| Function: k_means(int, point_t*, point_t*, int*, point_t*, int, int) | Module: kmeans-clang-O3 | Source: main.cpp:55-96 [...] | Coverage (incl. loops): 5.73% | (excl. loops): 0.00% |
|---|
| Function: k_means(int, point_t*, point_t*, int*, point_t*, int, int) | Module: kmeans-clang-O3 | Source: main.cpp:55-96 [...] | Coverage (incl. loops): 5.73% | (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: } |
0x2780 PUSH %RBP |
0x2781 MOV %RSP,%RBP |
0x2784 PUSH %R15 |
0x2786 PUSH %R14 |
0x2788 PUSH %R13 |
0x278a PUSH %R12 |
0x278c PUSH %RBX |
0x278d SUB $0x58,%RSP |
0x2791 MOV %R8,-0x58(%RBP) |
0x2795 MOV %FS:0x28,%RAX |
0x279e MOV %RAX,-0x30(%RBP) |
0x27a2 MOV %RSI,-0x38(%RBP) |
0x27a6 MOV %RDX,-0x40(%RBP) |
0x27aa MOV %RCX,-0x48(%RBP) |
0x27ae MOV %R9D,-0x4c(%RBP) |
0x27b2 MOV %EDI,-0x5c(%RBP) |
0x27b5 TEST %EDI,%EDI |
0x27b7 JLE 2c4c |
0x27bd MOV -0x58(%RBP),%RAX |
0x27c1 ADD $0x10,%RAX |
0x27c5 MOV %RAX,-0x70(%RBP) |
0x27c9 MOV $0x1,%EBX |
0x27ce XOR %R10D,%R10D |
0x27d1 JMP 27f2 |
0x27d3 NOPW %CS:(%RAX,%RAX,1) |
(4) 0x27e0 INC %R10D |
(4) 0x27e3 MOV %R11,%RSP |
(4) 0x27e6 INC %EBX |
(4) 0x27e8 CMP -0x5c(%RBP),%R10D |
(4) 0x27ec JE 2c4c |
(4) 0x27f2 MOV %R10D,-0x64(%RBP) |
(4) 0x27f6 LEA 0x357b(%RIP),%RDI |
(4) 0x27fd MOV $0x5,%ESI |
(4) 0x2802 LEA 0x477(%RIP),%RDX |
(4) 0x2809 LEA -0x4c(%RBP),%RCX |
(4) 0x280d LEA 0x10(%RBP),%R8 |
(4) 0x2811 LEA -0x38(%RBP),%R9 |
(4) 0x2815 XOR %EAX,%EAX |
(4) 0x2817 LEA -0x48(%RBP),%R10 |
(4) 0x281b PUSH %R10 |
(4) 0x281d LEA -0x40(%RBP),%R10 |
(4) 0x2821 PUSH %R10 |
(4) 0x2823 VZEROUPPER |
(4) 0x2826 CALL 21d0 <__kmpc_fork_call@plt> |
(4) 0x282b ADD $0x10,%RSP |
(4) 0x282f MOV %RSP,%R11 |
(4) 0x2832 MOV 0x10(%RBP),%EAX |
(4) 0x2835 MOV %RSP,%R13 |
(4) 0x2838 LEA 0xf(,%RAX,4),%RAX |
(4) 0x2840 AND $-0x10,%RAX |
(4) 0x2844 SUB %RAX,%R13 |
(4) 0x2847 MOV %R13,%RSP |
(4) 0x284a MOV 0x10(%RBP),%R14D |
(4) 0x284e MOV %RSP,%R15 |
(4) 0x2851 LEA 0xf(,%R14,8),%RAX |
(4) 0x2859 AND $-0x10,%RAX |
(4) 0x285d SUB %RAX,%R15 |
(4) 0x2860 MOV %R15,%RSP |
(4) 0x2863 MOV %RSP,%R12 |
(4) 0x2866 SUB %RAX,%R12 |
(4) 0x2869 MOV %R12,%RSP |
(4) 0x286c TEST %R14D,%R14D |
(4) 0x286f JLE 28b3 |
(4) 0x2871 LEA (,%R14,4),%RDX |
(4) 0x2879 MOV %R13,%RDI |
(4) 0x287c XOR %ESI,%ESI |
(4) 0x287e MOV %R11,-0x78(%RBP) |
(4) 0x2882 CALL 20a0 <memset@plt> |
(4) 0x2887 MOV %EBX,-0x60(%RBP) |
(4) 0x288a LEA (,%R14,8),%RBX |
(4) 0x2892 MOV %R15,%RDI |
(4) 0x2895 XOR %ESI,%ESI |
(4) 0x2897 MOV %RBX,%RDX |
(4) 0x289a CALL 20a0 <memset@plt> |
(4) 0x289f MOV %R12,%RDI |
(4) 0x28a2 XOR %ESI,%ESI |
(4) 0x28a4 MOV %RBX,%RDX |
(4) 0x28a7 MOV -0x60(%RBP),%EBX |
(4) 0x28aa CALL 20a0 <memset@plt> |
(4) 0x28af MOV -0x78(%RBP),%R11 |
(4) 0x28b3 MOVSXD -0x4c(%RBP),%RCX |
(4) 0x28b7 TEST %RCX,%RCX |
(4) 0x28ba VPMOVSXBQ 0x17bd(%RIP),%YMM7 |
(4) 0x28c3 VPMOVSXBQ 0x17b8(%RIP),%YMM8 |
(4) 0x28cc VPBROADCASTQ 0x173b(%RIP),%YMM9 |
(4) 0x28d5 MOV -0x64(%RBP),%R10D |
(4) 0x28d9 JLE 299c |
(4) 0x28df MOV -0x48(%RBP),%RDX |
(4) 0x28e3 MOV -0x38(%RBP),%RAX |
(4) 0x28e7 CMP $0x1,%ECX |
(4) 0x28ea JNE 28f0 |
(4) 0x28ec XOR %ESI,%ESI |
(4) 0x28ee JMP 2967 |
(4) 0x28f0 MOV %ECX,%EDI |
(4) 0x28f2 AND $0x7ffffffe,%EDI |
(4) 0x28f8 LEA 0x18(%RAX),%R8 |
(4) 0x28fc XOR %ESI,%ESI |
(4) 0x28fe XCHG %AX,%AX |
(7) 0x2900 MOVSXD (%RDX,%RSI,4),%R9 |
(7) 0x2904 INCL (%R13,%R9,4) |
(7) 0x2909 VMOVSD -0x18(%R8),%XMM0 |
(7) 0x290f VADDSD (%R15,%R9,8),%XMM0,%XMM0 |
(7) 0x2915 VMOVSD %XMM0,(%R15,%R9,8) |
(7) 0x291b VMOVSD -0x10(%R8),%XMM0 |
(7) 0x2921 VADDSD (%R12,%R9,8),%XMM0,%XMM0 |
(7) 0x2927 VMOVSD %XMM0,(%R12,%R9,8) |
(7) 0x292d MOVSXD 0x4(%RDX,%RSI,4),%R9 |
(7) 0x2932 INCL (%R13,%R9,4) |
(7) 0x2937 VMOVSD -0x8(%R8),%XMM0 |
(7) 0x293d VADDSD (%R15,%R9,8),%XMM0,%XMM0 |
(7) 0x2943 VMOVSD %XMM0,(%R15,%R9,8) |
(7) 0x2949 VMOVSD (%R8),%XMM0 |
(7) 0x294e VADDSD (%R12,%R9,8),%XMM0,%XMM0 |
(7) 0x2954 VMOVSD %XMM0,(%R12,%R9,8) |
(7) 0x295a ADD $0x2,%RSI |
(7) 0x295e ADD $0x20,%R8 |
(7) 0x2962 CMP %RSI,%RDI |
(7) 0x2965 JNE 2900 |
(4) 0x2967 TEST $0x1,%CL |
(4) 0x296a JE 299c |
(4) 0x296c MOVSXD (%RDX,%RSI,4),%RCX |
(4) 0x2970 INCL (%R13,%RCX,4) |
(4) 0x2975 SAL $0x4,%RSI |
(4) 0x2979 VMOVSD (%RAX,%RSI,1),%XMM0 |
(4) 0x297e VADDSD (%R15,%RCX,8),%XMM0,%XMM0 |
(4) 0x2984 VMOVSD %XMM0,(%R15,%RCX,8) |
(4) 0x298a VMOVSD 0x8(%RAX,%RSI,1),%XMM0 |
(4) 0x2990 VADDSD (%R12,%RCX,8),%XMM0,%XMM0 |
(4) 0x2996 VMOVSD %XMM0,(%R12,%RCX,8) |
(4) 0x299c TEST %R14D,%R14D |
(4) 0x299f JLE 27e0 |
(4) 0x29a5 MOV -0x40(%RBP),%RAX |
(4) 0x29a9 INC %R10D |
(4) 0x29ac MOV %R14D,%ECX |
(4) 0x29af IMUL %R10D,%ECX |
(4) 0x29b3 CMP $0xc,%R14D |
(4) 0x29b7 JB 29dc |
(4) 0x29b9 MOV %R14,%RDX |
(4) 0x29bc SAL $0x4,%RDX |
(4) 0x29c0 MOV %RCX,%RSI |
(4) 0x29c3 SAL $0x4,%RSI |
(4) 0x29c7 ADD -0x58(%RBP),%RSI |
(4) 0x29cb LEA (%RSI,%RDX,1),%RDI |
(4) 0x29cf CMP %RDI,%RAX |
(4) 0x29d2 JAE 2a21 |
(4) 0x29d4 ADD %RAX,%RDX |
(4) 0x29d7 CMP %RDX,%RSI |
(4) 0x29da JAE 2a21 |
(4) 0x29dc XOR %EDX,%EDX |
(4) 0x29de MOV %RDX,%RDI |
(4) 0x29e1 TEST $0x1,%R14B |
(4) 0x29e5 JE 2b40 |
(4) 0x29eb MOV (%R13,%RDX,4),%ESI |
(4) 0x29f0 TEST %ESI,%ESI |
(4) 0x29f2 JE 2b19 |
(4) 0x29f8 VCVTSI2SD %ESI,%XMM10,%XMM0 |
(4) 0x29fc MOV %RDX,%RSI |
(4) 0x29ff SAL $0x4,%RSI |
(4) 0x2a03 VMOVSD (%R15,%RDX,8),%XMM1 |
(4) 0x2a09 VMOVHPD (%R12,%RDX,8),%XMM1,%XMM1 |
(4) 0x2a0f VMOVDDUP %XMM0,%XMM0 |
(4) 0x2a13 VDIVPD %XMM0,%XMM1,%XMM0 |
(4) 0x2a17 VMOVUPD %XMM0,(%RAX,%RSI,1) |
(4) 0x2a1c JMP 2b25 |
(4) 0x2a21 MOV %R14D,%EDX |
(4) 0x2a24 AND $0x7ffffffc,%EDX |
(4) 0x2a2a MOV %R14D,%ESI |
(4) 0x2a2d IMUL %EBX,%ESI |
(4) 0x2a30 SAL $0x4,%RSI |
(4) 0x2a34 ADD -0x58(%RBP),%RSI |
(4) 0x2a38 LEA (%R14,%R14,1),%EDI |
(4) 0x2a3c AND $-0x8,%EDI |
(4) 0x2a3f VPBROADCASTQ %RAX,%YMM0 |
(4) 0x2a45 XOR %R8D,%R8D |
(4) 0x2a48 VPMOVSXBQ 0x1637(%RIP),%YMM1 |
(4) 0x2a51 NOPW %CS:(%RAX,%RAX,1) |
(6) 0x2a60 VMOVDQA (%R13,%R8,2),%XMM2 |
(6) 0x2a67 VPTESTMD %XMM2,%XMM2,%K2 |
(6) 0x2a6d VMOVUPD (%R15,%R8,4),%YMM3{%K2}{z} |
(6) 0x2a74 VCVTDQ2PD %XMM2,%YMM4 |
(6) 0x2a78 VDIVPD %YMM4,%YMM3,%YMM3 |
(6) 0x2a7c VPSLLQ $0x4,%YMM1,%YMM5 |
(6) 0x2a81 KMOVQ %K2,%K1 |
(6) 0x2a86 VSCATTERQPD %YMM3,(%RAX,%YMM5,1){%K1} |
(6) 0x2a8d VPTESTNMD %XMM2,%XMM2,%K1 |
(6) 0x2a93 VPADDQ %YMM5,%YMM0,%YMM2 |
(6) 0x2a97 VMOVUPD (%R12,%R8,4),%YMM6{%K2}{z} |
(6) 0x2a9e VDIVPD %YMM4,%YMM6,%YMM4 |
(6) 0x2aa2 VSCATTERQPD %YMM4,0x8(,%YMM2,1){%K2} |
(6) 0x2aad VXORPD %XMM6,%XMM6,%XMM6 |
(6) 0x2ab1 KMOVQ %K1,%K2 |
(6) 0x2ab6 VGATHERQPD (%RAX,%YMM5,1),%YMM6{%K2} |
(6) 0x2abd VXORPD %XMM5,%XMM5,%XMM5 |
(6) 0x2ac1 KMOVQ %K1,%K2 |
(6) 0x2ac6 VGATHERQPD 0x8(,%YMM2,1),%YMM5{%K2} |
(6) 0x2ad1 VMOVAPD %YMM5,%YMM4{%K1} |
(6) 0x2ad7 VMOVAPD %YMM6,%YMM3{%K1} |
(6) 0x2add VMOVAPD %YMM3,%YMM2 |
(6) 0x2ae1 VPERMT2PD %YMM4,%YMM8,%YMM3 |
(6) 0x2ae7 VMOVUPD %YMM3,0x20(%RSI,%R8,8) |
(6) 0x2aee VPERMT2PD %YMM4,%YMM7,%YMM2 |
(6) 0x2af4 VMOVUPD %YMM2,(%RSI,%R8,8) |
(6) 0x2afa VPADDQ %YMM1,%YMM9,%YMM1 |
(6) 0x2afe ADD $0x8,%R8 |
(6) 0x2b02 CMP %R8,%RDI |
(6) 0x2b05 JNE 2a60 |
(4) 0x2b0b CMP %R14D,%EDX |
(4) 0x2b0e JE 27e3 |
(4) 0x2b14 JMP 29de |
(4) 0x2b19 MOV %RDX,%RSI |
(4) 0x2b1c SAL $0x4,%RSI |
(4) 0x2b20 VMOVUPD (%RAX,%RSI,1),%XMM0 |
(4) 0x2b25 MOV %RDX,%RSI |
(4) 0x2b28 SAL $0x4,%RSI |
(4) 0x2b2c ADD -0x58(%RBP),%RSI |
(4) 0x2b30 SAL $0x4,%RCX |
(4) 0x2b34 VMOVUPD %XMM0,(%RCX,%RSI,1) |
(4) 0x2b39 MOV %RDX,%RDI |
(4) 0x2b3c OR $0x1,%RDI |
(4) 0x2b40 LEA -0x1(%R14),%RCX |
(4) 0x2b44 CMP %RCX,%RDX |
(4) 0x2b47 JE 27e3 |
(4) 0x2b4d MOV %RDI,%RDX |
(4) 0x2b50 SAL $0x4,%RDX |
(4) 0x2b54 MOV %R14D,%ECX |
(4) 0x2b57 IMUL %EBX,%ECX |
(4) 0x2b5a SAL $0x4,%RCX |
(4) 0x2b5e MOV -0x70(%RBP),%RSI |
(4) 0x2b62 ADD %RDX,%RSI |
(4) 0x2b65 ADD %RSI,%RCX |
(4) 0x2b68 SUB %RDI,%R14 |
(4) 0x2b6b ADD %RDX,%RAX |
(4) 0x2b6e ADD $0x10,%RAX |
(4) 0x2b72 LEA (%R12,%RDI,8),%RDX |
(4) 0x2b76 ADD $0x8,%RDX |
(4) 0x2b7a LEA (%R15,%RDI,8),%RSI |
(4) 0x2b7e ADD $0x8,%RSI |
(4) 0x2b82 LEA 0x4(,%RDI,4),%RDI |
(4) 0x2b8a ADD %R13,%RDI |
(4) 0x2b8d XOR %R8D,%R8D |
(4) 0x2b90 JMP 2c0a |
0x2b92 NOPW %CS:(%RAX,%RAX,1) |
(5) 0x2ba0 VMOVUPD -0x10(%RAX,%R8,4),%XMM0 |
(5) 0x2ba7 VMOVUPD %XMM0,-0x10(%RCX,%R8,4) |
(5) 0x2bae MOV (%RDI,%R8,1),%R9D |
(5) 0x2bb2 TEST %R9D,%R9D |
(5) 0x2bb5 JE 2bf0 |
(5) 0x2bb7 VCVTSI2SD %R9D,%XMM10,%XMM0 |
(5) 0x2bbc VMOVSD (%RSI,%R8,2),%XMM1 |
(5) 0x2bc2 VMOVHPD (%RDX,%R8,2),%XMM1,%XMM1 |
(5) 0x2bc8 VMOVDDUP %XMM0,%XMM0 |
(5) 0x2bcc VDIVPD %XMM0,%XMM1,%XMM0 |
(5) 0x2bd0 VMOVUPD %XMM0,(%RAX,%R8,4) |
(5) 0x2bd6 VMOVUPD %XMM0,(%RCX,%R8,4) |
(5) 0x2bdc ADD $0x8,%R8 |
(5) 0x2be0 ADD $-0x2,%R14 |
(5) 0x2be4 JNE 2c0a |
(4) 0x2be6 JMP 27e3 |
0x2beb NOPL (%RAX,%RAX,1) |
(5) 0x2bf0 VMOVUPD (%RAX,%R8,4),%XMM0 |
(5) 0x2bf6 VMOVUPD %XMM0,(%RCX,%R8,4) |
(5) 0x2bfc ADD $0x8,%R8 |
(5) 0x2c00 ADD $-0x2,%R14 |
(5) 0x2c04 JE 27e3 |
(5) 0x2c0a MOV -0x4(%RDI,%R8,1),%R9D |
(5) 0x2c0f TEST %R9D,%R9D |
(5) 0x2c12 JE 2ba0 |
(5) 0x2c14 VCVTSI2SD %R9D,%XMM10,%XMM0 |
(5) 0x2c19 VMOVSD -0x8(%RSI,%R8,2),%XMM1 |
(5) 0x2c20 VMOVHPD -0x8(%RDX,%R8,2),%XMM1,%XMM1 |
(5) 0x2c27 VMOVDDUP %XMM0,%XMM0 |
(5) 0x2c2b VDIVPD %XMM0,%XMM1,%XMM0 |
(5) 0x2c2f VMOVUPD %XMM0,-0x10(%RAX,%R8,4) |
(5) 0x2c36 VMOVUPD %XMM0,-0x10(%RCX,%R8,4) |
(5) 0x2c3d MOV (%RDI,%R8,1),%R9D |
(5) 0x2c41 TEST %R9D,%R9D |
(5) 0x2c44 JNE 2bb7 |
(5) 0x2c4a JMP 2bf0 |
0x2c4c MOV %FS:0x28,%RAX |
0x2c55 CMP -0x30(%RBP),%RAX |
0x2c59 JNE 2c6d |
0x2c5b LEA -0x28(%RBP),%RSP |
0x2c5f POP %RBX |
0x2c60 POP %R12 |
0x2c62 POP %R13 |
0x2c64 POP %R14 |
0x2c66 POP %R15 |
0x2c68 POP %RBP |
0x2c69 VZEROUPPER |
0x2c6c RET |
0x2c6d VZEROUPPER |
0x2c70 CALL 2110 <__stack_chk_fail@plt> |
0x2c75 NOPW %CS:(%RAX,%RAX,1) |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:125 | 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:125 | 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:125 | 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:125 | 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:125 | 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:125 | 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:55-96 |
| 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 2c4c <_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 27f2 <_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 2c6d <_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:55-96 |
| 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 2c4c <_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 27f2 <_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 2c6d <_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: 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 | 0.97 | 0.16 | 0.92 | 0.43 | 0.84 | 0.78 | 0.74 | 1.08 | 0.66 | 1.19 |
| Run | Number of threads | Efficiency (ideal is 1) | Speedup | Ideal Speedup | Time (s) | Coverage (%) |
|---|---|---|---|---|---|---|
| run_1_thread | 1 | 1 | 1 | 1 | 11.034998893738 | 5.7296404838562 |
| run_2_threads | 1 | 0.97 | 1.94 | 2 | 11.005000114441 | 5.5777997970581 |
| run_4_threads | 1 | 0.92 | 3.68 | 4 | 11.005000114441 | 5.319251537323 |
| run_8_threads | 1 | 0.84 | 6.73 | 8 | 11.004999160767 | 4.8682837486267 |
| run_16_threads | 1 | 0.74 | 11.84 | 16 | 11.009998321533 | 4.1669030189514 |
| run_26_threads | 1 | 0.66 | 17.29 | 26 | 11.049998283386 | 3.5393972396851 |
| Name | Coverage (%) | Time (s) |
|---|---|---|
| ▼k_means(int, point_t*, point_t*, int*, point_t*, int, int)– | 5.73 | 11.03 |
| ▼Loop 4 - main.cpp:56-93 - kmeans-clang-O3– | 0.00 | 0.00 |
| ○Loop 7 - main.cpp:81-84 - kmeans-clang-O3 | 5.73 | 11.03 |
| ○Loop 5 - main.cpp:86-92 - kmeans-clang-O3 | 0.00 | 0.00 |
| ○Loop 6 - main.cpp:86-93 - kmeans-clang-O3 | 0.00 | 0.00 |
