| 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): 8.31% | (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): 8.31% | (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: } |
0x4021e4 STP X29, X30, [SP, #816]! |
0x4021e8 ADD X29, SP, #0 |
0x4021ec STP X19, X20, [SP, #16] |
0x4021f0 STP X21, X22, [SP, #32] |
0x4021f4 STP X23, X24, [SP, #48] |
0x4021f8 STP X25, X26, [SP, #64] |
0x4021fc STP X27, X28, [SP, #80] |
0x402200 STR X4, [X29, #112] |
0x402204 STR W0, [X29, #140] |
0x402208 STR X2, [X29, #160] |
0x40220c CMP W0, #0 |
0x402210 B.LE 402544 |
0x402214 SBFM X21, X6, #61, #31 |
0x402218 SBFM X0, X6, #62, #31 |
0x40221c SUB W22, W6, #1 |
0x402220 ORR W28, WZR, W6 |
0x402224 ADRP X27, |
0x402228 ORR X24, XZR, X1 |
0x40222c ORR X26, XZR, X3 |
0x402230 ADD X1, X0, #15 |
0x402234 ADD X3, X22, #1 |
0x402238 ADD X2, X21, #15 |
0x40223c ADD X7, X27, #3360 |
0x402240 ORR W25, WZR, W5 |
0x402244 AND X4, X1, #7932 |
0x402248 ORR W20, WZR, W6 |
0x40224c UBFM X5, X3, #62, #61 |
0x402250 UBFM X6, X3, #61, #60 |
0x402254 STR X7, [X29, #120] |
0x402258 MOVZ W19, #0 |
0x40225c AND X21, X2, #7932 |
0x402260 STR X4, [X29, #128] |
0x402264 SBFM X27, X28, #0, #31 |
0x402268 STR X5, [X29, #104] |
0x40226c STR X6, [X29, #152] |
(12) 0x402270 LDR X8, [X29, #160] |
(12) 0x402274 ADD X9, SP, #0 |
(12) 0x402278 MOVZ W3, #0 |
(12) 0x40227c MOVZ W2, #0 |
(12) 0x402280 ADD X1, X29, #176 |
(12) 0x402284 STR X26, [X29, #192] |
(12) 0x402288 LDR X0, [X29, #120] |
(12) 0x40228c ADD W19, W19, #1 |
(12) 0x402290 STR X9, [X29, #168] |
(12) 0x402294 STP W25, W28, [X29, #200] |
(12) 0x402298 STP X24, X8, [X29, #176] |
(12) 0x40229c BL 4016b0 |
(12) 0x4022a0 LDR X10, [X29, #128] |
(12) 0x4022a4 SUB SP, SP, X10,UXTX |
(12) 0x4022a8 ADD X4, SP, #0 |
(12) 0x4022ac SUB SP, SP, X21,UXTX |
(12) 0x4022b0 ADD X22, SP, #0 |
(12) 0x4022b4 SUB SP, SP, X21,UXTX |
(12) 0x4022b8 ADD X23, SP, #0 |
(12) 0x4022bc CMP W28, #0 |
(12) 0x4022c0 B.LE 4025ac |
(12) 0x4022c4 LDR X2, [X29, #104] |
(12) 0x4022c8 ORR X0, XZR, X4 |
(12) 0x4022cc MOVZ W1, #0 |
(12) 0x4022d0 STR X4, [X29, #144] |
(12) 0x4022d4 BL 4015e0 |
(12) 0x4022d8 LDR X2, [X29, #152] |
(12) 0x4022dc MOVZ W1, #0 |
(12) 0x4022e0 ORR X0, XZR, X22 |
(12) 0x4022e4 BL 4015e0 |
(12) 0x4022e8 LDR X2, [X29, #152] |
(12) 0x4022ec ADD X0, SP, #0 |
(12) 0x4022f0 MOVZ W1, #0 |
(12) 0x4022f4 BL 4015e0 |
(12) 0x4022f8 CMP W25, #0 |
(12) 0x4022fc LDR X4, [X29, #144] |
(12) 0x402300 B.LE 4024f8 |
(12) 0x402304 LDR W13, [X26] |
(12) 0x402308 SUB W11, W25, #1 |
(12) 0x40230c MOVZ X1, #1 |
(12) 0x402310 AND W12, W11, #64 |
(12) 0x402314 ADD X0, X24, #16 |
(12) 0x402318 LDP D28, D30, [X24] |
(12) 0x40231c LDR D29, [X22, X13,SXTW #3] |
(12) 0x402320 SBFM X14, X13, #62, #31 |
(12) 0x402324 LDR D31, [X23, X13,SXTW #3] |
(12) 0x402328 LDR W15, [X4, X14] |
(12) 0x40232c FADD D0, D29, D28 |
(12) 0x402330 FADD D1, D31, D30 |
(12) 0x402334 ADD W16, W15, #1 |
(12) 0x402338 STR W16, [X4, X14] |
(12) 0x40233c STR D0, [X22, X13,SXTW #3] |
(12) 0x402340 STR D1, [X23, X13,SXTW #3] |
(12) 0x402344 CMP W25, #1 |
(12) 0x402348 B.LE 4024f0 |
(12) 0x40234c CBZ W12, 40240c |
(12) 0x402350 CMP W12, #1 |
(12) 0x402354 B.EQ 4023d0 |
(12) 0x402358 CMP W12, #2 |
(12) 0x40235c B.EQ 40239c |
(12) 0x402360 LDR W17, [X26, #4] |
(12) 0x402364 MOVZ X1, #2 |
(12) 0x402368 ADD X0, X0, #16 |
(12) 0x40236c LDUR D26, [X0, #504] |
(12) 0x402370 LDR D24, [X24, #16] |
(12) 0x402374 SBFM X18, X17, #62, #31 |
(12) 0x402378 LDR D25, [X22, X17,SXTW #3] |
(12) 0x40237c LDR D27, [X23, X17,SXTW #3] |
(12) 0x402380 LDR W30, [X4, X18] |
(12) 0x402384 FADD D3, D25, D24 |
(12) 0x402388 FADD D2, D27, D26 |
(12) 0x40238c ADD W2, W30, #1 |
(12) 0x402390 STR W2, [X4, X18] |
(12) 0x402394 STR D3, [X22, X17,SXTW #3] |
(12) 0x402398 STR D2, [X23, X17,SXTW #3] |
(12) 0x40239c LDR W5, [X26, X1,LSL #2] |
(12) 0x4023a0 ADD X1, X1, #1 |
(12) 0x4023a4 LDP D20, D22, [X0], #16 |
(12) 0x4023a8 LDR D21, [X22, X5,SXTW #3] |
(12) 0x4023ac SBFM X6, X5, #62, #31 |
(12) 0x4023b0 LDR D23, [X23, X5,SXTW #3] |
(12) 0x4023b4 LDR W3, [X4, X6] |
(12) 0x4023b8 FADD D4, D21, D20 |
(12) 0x4023bc FADD D5, D23, D22 |
(12) 0x4023c0 ADD W7, W3, #1 |
(12) 0x4023c4 STR W7, [X4, X6] |
(12) 0x4023c8 STR D4, [X22, X5,SXTW #3] |
(12) 0x4023cc STR D5, [X23, X5,SXTW #3] |
(12) 0x4023d0 LDR W8, [X26, X1,LSL #2] |
(12) 0x4023d4 ADD X1, X1, #1 |
(12) 0x4023d8 LDP D16, D18, [X0], #16 |
(12) 0x4023dc LDR D17, [X22, X8,SXTW #3] |
(12) 0x4023e0 SBFM X9, X8, #62, #31 |
(12) 0x4023e4 LDR D19, [X23, X8,SXTW #3] |
(12) 0x4023e8 LDR W10, [X4, X9] |
(12) 0x4023ec FADD D6, D17, D16 |
(12) 0x4023f0 FADD D7, D19, D18 |
(12) 0x4023f4 ADD W11, W10, #1 |
(12) 0x4023f8 STR W11, [X4, X9] |
(12) 0x4023fc STR D6, [X22, X8,SXTW #3] |
(12) 0x402400 STR D7, [X23, X8,SXTW #3] |
(12) 0x402404 CMP W25, W1 |
(12) 0x402408 B.LE 4024f0 |
(13) 0x40240c LDR W12, [X26, X1,LSL #2] |
(13) 0x402410 ADD X13, X1, #1 |
(13) 0x402414 ADD X14, X0, #16 |
(13) 0x402418 ADD X15, X1, #2 |
(13) 0x40241c ADD X17, X1, #3 |
(13) 0x402420 LDP D29, D31, [X0] |
(13) 0x402424 ADD X1, X1, #4 |
(13) 0x402428 LDR W30, [X26, X13,LSL #2] |
(13) 0x40242c SBFM X18, X12, #62, #31 |
(13) 0x402430 LDR D28, [X22, X12,SXTW #3] |
(13) 0x402434 LDR D30, [X23, X12,SXTW #3] |
(13) 0x402438 SBFM X16, X30, #62, #31 |
(13) 0x40243c LDR W2, [X4, X18] |
(13) 0x402440 FADD D0, D28, D29 |
(13) 0x402444 LDR D20, [X0, #16] |
(13) 0x402448 FADD D1, D30, D31 |
(13) 0x40244c LDR W5, [X26, X15,LSL #2] |
(13) 0x402450 ADD W6, W2, #1 |
(13) 0x402454 LDR W8, [X26, X17,LSL #2] |
(13) 0x402458 STR W6, [X4, X18] |
(13) 0x40245c STR D0, [X22, X12,SXTW #3] |
(13) 0x402460 LDR D25, [X22, X30,SXTW #3] |
(13) 0x402464 SBFM X3, X5, #62, #31 |
(13) 0x402468 STR D1, [X23, X12,SXTW #3] |
(13) 0x40246c LDR D27, [X23, X30,SXTW #3] |
(13) 0x402470 SBFM X11, X8, #62, #31 |
(13) 0x402474 LDP D26, D2, [X14, #8] |
(13) 0x402478 LDR W7, [X4, X16] |
(13) 0x40247c FADD D22, D25, D20 |
(13) 0x402480 LDR D17, [X14, #24] |
(13) 0x402484 FADD D24, D27, D26 |
(13) 0x402488 ADD W9, W7, #1 |
(13) 0x40248c STR D22, [X22, X30,SXTW #3] |
(13) 0x402490 STR W9, [X4, X16] |
(13) 0x402494 LDR W10, [X4, X3] |
(13) 0x402498 LDR D21, [X22, X5,SXTW #3] |
(13) 0x40249c STR D24, [X23, X30,SXTW #3] |
(13) 0x4024a0 LDR D3, [X23, X5,SXTW #3] |
(13) 0x4024a4 ADD W12, W10, #1 |
(13) 0x4024a8 STR W12, [X4, X3] |
(13) 0x4024ac LDR W13, [X4, X11] |
(13) 0x4024b0 FADD D23, D21, D2 |
(13) 0x4024b4 FADD D19, D3, D17 |
(13) 0x4024b8 ADD W15, W13, #1 |
(13) 0x4024bc STR D23, [X22, X5,SXTW #3] |
(13) 0x4024c0 STR W15, [X4, X11] |
(13) 0x4024c4 LDR D5, [X22, X8,SXTW #3] |
(13) 0x4024c8 LDP D4, D16, [X0, #48] |
(13) 0x4024cc ADD X0, X0, #64 |
(13) 0x4024d0 STR D19, [X23, X5,SXTW #3] |
(13) 0x4024d4 LDR D6, [X23, X8,SXTW #3] |
(13) 0x4024d8 FADD D18, D5, D4 |
(13) 0x4024dc FADD D7, D6, D16 |
(13) 0x4024e0 STR D18, [X22, X8,SXTW #3] |
(13) 0x4024e4 STR D7, [X23, X8,SXTW #3] |
(13) 0x4024e8 CMP W25, W1 |
(13) 0x4024ec B.GT 40240c |
(12) 0x4024f0 CMP W28, #0 |
(12) 0x4024f4 B.LE 40252c |
(11) 0x4024f8 LDR X1, [X29, #160] |
(11) 0x4024fc MOVZ X0, #0 |
(11) 0x402500 LDR X17, [X29, #112] |
(11) 0x402504 ADD X30, X17, W20,UXTW #4 |
(11) 0x402508 ADD X14, X1, #8 |
(11) 0x40250c LDR W18, [X4, X0,LSL #2] |
(11) 0x402510 CBNZ W18, 402564 |
(11) 0x402514 LDUR D28, [X14, #504] |
(11) 0x402518 ADD X0, X0, #1 |
(11) 0x40251c LDR D30, [X14], #16 |
(11) 0x402520 STP D28, D30, [X30], #16 |
(11) 0x402524 CMP X27, X0 |
(11) 0x402528 B.NE 40250c |
(12) 0x40252c LDR X4, [X29, #168] |
(12) 0x402530 ADD W20, W20, W28 |
(12) 0x402534 LDR W22, [X29, #140] |
(12) 0x402538 ADD SP, X4, #0 |
(12) 0x40253c CMP W22, W19 |
(12) 0x402540 B.NE 402270 |
(14) 0x402544 ADD SP, X29, #0 |
(14) 0x402548 LDP X19, X20, [SP, #16] |
(14) 0x40254c LDP X21, X22, [SP, #32] |
(14) 0x402550 LDP X23, X24, [SP, #48] |
(14) 0x402554 LDP X25, X26, [SP, #64] |
(14) 0x402558 LDP X27, X28, [SP, #80] |
(14) 0x40255c LDP X29, X30, [SP], #208 |
(14) 0x402560 RET |
(10) 0x402564 LDR D29, [X22, X0,LSL #3] |
(10) 0x402568 SCVTF D31, W18 |
(10) 0x40256c FDIV D0, D29, D31 |
(10) 0x402570 STUR D0, [X14, #504] |
(10) 0x402574 LDR D1, [X23, X0,LSL #3] |
(10) 0x402578 ADD X0, X0, #1 |
(10) 0x40257c FDIV D25, D1, D31 |
(10) 0x402580 STR D25, [X14], #16 |
(10) 0x402584 STP D0, D25, [X30], #16 |
(10) 0x402588 CMP X27, X0 |
(10) 0x40258c B.NE 40250c |
(10) 0x402590 LDR X4, [X29, #168] |
(10) 0x402594 ADD W20, W20, W28 |
(10) 0x402598 LDR W22, [X29, #140] |
(10) 0x40259c ADD SP, X4, #0 |
(10) 0x4025a0 CMP W22, W19 |
(10) 0x4025a4 B.NE 402270 |
(14) 0x4025a8 B 402544 |
(12) 0x4025ac CMP W25, #0 |
(12) 0x4025b0 B.GT 402304 |
(12) 0x4025b4 B 40252c |
0x4025b8 HINT #0 |
0x4025bc HINT #0 |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:20 | kmeans-gcc-O3-funroll |
| ○ | __libc_start_call_main | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | new_allocator.h:104 | kmeans-gcc-O3-funroll |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:20 | kmeans-gcc-O3-funroll |
| ○ | __libc_start_call_main | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | new_allocator.h:104 | kmeans-gcc-O3-funroll |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:20 | kmeans-gcc-O3-funroll |
| ○ | __libc_start_call_main | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | new_allocator.h:104 | kmeans-gcc-O3-funroll |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:20 | kmeans-gcc-O3-funroll |
| ○ | __libc_start_call_main | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | new_allocator.h:104 | kmeans-gcc-O3-funroll |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:20 | kmeans-gcc-O3-funroll |
| ○ | __libc_start_call_main | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | new_allocator.h:104 | kmeans-gcc-O3-funroll |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:20 | kmeans-gcc-O3-funroll |
| ○ | __libc_start_call_main | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | new_allocator.h:104 | kmeans-gcc-O3-funroll |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:20 | kmeans-gcc-O3-funroll |
| ○ | __libc_start_call_main | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | new_allocator.h:104 | kmeans-gcc-O3-funroll |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:20 | kmeans-gcc-O3-funroll |
| ○ | __libc_start_call_main | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | new_allocator.h:104 | kmeans-gcc-O3-funroll |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:20 | kmeans-gcc-O3-funroll |
| ○ | __libc_start_call_main | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | new_allocator.h:104 | kmeans-gcc-O3-funroll |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:20 | kmeans-gcc-O3-funroll |
| ○ | __libc_start_call_main | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _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 | P15 | P16 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| uops | 0.50 | 0.50 | 3.67 | 3.67 | 3.67 | 3.67 | 3.67 | 3.67 | 0.00 | 0.00 | 0.00 | 0.00 | 6.50 | 6.50 | 0.00 | 6.50 | 6.50 |
| cycles | 0.50 | 0.50 | 3.67 | 3.67 | 3.67 | 3.67 | 3.67 | 3.67 | 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 | 57% |
| load | NA (no load vectorizable/vectorized instructions) |
| store | 71% |
| mul | NA (no mul vectorizable/vectorized instructions) |
| add-sub | 43% |
| fma | NA (no fma vectorizable/vectorized instructions) |
| div/sqrt | NA (no div/sqrt vectorizable/vectorized instructions) |
| other | 48% |
| Instruction | Nb FU | P0 | P1 | P2 | P3 | P4 | P5 | P6 | P7 | P8 | P9 | P10 | P11 | P12 | P13 | P14 | P15 | P16 | Latency | Recip. throughput | Vectorization |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| STP X29, X30, [SP, #816]! | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (100.0%) |
| ADD X29, SP, #0 | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | N/A |
| STP X19, X20, [SP, #16] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (100.0%) |
| STP X21, X22, [SP, #32] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (100.0%) |
| STP X23, X24, [SP, #48] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (100.0%) |
| STP X25, X26, [SP, #64] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (100.0%) |
| STP X27, X28, [SP, #80] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (100.0%) |
| STR X4, [X29, #112] | 1 | 0 | 0 | 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 W0, [X29, #140] | 1 | 0 | 0 | 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 X2, [X29, #160] | 1 | 0 | 0 | 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%) |
| CMP W0, #0 | 1 | 0 | 0 | 0.25 | 0.25 | 0 | 0 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.33 | scal (25.0%) |
| B.LE 402544 <_Z7k_meansiP7point_tS0_PiS0_ii+0x360> | 1 | 0.50 | 0.50 | 0 | 0 | 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 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | scal (100.0%) |
| SBFM X0, X6, #62, #31 | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | scal (100.0%) |
| SUB W22, W6, #1 | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | scal (25.0%) |
| ORR W28, WZR, W6 | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | scal (25.0%) |
| ADRP X27, <200401224> | 1 | 0 | 0 | 0.25 | 0.25 | 0 | 0 | 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 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | scal (50.0%) |
| ORR X26, XZR, X3 | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | scal (50.0%) |
| ADD X1, X0, #15 | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | scal (50.0%) |
| ADD X3, X22, #1 | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | scal (50.0%) |
| ADD X2, X21, #15 | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | scal (50.0%) |
| ADD X7, X27, #3360 | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | N/A |
| ORR W25, WZR, W5 | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | scal (25.0%) |
| AND X4, X1, #7932 | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | scal (50.0%) |
| ORR W20, WZR, W6 | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | scal (25.0%) |
| UBFM X5, X3, #62, #61 | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | scal (50.0%) |
| UBFM X6, X3, #61, #60 | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | scal (50.0%) |
| STR X7, [X29, #120] | 1 | 0 | 0 | 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%) |
| MOVZ W19, #0 | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | scal (25.0%) |
| AND X21, X2, #7932 | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | scal (50.0%) |
| STR X4, [X29, #128] | 1 | 0 | 0 | 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%) |
| SBFM X27, X28, #0, #31 | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | N/A |
| STR X5, [X29, #104] | 1 | 0 | 0 | 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 X6, [X29, #152] | 1 | 0 | 0 | 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%) |
| 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 | P15 | P16 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| uops | 0.50 | 0.50 | 3.67 | 3.67 | 3.67 | 3.67 | 3.67 | 3.67 | 0.00 | 0.00 | 0.00 | 0.00 | 6.50 | 6.50 | 0.00 | 6.50 | 6.50 |
| cycles | 0.50 | 0.50 | 3.67 | 3.67 | 3.67 | 3.67 | 3.67 | 3.67 | 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 | 57% |
| load | NA (no load vectorizable/vectorized instructions) |
| store | 71% |
| mul | NA (no mul vectorizable/vectorized instructions) |
| add-sub | 43% |
| fma | NA (no fma vectorizable/vectorized instructions) |
| div/sqrt | NA (no div/sqrt vectorizable/vectorized instructions) |
| other | 48% |
| Instruction | Nb FU | P0 | P1 | P2 | P3 | P4 | P5 | P6 | P7 | P8 | P9 | P10 | P11 | P12 | P13 | P14 | P15 | P16 | Latency | Recip. throughput | Vectorization |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| STP X29, X30, [SP, #816]! | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (100.0%) |
| ADD X29, SP, #0 | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | N/A |
| STP X19, X20, [SP, #16] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (100.0%) |
| STP X21, X22, [SP, #32] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (100.0%) |
| STP X23, X24, [SP, #48] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (100.0%) |
| STP X25, X26, [SP, #64] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (100.0%) |
| STP X27, X28, [SP, #80] | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0.50 | 0 | 0.50 | 0.50 | 1 | 0.50 | scal (100.0%) |
| STR X4, [X29, #112] | 1 | 0 | 0 | 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 W0, [X29, #140] | 1 | 0 | 0 | 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 X2, [X29, #160] | 1 | 0 | 0 | 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%) |
| CMP W0, #0 | 1 | 0 | 0 | 0.25 | 0.25 | 0 | 0 | 0.25 | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.33 | scal (25.0%) |
| B.LE 402544 <_Z7k_meansiP7point_tS0_PiS0_ii+0x360> | 1 | 0.50 | 0.50 | 0 | 0 | 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 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | scal (100.0%) |
| SBFM X0, X6, #62, #31 | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | scal (100.0%) |
| SUB W22, W6, #1 | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | scal (25.0%) |
| ORR W28, WZR, W6 | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | scal (25.0%) |
| ADRP X27, <200401224> | 1 | 0 | 0 | 0.25 | 0.25 | 0 | 0 | 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 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | scal (50.0%) |
| ORR X26, XZR, X3 | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | scal (50.0%) |
| ADD X1, X0, #15 | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | scal (50.0%) |
| ADD X3, X22, #1 | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | scal (50.0%) |
| ADD X2, X21, #15 | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | scal (50.0%) |
| ADD X7, X27, #3360 | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | N/A |
| ORR W25, WZR, W5 | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | scal (25.0%) |
| AND X4, X1, #7932 | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | scal (50.0%) |
| ORR W20, WZR, W6 | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | scal (25.0%) |
| UBFM X5, X3, #62, #61 | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | scal (50.0%) |
| UBFM X6, X3, #61, #60 | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | scal (50.0%) |
| STR X7, [X29, #120] | 1 | 0 | 0 | 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%) |
| MOVZ W19, #0 | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | scal (25.0%) |
| AND X21, X2, #7932 | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | scal (50.0%) |
| STR X4, [X29, #128] | 1 | 0 | 0 | 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%) |
| SBFM X27, X28, #0, #31 | 1 | 0 | 0 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0.17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.17 | N/A |
| STR X5, [X29, #104] | 1 | 0 | 0 | 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 X6, [X29, #152] | 1 | 0 | 0 | 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%) |
| HINT #0 | N/A | ||||||||||||||||||||
| HINT #0 | N/A |
| Run run_1_thread | Number processes: 1Number nodes: 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: 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: 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: 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: 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: 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: 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: 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 run_80_threads | Number processes: 1Number nodes: 1Run Command: <executable> input/100000000.in 1000 100000000 50 25MPI Command: Dataset: Run Directory: /home/fmusial/KMEANS_BenchmarksOMP_PROC_BIND: trueOMP_NUM_THREADS: 80 |
| Run run_96_threads | Number processes: 1Number nodes: 1Run Command: <executable> input/100000000.in 1000 100000000 50 25MPI Command: Dataset: Run Directory: /home/fmusial/KMEANS_BenchmarksOMP_PROC_BIND: trueOMP_NUM_THREADS: 96 |
| (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 (%) | (run_80_threads) Efficiency | (run_80_threads) Potential Speed-Up (%) | (run_96_threads) Efficiency | (run_96_threads) Potential Speed-Up (%) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 0 | 0.92 | 0.62 | 0.8 | 1.64 | 0.63 | 3.01 | 0.45 | 4.52 | 0.29 | 5.71 | 0.21 | 6.34 | 0.17 | 6.38 | 0.15 | 6.06 | 0.13 | 6.06 |
| Run | Number of threads | Efficiency (ideal is 1) | Speedup | Ideal Speedup | Time (s) | Coverage (%) |
|---|---|---|---|---|---|---|
| run_1_thread | 1 | 1 | 1 | 1 | 7.3900003433228 | 8.3103742599487 |
| run_2_threads | 1 | 0.92 | 1.85 | 2 | 7.3799996376038 | 8.2707605361938 |
| run_4_threads | 1 | 0.8 | 3.2 | 4 | 7.385000705719 | 8.2592420578003 |
| run_8_threads | 1 | 0.63 | 5.07 | 8 | 7.3949995040894 | 8.2294673919678 |
| run_16_threads | 1 | 0.45 | 7.17 | 16 | 7.4099998474121 | 8.1959953308105 |
| run_32_threads | 1 | 0.29 | 9.17 | 32 | 7.4049997329712 | 8.0071334838867 |
| run_48_threads | 1 | 0.21 | 10.02 | 48 | 7.4249987602234 | 8.0148983001709 |
| run_64_threads | 1 | 0.17 | 10.9 | 64 | 7.4250001907349 | 7.6923084259033 |
| run_80_threads | 1 | 0.15 | 12.02 | 80 | 7.4149971008301 | 7.129807472229 |
| run_96_threads | 1 | 0.13 | 12.52 | 96 | 7.4299998283386 | 6.9676933288574 |
| Name | Coverage (%) | Time (s) |
|---|---|---|
| ▼k_means(int, point_t*, point_t*, int*, point_t*, int, int)– | 8.31 | 7.39 |
| ▼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 | 8.31 | 7.39 |
