| Function: k_means(int, point_t*, point_t*, int*, point_t*, int, int) | Module: kmeans-gcc-O3-all | Source: main.cpp:55-96 [...] | Coverage (incl. loops): 6.68% | (excl. loops): 0.00% |
|---|
| Function: k_means(int, point_t*, point_t*, int*, point_t*, int, int) | Module: kmeans-gcc-O3-all | Source: main.cpp:55-96 [...] | Coverage (incl. loops): 6.68% | (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: } |
0x2ed0 PUSH %RBP |
0x2ed1 VMOVQ %RSI,%XMM3 |
0x2ed6 VMOVD %R9D,%XMM4 |
0x2edb VPINSRQ $0x1,%RDX,%XMM3,%XMM2 |
0x2ee1 MOV %RSP,%RBP |
0x2ee4 PUSH %R15 |
0x2ee6 PUSH %R14 |
0x2ee8 PUSH %R13 |
0x2eea PUSH %R12 |
0x2eec PUSH %RBX |
0x2eed SUB $0xb8,%RSP |
0x2ef4 MOV %RSI,-0x88(%RBP) |
0x2efb MOV %RDX,-0xc8(%RBP) |
0x2f02 MOV %R8,-0xd0(%RBP) |
0x2f09 MOV %FS:0x28,%R8 |
0x2f12 MOV %R8,-0x38(%RBP) |
0x2f16 MOV 0x10(%RBP),%R8D |
0x2f1a VPINSRD $0x1,%R8D,%XMM4,%XMM1 |
0x2f20 TEST %EDI,%EDI |
0x2f22 JLE 330b |
0x2f28 MOVSXD %R8D,%R13 |
0x2f2b MOV %RCX,%R15 |
0x2f2e LEA -0x1(%R8),%EAX |
0x2f32 MOV %R8D,-0x68(%RBP) |
0x2f36 LEA 0xf(,%R13,4),%RCX |
0x2f3e LEA 0xf(,%R13,8),%RSI |
0x2f46 INC %RAX |
0x2f49 MOVL $0,-0x64(%RBP) |
0x2f50 SHR $0x4,%RCX |
0x2f54 SHR $0x4,%RSI |
0x2f58 LEA (,%RAX,4),%RBX |
0x2f60 LEA -0x60(%RBP),%RDX |
0x2f64 SAL $0x3,%RAX |
0x2f68 SAL $0x4,%RCX |
0x2f6c MOV %RDX,-0xa0(%RBP) |
0x2f73 SAL $0x4,%RSI |
0x2f77 MOV %RAX,-0x78(%RBP) |
0x2f7b MOV %RCX,-0x90(%RBP) |
0x2f82 MOV %RSI,-0x98(%RBP) |
0x2f89 MOV %EDI,-0xbc(%RBP) |
0x2f8f MOV %RBX,-0xd8(%RBP) |
0x2f96 MOV %R9D,%EBX |
0x2f99 VMOVDQA %XMM2,-0xb0(%RBP) |
0x2fa1 VMOVQ %XMM1,-0xb8(%RBP) |
0x2fa9 NOPL (%RAX) |
(4) 0x2fb0 MOV -0xb8(%RBP),%R9 |
(4) 0x2fb7 VMOVDQA -0xb0(%RBP),%XMM6 |
(4) 0x2fbf XOR %ECX,%ECX |
(4) 0x2fc1 XOR %EDX,%EDX |
(4) 0x2fc3 MOV -0xa0(%RBP),%RSI |
(4) 0x2fca LEA -0x5d1(%RIP),%RDI |
(4) 0x2fd1 MOV %RSP,-0x70(%RBP) |
(4) 0x2fd5 MOV %R9,-0x48(%RBP) |
(4) 0x2fd9 MOV %R15,-0x50(%RBP) |
(4) 0x2fdd VMOVDQA %XMM6,-0x60(%RBP) |
(4) 0x2fe2 CALL 21b0 <GOMP_parallel@plt> |
(4) 0x2fe7 MOV -0x90(%RBP),%R10 |
(4) 0x2fee MOV -0x98(%RBP),%R14 |
(4) 0x2ff5 MOV 0x10(%RBP),%R11D |
(4) 0x2ff9 SUB %R10,%RSP |
(4) 0x2ffc MOV %RSP,%RCX |
(4) 0x2fff SUB %R14,%RSP |
(4) 0x3002 MOV %RSP,%R12 |
(4) 0x3005 SUB %R14,%RSP |
(4) 0x3008 INCL -0x64(%RBP) |
(4) 0x300b MOV %RSP,%R14 |
(4) 0x300e TEST %R11D,%R11D |
(4) 0x3011 JLE 32e0 |
(4) 0x3017 MOV -0xd8(%RBP),%RDX |
(4) 0x301e MOV %RCX,%RDI |
(4) 0x3021 XOR %ESI,%ESI |
(4) 0x3023 MOV %RCX,-0x80(%RBP) |
(4) 0x3027 CALL 20c0 <memset@plt> |
(4) 0x302c MOV -0x78(%RBP),%RDX |
(4) 0x3030 XOR %ESI,%ESI |
(4) 0x3032 MOV %R12,%RDI |
(4) 0x3035 CALL 20c0 <memset@plt> |
(4) 0x303a MOV -0x78(%RBP),%RDX |
(4) 0x303e XOR %ESI,%ESI |
(4) 0x3040 MOV %RSP,%RDI |
(4) 0x3043 CALL 20c0 <memset@plt> |
(4) 0x3048 TEST %EBX,%EBX |
(4) 0x304a MOV -0x80(%RBP),%RCX |
(4) 0x304e JLE 3222 |
(4) 0x3054 MOVSXD (%R15),%RAX |
(4) 0x3057 MOV -0x88(%RBP),%RDI |
(4) 0x305e LEA -0x1(%RBX),%R8D |
(4) 0x3062 MOV $0x1,%R9D |
(4) 0x3068 AND $0x3,%R8D |
(4) 0x306c VMOVSD (%R12,%RAX,8),%XMM0 |
(4) 0x3072 VMOVSD (%R14,%RAX,8),%XMM7 |
(4) 0x3078 LEA 0x10(%RDI),%R10 |
(4) 0x307c INCL (%RCX,%RAX,4) |
(4) 0x307f VADDSD (%RDI),%XMM0,%XMM5 |
(4) 0x3083 VADDSD 0x8(%RDI),%XMM7,%XMM8 |
(4) 0x3088 VMOVSD %XMM5,(%R12,%RAX,8) |
(4) 0x308e VMOVSD %XMM8,(%R14,%RAX,8) |
(4) 0x3094 CMP $0x1,%EBX |
(4) 0x3097 JLE 3215 |
(4) 0x309d TEST %R8D,%R8D |
(4) 0x30a0 JE 3154 |
(4) 0x30a6 CMP $0x1,%R8D |
(4) 0x30aa JE 3118 |
(4) 0x30ac CMP $0x2,%R8D |
(4) 0x30b0 JE 30e6 |
(4) 0x30b2 MOVSXD 0x4(%R15),%RDX |
(4) 0x30b6 MOV $0x2,%R9D |
(4) 0x30bc VMOVSD (%R12,%RDX,8),%XMM9 |
(4) 0x30c2 VMOVSD (%R14,%RDX,8),%XMM11 |
(4) 0x30c8 INCL (%RCX,%RDX,4) |
(4) 0x30cb VADDSD 0x8(%R10),%XMM11,%XMM12 |
(4) 0x30d1 VADDSD 0x10(%RDI),%XMM9,%XMM10 |
(4) 0x30d6 LEA 0x20(%RDI),%R10 |
(4) 0x30da VMOVSD %XMM10,(%R12,%RDX,8) |
(4) 0x30e0 VMOVSD %XMM12,(%R14,%RDX,8) |
(4) 0x30e6 MOVSXD (%R15,%R9,4),%RSI |
(4) 0x30ea ADD $0x10,%R10 |
(4) 0x30ee INC %R9 |
(4) 0x30f1 VMOVSD (%R12,%RSI,8),%XMM13 |
(4) 0x30f7 VMOVSD (%R14,%RSI,8),%XMM15 |
(4) 0x30fd INCL (%RCX,%RSI,4) |
(4) 0x3100 VADDSD -0x10(%R10),%XMM13,%XMM14 |
(4) 0x3106 VADDSD -0x8(%R10),%XMM15,%XMM3 |
(4) 0x310c VMOVSD %XMM14,(%R12,%RSI,8) |
(4) 0x3112 VMOVSD %XMM3,(%R14,%RSI,8) |
(4) 0x3118 MOVSXD (%R15,%R9,4),%R11 |
(4) 0x311c INC %R9 |
(4) 0x311f ADD $0x10,%R10 |
(4) 0x3123 VMOVSD (%R12,%R11,8),%XMM2 |
(4) 0x3129 VMOVSD (%R14,%R11,8),%XMM1 |
(4) 0x312f INCL (%RCX,%R11,4) |
(4) 0x3133 VADDSD -0x10(%R10),%XMM2,%XMM4 |
(4) 0x3139 VADDSD -0x8(%R10),%XMM1,%XMM6 |
(4) 0x313f VMOVSD %XMM4,(%R12,%R11,8) |
(4) 0x3145 VMOVSD %XMM6,(%R14,%R11,8) |
(4) 0x314b CMP %R9D,%EBX |
(4) 0x314e JLE 3215 |
(6) 0x3154 MOVSXD (%R15,%R9,4),%R8 |
(6) 0x3158 MOVSXD 0x4(%R15,%R9,4),%RAX |
(6) 0x315d ADD $0x40,%R10 |
(6) 0x3161 MOVSXD 0x8(%R15,%R9,4),%RDI |
(6) 0x3166 MOVSXD 0xc(%R15,%R9,4),%RDX |
(6) 0x316b ADD $0x4,%R9 |
(6) 0x316f VMOVSD (%R12,%R8,8),%XMM0 |
(6) 0x3175 VMOVSD (%R14,%R8,8),%XMM7 |
(6) 0x317b INCL (%RCX,%R8,4) |
(6) 0x317f VADDSD -0x40(%R10),%XMM0,%XMM5 |
(6) 0x3185 VADDSD -0x38(%R10),%XMM7,%XMM8 |
(6) 0x318b VMOVSD %XMM5,(%R12,%R8,8) |
(6) 0x3191 VMOVSD (%R12,%RAX,8),%XMM9 |
(6) 0x3197 VMOVSD %XMM8,(%R14,%R8,8) |
(6) 0x319d VMOVSD (%R14,%RAX,8),%XMM11 |
(6) 0x31a3 INCL (%RCX,%RAX,4) |
(6) 0x31a6 VADDSD -0x30(%R10),%XMM9,%XMM10 |
(6) 0x31ac VADDSD -0x28(%R10),%XMM11,%XMM12 |
(6) 0x31b2 VMOVSD %XMM10,(%R12,%RAX,8) |
(6) 0x31b8 VMOVSD (%R12,%RDI,8),%XMM13 |
(6) 0x31be VMOVSD %XMM12,(%R14,%RAX,8) |
(6) 0x31c4 VMOVSD (%R14,%RDI,8),%XMM15 |
(6) 0x31ca INCL (%RCX,%RDI,4) |
(6) 0x31cd VADDSD -0x20(%R10),%XMM13,%XMM14 |
(6) 0x31d3 VADDSD -0x18(%R10),%XMM15,%XMM3 |
(6) 0x31d9 VMOVSD %XMM14,(%R12,%RDI,8) |
(6) 0x31df VMOVSD (%R12,%RDX,8),%XMM2 |
(6) 0x31e5 INCL (%RCX,%RDX,4) |
(6) 0x31e8 VMOVSD %XMM3,(%R14,%RDI,8) |
(6) 0x31ee VADDSD -0x10(%R10),%XMM2,%XMM4 |
(6) 0x31f4 VMOVSD %XMM4,(%R12,%RDX,8) |
(6) 0x31fa VMOVSD (%R14,%RDX,8),%XMM1 |
(6) 0x3200 VADDSD -0x8(%R10),%XMM1,%XMM6 |
(6) 0x3206 VMOVSD %XMM6,(%R14,%RDX,8) |
(6) 0x320c CMP %R9D,%EBX |
(6) 0x320f JG 3154 |
(4) 0x3215 MOV 0x10(%RBP),%R9D |
(4) 0x3219 TEST %R9D,%R9D |
(4) 0x321c JLE 32f0 |
(4) 0x3222 MOVSXD -0x68(%RBP),%R10 |
(4) 0x3226 MOV -0xd0(%RBP),%RSI |
(4) 0x322d XOR %EAX,%EAX |
(4) 0x322f MOV -0xc8(%RBP),%R11 |
(4) 0x3236 SAL $0x4,%R10 |
(4) 0x323a ADD %RSI,%R10 |
(4) 0x323d LEA 0x8(%R11),%R8 |
(4) 0x3241 JMP 32a6 |
0x3243 NOPW %CS:(%RAX,%RAX,1) |
0x324e NOPW %CS:(%RAX,%RAX,1) |
0x3259 NOPW %CS:(%RAX,%RAX,1) |
0x3264 NOPW %CS:(%RAX,%RAX,1) |
0x326f NOPW %CS:(%RAX,%RAX,1) |
0x327a NOPW (%RAX,%RAX,1) |
(5) 0x3280 VMOVSD -0x8(%R8),%XMM8 |
(5) 0x3286 VMOVSD (%R8),%XMM10 |
(5) 0x328b INC %RAX |
(5) 0x328e VMOVSD %XMM8,(%R10) |
(5) 0x3293 ADD $0x10,%R8 |
(5) 0x3297 ADD $0x10,%R10 |
(5) 0x329b VMOVSD %XMM10,-0x8(%R10) |
(5) 0x32a1 CMP %RAX,%R13 |
(5) 0x32a4 JE 32f0 |
(5) 0x32a6 MOV (%RCX,%RAX,4),%EDI |
(5) 0x32a9 TEST %EDI,%EDI |
(5) 0x32ab JE 3280 |
(5) 0x32ad VXORPD %XMM0,%XMM0,%XMM0 |
(5) 0x32b1 VMOVSD (%R12,%RAX,8),%XMM7 |
(5) 0x32b7 VCVTSI2SD %EDI,%XMM0,%XMM5 |
(5) 0x32bb VDIVSD %XMM5,%XMM7,%XMM8 |
(5) 0x32bf VMOVSD %XMM8,-0x8(%R8) |
(5) 0x32c5 VMOVSD (%R14,%RAX,8),%XMM9 |
(5) 0x32cb VDIVSD %XMM5,%XMM9,%XMM10 |
(5) 0x32cf VMOVSD %XMM10,(%R8) |
(5) 0x32d4 JMP 328b |
0x32d6 NOPW %CS:(%RAX,%RAX,1) |
(4) 0x32e0 TEST %EBX,%EBX |
(4) 0x32e2 JG 3054 |
(4) 0x32e8 NOPL (%RAX,%RAX,1) |
(4) 0x32f0 MOV 0x10(%RBP),%ECX |
(4) 0x32f3 MOV -0x64(%RBP),%R12D |
(4) 0x32f7 MOV -0x70(%RBP),%RSP |
(4) 0x32fb ADD %ECX,-0x68(%RBP) |
(4) 0x32fe CMP %R12D,-0xbc(%RBP) |
(4) 0x3305 JNE 2fb0 |
0x330b MOV -0x38(%RBP),%RAX |
0x330f SUB %FS:0x28,%RAX |
0x3318 JNE 3329 |
0x331a LEA -0x28(%RBP),%RSP |
0x331e POP %RBX |
0x331f POP %R12 |
0x3321 POP %R13 |
0x3323 POP %R14 |
0x3325 POP %R15 |
0x3327 POP %RBP |
0x3328 RET |
0x3329 CALL 2130 <__stack_chk_fail@plt> |
0x332e XCHG %AX,%AX |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:19 | kmeans-gcc-O3-all |
| ○ | __libc_init_first | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | basic_string.h:809 | kmeans-gcc-O3-all |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:19 | kmeans-gcc-O3-all |
| ○ | __libc_init_first | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | basic_string.h:809 | kmeans-gcc-O3-all |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:19 | kmeans-gcc-O3-all |
| ○ | __libc_init_first | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | basic_string.h:809 | kmeans-gcc-O3-all |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:19 | kmeans-gcc-O3-all |
| ○ | __libc_init_first | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | basic_string.h:809 | kmeans-gcc-O3-all |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:19 | kmeans-gcc-O3-all |
| ○ | __libc_init_first | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | basic_string.h:809 | kmeans-gcc-O3-all |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | main | main.cpp:19 | kmeans-gcc-O3-all |
| ○ | __libc_init_first | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | basic_string.h:809 | kmeans-gcc-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:55-96 |
| Module | kmeans-gcc-O3-all |
| nb instructions | 65 |
| nb uops | 68 |
| loop length | 332 |
| used x86 registers | 14 |
| used mmx registers | 0 |
| used xmm registers | 4 |
| used ymm registers | 0 |
| used zmm registers | 0 |
| nb stack references | 17 |
| micro-operation queue | 17.00 cycles |
| front end | 17.00 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 | 20.12 |
| Stall cycles | 2.93 |
| SB full (events) | 3.61 |
| Front-end | 17.00 |
| Dispatch | 21.00 |
| Overall L1 | 21.00 |
| all | 3% |
| 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 | 10% |
| 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,%XMM3 | 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,%XMM3,%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 %RSI,-0x88(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| MOV %RDX,-0xc8(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| MOV %R8,-0xd0(%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,%XMM1 | 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 330b <_Z7k_meansiP7point_tS0_PiS0_ii+0x43b> | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0.50-1 | N/A |
| MOVSXD %R8D,%R13 | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | N/A |
| MOV %RCX,%R15 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | scal (12.5%) |
| LEA -0x1(%R8),%EAX | 1 | 0 | 0.50 | 0 | 0 | 0 | 0.50 | 0 | 0 | 1 | 0.50 | N/A |
| MOV %R8D,-0x68(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (6.3%) |
| LEA 0xf(,%R13,4),%RCX | 1 | 0 | 0.50 | 0 | 0 | 0 | 0.50 | 0 | 0 | 1 | 0.50 | N/A |
| LEA 0xf(,%R13,8),%RSI | 1 | 0 | 0.50 | 0 | 0 | 0 | 0.50 | 0 | 0 | 1 | 0.50 | N/A |
| INC %RAX | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | N/A |
| MOVL $0,-0x64(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 2 | 1 | scal (6.3%) |
| SHR $0x4,%RCX | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 1 | 0.50 | scal (12.5%) |
| SHR $0x4,%RSI | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 1 | 0.50 | scal (12.5%) |
| LEA (,%RAX,4),%RBX | 1 | 0 | 0.50 | 0 | 0 | 0 | 0.50 | 0 | 0 | 1 | 0.50 | N/A |
| LEA -0x60(%RBP),%RDX | 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 |
| SAL $0x4,%RCX | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 1 | 0.50 | scal (12.5%) |
| MOV %RDX,-0xa0(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| SAL $0x4,%RSI | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 1 | 0.50 | scal (12.5%) |
| MOV %RAX,-0x78(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| MOV %RCX,-0x90(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| MOV %RSI,-0x98(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| MOV %EDI,-0xbc(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (6.3%) |
| MOV %RBX,-0xd8(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| MOV %R9D,%EBX | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | scal (6.3%) |
| VMOVDQA %XMM2,-0xb0(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 4 | 1 | vect (25.0%) |
| VMOVQ %XMM1,-0xb8(%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 |
| 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 (%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 |
| 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 3329 <_Z7k_meansiP7point_tS0_PiS0_ii+0x459> | 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 |
| XCHG %AX,%AX | 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-all |
| nb instructions | 65 |
| nb uops | 68 |
| loop length | 332 |
| used x86 registers | 14 |
| used mmx registers | 0 |
| used xmm registers | 4 |
| used ymm registers | 0 |
| used zmm registers | 0 |
| nb stack references | 17 |
| micro-operation queue | 17.00 cycles |
| front end | 17.00 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 | 20.12 |
| Stall cycles | 2.93 |
| SB full (events) | 3.61 |
| Front-end | 17.00 |
| Dispatch | 21.00 |
| Overall L1 | 21.00 |
| all | 3% |
| 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 | 10% |
| 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,%XMM3 | 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,%XMM3,%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 %RSI,-0x88(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| MOV %RDX,-0xc8(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| MOV %R8,-0xd0(%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,%XMM1 | 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 330b <_Z7k_meansiP7point_tS0_PiS0_ii+0x43b> | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0.50-1 | N/A |
| MOVSXD %R8D,%R13 | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | N/A |
| MOV %RCX,%R15 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | scal (12.5%) |
| LEA -0x1(%R8),%EAX | 1 | 0 | 0.50 | 0 | 0 | 0 | 0.50 | 0 | 0 | 1 | 0.50 | N/A |
| MOV %R8D,-0x68(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (6.3%) |
| LEA 0xf(,%R13,4),%RCX | 1 | 0 | 0.50 | 0 | 0 | 0 | 0.50 | 0 | 0 | 1 | 0.50 | N/A |
| LEA 0xf(,%R13,8),%RSI | 1 | 0 | 0.50 | 0 | 0 | 0 | 0.50 | 0 | 0 | 1 | 0.50 | N/A |
| INC %RAX | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | N/A |
| MOVL $0,-0x64(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 2 | 1 | scal (6.3%) |
| SHR $0x4,%RCX | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 1 | 0.50 | scal (12.5%) |
| SHR $0x4,%RSI | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 1 | 0.50 | scal (12.5%) |
| LEA (,%RAX,4),%RBX | 1 | 0 | 0.50 | 0 | 0 | 0 | 0.50 | 0 | 0 | 1 | 0.50 | N/A |
| LEA -0x60(%RBP),%RDX | 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 |
| SAL $0x4,%RCX | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 1 | 0.50 | scal (12.5%) |
| MOV %RDX,-0xa0(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| SAL $0x4,%RSI | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 1 | 0.50 | scal (12.5%) |
| MOV %RAX,-0x78(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| MOV %RCX,-0x90(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| MOV %RSI,-0x98(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| MOV %EDI,-0xbc(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (6.3%) |
| MOV %RBX,-0xd8(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (12.5%) |
| MOV %R9D,%EBX | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | scal (6.3%) |
| VMOVDQA %XMM2,-0xb0(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 4 | 1 | vect (25.0%) |
| VMOVQ %XMM1,-0xb8(%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 |
| 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 (%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 |
| 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 3329 <_Z7k_meansiP7point_tS0_PiS0_ii+0x459> | 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 |
| XCHG %AX,%AX | 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 | 0.94 | 0.4 | 0.84 | 1.05 | 0.7 | 1.97 | 0.52 | 3.02 | 0.41 | 3.67 |
| Run | Number of threads | Efficiency (ideal is 1) | Speedup | Ideal Speedup | Time (s) | Coverage (%) |
|---|---|---|---|---|---|---|
| run_1_thread | 1 | 1 | 1 | 1 | 10.869998931885 | 6.683473110199 |
| run_2_threads | 1 | 0.94 | 1.88 | 2 | 10.874998092651 | 6.66544008255 |
| run_4_threads | 1 | 0.84 | 3.37 | 4 | 10.86999797821 | 6.6137313842773 |
| run_8_threads | 1 | 0.7 | 5.59 | 8 | 10.859998703003 | 6.5203685760498 |
| run_16_threads | 1 | 0.52 | 8.39 | 16 | 10.875000953674 | 6.3589053153992 |
| run_26_threads | 1 | 0.41 | 10.53 | 26 | 10.885000228882 | 6.164345741272 |
| Name | Coverage (%) | Time (s) |
|---|---|---|
| ▼k_means(int, point_t*, point_t*, int*, point_t*, int, int)– | 6.68 | 10.87 |
| ▼Loop 4 - main.cpp:56-95 - kmeans-gcc-O3-all– | 0.00 | 0.00 |
| ○Loop 6 - main.cpp:81-84 - kmeans-gcc-O3-all | 6.68 | 10.87 |
| ○Loop 5 - main.cpp:86-93 - kmeans-gcc-O3-all | 0.00 | 0.00 |
