| Function: k_means(int, point_t*, point_t*, int*, point_t*, int, int) | Module: kmeans-gcc-O3-vectorize | Source: main.cpp:55-96 [...] | Coverage (incl. loops): 5.36% | (excl. loops): 0.00% |
|---|
| Function: k_means(int, point_t*, point_t*, int*, point_t*, int, int) | Module: kmeans-gcc-O3-vectorize | Source: main.cpp:55-96 [...] | Coverage (incl. loops): 5.36% | (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: } |
0x2b70 PUSH %RBP |
0x2b71 VMOVQ %RSI,%XMM1 |
0x2b76 VMOVD %R9D,%XMM4 |
0x2b7b VPINSRQ $0x1,%RDX,%XMM1,%XMM2 |
0x2b81 MOV %RSP,%RBP |
0x2b84 PUSH %R15 |
0x2b86 PUSH %R14 |
0x2b88 PUSH %R13 |
0x2b8a PUSH %R12 |
0x2b8c PUSH %RBX |
0x2b8d SUB $0xb8,%RSP |
0x2b94 MOV %RDX,-0xc0(%RBP) |
0x2b9b MOV %R8,-0xc8(%RBP) |
0x2ba2 MOV %FS:0x28,%R8 |
0x2bab MOV %R8,-0x38(%RBP) |
0x2baf MOV 0x10(%RBP),%R8D |
0x2bb3 VPINSRD $0x1,%R8D,%XMM4,%XMM3 |
0x2bb9 TEST %EDI,%EDI |
0x2bbb JLE 2df9 |
0x2bc1 LEA -0x1(%R8),%EAX |
0x2bc5 MOV %EDI,%R11D |
0x2bc8 MOVSXD %R8D,%R14 |
0x2bcb MOV %R8D,-0x68(%RBP) |
0x2bcf INC %RAX |
0x2bd2 LEA 0xf(,%R14,4),%RDX |
0x2bda MOVL $0,-0x64(%RBP) |
0x2be1 MOV %R9D,%R15D |
0x2be4 LEA (,%RAX,4),%RDI |
0x2bec SAL $0x3,%RAX |
0x2bf0 SHR $0x4,%RDX |
0x2bf4 MOV %R11D,-0xb4(%RBP) |
0x2bfb MOV %RAX,-0x78(%RBP) |
0x2bff LEA -0x60(%RBP),%RAX |
0x2c03 SAL $0x4,%RDX |
0x2c07 MOV %RCX,%R12 |
0x2c0a MOV %RAX,-0x98(%RBP) |
0x2c11 LEA 0xf(,%R14,8),%RAX |
0x2c19 SHR $0x4,%RAX |
0x2c1d MOV %RDI,-0xd0(%RBP) |
0x2c24 SAL $0x4,%RAX |
0x2c28 MOV %RDX,-0x88(%RBP) |
0x2c2f MOV %RAX,-0x90(%RBP) |
0x2c36 MOV %RSI,-0xd8(%RBP) |
0x2c3d VMOVDQA %XMM2,-0xb0(%RBP) |
0x2c45 VMOVQ %XMM3,-0xa0(%RBP) |
0x2c4d NOPL (%RAX) |
(5) 0x2c50 MOV -0xa0(%RBP),%RAX |
(5) 0x2c57 VMOVDQA -0xb0(%RBP),%XMM6 |
(5) 0x2c5f XOR %EDX,%EDX |
(5) 0x2c61 XOR %ECX,%ECX |
(5) 0x2c63 MOV -0x98(%RBP),%RSI |
(5) 0x2c6a LEA -0x3b1(%RIP),%RDI |
(5) 0x2c71 MOV %RSP,-0x70(%RBP) |
(5) 0x2c75 MOV %RAX,-0x48(%RBP) |
(5) 0x2c79 MOV %R12,-0x50(%RBP) |
(5) 0x2c7d VMOVDQA %XMM6,-0x60(%RBP) |
(5) 0x2c82 CALL 21b0 <GOMP_parallel@plt> |
(5) 0x2c87 MOV -0x88(%RBP),%RAX |
(5) 0x2c8e MOV 0x10(%RBP),%EDX |
(5) 0x2c91 SUB %RAX,%RSP |
(5) 0x2c94 MOV -0x90(%RBP),%RAX |
(5) 0x2c9b MOV %RSP,%RBX |
(5) 0x2c9e SUB %RAX,%RSP |
(5) 0x2ca1 MOV %RSP,%R13 |
(5) 0x2ca4 SUB %RAX,%RSP |
(5) 0x2ca7 INCL -0x64(%RBP) |
(5) 0x2caa MOV %RSP,%R11 |
(5) 0x2cad TEST %EDX,%EDX |
(5) 0x2caf JLE 2dd0 |
(5) 0x2cb5 MOV -0xd0(%RBP),%RDX |
(5) 0x2cbc XOR %ESI,%ESI |
(5) 0x2cbe MOV %RBX,%RDI |
(5) 0x2cc1 MOV %RSP,-0x80(%RBP) |
(5) 0x2cc5 CALL 20c0 <memset@plt> |
(5) 0x2cca MOV -0x78(%RBP),%RDX |
(5) 0x2cce XOR %ESI,%ESI |
(5) 0x2cd0 MOV %R13,%RDI |
(5) 0x2cd3 CALL 20c0 <memset@plt> |
(5) 0x2cd8 MOV -0x78(%RBP),%RDX |
(5) 0x2cdc MOV -0x80(%RBP),%RDI |
(5) 0x2ce0 XOR %ESI,%ESI |
(5) 0x2ce2 CALL 20c0 <memset@plt> |
(5) 0x2ce7 MOV %RAX,%R11 |
(5) 0x2cea TEST %R15D,%R15D |
(5) 0x2ced JLE 2d42 |
(5) 0x2cef MOV -0xd8(%RBP),%RSI |
(5) 0x2cf6 XOR %EDX,%EDX |
(5) 0x2cf8 NOPL (%RAX,%RAX,1) |
(4) 0x2d00 MOVSXD (%R12,%RDX,4),%RAX |
(4) 0x2d04 INC %RDX |
(4) 0x2d07 ADD $0x10,%RSI |
(4) 0x2d0b VMOVSD (%R13,%RAX,8),%XMM0 |
(4) 0x2d12 INCL (%RBX,%RAX,4) |
(4) 0x2d15 VADDSD -0x10(%RSI),%XMM0,%XMM0 |
(4) 0x2d1a VMOVSD %XMM0,(%R13,%RAX,8) |
(4) 0x2d21 VMOVSD (%R11,%RAX,8),%XMM0 |
(4) 0x2d27 VADDSD -0x8(%RSI),%XMM0,%XMM0 |
(4) 0x2d2c VMOVSD %XMM0,(%R11,%RAX,8) |
(4) 0x2d32 CMP %EDX,%R15D |
(4) 0x2d35 JG 2d00 |
(5) 0x2d37 MOV 0x10(%RBP),%EAX |
(5) 0x2d3a TEST %EAX,%EAX |
(5) 0x2d3c JLE 2de0 |
(5) 0x2d42 MOVSXD -0x68(%RBP),%RSI |
(5) 0x2d46 MOV -0xc8(%RBP),%RAX |
(5) 0x2d4d MOV -0xc0(%RBP),%RDX |
(5) 0x2d54 SAL $0x4,%RSI |
(5) 0x2d58 ADD %RAX,%RSI |
(5) 0x2d5b XOR %EAX,%EAX |
(5) 0x2d5d JMP 2d98 |
0x2d5f NOPW %CS:(%RAX,%RAX,1) |
0x2d6a NOPW %CS:(%RAX,%RAX,1) |
0x2d75 NOPW %CS:(%RAX,%RAX,1) |
(6) 0x2d80 VMOVUPD (%RDX),%XMM0 |
(6) 0x2d84 INC %RAX |
(6) 0x2d87 VMOVUPD %XMM0,(%RSI) |
(6) 0x2d8b ADD $0x10,%RDX |
(6) 0x2d8f ADD $0x10,%RSI |
(6) 0x2d93 CMP %RAX,%R14 |
(6) 0x2d96 JE 2de0 |
(6) 0x2d98 MOV (%RBX,%RAX,4),%ECX |
(6) 0x2d9b TEST %ECX,%ECX |
(6) 0x2d9d JE 2d80 |
(6) 0x2d9f VXORPD %XMM5,%XMM5,%XMM5 |
(6) 0x2da3 VMOVSD (%R13,%RAX,8),%XMM0 |
(6) 0x2daa VCVTSI2SD %ECX,%XMM5,%XMM1 |
(6) 0x2dae VDIVSD %XMM1,%XMM0,%XMM2 |
(6) 0x2db2 VMOVDDUP %XMM1,%XMM1 |
(6) 0x2db6 VMOVSD %XMM2,(%RDX) |
(6) 0x2dba VMOVHPD (%R11,%RAX,8),%XMM0,%XMM0 |
(6) 0x2dc0 VDIVPD %XMM1,%XMM0,%XMM0 |
(6) 0x2dc4 VMOVHPD %XMM0,0x8(%RDX) |
(6) 0x2dc9 JMP 2d84 |
0x2dcb NOPL (%RAX,%RAX,1) |
(5) 0x2dd0 TEST %R15D,%R15D |
(5) 0x2dd3 JG 2cef |
(5) 0x2dd9 NOPL (%RAX) |
(5) 0x2de0 MOV 0x10(%RBP),%EDI |
(5) 0x2de3 MOV -0x70(%RBP),%RSP |
(5) 0x2de7 ADD %EDI,-0x68(%RBP) |
(5) 0x2dea MOV -0x64(%RBP),%EDI |
(5) 0x2ded CMP %EDI,-0xb4(%RBP) |
(5) 0x2df3 JNE 2c50 |
0x2df9 MOV -0x38(%RBP),%RAX |
0x2dfd SUB %FS:0x28,%RAX |
0x2e06 JNE 2e17 |
0x2e08 LEA -0x28(%RBP),%RSP |
0x2e0c POP %RBX |
0x2e0d POP %R12 |
0x2e0f POP %R13 |
0x2e11 POP %R14 |
0x2e13 POP %R15 |
0x2e15 POP %RBP |
0x2e16 RET |
0x2e17 CALL 2130 <__stack_chk_fail@plt> |
0x2e1c NOPL (%RAX) |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:19 | kmeans-gcc-O3-vectorize |
| ○ | __libc_init_first | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | basic_string.h:809 | kmeans-gcc-O3-vectorize |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:19 | kmeans-gcc-O3-vectorize |
| ○ | __libc_init_first | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | basic_string.h:809 | kmeans-gcc-O3-vectorize |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:19 | kmeans-gcc-O3-vectorize |
| ○ | __libc_init_first | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | basic_string.h:809 | kmeans-gcc-O3-vectorize |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:19 | kmeans-gcc-O3-vectorize |
| ○ | __libc_init_first | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | basic_string.h:809 | kmeans-gcc-O3-vectorize |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:19 | kmeans-gcc-O3-vectorize |
| ○ | __libc_init_first | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | basic_string.h:809 | kmeans-gcc-O3-vectorize |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►96.41+ | main | main.cpp:19 | kmeans-gcc-O3-vectorize |
| ○ | __libc_init_first | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | basic_string.h:809 | kmeans-gcc-O3-vectorize |
| 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-vectorize |
| nb instructions | 63 |
| nb uops | 66 |
| loop length | 301 |
| used x86 registers | 15 |
| used mmx registers | 0 |
| used xmm registers | 4 |
| used ymm registers | 0 |
| used zmm registers | 0 |
| nb stack references | 17 |
| micro-operation queue | 16.50 cycles |
| front end | 16.50 cycles |
| P0 | P1 | P2 | P3 | P4 | P5 | P6 | P7 | |
|---|---|---|---|---|---|---|---|---|
| uops | 6.50 | 6.50 | 10.67 | 10.67 | 21.00 | 6.50 | 6.50 | 10.67 |
| cycles | 6.50 | 6.50 | 10.67 | 10.67 | 21.00 | 6.50 | 6.50 | 10.67 |
| Cycles executing div or sqrt instructions | NA |
| FE+BE cycles | 20.11 |
| Stall cycles | 3.43 |
| SB full (events) | 3.66 |
| Front-end | 16.50 |
| Dispatch | 21.00 |
| Overall L1 | 21.00 |
| all | 4% |
| load | NA (no load vectorizable/vectorized instructions) |
| store | 7% |
| 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 | 11% |
| load | NA (no load vectorizable/vectorized instructions) |
| store | 12% |
| mul | NA (no mul vectorizable/vectorized instructions) |
| add-sub | 12% |
| fma | NA (no fma vectorizable/vectorized instructions) |
| div/sqrt | NA (no div/sqrt vectorizable/vectorized instructions) |
| other | 9% |
| Instruction | Nb FU | P0 | P1 | P2 | P3 | P4 | P5 | P6 | P7 | Latency | Recip. throughput | Vectorization |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PUSH %RBP | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | N/A |
| VMOVQ %RSI,%XMM1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | scal (12.5%) |
| VMOVD %R9D,%XMM4 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 1 | scal (6.3%) |
| VPINSRQ $0x1,%RDX,%XMM1,%XMM2 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 3 | 2 | scal (12.5%) |
| MOV %RSP,%RBP | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | N/A |
| PUSH %R15 | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | N/A |
| PUSH %R14 | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | N/A |
| PUSH %R13 | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | N/A |
| PUSH %R12 | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | N/A |
| PUSH %RBX | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | N/A |
| SUB $0xb8,%RSP | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | scal (12.5%) |
| MOV %RDX,-0xc0(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| MOV %R8,-0xc8(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| MOV %FS:0x28,%R8 | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 4-5 | 0.50 | N/A |
| MOV %R8,-0x38(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| MOV 0x10(%RBP),%R8D | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 4-5 | 0.50 | N/A |
| VPINSRD $0x1,%R8D,%XMM4,%XMM3 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 3 | 2 | scal (6.3%) |
| TEST %EDI,%EDI | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | scal (6.3%) |
| JLE 2df9 <_Z7k_meansiP7point_tS0_PiS0_ii+0x289> | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0.50-1 | N/A |
| LEA -0x1(%R8),%EAX | 1 | 0 | 0.50 | 0 | 0 | 0 | 0.50 | 0 | 0 | 1 | 0.50 | N/A |
| MOV %EDI,%R11D | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | scal (6.3%) |
| MOVSXD %R8D,%R14 | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | N/A |
| MOV %R8D,-0x68(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (6.3%) |
| INC %RAX | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | N/A |
| LEA 0xf(,%R14,4),%RDX | 1 | 0 | 0.50 | 0 | 0 | 0 | 0.50 | 0 | 0 | 1 | 0.50 | N/A |
| MOVL $0,-0x64(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 2 | 1 | scal (6.3%) |
| MOV %R9D,%R15D | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | scal (6.3%) |
| LEA (,%RAX,4),%RDI | 1 | 0 | 0.50 | 0 | 0 | 0 | 0.50 | 0 | 0 | 1 | 0.50 | N/A |
| SAL $0x3,%RAX | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 1 | 0.50 | N/A |
| SHR $0x4,%RDX | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 1 | 0.50 | scal (12.5%) |
| MOV %R11D,-0xb4(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (6.3%) |
| MOV %RAX,-0x78(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| LEA -0x60(%RBP),%RAX | 1 | 0 | 0.50 | 0 | 0 | 0 | 0.50 | 0 | 0 | 1 | 0.50 | N/A |
| SAL $0x4,%RDX | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 1 | 0.50 | scal (12.5%) |
| MOV %RCX,%R12 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | scal (12.5%) |
| MOV %RAX,-0x98(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| LEA 0xf(,%R14,8),%RAX | 1 | 0 | 0.50 | 0 | 0 | 0 | 0.50 | 0 | 0 | 1 | 0.50 | N/A |
| SHR $0x4,%RAX | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 1 | 0.50 | N/A |
| MOV %RDI,-0xd0(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| SAL $0x4,%RAX | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 1 | 0.50 | N/A |
| MOV %RDX,-0x88(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| MOV %RAX,-0x90(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| MOV %RSI,-0xd8(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| VMOVDQA %XMM2,-0xb0(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 4 | 1 | vect (25.0%) |
| VMOVQ %XMM3,-0xa0(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| NOPL (%RAX) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | N/A |
| NOPW %CS:(%RAX,%RAX,1) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | N/A |
| NOPW %CS:(%RAX,%RAX,1) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | N/A |
| NOPW %CS:(%RAX,%RAX,1) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | N/A |
| NOPL (%RAX,%RAX,1) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | N/A |
| MOV -0x38(%RBP),%RAX | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 4-5 | 0.50 | N/A |
| SUB %FS:0x28,%RAX | 1 | 0.25 | 0.25 | 0.50 | 0.50 | 0 | 0.25 | 0.25 | 0 | 1 | 0.50 | N/A |
| JNE 2e17 <_Z7k_meansiP7point_tS0_PiS0_ii+0x2a7> | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0.50-1 | N/A |
| LEA -0x28(%RBP),%RSP | 1 | 0 | 0.50 | 0 | 0 | 0 | 0.50 | 0 | 0 | 1 | 0.50 | N/A |
| POP %RBX | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 2 | 0.50 | N/A |
| POP %R12 | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 2 | 0.50 | N/A |
| POP %R13 | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 2 | 0.50 | N/A |
| POP %R14 | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 2 | 0.50 | N/A |
| POP %R15 | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 2 | 0.50 | N/A |
| POP %RBP | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 2 | 0.50 | N/A |
| RET | 1 | 0 | 0 | 0.33 | 0.33 | 0 | 0 | 1 | 0.33 | 0 | 1 | N/A |
| CALL 2130 <__stack_chk_fail@plt> | 2 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 1 | 0.33 | 0 | 1 | N/A |
| NOPL (%RAX) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | 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-vectorize |
| nb instructions | 63 |
| nb uops | 66 |
| loop length | 301 |
| used x86 registers | 15 |
| used mmx registers | 0 |
| used xmm registers | 4 |
| used ymm registers | 0 |
| used zmm registers | 0 |
| nb stack references | 17 |
| micro-operation queue | 16.50 cycles |
| front end | 16.50 cycles |
| P0 | P1 | P2 | P3 | P4 | P5 | P6 | P7 | |
|---|---|---|---|---|---|---|---|---|
| uops | 6.50 | 6.50 | 10.67 | 10.67 | 21.00 | 6.50 | 6.50 | 10.67 |
| cycles | 6.50 | 6.50 | 10.67 | 10.67 | 21.00 | 6.50 | 6.50 | 10.67 |
| Cycles executing div or sqrt instructions | NA |
| FE+BE cycles | 20.11 |
| Stall cycles | 3.43 |
| SB full (events) | 3.66 |
| Front-end | 16.50 |
| Dispatch | 21.00 |
| Overall L1 | 21.00 |
| all | 4% |
| load | NA (no load vectorizable/vectorized instructions) |
| store | 7% |
| 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 | 11% |
| load | NA (no load vectorizable/vectorized instructions) |
| store | 12% |
| mul | NA (no mul vectorizable/vectorized instructions) |
| add-sub | 12% |
| fma | NA (no fma vectorizable/vectorized instructions) |
| div/sqrt | NA (no div/sqrt vectorizable/vectorized instructions) |
| other | 9% |
| Instruction | Nb FU | P0 | P1 | P2 | P3 | P4 | P5 | P6 | P7 | Latency | Recip. throughput | Vectorization |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PUSH %RBP | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | N/A |
| VMOVQ %RSI,%XMM1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | scal (12.5%) |
| VMOVD %R9D,%XMM4 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 1 | scal (6.3%) |
| VPINSRQ $0x1,%RDX,%XMM1,%XMM2 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 3 | 2 | scal (12.5%) |
| MOV %RSP,%RBP | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | N/A |
| PUSH %R15 | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | N/A |
| PUSH %R14 | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | N/A |
| PUSH %R13 | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | N/A |
| PUSH %R12 | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | N/A |
| PUSH %RBX | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | N/A |
| SUB $0xb8,%RSP | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | scal (12.5%) |
| MOV %RDX,-0xc0(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| MOV %R8,-0xc8(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| MOV %FS:0x28,%R8 | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 4-5 | 0.50 | N/A |
| MOV %R8,-0x38(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| MOV 0x10(%RBP),%R8D | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 4-5 | 0.50 | N/A |
| VPINSRD $0x1,%R8D,%XMM4,%XMM3 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 3 | 2 | scal (6.3%) |
| TEST %EDI,%EDI | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | scal (6.3%) |
| JLE 2df9 <_Z7k_meansiP7point_tS0_PiS0_ii+0x289> | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0.50-1 | N/A |
| LEA -0x1(%R8),%EAX | 1 | 0 | 0.50 | 0 | 0 | 0 | 0.50 | 0 | 0 | 1 | 0.50 | N/A |
| MOV %EDI,%R11D | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | scal (6.3%) |
| MOVSXD %R8D,%R14 | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | N/A |
| MOV %R8D,-0x68(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (6.3%) |
| INC %RAX | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | N/A |
| LEA 0xf(,%R14,4),%RDX | 1 | 0 | 0.50 | 0 | 0 | 0 | 0.50 | 0 | 0 | 1 | 0.50 | N/A |
| MOVL $0,-0x64(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 2 | 1 | scal (6.3%) |
| MOV %R9D,%R15D | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | scal (6.3%) |
| LEA (,%RAX,4),%RDI | 1 | 0 | 0.50 | 0 | 0 | 0 | 0.50 | 0 | 0 | 1 | 0.50 | N/A |
| SAL $0x3,%RAX | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 1 | 0.50 | N/A |
| SHR $0x4,%RDX | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 1 | 0.50 | scal (12.5%) |
| MOV %R11D,-0xb4(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (6.3%) |
| MOV %RAX,-0x78(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| LEA -0x60(%RBP),%RAX | 1 | 0 | 0.50 | 0 | 0 | 0 | 0.50 | 0 | 0 | 1 | 0.50 | N/A |
| SAL $0x4,%RDX | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 1 | 0.50 | scal (12.5%) |
| MOV %RCX,%R12 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | scal (12.5%) |
| MOV %RAX,-0x98(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| LEA 0xf(,%R14,8),%RAX | 1 | 0 | 0.50 | 0 | 0 | 0 | 0.50 | 0 | 0 | 1 | 0.50 | N/A |
| SHR $0x4,%RAX | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 1 | 0.50 | N/A |
| MOV %RDI,-0xd0(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| SAL $0x4,%RAX | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 1 | 0.50 | N/A |
| MOV %RDX,-0x88(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| MOV %RAX,-0x90(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| MOV %RSI,-0xd8(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| VMOVDQA %XMM2,-0xb0(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 4 | 1 | vect (25.0%) |
| VMOVQ %XMM3,-0xa0(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| NOPL (%RAX) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | N/A |
| NOPW %CS:(%RAX,%RAX,1) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | N/A |
| NOPW %CS:(%RAX,%RAX,1) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | N/A |
| NOPW %CS:(%RAX,%RAX,1) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | N/A |
| NOPL (%RAX,%RAX,1) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | N/A |
| MOV -0x38(%RBP),%RAX | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 4-5 | 0.50 | N/A |
| SUB %FS:0x28,%RAX | 1 | 0.25 | 0.25 | 0.50 | 0.50 | 0 | 0.25 | 0.25 | 0 | 1 | 0.50 | N/A |
| JNE 2e17 <_Z7k_meansiP7point_tS0_PiS0_ii+0x2a7> | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0.50-1 | N/A |
| LEA -0x28(%RBP),%RSP | 1 | 0 | 0.50 | 0 | 0 | 0 | 0.50 | 0 | 0 | 1 | 0.50 | N/A |
| POP %RBX | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 2 | 0.50 | N/A |
| POP %R12 | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 2 | 0.50 | N/A |
| POP %R13 | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 2 | 0.50 | N/A |
| POP %R14 | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 2 | 0.50 | N/A |
| POP %R15 | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 2 | 0.50 | N/A |
| POP %RBP | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 2 | 0.50 | N/A |
| RET | 1 | 0 | 0 | 0.33 | 0.33 | 0 | 0 | 1 | 0.33 | 0 | 1 | N/A |
| CALL 2130 <__stack_chk_fail@plt> | 2 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 1 | 0.33 | 0 | 1 | N/A |
| NOPL (%RAX) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | 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: closeOMP_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: closeOMP_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: closeOMP_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: closeOMP_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: closeOMP_NUM_THREADS: 16 |
| Run run_26_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: closeOMP_NUM_THREADS: 26 |
| (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_26_threads) Efficiency | (run_26_threads) Potential Speed-Up (%) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 0 | 0.95 | 0.25 | 0.87 | 0.69 | 0.74 | 1.34 | 0.58 | 2.16 | 0.46 | 2.71 |
| Run | Number of threads | Efficiency (ideal is 1) | Speedup | Ideal Speedup | Time (s) | Coverage (%) |
|---|---|---|---|---|---|---|
| run_1_thread | 1 | 1 | 1 | 1 | 10.880000114441 | 5.3589463233948 |
| run_2_threads | 1 | 0.95 | 1.91 | 2 | 10.874999046326 | 5.3188891410828 |
| run_4_threads | 1 | 0.87 | 3.48 | 4 | 10.874999046326 | 5.2873396873474 |
| run_8_threads | 1 | 0.74 | 5.95 | 8 | 10.865000724792 | 5.2295918464661 |
| run_16_threads | 1 | 0.58 | 9.26 | 16 | 10.869999885559 | 5.123854637146 |
| run_26_threads | 1 | 0.46 | 11.9 | 26 | 10.869998931885 | 4.9960932731628 |
| Name | Coverage (%) | Time (s) |
|---|---|---|
| ▼k_means(int, point_t*, point_t*, int*, point_t*, int, int)– | 5.36 | 10.88 |
| ▼Loop 5 - main.cpp:56-95 - kmeans-gcc-O3-vectorize– | 0.00 | 0.00 |
| ○Loop 4 - main.cpp:81-84 - kmeans-gcc-O3-vectorize | 5.36 | 10.88 |
| ○Loop 6 - main.cpp:86-92 - kmeans-gcc-O3-vectorize | 0.00 | 0.00 |
