| Function: k_means(int, point_t*, point_t*, int*, point_t*, int, int) | Module: kmeans-clang-O3 | Source: main.cpp:67-108 [...] | Coverage (incl. loops): 5.75% | (excl. loops): 0.00% |
|---|
| Function: k_means(int, point_t*, point_t*, int*, point_t*, int, int) | Module: kmeans-clang-O3 | Source: main.cpp:67-108 [...] | Coverage (incl. loops): 5.75% | (excl. loops): 0.00% |
|---|
/home/fmusial/KMEANS_Benchmarks/kmeans/main.cpp: 67 - 108 |
-------------------------------------------------------------------------------- |
67: void k_means(int niters, point_t *points, point_t *centroids, int *assignment, point_t* memory, int n, int k) { |
68: for (int iter = 0; iter < niters; ++iter) { |
69: // determine nearest centroids |
70: #pragma omp parallel for |
[...] |
85: int count[k]; |
86: double sum_x[k]; |
87: double sum_y[k]; |
88: for (int j = 0; j < k; ++j) { |
89: count[j] = 0; |
90: sum_x[j] = 0.; |
91: sum_y[j] = 0.; |
92: } |
93: for (int i = 0; i < n; ++i) { |
94: count[assignment[i]]++; |
95: sum_x[assignment[i]] += points[i].x; |
96: sum_y[assignment[i]] += points[i].y; |
97: } |
98: for (int j = 0; j < k; ++j) { |
99: if (count[j] != 0) { |
100: centroids[j].x = sum_x[j] / count[j]; |
101: centroids[j].y = sum_y[j] / count[j]; |
102: } |
103: // save centroids to memory |
104: memory[(iter + 1) * k + j].x = centroids[j].x; |
105: memory[(iter + 1) * k + j].y = centroids[j].y; |
106: } |
107: } |
108: } |
0x27e0 PUSH %RBP |
0x27e1 MOV %RSP,%RBP |
0x27e4 PUSH %R15 |
0x27e6 PUSH %R14 |
0x27e8 PUSH %R13 |
0x27ea PUSH %R12 |
0x27ec PUSH %RBX |
0x27ed SUB $0x58,%RSP |
0x27f1 MOV %R8,-0x58(%RBP) |
0x27f5 MOV %FS:0x28,%RAX |
0x27fe MOV %RAX,-0x30(%RBP) |
0x2802 MOV %RSI,-0x38(%RBP) |
0x2806 MOV %RDX,-0x40(%RBP) |
0x280a MOV %RCX,-0x48(%RBP) |
0x280e MOV %R9D,-0x4c(%RBP) |
0x2812 MOV %EDI,-0x5c(%RBP) |
0x2815 TEST %EDI,%EDI |
0x2817 JLE 2cac |
0x281d MOV -0x58(%RBP),%RAX |
0x2821 ADD $0x10,%RAX |
0x2825 MOV %RAX,-0x70(%RBP) |
0x2829 MOV $0x1,%EBX |
0x282e XOR %R10D,%R10D |
0x2831 JMP 2852 |
0x2833 NOPW %CS:(%RAX,%RAX,1) |
(4) 0x2840 INC %R10D |
(4) 0x2843 MOV %R11,%RSP |
(4) 0x2846 INC %EBX |
(4) 0x2848 CMP -0x5c(%RBP),%R10D |
(4) 0x284c JE 2cac |
(4) 0x2852 MOV %R10D,-0x64(%RBP) |
(4) 0x2856 LEA 0x351b(%RIP),%RDI |
(4) 0x285d MOV $0x5,%ESI |
(4) 0x2862 LEA 0x477(%RIP),%RDX |
(4) 0x2869 LEA -0x4c(%RBP),%RCX |
(4) 0x286d LEA 0x10(%RBP),%R8 |
(4) 0x2871 LEA -0x38(%RBP),%R9 |
(4) 0x2875 XOR %EAX,%EAX |
(4) 0x2877 LEA -0x48(%RBP),%R10 |
(4) 0x287b PUSH %R10 |
(4) 0x287d LEA -0x40(%RBP),%R10 |
(4) 0x2881 PUSH %R10 |
(4) 0x2883 VZEROUPPER |
(4) 0x2886 CALL 2200 <__kmpc_fork_call@plt> |
(4) 0x288b ADD $0x10,%RSP |
(4) 0x288f MOV %RSP,%R11 |
(4) 0x2892 MOV 0x10(%RBP),%EAX |
(4) 0x2895 MOV %RSP,%R13 |
(4) 0x2898 LEA 0xf(,%RAX,4),%RAX |
(4) 0x28a0 AND $-0x10,%RAX |
(4) 0x28a4 SUB %RAX,%R13 |
(4) 0x28a7 MOV %R13,%RSP |
(4) 0x28aa MOV 0x10(%RBP),%R14D |
(4) 0x28ae MOV %RSP,%R15 |
(4) 0x28b1 LEA 0xf(,%R14,8),%RAX |
(4) 0x28b9 AND $-0x10,%RAX |
(4) 0x28bd SUB %RAX,%R15 |
(4) 0x28c0 MOV %R15,%RSP |
(4) 0x28c3 MOV %RSP,%R12 |
(4) 0x28c6 SUB %RAX,%R12 |
(4) 0x28c9 MOV %R12,%RSP |
(4) 0x28cc TEST %R14D,%R14D |
(4) 0x28cf JLE 2913 |
(4) 0x28d1 LEA (,%R14,4),%RDX |
(4) 0x28d9 MOV %R13,%RDI |
(4) 0x28dc XOR %ESI,%ESI |
(4) 0x28de MOV %R11,-0x78(%RBP) |
(4) 0x28e2 CALL 20a0 <memset@plt> |
(4) 0x28e7 MOV %EBX,-0x60(%RBP) |
(4) 0x28ea LEA (,%R14,8),%RBX |
(4) 0x28f2 MOV %R15,%RDI |
(4) 0x28f5 XOR %ESI,%ESI |
(4) 0x28f7 MOV %RBX,%RDX |
(4) 0x28fa CALL 20a0 <memset@plt> |
(4) 0x28ff MOV %R12,%RDI |
(4) 0x2902 XOR %ESI,%ESI |
(4) 0x2904 MOV %RBX,%RDX |
(4) 0x2907 MOV -0x60(%RBP),%EBX |
(4) 0x290a CALL 20a0 <memset@plt> |
(4) 0x290f MOV -0x78(%RBP),%R11 |
(4) 0x2913 MOVSXD -0x4c(%RBP),%RCX |
(4) 0x2917 TEST %RCX,%RCX |
(4) 0x291a VPMOVSXBQ 0x175d(%RIP),%YMM7 |
(4) 0x2923 VPMOVSXBQ 0x1758(%RIP),%YMM8 |
(4) 0x292c VPBROADCASTQ 0x16db(%RIP),%YMM9 |
(4) 0x2935 MOV -0x64(%RBP),%R10D |
(4) 0x2939 JLE 29fc |
(4) 0x293f MOV -0x48(%RBP),%RDX |
(4) 0x2943 MOV -0x38(%RBP),%RAX |
(4) 0x2947 CMP $0x1,%ECX |
(4) 0x294a JNE 2950 |
(4) 0x294c XOR %ESI,%ESI |
(4) 0x294e JMP 29c7 |
(4) 0x2950 MOV %ECX,%EDI |
(4) 0x2952 AND $0x7ffffffe,%EDI |
(4) 0x2958 LEA 0x18(%RAX),%R8 |
(4) 0x295c XOR %ESI,%ESI |
(4) 0x295e XCHG %AX,%AX |
(7) 0x2960 MOVSXD (%RDX,%RSI,4),%R9 |
(7) 0x2964 INCL (%R13,%R9,4) |
(7) 0x2969 VMOVSD -0x18(%R8),%XMM0 |
(7) 0x296f VADDSD (%R15,%R9,8),%XMM0,%XMM0 |
(7) 0x2975 VMOVSD %XMM0,(%R15,%R9,8) |
(7) 0x297b VMOVSD -0x10(%R8),%XMM0 |
(7) 0x2981 VADDSD (%R12,%R9,8),%XMM0,%XMM0 |
(7) 0x2987 VMOVSD %XMM0,(%R12,%R9,8) |
(7) 0x298d MOVSXD 0x4(%RDX,%RSI,4),%R9 |
(7) 0x2992 INCL (%R13,%R9,4) |
(7) 0x2997 VMOVSD -0x8(%R8),%XMM0 |
(7) 0x299d VADDSD (%R15,%R9,8),%XMM0,%XMM0 |
(7) 0x29a3 VMOVSD %XMM0,(%R15,%R9,8) |
(7) 0x29a9 VMOVSD (%R8),%XMM0 |
(7) 0x29ae VADDSD (%R12,%R9,8),%XMM0,%XMM0 |
(7) 0x29b4 VMOVSD %XMM0,(%R12,%R9,8) |
(7) 0x29ba ADD $0x2,%RSI |
(7) 0x29be ADD $0x20,%R8 |
(7) 0x29c2 CMP %RSI,%RDI |
(7) 0x29c5 JNE 2960 |
(4) 0x29c7 TEST $0x1,%CL |
(4) 0x29ca JE 29fc |
(4) 0x29cc MOVSXD (%RDX,%RSI,4),%RCX |
(4) 0x29d0 INCL (%R13,%RCX,4) |
(4) 0x29d5 SAL $0x4,%RSI |
(4) 0x29d9 VMOVSD (%RAX,%RSI,1),%XMM0 |
(4) 0x29de VADDSD (%R15,%RCX,8),%XMM0,%XMM0 |
(4) 0x29e4 VMOVSD %XMM0,(%R15,%RCX,8) |
(4) 0x29ea VMOVSD 0x8(%RAX,%RSI,1),%XMM0 |
(4) 0x29f0 VADDSD (%R12,%RCX,8),%XMM0,%XMM0 |
(4) 0x29f6 VMOVSD %XMM0,(%R12,%RCX,8) |
(4) 0x29fc TEST %R14D,%R14D |
(4) 0x29ff JLE 2840 |
(4) 0x2a05 MOV -0x40(%RBP),%RAX |
(4) 0x2a09 INC %R10D |
(4) 0x2a0c MOV %R14D,%ECX |
(4) 0x2a0f IMUL %R10D,%ECX |
(4) 0x2a13 CMP $0xc,%R14D |
(4) 0x2a17 JB 2a3c |
(4) 0x2a19 MOV %R14,%RDX |
(4) 0x2a1c SAL $0x4,%RDX |
(4) 0x2a20 MOV %RCX,%RSI |
(4) 0x2a23 SAL $0x4,%RSI |
(4) 0x2a27 ADD -0x58(%RBP),%RSI |
(4) 0x2a2b LEA (%RSI,%RDX,1),%RDI |
(4) 0x2a2f CMP %RDI,%RAX |
(4) 0x2a32 JAE 2a81 |
(4) 0x2a34 ADD %RAX,%RDX |
(4) 0x2a37 CMP %RDX,%RSI |
(4) 0x2a3a JAE 2a81 |
(4) 0x2a3c XOR %EDX,%EDX |
(4) 0x2a3e MOV %RDX,%RDI |
(4) 0x2a41 TEST $0x1,%R14B |
(4) 0x2a45 JE 2ba0 |
(4) 0x2a4b MOV (%R13,%RDX,4),%ESI |
(4) 0x2a50 TEST %ESI,%ESI |
(4) 0x2a52 JE 2b79 |
(4) 0x2a58 VCVTSI2SD %ESI,%XMM10,%XMM0 |
(4) 0x2a5c MOV %RDX,%RSI |
(4) 0x2a5f SAL $0x4,%RSI |
(4) 0x2a63 VMOVSD (%R15,%RDX,8),%XMM1 |
(4) 0x2a69 VMOVHPD (%R12,%RDX,8),%XMM1,%XMM1 |
(4) 0x2a6f VMOVDDUP %XMM0,%XMM0 |
(4) 0x2a73 VDIVPD %XMM0,%XMM1,%XMM0 |
(4) 0x2a77 VMOVUPD %XMM0,(%RAX,%RSI,1) |
(4) 0x2a7c JMP 2b85 |
(4) 0x2a81 MOV %R14D,%EDX |
(4) 0x2a84 AND $0x7ffffffc,%EDX |
(4) 0x2a8a MOV %R14D,%ESI |
(4) 0x2a8d IMUL %EBX,%ESI |
(4) 0x2a90 SAL $0x4,%RSI |
(4) 0x2a94 ADD -0x58(%RBP),%RSI |
(4) 0x2a98 LEA (%R14,%R14,1),%EDI |
(4) 0x2a9c AND $-0x8,%EDI |
(4) 0x2a9f VPBROADCASTQ %RAX,%YMM0 |
(4) 0x2aa5 XOR %R8D,%R8D |
(4) 0x2aa8 VPMOVSXBQ 0x15d7(%RIP),%YMM1 |
(4) 0x2ab1 NOPW %CS:(%RAX,%RAX,1) |
(6) 0x2ac0 VMOVDQA (%R13,%R8,2),%XMM2 |
(6) 0x2ac7 VPTESTMD %XMM2,%XMM2,%K2 |
(6) 0x2acd VMOVUPD (%R15,%R8,4),%YMM3{%K2}{z} |
(6) 0x2ad4 VCVTDQ2PD %XMM2,%YMM4 |
(6) 0x2ad8 VDIVPD %YMM4,%YMM3,%YMM3 |
(6) 0x2adc VPSLLQ $0x4,%YMM1,%YMM5 |
(6) 0x2ae1 KMOVQ %K2,%K1 |
(6) 0x2ae6 VSCATTERQPD %YMM3,(%RAX,%YMM5,1){%K1} |
(6) 0x2aed VPTESTNMD %XMM2,%XMM2,%K1 |
(6) 0x2af3 VPADDQ %YMM5,%YMM0,%YMM2 |
(6) 0x2af7 VMOVUPD (%R12,%R8,4),%YMM6{%K2}{z} |
(6) 0x2afe VDIVPD %YMM4,%YMM6,%YMM4 |
(6) 0x2b02 VSCATTERQPD %YMM4,0x8(,%YMM2,1){%K2} |
(6) 0x2b0d VXORPD %XMM6,%XMM6,%XMM6 |
(6) 0x2b11 KMOVQ %K1,%K2 |
(6) 0x2b16 VGATHERQPD (%RAX,%YMM5,1),%YMM6{%K2} |
(6) 0x2b1d VXORPD %XMM5,%XMM5,%XMM5 |
(6) 0x2b21 KMOVQ %K1,%K2 |
(6) 0x2b26 VGATHERQPD 0x8(,%YMM2,1),%YMM5{%K2} |
(6) 0x2b31 VMOVAPD %YMM5,%YMM4{%K1} |
(6) 0x2b37 VMOVAPD %YMM6,%YMM3{%K1} |
(6) 0x2b3d VMOVAPD %YMM3,%YMM2 |
(6) 0x2b41 VPERMT2PD %YMM4,%YMM8,%YMM3 |
(6) 0x2b47 VMOVUPD %YMM3,0x20(%RSI,%R8,8) |
(6) 0x2b4e VPERMT2PD %YMM4,%YMM7,%YMM2 |
(6) 0x2b54 VMOVUPD %YMM2,(%RSI,%R8,8) |
(6) 0x2b5a VPADDQ %YMM1,%YMM9,%YMM1 |
(6) 0x2b5e ADD $0x8,%R8 |
(6) 0x2b62 CMP %R8,%RDI |
(6) 0x2b65 JNE 2ac0 |
(4) 0x2b6b CMP %R14D,%EDX |
(4) 0x2b6e JE 2843 |
(4) 0x2b74 JMP 2a3e |
(4) 0x2b79 MOV %RDX,%RSI |
(4) 0x2b7c SAL $0x4,%RSI |
(4) 0x2b80 VMOVUPD (%RAX,%RSI,1),%XMM0 |
(4) 0x2b85 MOV %RDX,%RSI |
(4) 0x2b88 SAL $0x4,%RSI |
(4) 0x2b8c ADD -0x58(%RBP),%RSI |
(4) 0x2b90 SAL $0x4,%RCX |
(4) 0x2b94 VMOVUPD %XMM0,(%RCX,%RSI,1) |
(4) 0x2b99 MOV %RDX,%RDI |
(4) 0x2b9c OR $0x1,%RDI |
(4) 0x2ba0 LEA -0x1(%R14),%RCX |
(4) 0x2ba4 CMP %RCX,%RDX |
(4) 0x2ba7 JE 2843 |
(4) 0x2bad MOV %RDI,%RDX |
(4) 0x2bb0 SAL $0x4,%RDX |
(4) 0x2bb4 MOV %R14D,%ECX |
(4) 0x2bb7 IMUL %EBX,%ECX |
(4) 0x2bba SAL $0x4,%RCX |
(4) 0x2bbe MOV -0x70(%RBP),%RSI |
(4) 0x2bc2 ADD %RDX,%RSI |
(4) 0x2bc5 ADD %RSI,%RCX |
(4) 0x2bc8 SUB %RDI,%R14 |
(4) 0x2bcb ADD %RDX,%RAX |
(4) 0x2bce ADD $0x10,%RAX |
(4) 0x2bd2 LEA (%R12,%RDI,8),%RDX |
(4) 0x2bd6 ADD $0x8,%RDX |
(4) 0x2bda LEA (%R15,%RDI,8),%RSI |
(4) 0x2bde ADD $0x8,%RSI |
(4) 0x2be2 LEA 0x4(,%RDI,4),%RDI |
(4) 0x2bea ADD %R13,%RDI |
(4) 0x2bed XOR %R8D,%R8D |
(4) 0x2bf0 JMP 2c6a |
0x2bf2 NOPW %CS:(%RAX,%RAX,1) |
(5) 0x2c00 VMOVUPD -0x10(%RAX,%R8,4),%XMM0 |
(5) 0x2c07 VMOVUPD %XMM0,-0x10(%RCX,%R8,4) |
(5) 0x2c0e MOV (%RDI,%R8,1),%R9D |
(5) 0x2c12 TEST %R9D,%R9D |
(5) 0x2c15 JE 2c50 |
(5) 0x2c17 VCVTSI2SD %R9D,%XMM10,%XMM0 |
(5) 0x2c1c VMOVSD (%RSI,%R8,2),%XMM1 |
(5) 0x2c22 VMOVHPD (%RDX,%R8,2),%XMM1,%XMM1 |
(5) 0x2c28 VMOVDDUP %XMM0,%XMM0 |
(5) 0x2c2c VDIVPD %XMM0,%XMM1,%XMM0 |
(5) 0x2c30 VMOVUPD %XMM0,(%RAX,%R8,4) |
(5) 0x2c36 VMOVUPD %XMM0,(%RCX,%R8,4) |
(5) 0x2c3c ADD $0x8,%R8 |
(5) 0x2c40 ADD $-0x2,%R14 |
(5) 0x2c44 JNE 2c6a |
(4) 0x2c46 JMP 2843 |
0x2c4b NOPL (%RAX,%RAX,1) |
(5) 0x2c50 VMOVUPD (%RAX,%R8,4),%XMM0 |
(5) 0x2c56 VMOVUPD %XMM0,(%RCX,%R8,4) |
(5) 0x2c5c ADD $0x8,%R8 |
(5) 0x2c60 ADD $-0x2,%R14 |
(5) 0x2c64 JE 2843 |
(5) 0x2c6a MOV -0x4(%RDI,%R8,1),%R9D |
(5) 0x2c6f TEST %R9D,%R9D |
(5) 0x2c72 JE 2c00 |
(5) 0x2c74 VCVTSI2SD %R9D,%XMM10,%XMM0 |
(5) 0x2c79 VMOVSD -0x8(%RSI,%R8,2),%XMM1 |
(5) 0x2c80 VMOVHPD -0x8(%RDX,%R8,2),%XMM1,%XMM1 |
(5) 0x2c87 VMOVDDUP %XMM0,%XMM0 |
(5) 0x2c8b VDIVPD %XMM0,%XMM1,%XMM0 |
(5) 0x2c8f VMOVUPD %XMM0,-0x10(%RAX,%R8,4) |
(5) 0x2c96 VMOVUPD %XMM0,-0x10(%RCX,%R8,4) |
(5) 0x2c9d MOV (%RDI,%R8,1),%R9D |
(5) 0x2ca1 TEST %R9D,%R9D |
(5) 0x2ca4 JNE 2c17 |
(5) 0x2caa JMP 2c50 |
0x2cac MOV %FS:0x28,%RAX |
0x2cb5 CMP -0x30(%RBP),%RAX |
0x2cb9 JNE 2ccd |
0x2cbb LEA -0x28(%RBP),%RSP |
0x2cbf POP %RBX |
0x2cc0 POP %R12 |
0x2cc2 POP %R13 |
0x2cc4 POP %R14 |
0x2cc6 POP %R15 |
0x2cc8 POP %RBP |
0x2cc9 VZEROUPPER |
0x2ccc RET |
0x2ccd VZEROUPPER |
0x2cd0 CALL 2110 <__stack_chk_fail@plt> |
0x2cd5 NOPW %CS:(%RAX,%RAX,1) |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:27 | kmeans-clang-O3 |
| ○ | __libc_init_first | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | kmeans-clang-O3 |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:27 | kmeans-clang-O3 |
| ○ | __libc_init_first | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | kmeans-clang-O3 |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:27 | kmeans-clang-O3 |
| ○ | __libc_init_first | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | kmeans-clang-O3 |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:27 | kmeans-clang-O3 |
| ○ | __libc_init_first | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | kmeans-clang-O3 |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:27 | kmeans-clang-O3 |
| ○ | __libc_init_first | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | kmeans-clang-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:67-108 |
| Module | kmeans-clang-O3 |
| nb instructions | 42 |
| nb uops | 49 |
| loop length | 167 |
| used x86 registers | 15 |
| used mmx registers | 0 |
| used xmm registers | 0 |
| used ymm registers | 0 |
| used zmm registers | 0 |
| nb stack references | 9 |
| micro-operation queue | 12.25 cycles |
| front end | 12.25 cycles |
| P0 | P1 | P2 | P3 | P4 | P5 | P6 | P7 | |
|---|---|---|---|---|---|---|---|---|
| uops | 2.75 | 2.75 | 8.67 | 8.67 | 15.00 | 2.50 | 3.00 | 8.67 |
| cycles | 2.75 | 2.75 | 8.67 | 8.67 | 15.00 | 2.50 | 3.00 | 8.67 |
| Cycles executing div or sqrt instructions | NA |
| FE+BE cycles | 14.12 |
| Stall cycles | 3.21 |
| SB full (events) | 4.58 |
| Front-end | 12.25 |
| Dispatch | 15.00 |
| Overall L1 | 15.00 |
| all | 14% |
| 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 | 40% |
| all | 12% |
| load | NA (no load vectorizable/vectorized instructions) |
| store | 10% |
| 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 | 13% |
| 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 |
| 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 $0x58,%RSP | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | scal (12.5%) |
| MOV %R8,-0x58(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| MOV %FS:0x28,%RAX | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 4-5 | 0.50 | N/A |
| MOV %RAX,-0x30(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| MOV %RSI,-0x38(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| MOV %RDX,-0x40(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| MOV %RCX,-0x48(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| MOV %R9D,-0x4c(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (6.3%) |
| MOV %EDI,-0x5c(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | 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 2cac <_Z7k_meansiP7point_tS0_PiS0_ii+0x4cc> | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0.50-1 | N/A |
| MOV -0x58(%RBP),%RAX | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 4-5 | 0.50 | N/A |
| ADD $0x10,%RAX | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | N/A |
| MOV %RAX,-0x70(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| MOV $0x1,%EBX | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | scal (6.3%) |
| XOR %R10D,%R10D | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | scal (6.3%) |
| JMP 2852 <_Z7k_meansiP7point_tS0_PiS0_ii+0x72> | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1-2 | 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 %FS:0x28,%RAX | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 4-5 | 0.50 | N/A |
| CMP -0x30(%RBP),%RAX | 1 | 0.25 | 0.25 | 0.50 | 0.50 | 0 | 0.25 | 0.25 | 0 | 1 | 0.50 | N/A |
| JNE 2ccd <_Z7k_meansiP7point_tS0_PiS0_ii+0x4ed> | 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 |
| VZEROUPPER | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | vect (25.0%) |
| RET | 1 | 0 | 0 | 0.33 | 0.33 | 0 | 0 | 1 | 0.33 | 0 | 1 | N/A |
| VZEROUPPER | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | vect (25.0%) |
| CALL 2110 <__stack_chk_fail@plt> | 2 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 1 | 0.33 | 0 | 1 | N/A |
| NOPW %CS:(%RAX,%RAX,1) | 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:67-108 |
| Module | kmeans-clang-O3 |
| nb instructions | 42 |
| nb uops | 49 |
| loop length | 167 |
| used x86 registers | 15 |
| used mmx registers | 0 |
| used xmm registers | 0 |
| used ymm registers | 0 |
| used zmm registers | 0 |
| nb stack references | 9 |
| micro-operation queue | 12.25 cycles |
| front end | 12.25 cycles |
| P0 | P1 | P2 | P3 | P4 | P5 | P6 | P7 | |
|---|---|---|---|---|---|---|---|---|
| uops | 2.75 | 2.75 | 8.67 | 8.67 | 15.00 | 2.50 | 3.00 | 8.67 |
| cycles | 2.75 | 2.75 | 8.67 | 8.67 | 15.00 | 2.50 | 3.00 | 8.67 |
| Cycles executing div or sqrt instructions | NA |
| FE+BE cycles | 14.12 |
| Stall cycles | 3.21 |
| SB full (events) | 4.58 |
| Front-end | 12.25 |
| Dispatch | 15.00 |
| Overall L1 | 15.00 |
| all | 14% |
| 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 | 40% |
| all | 12% |
| load | NA (no load vectorizable/vectorized instructions) |
| store | 10% |
| 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 | 13% |
| 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 |
| 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 $0x58,%RSP | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | scal (12.5%) |
| MOV %R8,-0x58(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| MOV %FS:0x28,%RAX | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 4-5 | 0.50 | N/A |
| MOV %RAX,-0x30(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| MOV %RSI,-0x38(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| MOV %RDX,-0x40(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| MOV %RCX,-0x48(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| MOV %R9D,-0x4c(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (6.3%) |
| MOV %EDI,-0x5c(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | 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 2cac <_Z7k_meansiP7point_tS0_PiS0_ii+0x4cc> | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0.50-1 | N/A |
| MOV -0x58(%RBP),%RAX | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 4-5 | 0.50 | N/A |
| ADD $0x10,%RAX | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | N/A |
| MOV %RAX,-0x70(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| MOV $0x1,%EBX | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | scal (6.3%) |
| XOR %R10D,%R10D | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | scal (6.3%) |
| JMP 2852 <_Z7k_meansiP7point_tS0_PiS0_ii+0x72> | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1-2 | 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 %FS:0x28,%RAX | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 4-5 | 0.50 | N/A |
| CMP -0x30(%RBP),%RAX | 1 | 0.25 | 0.25 | 0.50 | 0.50 | 0 | 0.25 | 0.25 | 0 | 1 | 0.50 | N/A |
| JNE 2ccd <_Z7k_meansiP7point_tS0_PiS0_ii+0x4ed> | 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 |
| VZEROUPPER | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | vect (25.0%) |
| RET | 1 | 0 | 0 | 0.33 | 0.33 | 0 | 0 | 1 | 0.33 | 0 | 1 | N/A |
| VZEROUPPER | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | vect (25.0%) |
| CALL 2110 <__stack_chk_fail@plt> | 2 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 1 | 0.33 | 0 | 1 | N/A |
| NOPW %CS:(%RAX,%RAX,1) | 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: 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_10_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: 10 |
| (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_10_threads) Efficiency | (run_10_threads) Potential Speed-Up (%) |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 0 | 0.97 | 0.16 | 0.91 | 0.48 | 0.84 | 0.74 | 0.83 | 0.73 |
| Run | Number of threads | Efficiency (ideal is 1) | Speedup | Ideal Speedup | Time (s) | Coverage (%) |
|---|---|---|---|---|---|---|
| run_1_thread | 1 | 1 | 1 | 1 | 7.2750005722046 | 5.7455382347107 |
| run_2_threads | 1 | 0.97 | 1.94 | 2 | 7.3599996566772 | 5.4800639152527 |
| run_4_threads | 1 | 0.91 | 3.62 | 4 | 7.604998588562 | 5.0509743690491 |
| run_8_threads | 1 | 0.84 | 6.68 | 8 | 7.7800002098083 | 4.5017938613892 |
| run_10_threads | 1 | 0.83 | 8.26 | 10 | 7.6999988555908 | 4.2211437225342 |
| Name | Coverage (%) | Time (s) |
|---|---|---|
| ▼k_means(int, point_t*, point_t*, int*, point_t*, int, int)– | 5.75 | 7.28 |
| ▼Loop 4 - main.cpp:68-105 - kmeans-clang-O3– | 0.00 | 0.00 |
| ○Loop 7 - main.cpp:93-96 - kmeans-clang-O3 | 5.75 | 7.28 |
| ○Loop 5 - main.cpp:98-104 - kmeans-clang-O3 | 0.00 | 0.00 |
| ○Loop 6 - main.cpp:98-105 - kmeans-clang-O3 | 0.00 | 0.00 |
