| Function: k_means(int, point_t*, point_t*, int*, point_t*, int, int) | Module: kmeans-clang-O3-all | Source: main.cpp:67-108 [...] | Coverage (incl. loops): 5.92% | (excl. loops): 0.00% |
|---|
| Function: k_means(int, point_t*, point_t*, int*, point_t*, int, int) | Module: kmeans-clang-O3-all | Source: main.cpp:67-108 [...] | Coverage (incl. loops): 5.92% | (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: } |
0x27f0 PUSH %RBP |
0x27f1 MOV %RSP,%RBP |
0x27f4 PUSH %R15 |
0x27f6 PUSH %R14 |
0x27f8 PUSH %R13 |
0x27fa PUSH %R12 |
0x27fc PUSH %RBX |
0x27fd SUB $0x58,%RSP |
0x2801 MOV %R8,-0x58(%RBP) |
0x2805 MOV %FS:0x28,%RAX |
0x280e MOV %RAX,-0x30(%RBP) |
0x2812 MOV %RSI,-0x38(%RBP) |
0x2816 MOV %RDX,-0x40(%RBP) |
0x281a MOV %RCX,-0x48(%RBP) |
0x281e MOV %R9D,-0x4c(%RBP) |
0x2822 MOV %EDI,-0x5c(%RBP) |
0x2825 TEST %EDI,%EDI |
0x2827 JLE 2ce0 |
0x282d MOV -0x58(%RBP),%RAX |
0x2831 ADD $0x10,%RAX |
0x2835 MOV %RAX,-0x70(%RBP) |
0x2839 MOV $0x1,%EBX |
0x283e XOR %R10D,%R10D |
0x2841 JMP 2862 |
0x2843 NOPW %CS:(%RAX,%RAX,1) |
(4) 0x2850 INC %R10D |
(4) 0x2853 MOV %R11,%RSP |
(4) 0x2856 INC %EBX |
(4) 0x2858 CMP -0x5c(%RBP),%R10D |
(4) 0x285c JE 2ce0 |
(4) 0x2862 MOV %R10D,-0x64(%RBP) |
(4) 0x2866 LEA 0x350b(%RIP),%RDI |
(4) 0x286d MOV $0x5,%ESI |
(4) 0x2872 LEA 0x497(%RIP),%RDX |
(4) 0x2879 LEA -0x4c(%RBP),%RCX |
(4) 0x287d LEA 0x10(%RBP),%R8 |
(4) 0x2881 LEA -0x38(%RBP),%R9 |
(4) 0x2885 XOR %EAX,%EAX |
(4) 0x2887 LEA -0x48(%RBP),%R10 |
(4) 0x288b PUSH %R10 |
(4) 0x288d LEA -0x40(%RBP),%R10 |
(4) 0x2891 PUSH %R10 |
(4) 0x2893 VZEROUPPER |
(4) 0x2896 CALL 2200 <__kmpc_fork_call@plt> |
(4) 0x289b ADD $0x10,%RSP |
(4) 0x289f MOV %RSP,%R11 |
(4) 0x28a2 MOV 0x10(%RBP),%EAX |
(4) 0x28a5 MOV %RSP,%R13 |
(4) 0x28a8 LEA 0xf(,%RAX,4),%RAX |
(4) 0x28b0 AND $-0x10,%RAX |
(4) 0x28b4 SUB %RAX,%R13 |
(4) 0x28b7 MOV %R13,%RSP |
(4) 0x28ba MOV 0x10(%RBP),%R14D |
(4) 0x28be MOV %RSP,%R15 |
(4) 0x28c1 LEA 0xf(,%R14,8),%RAX |
(4) 0x28c9 AND $-0x10,%RAX |
(4) 0x28cd SUB %RAX,%R15 |
(4) 0x28d0 MOV %R15,%RSP |
(4) 0x28d3 MOV %RSP,%R12 |
(4) 0x28d6 SUB %RAX,%R12 |
(4) 0x28d9 MOV %R12,%RSP |
(4) 0x28dc TEST %R14D,%R14D |
(4) 0x28df JLE 2923 |
(4) 0x28e1 LEA (,%R14,4),%RDX |
(4) 0x28e9 MOV %R13,%RDI |
(4) 0x28ec XOR %ESI,%ESI |
(4) 0x28ee MOV %R11,-0x78(%RBP) |
(4) 0x28f2 CALL 20a0 <memset@plt> |
(4) 0x28f7 MOV %EBX,-0x60(%RBP) |
(4) 0x28fa LEA (,%R14,8),%RBX |
(4) 0x2902 MOV %R15,%RDI |
(4) 0x2905 XOR %ESI,%ESI |
(4) 0x2907 MOV %RBX,%RDX |
(4) 0x290a CALL 20a0 <memset@plt> |
(4) 0x290f MOV %R12,%RDI |
(4) 0x2912 XOR %ESI,%ESI |
(4) 0x2914 MOV %RBX,%RDX |
(4) 0x2917 MOV -0x60(%RBP),%EBX |
(4) 0x291a CALL 20a0 <memset@plt> |
(4) 0x291f MOV -0x78(%RBP),%R11 |
(4) 0x2923 MOVSXD -0x4c(%RBP),%RCX |
(4) 0x2927 TEST %RCX,%RCX |
(4) 0x292a VMOVSD 0x16de(%RIP),%XMM7 |
(4) 0x2932 VBROADCASTSD 0x16d5(%RIP),%YMM8 |
(4) 0x293b VPMOVSXBQ 0x175c(%RIP),%YMM9 |
(4) 0x2944 VPMOVSXBQ 0x1757(%RIP),%YMM10 |
(4) 0x294d VPBROADCASTQ 0x16c2(%RIP),%YMM11 |
(4) 0x2956 MOV -0x64(%RBP),%R10D |
(4) 0x295a JLE 2a2c |
(4) 0x2960 MOV -0x48(%RBP),%RDX |
(4) 0x2964 MOV -0x38(%RBP),%RAX |
(4) 0x2968 CMP $0x1,%ECX |
(4) 0x296b JNE 2980 |
(4) 0x296d XOR %ESI,%ESI |
(4) 0x296f JMP 29f7 |
0x2974 NOPW %CS:(%RAX,%RAX,1) |
(4) 0x2980 MOV %ECX,%EDI |
(4) 0x2982 AND $0x7ffffffe,%EDI |
(4) 0x2988 LEA 0x18(%RAX),%R8 |
(4) 0x298c XOR %ESI,%ESI |
(4) 0x298e XCHG %AX,%AX |
(7) 0x2990 MOVSXD (%RDX,%RSI,4),%R9 |
(7) 0x2994 INCL (%R13,%R9,4) |
(7) 0x2999 VMOVSD (%R15,%R9,8),%XMM0 |
(7) 0x299f VADDSD -0x18(%R8),%XMM0,%XMM0 |
(7) 0x29a5 VMOVSD %XMM0,(%R15,%R9,8) |
(7) 0x29ab VMOVSD (%R12,%R9,8),%XMM0 |
(7) 0x29b1 VADDSD -0x10(%R8),%XMM0,%XMM0 |
(7) 0x29b7 VMOVSD %XMM0,(%R12,%R9,8) |
(7) 0x29bd MOVSXD 0x4(%RDX,%RSI,4),%R9 |
(7) 0x29c2 INCL (%R13,%R9,4) |
(7) 0x29c7 VMOVSD (%R15,%R9,8),%XMM0 |
(7) 0x29cd VADDSD -0x8(%R8),%XMM0,%XMM0 |
(7) 0x29d3 VMOVSD %XMM0,(%R15,%R9,8) |
(7) 0x29d9 VMOVSD (%R12,%R9,8),%XMM0 |
(7) 0x29df VADDSD (%R8),%XMM0,%XMM0 |
(7) 0x29e4 VMOVSD %XMM0,(%R12,%R9,8) |
(7) 0x29ea ADD $0x2,%RSI |
(7) 0x29ee ADD $0x20,%R8 |
(7) 0x29f2 CMP %RSI,%RDI |
(7) 0x29f5 JNE 2990 |
(4) 0x29f7 TEST $0x1,%CL |
(4) 0x29fa JE 2a2c |
(4) 0x29fc MOVSXD (%RDX,%RSI,4),%RCX |
(4) 0x2a00 INCL (%R13,%RCX,4) |
(4) 0x2a05 SAL $0x4,%RSI |
(4) 0x2a09 VMOVSD (%R15,%RCX,8),%XMM0 |
(4) 0x2a0f VADDSD (%RAX,%RSI,1),%XMM0,%XMM0 |
(4) 0x2a14 VMOVSD %XMM0,(%R15,%RCX,8) |
(4) 0x2a1a VMOVSD (%R12,%RCX,8),%XMM0 |
(4) 0x2a20 VADDSD 0x8(%RAX,%RSI,1),%XMM0,%XMM0 |
(4) 0x2a26 VMOVSD %XMM0,(%R12,%RCX,8) |
(4) 0x2a2c TEST %R14D,%R14D |
(4) 0x2a2f JLE 2850 |
(4) 0x2a35 MOV -0x40(%RBP),%RAX |
(4) 0x2a39 INC %R10D |
(4) 0x2a3c MOV %R14D,%ECX |
(4) 0x2a3f IMUL %R10D,%ECX |
(4) 0x2a43 CMP $0xc,%R14D |
(4) 0x2a47 JB 2a6c |
(4) 0x2a49 MOV %R14,%RDX |
(4) 0x2a4c SAL $0x4,%RDX |
(4) 0x2a50 MOV %RCX,%RSI |
(4) 0x2a53 SAL $0x4,%RSI |
(4) 0x2a57 ADD -0x58(%RBP),%RSI |
(4) 0x2a5b LEA (%RSI,%RDX,1),%RDI |
(4) 0x2a5f CMP %RDI,%RAX |
(4) 0x2a62 JAE 2ab5 |
(4) 0x2a64 ADD %RAX,%RDX |
(4) 0x2a67 CMP %RDX,%RSI |
(4) 0x2a6a JAE 2ab5 |
(4) 0x2a6c XOR %EDX,%EDX |
(4) 0x2a6e MOV %RDX,%RDI |
(4) 0x2a71 TEST $0x1,%R14B |
(4) 0x2a75 JE 2bd4 |
(4) 0x2a7b MOV (%R13,%RDX,4),%ESI |
(4) 0x2a80 TEST %ESI,%ESI |
(4) 0x2a82 JE 2bad |
(4) 0x2a88 VCVTSI2SD %ESI,%XMM12,%XMM0 |
(4) 0x2a8c MOV %RDX,%RSI |
(4) 0x2a8f VMOVSD (%R15,%RDX,8),%XMM1 |
(4) 0x2a95 VMOVHPD (%R12,%RDX,8),%XMM1,%XMM1 |
(4) 0x2a9b SAL $0x4,%RSI |
(4) 0x2a9f VDIVSD %XMM0,%XMM7,%XMM0 |
(4) 0x2aa3 VMOVDDUP %XMM0,%XMM0 |
(4) 0x2aa7 VMULPD %XMM0,%XMM1,%XMM0 |
(4) 0x2aab VMOVUPD %XMM0,(%RAX,%RSI,1) |
(4) 0x2ab0 JMP 2bb9 |
(4) 0x2ab5 MOV %R14D,%EDX |
(4) 0x2ab8 AND $0x7ffffffc,%EDX |
(4) 0x2abe MOV %R14D,%ESI |
(4) 0x2ac1 IMUL %EBX,%ESI |
(4) 0x2ac4 SAL $0x4,%RSI |
(4) 0x2ac8 ADD -0x58(%RBP),%RSI |
(4) 0x2acc LEA (%R14,%R14,1),%EDI |
(4) 0x2ad0 AND $-0x8,%EDI |
(4) 0x2ad3 VPBROADCASTQ %RAX,%YMM0 |
(4) 0x2ad9 XOR %R8D,%R8D |
(4) 0x2adc VPMOVSXBQ 0x15c3(%RIP),%YMM1 |
(4) 0x2ae5 NOPW %CS:(%RAX,%RAX,1) |
(6) 0x2af0 VMOVDQA (%R13,%R8,2),%XMM2 |
(6) 0x2af7 VPTESTMD %XMM2,%XMM2,%K2 |
(6) 0x2afd VMOVUPD (%R15,%R8,4),%YMM3{%K2}{z} |
(6) 0x2b04 VCVTDQ2PD %XMM2,%YMM4 |
(6) 0x2b08 VDIVPD %YMM4,%YMM8,%YMM4 |
(6) 0x2b0c VMULPD %YMM4,%YMM3,%YMM3 |
(6) 0x2b10 VPSLLQ $0x4,%YMM1,%YMM5 |
(6) 0x2b15 KMOVQ %K2,%K1 |
(6) 0x2b1a VSCATTERQPD %YMM3,(%RAX,%YMM5,1){%K1} |
(6) 0x2b21 VPTESTNMD %XMM2,%XMM2,%K1 |
(6) 0x2b27 VPADDQ %YMM5,%YMM0,%YMM2 |
(6) 0x2b2b VMOVUPD (%R12,%R8,4),%YMM6{%K2}{z} |
(6) 0x2b32 VMULPD %YMM4,%YMM6,%YMM4 |
(6) 0x2b36 VSCATTERQPD %YMM4,0x8(,%YMM2,1){%K2} |
(6) 0x2b41 VXORPD %XMM6,%XMM6,%XMM6 |
(6) 0x2b45 KMOVQ %K1,%K2 |
(6) 0x2b4a VGATHERQPD (%RAX,%YMM5,1),%YMM6{%K2} |
(6) 0x2b51 VXORPD %XMM5,%XMM5,%XMM5 |
(6) 0x2b55 KMOVQ %K1,%K2 |
(6) 0x2b5a VGATHERQPD 0x8(,%YMM2,1),%YMM5{%K2} |
(6) 0x2b65 VMOVAPD %YMM5,%YMM4{%K1} |
(6) 0x2b6b VMOVAPD %YMM6,%YMM3{%K1} |
(6) 0x2b71 VMOVAPD %YMM3,%YMM2 |
(6) 0x2b75 VPERMT2PD %YMM4,%YMM10,%YMM3 |
(6) 0x2b7b VMOVUPD %YMM3,0x20(%RSI,%R8,8) |
(6) 0x2b82 VPERMT2PD %YMM4,%YMM9,%YMM2 |
(6) 0x2b88 VMOVUPD %YMM2,(%RSI,%R8,8) |
(6) 0x2b8e VPADDQ %YMM1,%YMM11,%YMM1 |
(6) 0x2b92 ADD $0x8,%R8 |
(6) 0x2b96 CMP %R8,%RDI |
(6) 0x2b99 JNE 2af0 |
(4) 0x2b9f CMP %R14D,%EDX |
(4) 0x2ba2 JE 2853 |
(4) 0x2ba8 JMP 2a6e |
(4) 0x2bad MOV %RDX,%RSI |
(4) 0x2bb0 SAL $0x4,%RSI |
(4) 0x2bb4 VMOVUPD (%RAX,%RSI,1),%XMM0 |
(4) 0x2bb9 MOV %RDX,%RSI |
(4) 0x2bbc SAL $0x4,%RSI |
(4) 0x2bc0 ADD -0x58(%RBP),%RSI |
(4) 0x2bc4 SAL $0x4,%RCX |
(4) 0x2bc8 VMOVUPD %XMM0,(%RCX,%RSI,1) |
(4) 0x2bcd MOV %RDX,%RDI |
(4) 0x2bd0 OR $0x1,%RDI |
(4) 0x2bd4 LEA -0x1(%R14),%RCX |
(4) 0x2bd8 CMP %RCX,%RDX |
(4) 0x2bdb JE 2853 |
(4) 0x2be1 MOV %RDI,%RDX |
(4) 0x2be4 SAL $0x4,%RDX |
(4) 0x2be8 MOV %R14D,%ECX |
(4) 0x2beb IMUL %EBX,%ECX |
(4) 0x2bee SAL $0x4,%RCX |
(4) 0x2bf2 MOV -0x70(%RBP),%RSI |
(4) 0x2bf6 ADD %RDX,%RSI |
(4) 0x2bf9 ADD %RSI,%RCX |
(4) 0x2bfc SUB %RDI,%R14 |
(4) 0x2bff ADD %RDX,%RAX |
(4) 0x2c02 ADD $0x10,%RAX |
(4) 0x2c06 LEA (%R12,%RDI,8),%RDX |
(4) 0x2c0a ADD $0x8,%RDX |
(4) 0x2c0e LEA (%R15,%RDI,8),%RSI |
(4) 0x2c12 ADD $0x8,%RSI |
(4) 0x2c16 LEA 0x4(,%RDI,4),%RDI |
(4) 0x2c1e ADD %R13,%RDI |
(4) 0x2c21 XOR %R8D,%R8D |
(4) 0x2c24 JMP 2c9a |
0x2c26 NOPW %CS:(%RAX,%RAX,1) |
(5) 0x2c30 VMOVUPD -0x10(%RAX,%R8,4),%XMM0 |
(5) 0x2c37 VMOVUPD %XMM0,-0x10(%RCX,%R8,4) |
(5) 0x2c3e MOV (%RDI,%R8,1),%R9D |
(5) 0x2c42 TEST %R9D,%R9D |
(5) 0x2c45 JE 2c80 |
(5) 0x2c47 VCVTSI2SD %R9D,%XMM12,%XMM0 |
(5) 0x2c4c VMOVSD (%RSI,%R8,2),%XMM1 |
(5) 0x2c52 VMOVHPD (%RDX,%R8,2),%XMM1,%XMM1 |
(5) 0x2c58 VDIVSD %XMM0,%XMM7,%XMM0 |
(5) 0x2c5c VMOVDDUP %XMM0,%XMM0 |
(5) 0x2c60 VMULPD %XMM0,%XMM1,%XMM0 |
(5) 0x2c64 VMOVUPD %XMM0,(%RAX,%R8,4) |
(5) 0x2c6a VMOVUPD %XMM0,(%RCX,%R8,4) |
(5) 0x2c70 ADD $0x8,%R8 |
(5) 0x2c74 ADD $-0x2,%R14 |
(5) 0x2c78 JNE 2c9a |
(4) 0x2c7a JMP 2853 |
0x2c7f NOP |
(5) 0x2c80 VMOVUPD (%RAX,%R8,4),%XMM0 |
(5) 0x2c86 VMOVUPD %XMM0,(%RCX,%R8,4) |
(5) 0x2c8c ADD $0x8,%R8 |
(5) 0x2c90 ADD $-0x2,%R14 |
(5) 0x2c94 JE 2853 |
(5) 0x2c9a MOV -0x4(%RDI,%R8,1),%R9D |
(5) 0x2c9f TEST %R9D,%R9D |
(5) 0x2ca2 JE 2c30 |
(5) 0x2ca4 VCVTSI2SD %R9D,%XMM12,%XMM0 |
(5) 0x2ca9 VMOVSD -0x8(%RSI,%R8,2),%XMM1 |
(5) 0x2cb0 VMOVHPD -0x8(%RDX,%R8,2),%XMM1,%XMM1 |
(5) 0x2cb7 VDIVSD %XMM0,%XMM7,%XMM0 |
(5) 0x2cbb VMOVDDUP %XMM0,%XMM0 |
(5) 0x2cbf VMULPD %XMM0,%XMM1,%XMM0 |
(5) 0x2cc3 VMOVUPD %XMM0,-0x10(%RAX,%R8,4) |
(5) 0x2cca VMOVUPD %XMM0,-0x10(%RCX,%R8,4) |
(5) 0x2cd1 MOV (%RDI,%R8,1),%R9D |
(5) 0x2cd5 TEST %R9D,%R9D |
(5) 0x2cd8 JNE 2c47 |
(5) 0x2cde JMP 2c80 |
0x2ce0 MOV %FS:0x28,%RAX |
0x2ce9 CMP -0x30(%RBP),%RAX |
0x2ced JNE 2d01 |
0x2cef LEA -0x28(%RBP),%RSP |
0x2cf3 POP %RBX |
0x2cf4 POP %R12 |
0x2cf6 POP %R13 |
0x2cf8 POP %R14 |
0x2cfa POP %R15 |
0x2cfc POP %RBP |
0x2cfd VZEROUPPER |
0x2d00 RET |
0x2d01 VZEROUPPER |
0x2d04 CALL 2110 <__stack_chk_fail@plt> |
0x2d09 NOPL (%RAX) |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:27 | kmeans-clang-O3-all |
| ○ | __libc_init_first | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | kmeans-clang-O3-all |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:27 | kmeans-clang-O3-all |
| ○ | __libc_init_first | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | kmeans-clang-O3-all |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:27 | kmeans-clang-O3-all |
| ○ | __libc_init_first | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | kmeans-clang-O3-all |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:27 | kmeans-clang-O3-all |
| ○ | __libc_init_first | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | kmeans-clang-O3-all |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:27 | kmeans-clang-O3-all |
| ○ | __libc_init_first | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | kmeans-clang-O3-all |
| 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-all |
| nb instructions | 43 |
| nb uops | 50 |
| 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 | 12.50 cycles |
| front end | 12.50 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 | 2.95 |
| SB full (events) | 4.54 |
| Front-end | 12.50 |
| 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 2ce0 <_Z7k_meansiP7point_tS0_PiS0_ii+0x4f0> | 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 2862 <_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 |
| NOPW %CS:(%RAX,%RAX,1) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | N/A |
| NOP | 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 2d01 <_Z7k_meansiP7point_tS0_PiS0_ii+0x511> | 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 |
| 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:67-108 |
| Module | kmeans-clang-O3-all |
| nb instructions | 43 |
| nb uops | 50 |
| 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 | 12.50 cycles |
| front end | 12.50 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 | 2.95 |
| SB full (events) | 4.54 |
| Front-end | 12.50 |
| 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 2ce0 <_Z7k_meansiP7point_tS0_PiS0_ii+0x4f0> | 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 2862 <_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 |
| NOPW %CS:(%RAX,%RAX,1) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | N/A |
| NOP | 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 2d01 <_Z7k_meansiP7point_tS0_PiS0_ii+0x511> | 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 |
| 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: 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 | 0.18 | 0.9 | 0.53 | 0.83 | 0.78 | 0.82 | 0.8 |
| Run | Number of threads | Efficiency (ideal is 1) | Speedup | Ideal Speedup | Time (s) | Coverage (%) |
|---|---|---|---|---|---|---|
| run_1_thread | 1 | 1 | 1 | 1 | 7.3599996566772 | 5.9161615371704 |
| run_2_threads | 1 | 0.97 | 1.94 | 2 | 7.4549999237061 | 5.6434526443481 |
| run_4_threads | 1 | 0.9 | 3.6 | 4 | 7.7300004959106 | 5.2073159217834 |
| run_8_threads | 1 | 0.83 | 6.65 | 8 | 7.8699979782104 | 4.6186790466309 |
| run_10_threads | 1 | 0.82 | 8.17 | 10 | 7.8300004005432 | 4.3490343093872 |
| Name | Coverage (%) | Time (s) |
|---|---|---|
| ▼k_means(int, point_t*, point_t*, int*, point_t*, int, int)– | 5.92 | 7.36 |
| ▼Loop 4 - main.cpp:68-105 - kmeans-clang-O3-all– | 0.00 | 0.00 |
| ○Loop 7 - main.cpp:93-96 - kmeans-clang-O3-all | 5.92 | 7.36 |
| ○Loop 5 - main.cpp:98-104 - kmeans-clang-O3-all | 0.00 | 0.00 |
| ○Loop 6 - main.cpp:98-105 - kmeans-clang-O3-all | 0.00 | 0.00 |
