| Function: k_means(int, point_t*, point_t*, int*, point_t*, int, int) | Module: kmeans-gcc-O3 | Source: main.cpp:55-96 [...] | Coverage (incl. loops): 7.72% | (excl. loops): 0.00% |
|---|
| Function: k_means(int, point_t*, point_t*, int*, point_t*, int, int) | Module: kmeans-gcc-O3 | Source: main.cpp:55-96 [...] | Coverage (incl. loops): 7.72% | (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: } |
0x401dec STP X29, X30, [SP, #816]! |
0x401df0 ADD X29, SP, #0 |
0x401df4 STP X19, X20, [SP, #16] |
0x401df8 STP X21, X22, [SP, #32] |
0x401dfc STP X23, X24, [SP, #48] |
0x401e00 STP X25, X26, [SP, #64] |
0x401e04 STP X27, X28, [SP, #80] |
0x401e08 STR X4, [X29, #112] |
0x401e0c STR W0, [X29, #140] |
0x401e10 STR X1, [X29, #160] |
0x401e14 CMP W0, #0 |
0x401e18 B.LE 401fb8 |
0x401e1c SBFM X0, X6, #62, #31 |
0x401e20 SUB W22, W6, #1 |
0x401e24 ADD X1, X0, #15 |
0x401e28 ADRP X0, 401e28 |
0x401e2c AND X1, X1, #7932 |
0x401e30 ADD X0, X0, #2976 |
0x401e34 ADD X22, X22, #1 |
0x401e38 SBFM X21, X6, #61, #31 |
0x401e3c STP X0, X1, [X29, #120] |
0x401e40 UBFM X1, X22, #62, #61 |
0x401e44 ADD X21, X21, #15 |
0x401e48 ORR X24, XZR, X2 |
0x401e4c ORR X27, XZR, X3 |
0x401e50 ORR W26, WZR, W5 |
0x401e54 ORR W28, WZR, W6 |
0x401e58 MOVZ W19, #0 |
0x401e5c AND X21, X21, #7932 |
0x401e60 STR X1, [X29, #104] |
0x401e64 SBFM X25, X6, #0, #31 |
0x401e68 UBFM X1, X22, #61, #60 |
0x401e6c ORR W20, WZR, W6 |
0x401e70 STR X1, [X29, #152] |
0x401e74 HINT #0 |
0x401e78 HINT #0 |
0x401e7c HINT #0 |
(12) 0x401e80 LDR X0, [X29, #160] |
(12) 0x401e84 ADD X4, SP, #0 |
(12) 0x401e88 MOVZ W3, #0 |
(12) 0x401e8c MOVZ W2, #0 |
(12) 0x401e90 ADD X1, X29, #176 |
(12) 0x401e94 STR X27, [X29, #192] |
(12) 0x401e98 STR X4, [X29, #168] |
(12) 0x401e9c ADD W19, W19, #1 |
(12) 0x401ea0 STP W26, W28, [X29, #200] |
(12) 0x401ea4 STP X0, X24, [X29, #176] |
(12) 0x401ea8 LDR X0, [X29, #120] |
(12) 0x401eac BL 4016b0 |
(12) 0x401eb0 LDR X0, [X29, #128] |
(12) 0x401eb4 SUB SP, SP, X0,UXTX |
(12) 0x401eb8 ADD X7, SP, #0 |
(12) 0x401ebc SUB SP, SP, X21,UXTX |
(12) 0x401ec0 ADD X22, SP, #0 |
(12) 0x401ec4 SUB SP, SP, X21,UXTX |
(12) 0x401ec8 ADD X23, SP, #0 |
(12) 0x401ecc CMP W28, #0 |
(12) 0x401ed0 B.LE 402020 |
(12) 0x401ed4 LDR X2, [X29, #104] |
(12) 0x401ed8 ORR X0, XZR, X7 |
(12) 0x401edc MOVZ W1, #0 |
(12) 0x401ee0 STR X7, [X29, #144] |
(12) 0x401ee4 BL 4015e0 |
(12) 0x401ee8 LDR X2, [X29, #152] |
(12) 0x401eec MOVZ W1, #0 |
(12) 0x401ef0 ORR X0, XZR, X22 |
(12) 0x401ef4 BL 4015e0 |
(12) 0x401ef8 LDR X2, [X29, #152] |
(12) 0x401efc ADD X0, SP, #0 |
(12) 0x401f00 MOVZ W1, #0 |
(12) 0x401f04 BL 4015e0 |
(12) 0x401f08 CMP W26, #0 |
(12) 0x401f0c LDR X7, [X29, #144] |
(12) 0x401f10 B.LE 401f64 |
(12) 0x401f14 LDR X2, [X29, #160] |
(12) 0x401f18 MOVZ X1, #0 |
(12) 0x401f1c HINT #0 |
(11) 0x401f20 LDR W0, [X27, X1,LSL #2] |
(11) 0x401f24 ADD X1, X1, #1 |
(11) 0x401f28 LDP D28, D30, [X2], #16 |
(11) 0x401f2c LDR D29, [X22, X0,SXTW #3] |
(11) 0x401f30 SBFM X11, X0, #62, #31 |
(11) 0x401f34 LDR D31, [X23, X0,SXTW #3] |
(11) 0x401f38 LDR W4, [X7, X11] |
(11) 0x401f3c FADD D28, D29, D28 |
(11) 0x401f40 FADD D30, D31, D30 |
(11) 0x401f44 ADD W4, W4, #1 |
(11) 0x401f48 STR W4, [X7, X11] |
(11) 0x401f4c STR D28, [X22, X0,SXTW #3] |
(11) 0x401f50 STR D30, [X23, X0,SXTW #3] |
(11) 0x401f54 CMP W26, W1 |
(11) 0x401f58 B.GT 401f20 |
(12) 0x401f5c CMP W28, #0 |
(12) 0x401f60 B.LE 401fa0 |
(10) 0x401f64 MOVZ X0, #0 |
(10) 0x401f68 ADD X2, X24, #8 |
(10) 0x401f6c LDR X1, [X29, #112] |
(10) 0x401f70 ADD X1, X1, W20,UXTW #4 |
(10) 0x401f74 HINT #0 |
(10) 0x401f78 HINT #0 |
(10) 0x401f7c HINT #0 |
(10) 0x401f80 LDR W4, [X7, X0,LSL #2] |
(10) 0x401f84 CBNZ W4, 401fd8 |
(10) 0x401f88 LDUR D31, [X2, #504] |
(10) 0x401f8c ADD X0, X0, #1 |
(10) 0x401f90 LDR D30, [X2], #16 |
(10) 0x401f94 STP D31, D30, [X1], #16 |
(10) 0x401f98 CMP X25, X0 |
(10) 0x401f9c B.NE 401f80 |
(12) 0x401fa0 LDR X0, [X29, #168] |
(12) 0x401fa4 ADD W20, W20, W28 |
(12) 0x401fa8 ADD SP, X0, #0 |
(12) 0x401fac LDR W0, [X29, #140] |
(12) 0x401fb0 CMP W0, W19 |
(12) 0x401fb4 B.NE 401e80 |
(13) 0x401fb8 ADD SP, X29, #0 |
(13) 0x401fbc LDP X19, X20, [SP, #16] |
(13) 0x401fc0 LDP X21, X22, [SP, #32] |
(13) 0x401fc4 LDP X23, X24, [SP, #48] |
(13) 0x401fc8 LDP X25, X26, [SP, #64] |
(13) 0x401fcc LDP X27, X28, [SP, #80] |
(13) 0x401fd0 LDP X29, X30, [SP], #208 |
(13) 0x401fd4 RET |
(9) 0x401fd8 LDR D26, [X22, X0,LSL #3] |
(9) 0x401fdc SCVTF D27, W4 |
(9) 0x401fe0 FDIV D26, D26, D27 |
(9) 0x401fe4 STUR D26, [X2, #504] |
(9) 0x401fe8 LDR D25, [X23, X0,LSL #3] |
(9) 0x401fec ADD X0, X0, #1 |
(9) 0x401ff0 FDIV D25, D25, D27 |
(9) 0x401ff4 STR D25, [X2], #16 |
(9) 0x401ff8 STP D26, D25, [X1], #16 |
(9) 0x401ffc CMP X25, X0 |
(9) 0x402000 B.NE 401f80 |
(9) 0x402004 LDR X0, [X29, #168] |
(9) 0x402008 ADD W20, W20, W28 |
(9) 0x40200c ADD SP, X0, #0 |
(9) 0x402010 LDR W0, [X29, #140] |
(9) 0x402014 CMP W0, W19 |
(9) 0x402018 B.NE 401e80 |
(13) 0x40201c B 401fb8 |
(12) 0x402020 CMP W26, #0 |
(12) 0x402024 B.GT 401f14 |
(12) 0x402028 B 401fa0 |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:18 | kmeans-gcc-O3 |
| ○ | __libc_start_call_main | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | new_allocator.h:104 | kmeans-gcc-O3 |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:18 | kmeans-gcc-O3 |
| ○ | __libc_start_call_main | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | new_allocator.h:104 | kmeans-gcc-O3 |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:18 | kmeans-gcc-O3 |
| ○ | __libc_start_call_main | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | new_allocator.h:104 | kmeans-gcc-O3 |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:18 | kmeans-gcc-O3 |
| ○ | __libc_start_call_main | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | new_allocator.h:104 | kmeans-gcc-O3 |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:18 | kmeans-gcc-O3 |
| ○ | __libc_start_call_main | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | new_allocator.h:104 | kmeans-gcc-O3 |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:18 | kmeans-gcc-O3 |
| ○ | __libc_start_call_main | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | new_allocator.h:104 | kmeans-gcc-O3 |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:18 | kmeans-gcc-O3 |
| ○ | __libc_start_call_main | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | new_allocator.h:104 | kmeans-gcc-O3 |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:18 | kmeans-gcc-O3 |
| ○ | __libc_start_call_main | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | new_allocator.h:104 | kmeans-gcc-O3 |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:18 | kmeans-gcc-O3 |
| ○ | __libc_start_call_main | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | new_allocator.h:104 | kmeans-gcc-O3 |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:18 | kmeans-gcc-O3 |
| ○ | __libc_start_call_main | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | new_allocator.h:104 | kmeans-gcc-O3 |
| 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 |
| nb instructions | 37 |
| nb uops | 34 |
| loop length | 148 |
| used w registers | 9 |
| used x registers | 19 |
| 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 | 4.25 cycles |
| front end | 4.25 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 | 6.00 | 6.00 | 0.00 | 6.00 | 6.00 |
| 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 | 6.00 | 6.00 | 0.00 | 6.00 | 6.00 |
| Cycles executing div or sqrt instructions | NA |
| Front-end | 4.25 |
| Dispatch | 6.00 |
| Overall L1 | 6.00 |
| 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 | 59% |
| load | NA (no load vectorizable/vectorized instructions) |
| store | 77% |
| mul | NA (no mul vectorizable/vectorized instructions) |
| add-sub | 45% |
| fma | NA (no fma vectorizable/vectorized instructions) |
| div/sqrt | NA (no div/sqrt vectorizable/vectorized instructions) |
| other | 47% |
| 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 X1, [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 401fb8 <_Z7k_meansiP7point_tS0_PiS0_ii+0x1cc> | 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 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%) |
| 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%) |
| ADRP X0, 401e28 <_Z7k_meansiP7point_tS0_PiS0_ii+0x3c> | 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 | scal (50.0%) |
| AND X1, 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%) |
| ADD X0, X0, #2976 | 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 X22, 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%) |
| 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 | N/A |
| STP X0, X1, [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 (100.0%) |
| UBFM X1, X22, #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%) |
| ADD X21, 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 | N/A |
| ORR X24, XZR, X2 | 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 X27, 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%) |
| ORR W26, 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%) |
| 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%) |
| 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, X21, #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 | N/A |
| STR X1, [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%) |
| SBFM X25, X6, #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 | scal (100.0%) |
| UBFM X1, X22, #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%) |
| 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%) |
| STR X1, [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 | ||||||||||||||||||||
| 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 |
| nb instructions | 37 |
| nb uops | 34 |
| loop length | 148 |
| used w registers | 9 |
| used x registers | 19 |
| 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 | 4.25 cycles |
| front end | 4.25 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 | 6.00 | 6.00 | 0.00 | 6.00 | 6.00 |
| 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 | 6.00 | 6.00 | 0.00 | 6.00 | 6.00 |
| Cycles executing div or sqrt instructions | NA |
| Front-end | 4.25 |
| Dispatch | 6.00 |
| Overall L1 | 6.00 |
| 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 | 59% |
| load | NA (no load vectorizable/vectorized instructions) |
| store | 77% |
| mul | NA (no mul vectorizable/vectorized instructions) |
| add-sub | 45% |
| fma | NA (no fma vectorizable/vectorized instructions) |
| div/sqrt | NA (no div/sqrt vectorizable/vectorized instructions) |
| other | 47% |
| 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 X1, [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 401fb8 <_Z7k_meansiP7point_tS0_PiS0_ii+0x1cc> | 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 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%) |
| 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%) |
| ADRP X0, 401e28 <_Z7k_meansiP7point_tS0_PiS0_ii+0x3c> | 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 | scal (50.0%) |
| AND X1, 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%) |
| ADD X0, X0, #2976 | 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 X22, 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%) |
| 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 | N/A |
| STP X0, X1, [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 (100.0%) |
| UBFM X1, X22, #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%) |
| ADD X21, 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 | N/A |
| ORR X24, XZR, X2 | 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 X27, 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%) |
| ORR W26, 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%) |
| 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%) |
| 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, X21, #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 | N/A |
| STR X1, [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%) |
| SBFM X25, X6, #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 | scal (100.0%) |
| UBFM X1, X22, #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%) |
| 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%) |
| STR X1, [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 | ||||||||||||||||||||
| 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 | 0.58 | 0.8 | 1.52 | 0.65 | 2.66 | 0.48 | 3.88 | 0.3 | 5.13 | 0.23 | 5.37 | 0.18 | 5.76 | 0.15 | 5.78 | 0.14 | 5.53 |
| Run | Number of threads | Efficiency (ideal is 1) | Speedup | Ideal Speedup | Time (s) | Coverage (%) |
|---|---|---|---|---|---|---|
| run_1_thread | 1 | 1 | 1 | 1 | 7.3949990272522 | 7.724045753479 |
| run_2_threads | 1 | 0.92 | 1.85 | 2 | 7.3749990463257 | 7.6160469055176 |
| run_4_threads | 1 | 0.8 | 3.2 | 4 | 7.4049987792969 | 7.5898132324219 |
| run_8_threads | 1 | 0.65 | 5.21 | 8 | 7.3849983215332 | 7.6366267204285 |
| run_16_threads | 1 | 0.48 | 7.65 | 16 | 7.4000005722046 | 7.4356918334961 |
| run_32_threads | 1 | 0.3 | 9.72 | 32 | 7.4249997138977 | 7.3686289787292 |
| run_48_threads | 1 | 0.23 | 11.14 | 48 | 7.4400000572205 | 6.9964265823364 |
| run_64_threads | 1 | 0.18 | 11.6 | 64 | 7.4500002861023 | 7.0329465866089 |
| run_80_threads | 1 | 0.15 | 12.37 | 80 | 7.4699997901917 | 6.8387804031372 |
| run_96_threads | 1 | 0.14 | 13.39 | 96 | 7.4649991989136 | 6.4253740310669 |
| Name | Coverage (%) | Time (s) |
|---|---|---|
| ▼k_means(int, point_t*, point_t*, int*, point_t*, int, int)– | 7.72 | 7.39 |
| ▼Loop 13 - main.cpp:56-96 - kmeans-gcc-O3– | 0.00 | 0.00 |
| ▼Loop 9 - main.cpp:56-95 - kmeans-gcc-O3– | 0.00 | 0.00 |
| ▼Loop 10 - main.cpp:56-95 - kmeans-gcc-O3– | 0.00 | 0.00 |
| ▼Loop 12 - main.cpp:56-95 - kmeans-gcc-O3– | 0.00 | 0.00 |
| ○Loop 11 - main.cpp:81-84 - kmeans-gcc-O3 | 7.72 | 7.39 |
