans-gcc-O3-funroll |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:19 | kmeans-gcc-O3-funroll |
| ○ | __libc_start_main | libc-2.31.so | |
| ○ | _start | new_allocator.h:104 | kmeans-gcc-O3-funroll |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:19 | kmeans-gcc-O3-funroll |
| ○ | __libc_start_main | libc-2.31.so | |
| ○ | _start | new_allocator.h:104 | kmeans-gcc-O3-funroll |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:19 | kmeans-gcc-O3-funroll |
| ○ | __libc_start_main | libc-2.31.so | |
| ○ | _start | new_allocator.h:104 | kmeans-gcc-O3-funroll |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:19 | kmeans-gcc-O3-funroll |
| ○ | __libc_start_main | libc-2.31.so | |
| ○ | _start | new_allocator.h:104 | kmeans-gcc-O3-funroll |
| 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 / |
The code analyzed by CQA in that panel excludes loops and represents 0.00% of application time for run run_1_thread
| Source file and lines | main.cpp:55-96 |
| Module | kmeans-gcc-O3-funroll |
| nb instructions | 37 |
| nb uops | 35 |
| loop length | 148 |
| used w registers | 9 |
| used x registers | 21 |
| used b registers | 0 |
| used h registers | 0 |
| used s registers | 1 |
| used d registers | 0 |
| used q registers | 0 |
| used v registers | 0 |
| used z registers | 0 |
| nb stack references | 6 |
| micro-operation queue | 4.38 cycles |
| front end | 4.38 cycles |
| P0 | P1 | P2 | P3 | P4 | P5 | P6 | P7 | P8 | P9 | P10 | P11 | P12 | P13 | P14 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| uops | 0.50 | 0.50 | 5.50 | 5.50 | 5.50 | 5.50 | 0.00 | 0.00 | 0.00 | 0.00 | 6.50 | 6.50 | 0.00 | 6.50 | 6.50 |
| cycles | 0.50 | 0.50 | 5.50 | 5.50 | 5.50 | 5.50 | 0.00 | 0.00 | 0.00 | 0.00 | 6.50 | 6.50 | 0.00 | 6.50 | 6.50 |
| Cycles executing div or sqrt instructions | NA |
| Front-end | 4.38 |
| Dispatch | 6.50 |
| Overall L1 | 6.50 |
| all | 0% |
| load | NA (no load vectorizable/vectorized instructions) |
| store | 0% |
| mul | NA (no mul vectorizable/vectorized instructions) |
| add-sub | 0% |
| fma | NA (no fma vectorizable/vectorized instructions) |
| div/sqrt | NA (no div/sqrt vectorizable/vectorized instructions) |
| other | 0% |
| all | 32% |
| load | NA (no load vectorizable/vectorized instructions) |
| store | 35% |
| mul | NA (no mul vectorizable/vectorized instructions) |
| add-sub | 21% |
| fma | NA (no fma vectorizable/vectorized instructions) |
| div/sqrt | NA (no div/sqrt vectorizable/vectorized instructions) |
| other | 31% |
| Instruction | Nb FU | P0 | P1 | P2 | P3 | P4 | P5 | P6 | P7 | P8 | P9 | P10 | P11 | P12 | P13 | P14 | Latency | Recip. throughput | Vectorization |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| STP X29, X30, [SP, #816]! | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (50.0%) |
| ADD X29, SP, #0 | 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 |
| STP X19, X20, [SP, #16] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (50.0%) |
| STP X21, X22, [SP, #32] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (50.0%) |
| STP X23, X24, [SP, #48] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (50.0%) |
| STP X25, X26, [SP, #64] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (50.0%) |
| STP X27, X28, [SP, #80] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (50.0%) |
| STR X4, [X29, #112] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (25.0%) |
| STR W0, [X29, #140] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (12.5%) |
| STR X2, [X29, #160] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (25.0%) |
| CMP W0, #0 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.33 | scal (12.5%) |
| B.LE 4024e4 <_Z7k_meansiP7point_tS0_PiS0_ii+0x360> | 1 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.50 | N/A |
| SBFM X21, X6, #61, #31 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 | scal (100.0%) |
| SBFM X0, X6, #62, #31 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 | scal (100.0%) |
| SUB W22, W6, #1 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 | scal (12.5%) |
| ORR W28, WZR, W6 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 | scal (12.5%) |
| ADRP X27, <2004011c4> | 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 |
| ORR X24, XZR, X1 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 | scal (25.0%) |
| ORR X26, 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 | scal (25.0%) |
| ADD X1, X0, #15 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 | scal (25.0%) |
| ADD X3, X22, #1 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 | scal (25.0%) |
| ADD X2, X21, #15 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 | scal (25.0%) |
| ADD X7, X27, #3264 | 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 |
| ORR W25, WZR, W5 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 | scal (12.5%) |
| AND X4, X1, #7932 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 | scal (25.0%) |
| ORR W20, WZR, W6 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 | scal (12.5%) |
| UBFM X5, X3, #62, #61 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 | scal (25.0%) |
| UBFM X6, X3, #61, #60 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 | scal (25.0%) |
| STR X7, [X29, #120] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (25.0%) |
| MOVZ W19, #0 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 | scal (12.5%) |
| AND X21, X2, #7932 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 | scal (25.0%) |
| STR X4, [X29, #128] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (25.0%) |
| SBFM X27, X28, #0, #31 | 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 |
| STR X5, [X29, #104] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (25.0%) |
| STR X6, [X29, #152] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (25.0%) |
| HINT #0 | N/A | ||||||||||||||||||
| HINT #0 | N/A |
The code analyzed by CQA in that panel excludes loops and represents 0.00% of application time for run run_1_thread
| Source file and lines | main.cpp:55-96 |
| Module | kmeans-gcc-O3-funroll |
| nb instructions | 37 |
| nb uops | 35 |
| loop length | 148 |
| used w registers | 9 |
| used x registers | 21 |
| used b registers | 0 |
| used h registers | 0 |
| used s registers | 1 |
| used d registers | 0 |
| used q registers | 0 |
| used v registers | 0 |
| used z registers | 0 |
| nb stack references | 6 |
| micro-operation queue | 4.38 cycles |
| front end | 4.38 cycles |
| P0 | P1 | P2 | P3 | P4 | P5 | P6 | P7 | P8 | P9 | P10 | P11 | P12 | P13 | P14 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| uops | 0.50 | 0.50 | 5.50 | 5.50 | 5.50 | 5.50 | 0.00 | 0.00 | 0.00 | 0.00 | 6.50 | 6.50 | 0.00 | 6.50 | 6.50 |
| cycles | 0.50 | 0.50 | 5.50 | 5.50 | 5.50 | 5.50 | 0.00 | 0.00 | 0.00 | 0.00 | 6.50 | 6.50 | 0.00 | 6.50 | 6.50 |
| Cycles executing div or sqrt instructions | NA |
| Front-end | 4.38 |
| Dispatch | 6.50 |
| Overall L1 | 6.50 |
| all | 0% |
| load | NA (no load vectorizable/vectorized instructions) |
| store | 0% |
| mul | NA (no mul vectorizable/vectorized instructions) |
| add-sub | 0% |
| fma | NA (no fma vectorizable/vectorized instructions) |
| div/sqrt | NA (no div/sqrt vectorizable/vectorized instructions) |
| other | 0% |
| all | 32% |
| load | NA (no load vectorizable/vectorized instructions) |
| store | 35% |
| mul | NA (no mul vectorizable/vectorized instructions) |
| add-sub | 21% |
| fma | NA (no fma vectorizable/vectorized instructions) |
| div/sqrt | NA (no div/sqrt vectorizable/vectorized instructions) |
| other | 31% |
| Instruction | Nb FU | P0 | P1 | P2 | P3 | P4 | P5 | P6 | P7 | P8 | P9 | P10 | P11 | P12 | P13 | P14 | Latency | Recip. throughput | Vectorization |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| STP X29, X30, [SP, #816]! | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (50.0%) |
| ADD X29, SP, #0 | 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 |
| STP X19, X20, [SP, #16] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (50.0%) |
| STP X21, X22, [SP, #32] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (50.0%) |
| STP X23, X24, [SP, #48] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (50.0%) |
| STP X25, X26, [SP, #64] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (50.0%) |
| STP X27, X28, [SP, #80] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (50.0%) |
| STR X4, [X29, #112] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (25.0%) |
| STR W0, [X29, #140] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (12.5%) |
| STR X2, [X29, #160] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (25.0%) |
| CMP W0, #0 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.33 | scal (12.5%) |
| B.LE 4024e4 <_Z7k_meansiP7point_tS0_PiS0_ii+0x360> | 1 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.50 | N/A |
| SBFM X21, X6, #61, #31 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 | scal (100.0%) |
| SBFM X0, X6, #62, #31 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 | scal (100.0%) |
| SUB W22, W6, #1 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 | scal (12.5%) |
| ORR W28, WZR, W6 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 | scal (12.5%) |
| ADRP X27, <2004011c4> | 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 |
| ORR X24, XZR, X1 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 | scal (25.0%) |
| ORR X26, 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 | scal (25.0%) |
| ADD X1, X0, #15 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 | scal (25.0%) |
| ADD X3, X22, #1 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 | scal (25.0%) |
| ADD X2, X21, #15 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 | scal (25.0%) |
| ADD X7, X27, #3264 | 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 |
| ORR W25, WZR, W5 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 | scal (12.5%) |
| AND X4, X1, #7932 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 | scal (25.0%) |
| ORR W20, WZR, W6 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 | scal (12.5%) |
| UBFM X5, X3, #62, #61 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 | scal (25.0%) |
| UBFM X6, X3, #61, #60 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 | scal (25.0%) |
| STR X7, [X29, #120] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (25.0%) |
| MOVZ W19, #0 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 | scal (12.5%) |
| AND X21, X2, #7932 | 1 | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.25 | scal (25.0%) |
| STR X4, [X29, #128] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (25.0%) |
| SBFM X27, X28, #0, #31 | 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 |
| STR X5, [X29, #104] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (25.0%) |
| STR X6, [X29, #152] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (25.0%) |
| HINT #0 | N/A | ||||||||||||||||||
| HINT #0 | N/A |
| Run run_1_thread | Number processes: 1Number nodes: 1Number processes per node: 1Run Command: <executable> input/100000000.in 1000 100000000 50 25MPI Command: Dataset: Run Directory: /home/fmusial/KMEANS_BenchmarksOMP_PROC_BIND: trueOMP_NUM_THREADS: 1 |
|---|---|
| Run run_2_threads | Number processes: 1Number nodes: 1Number processes per node: 1Run Command: <executable> input/100000000.in 1000 100000000 50 25MPI Command: Dataset: Run Directory: /home/fmusial/KMEANS_BenchmarksOMP_PROC_BIND: trueOMP_NUM_THREADS: 2 |
| Run run_4_threads | Number processes: 1Number nodes: 1Number processes per node: 1Run Command: <executable> input/100000000.in 1000 100000000 50 25MPI Command: Dataset: Run Directory: /home/fmusial/KMEANS_BenchmarksOMP_PROC_BIND: trueOMP_NUM_THREADS: 4 |
| Run run_8_threads | Number processes: 1Number nodes: 1Number processes per node: 1Run Command: <executable> input/100000000.in 1000 100000000 50 25MPI Command: Dataset: Run Directory: /home/fmusial/KMEANS_BenchmarksOMP_PROC_BIND: trueOMP_NUM_THREADS: 8 |
| Run run_16_threads | Number processes: 1Number nodes: 1Number processes per node: 1Run Command: <executable> input/100000000.in 1000 100000000 50 25MPI Command: Dataset: Run Directory: /home/fmusial/KMEANS_BenchmarksOMP_PROC_BIND: trueOMP_NUM_THREADS: 16 |
| Run run_32_threads | Number processes: 1Number nodes: 1Number processes per node: 1Run Command: <executable> input/100000000.in 1000 100000000 50 25MPI Command: Dataset: Run Directory: /home/fmusial/KMEANS_BenchmarksOMP_PROC_BIND: trueOMP_NUM_THREADS: 32 |
| Run run_48_threads | Number processes: 1Number nodes: 1Number processes per node: 1Run Command: <executable> input/100000000.in 1000 100000000 50 25MPI Command: Dataset: Run Directory: /home/fmusial/KMEANS_BenchmarksOMP_PROC_BIND: trueOMP_NUM_THREADS: 48 |
| Run run_64_threads | Number processes: 1Number nodes: 1Number processes per node: 1Run Command: <executable> input/100000000.in 1000 100000000 50 25MPI Command: Dataset: Run Directory: /home/fmusial/KMEANS_BenchmarksOMP_PROC_BIND: trueOMP_NUM_THREADS: 64 |
| (run_1_thread) Efficiency | (run_1_thread) Potential Speed-Up (%) | (run_2_threads) Efficiency | (run_2_threads) Potential Speed-Up (%) | (run_4_threads) Efficiency | (run_4_threads) Potential Speed-Up (%) | (run_8_threads) Efficiency | (run_8_threads) Potential Speed-Up (%) | (run_16_threads) Efficiency | (run_16_threads) Potential Speed-Up (%) | (run_32_threads) Efficiency | (run_32_threads) Potential Speed-Up (%) | (run_48_threads) Efficiency | (run_48_threads) Potential Speed-Up (%) | (run_64_threads) Efficiency | (run_64_threads) Potential Speed-Up (%) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 0 | 0.92 | 0.66 | 0.8 | 1.7 | 0.63 | 3.11 | 0.45 | 4.55 | 0.29 | 5.51 | 0.23 | 5.58 | 0.19 | 5.33 |
| Run | Number of threads | Efficiency (ideal is 1) | Speedup | Ideal Speedup | Time (s) | Coverage (%) |
|---|---|---|---|---|---|---|
| run_1_thread | 1 | 1 | 1 | 1 | 9.259991645813 | 8.536527633667 |
| run_2_threads | 1 | 0.92 | 1.85 | 2 | 9.2689924240112 | 8.485689163208 |
| run_4_threads | 1 | 0.8 | 3.19 | 4 | 9.250994682312 | 8.4531860351563 |
| run_8_threads | 1 | 0.63 | 5.04 | 8 | 9.2599954605103 | 8.3894281387329 |
| run_16_threads | 1 | 0.45 | 7.15 | 16 | 9.2649965286255 | 8.2178783416748 |
| run_32_threads | 1 | 0.29 | 9.35 | 32 | 9.2709970474243 | 7.7841501235962 |
| run_48_threads | 1 | 0.23 | 10.86 | 48 | 9.2949953079224 | 7.2180733680725 |
| run_64_threads | 1 | 0.19 | 12.33 | 64 | 9.2899942398071 | 6.6025137901306 |
| Name | Coverage (%) | Time (s) |
|---|---|---|
| ▼k_means(int, point_t*, point_t*, int*, point_t*, int, int)– | 8.54 | 9.26 |
| ▼Loop 14 - main.cpp:56-96 - kmeans-gcc-O3-funroll– | 0.00 | 0.00 |
| ▼Loop 10 - main.cpp:56-95 - kmeans-gcc-O3-funroll– | 0.00 | 0.00 |
| ▼Loop 11 - main.cpp:56-95 - kmeans-gcc-O3-funroll– | 0.00 | 0.00 |
| ▼Loop 12 - main.cpp:56-95 - kmeans-gcc-O3-funroll– | 0.00 | 0.00 |
| ○Loop 13 - main.cpp:81-84 - kmeans-gcc-O3-funroll | 8.54 | 9.26 |
