| Function: k_means(int, point_t*, point_t*, int*, point_t*, int, int) [clone .extracted] | Module: kmeans-icpx-O3-all | Source: main.cpp:70-82 | Coverage (incl. loops): 92.78% | (excl. loops): 0.00% |
|---|
| Function: k_means(int, point_t*, point_t*, int*, point_t*, int, int) [clone .extracted] | Module: kmeans-icpx-O3-all | Source: main.cpp:70-82 | Coverage (incl. loops): 92.78% | (excl. loops): 0.00% |
|---|
/home/fmusial/KMEANS_Benchmarks/kmeans/main.cpp: 70 - 82 |
-------------------------------------------------------------------------------- |
70: #pragma omp parallel for |
71: for (int i = 0; i < n; ++i) { |
72: double optimal_dist = DBL_MAX; |
73: for (int j = 0; j < k; ++j) { |
74: double dist = |
75: (points[i].x - centroids[j].x) * (points[i].x - centroids[j].x) + |
76: (points[i].y - centroids[j].y) * (points[i].y - centroids[j].y); |
77: if (dist < optimal_dist) { |
78: optimal_dist = dist; |
79: assignment[i] = j; |
80: } |
81: } |
82: } |
0x4037a0 PUSH %RBP |
0x4037a1 MOV %RSP,%RBP |
0x4037a4 PUSH %R15 |
0x4037a6 PUSH %R14 |
0x4037a8 PUSH %R13 |
0x4037aa PUSH %R12 |
0x4037ac PUSH %RBX |
0x4037ad SUB $0x18,%RSP |
0x4037b1 MOV 0x18(%RBP),%EAX |
0x4037b4 MOVL $0,-0x38(%RBP) |
0x4037bb TEST %EAX,%EAX |
0x4037bd JS 4039a0 |
0x4037c3 MOV %R9,%RBX |
0x4037c6 MOV %R8,%R14 |
0x4037c9 MOV %RCX,%R13 |
0x4037cc MOV %RDX,%R15 |
0x4037cf MOV (%RDI),%R12D |
0x4037d2 MOVL $0,-0x30(%RBP) |
0x4037d9 MOV %EAX,-0x2c(%RBP) |
0x4037dc MOVL $0x1,-0x34(%RBP) |
0x4037e3 SUB $0x8,%RSP |
0x4037e7 LEA -0x34(%RBP),%RAX |
0x4037eb LEA -0x38(%RBP),%RCX |
0x4037ef LEA -0x30(%RBP),%R8 |
0x4037f3 LEA -0x2c(%RBP),%R9 |
0x4037f7 MOV $0x418160,%EDI |
0x4037fc MOV %R12D,%ESI |
0x4037ff MOV $0x22,%EDX |
0x403804 PUSH $0x1 |
0x403806 PUSH $0x1 |
0x403808 PUSH %RAX |
0x403809 CALL 402200 <__kmpc_for_static_init_4@plt> |
0x40380e ADD $0x20,%RSP |
0x403812 MOV -0x30(%RBP),%EAX |
0x403815 MOV -0x2c(%RBP),%ECX |
0x403818 CMP %ECX,%EAX |
0x40381a JA 403985 |
0x403820 TEST %EBX,%EBX |
0x403822 JLE 403985 |
0x403828 MOV %EBX,%EDX |
0x40382a AND $0x7fffffff,%EDX |
0x403830 SUB %RAX,%RCX |
0x403833 MOV %EBX,%ESI |
0x403835 AND $0x7ffffffc,%ESI |
0x40383b LEA 0x30(%R13),%RDI |
0x40383f SHR $0x2,%EBX |
0x403842 AND $0x1fffffff,%EBX |
0x403848 SAL $0x6,%RBX |
0x40384c ADD %R13,%RBX |
0x40384f XOR %R8D,%R8D |
0x403852 VMOVSD 0x107be(%RIP),%XMM0 |
0x40385a JMP 403870 |
0x40385c NOPL (%RAX) |
(13) 0x403860 LEA 0x1(%R8),%R9 |
(13) 0x403864 CMP %RCX,%R8 |
(13) 0x403867 MOV %R9,%R8 |
(13) 0x40386a JE 403985 |
(13) 0x403870 LEA (%R8,%RAX,1),%R9 |
(13) 0x403874 MOV %R9,%R10 |
(13) 0x403877 SAL $0x4,%R10 |
(13) 0x40387b VMOVUPD (%R15,%R10,1),%XMM1 |
(13) 0x403881 VMOVAPD %XMM0,%XMM2 |
(13) 0x403885 CMP $0x4,%EDX |
(13) 0x403888 JAE 4038d0 |
(13) 0x40388a CMP %RDX,%RSI |
(13) 0x40388d JAE 403860 |
(13) 0x40388f MOV %RBX,%R10 |
(13) 0x403892 MOV %RSI,%R11 |
(13) 0x403895 JMP 4038ac |
0x403897 NOPW (%RAX,%RAX,1) |
(14) 0x4038a0 INC %R11 |
(14) 0x4038a3 ADD $0x10,%R10 |
(14) 0x4038a7 CMP %R11,%RDX |
(14) 0x4038aa JE 403860 |
(14) 0x4038ac VSUBPD (%R10),%XMM1,%XMM3 |
(14) 0x4038b1 VMULPD %XMM3,%XMM3,%XMM3 |
(14) 0x4038b5 VSHUFPD $0x1,%XMM3,%XMM3,%XMM4 |
(14) 0x4038ba VADDSD %XMM3,%XMM4,%XMM3 |
(14) 0x4038be VUCOMISD %XMM2,%XMM3 |
(14) 0x4038c2 JAE 4038a0 |
(14) 0x4038c4 MOV %R11D,(%R14,%R9,4) |
(14) 0x4038c8 VMOVAPD %XMM3,%XMM2 |
(14) 0x4038cc JMP 4038a0 |
0x4038ce XCHG %AX,%AX |
(13) 0x4038d0 MOV %RDI,%R10 |
(13) 0x4038d3 XOR %R11D,%R11D |
(13) 0x4038d6 VMOVAPD %XMM0,%XMM2 |
(13) 0x4038da JMP 4038ed |
0x4038dc NOPL (%RAX) |
(15) 0x4038e0 ADD $0x4,%R11 |
(15) 0x4038e4 ADD $0x40,%R10 |
(15) 0x4038e8 CMP %R11,%RSI |
(15) 0x4038eb JE 40388a |
(15) 0x4038ed VSUBPD -0x30(%R10),%XMM1,%XMM3 |
(15) 0x4038f3 VMULPD %XMM3,%XMM3,%XMM3 |
(15) 0x4038f7 VSHUFPD $0x1,%XMM3,%XMM3,%XMM4 |
(15) 0x4038fc VADDSD %XMM3,%XMM4,%XMM3 |
(15) 0x403900 VUCOMISD %XMM2,%XMM3 |
(15) 0x403904 JAE 40390e |
(15) 0x403906 MOV %R11D,(%R14,%R9,4) |
(15) 0x40390a VMOVAPD %XMM3,%XMM2 |
(15) 0x40390e VSUBPD -0x20(%R10),%XMM1,%XMM3 |
(15) 0x403914 VMULPD %XMM3,%XMM3,%XMM3 |
(15) 0x403918 VSHUFPD $0x1,%XMM3,%XMM3,%XMM4 |
(15) 0x40391d VADDSD %XMM3,%XMM4,%XMM3 |
(15) 0x403921 VUCOMISD %XMM2,%XMM3 |
(15) 0x403925 JAE 403933 |
(15) 0x403927 LEA 0x1(%R11),%R13D |
(15) 0x40392b MOV %R13D,(%R14,%R9,4) |
(15) 0x40392f VMOVAPD %XMM3,%XMM2 |
(15) 0x403933 VSUBPD -0x10(%R10),%XMM1,%XMM3 |
(15) 0x403939 VMULPD %XMM3,%XMM3,%XMM3 |
(15) 0x40393d VSHUFPD $0x1,%XMM3,%XMM3,%XMM4 |
(15) 0x403942 VADDSD %XMM3,%XMM4,%XMM3 |
(15) 0x403946 VUCOMISD %XMM2,%XMM3 |
(15) 0x40394a JAE 403958 |
(15) 0x40394c LEA 0x2(%R11),%R13D |
(15) 0x403950 MOV %R13D,(%R14,%R9,4) |
(15) 0x403954 VMOVAPD %XMM3,%XMM2 |
(15) 0x403958 VSUBPD (%R10),%XMM1,%XMM3 |
(15) 0x40395d VMULPD %XMM3,%XMM3,%XMM3 |
(15) 0x403961 VSHUFPD $0x1,%XMM3,%XMM3,%XMM4 |
(15) 0x403966 VADDSD %XMM3,%XMM4,%XMM3 |
(15) 0x40396a VUCOMISD %XMM2,%XMM3 |
(15) 0x40396e JAE 4038e0 |
(15) 0x403974 LEA 0x3(%R11),%R13D |
(15) 0x403978 MOV %R13D,(%R14,%R9,4) |
(15) 0x40397c VMOVAPD %XMM3,%XMM2 |
(15) 0x403980 JMP 4038e0 |
0x403985 MOV $0x418180,%EDI |
0x40398a MOV %R12D,%ESI |
0x40398d ADD $0x18,%RSP |
0x403991 POP %RBX |
0x403992 POP %R12 |
0x403994 POP %R13 |
0x403996 POP %R14 |
0x403998 POP %R15 |
0x40399a POP %RBP |
0x40399b JMP 402050 |
0x4039a0 ADD $0x18,%RSP |
0x4039a4 POP %RBX |
0x4039a5 POP %R12 |
0x4039a7 POP %R13 |
0x4039a9 POP %R14 |
0x4039ab POP %R15 |
0x4039ad POP %RBP |
0x4039ae RET |
0x4039af NOP |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | __kmp_invoke_microtask | libiomp5.so | |
| ○ | __kmp_serial_fork_call(ident*,[...] | libiomp5.so | |
| ○ | __kmp_fork_call | libiomp5.so | |
| ○ | __kmpc_fork_call | libiomp5.so | |
| ○ | k_means(int, point_t*, point_t[...] | main.cpp:70 | kmeans-icpx-O3-all |
| ○ | main | main.cpp:27 | kmeans-icpx-O3-all |
| ○ | __libc_init_first | libc.so.6 | |
| ○ | __libc_start_main | libc.so.6 | |
| ○ | _start | kmeans-icpx-O3-all |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | __kmp_invoke_microtask | libiomp5.so | |
| ○ | __kmp_invoke_task_func | libiomp5.so |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | __kmp_invoke_microtask | libiomp5.so | |
| ○ | __kmp_invoke_task_func | libiomp5.so |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | __kmp_invoke_microtask | libiomp5.so | |
| ○ | __kmp_invoke_task_func | libiomp5.so |
| Coverage (%) | Name | Source Location | Module |
|---|---|---|---|
| ►100.00+ | __kmp_invoke_microtask | libiomp5.so | |
| ○ | __kmp_invoke_task_func | libiomp5.so |
| 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:70-82 |
| Module | kmeans-icpx-O3-all |
| nb instructions | 75 |
| nb uops | 76 |
| loop length | 250 |
| used x86 registers | 14 |
| used mmx registers | 0 |
| used xmm registers | 1 |
| used ymm registers | 0 |
| used zmm registers | 0 |
| nb stack references | 5 |
| micro-operation queue | 19.00 cycles |
| front end | 19.00 cycles |
| P0 | P1 | P2 | P3 | P4 | P5 | P6 | P7 | |
|---|---|---|---|---|---|---|---|---|
| uops | 7.50 | 7.50 | 10.83 | 10.50 | 14.00 | 7.50 | 7.50 | 10.67 |
| cycles | 7.50 | 7.50 | 10.83 | 10.50 | 14.00 | 7.50 | 7.50 | 10.67 |
| Cycles executing div or sqrt instructions | NA |
| FE+BE cycles | 18.89 |
| Stall cycles | 0.00 |
| Front-end | 19.00 |
| Dispatch | 14.00 |
| Overall L1 | 19.00 |
| all | 0% |
| load | 0% |
| store | 0% |
| mul | NA (no mul vectorizable/vectorized instructions) |
| add-sub | 0% |
| fma | NA (no fma vectorizable/vectorized instructions) |
| other | 0% |
| all | 0% |
| load | 0% |
| store | NA (no store vectorizable/vectorized instructions) |
| mul | NA (no mul vectorizable/vectorized instructions) |
| add-sub | NA (no add-sub vectorizable/vectorized instructions) |
| fma | NA (no fma vectorizable/vectorized instructions) |
| div/sqrt | NA (no div/sqrt vectorizable/vectorized instructions) |
| other | NA (no other vectorizable/vectorized instructions) |
| all | 0% |
| load | 0% |
| 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 | 0% |
| all | 7% |
| load | 6% |
| store | 6% |
| mul | NA (no mul vectorizable/vectorized instructions) |
| add-sub | 12% |
| fma | NA (no fma vectorizable/vectorized instructions) |
| other | 7% |
| all | 12% |
| load | 12% |
| store | NA (no store vectorizable/vectorized instructions) |
| mul | NA (no mul vectorizable/vectorized instructions) |
| add-sub | NA (no add-sub vectorizable/vectorized instructions) |
| fma | NA (no fma vectorizable/vectorized instructions) |
| div/sqrt | NA (no div/sqrt vectorizable/vectorized instructions) |
| other | NA (no other vectorizable/vectorized instructions) |
| all | 7% |
| load | 8% |
| store | 6% |
| 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 | 7% |
| 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 $0x18,%RSP | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | N/A |
| MOV 0x18(%RBP),%EAX | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 4-5 | 0.50 | N/A |
| MOVL $0,-0x38(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 2 | 1 | scal (6.3%) |
| TEST %EAX,%EAX | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | scal (6.3%) |
| JS 4039a0 <_Z7k_meansiP7point_tS0_PiS0_ii.extracted+0x200> | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0.50-1 | N/A |
| MOV %R9,%RBX | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | scal (12.5%) |
| MOV %R8,%R14 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | scal (12.5%) |
| MOV %RCX,%R13 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | N/A |
| MOV %RDX,%R15 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | scal (12.5%) |
| MOV (%RDI),%R12D | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 4-5 | 0.50 | scal (6.3%) |
| MOVL $0,-0x30(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 2 | 1 | scal (6.3%) |
| MOV %EAX,-0x2c(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (6.3%) |
| MOVL $0x1,-0x34(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 2 | 1 | scal (6.3%) |
| SUB $0x8,%RSP | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | N/A |
| LEA -0x34(%RBP),%RAX | 1 | 0 | 0.50 | 0 | 0 | 0 | 0.50 | 0 | 0 | 1 | 0.50 | N/A |
| LEA -0x38(%RBP),%RCX | 1 | 0 | 0.50 | 0 | 0 | 0 | 0.50 | 0 | 0 | 1 | 0.50 | N/A |
| LEA -0x30(%RBP),%R8 | 1 | 0 | 0.50 | 0 | 0 | 0 | 0.50 | 0 | 0 | 1 | 0.50 | N/A |
| LEA -0x2c(%RBP),%R9 | 1 | 0 | 0.50 | 0 | 0 | 0 | 0.50 | 0 | 0 | 1 | 0.50 | N/A |
| MOV $0x418160,%EDI | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | N/A |
| MOV %R12D,%ESI | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | scal (6.3%) |
| MOV $0x22,%EDX | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | scal (6.3%) |
| PUSH $0x1 | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | N/A |
| PUSH $0x1 | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | N/A |
| PUSH %RAX | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | N/A |
| CALL 402200 <__kmpc_for_static_init_4@plt> | 2 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 1 | 0.33 | 0 | 1 | N/A |
| ADD $0x20,%RSP | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | N/A |
| MOV -0x30(%RBP),%EAX | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 4-5 | 0.50 | N/A |
| MOV -0x2c(%RBP),%ECX | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 4-5 | 0.50 | scal (6.3%) |
| CMP %ECX,%EAX | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | scal (6.3%) |
| JA 403985 <_Z7k_meansiP7point_tS0_PiS0_ii.extracted+0x1e5> | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0.50-1 | N/A |
| TEST %EBX,%EBX | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | scal (6.3%) |
| JLE 403985 <_Z7k_meansiP7point_tS0_PiS0_ii.extracted+0x1e5> | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0.50-1 | N/A |
| MOV %EBX,%EDX | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | scal (6.3%) |
| AND $0x7fffffff,%EDX | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | scal (6.3%) |
| SUB %RAX,%RCX | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | scal (12.5%) |
| MOV %EBX,%ESI | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | scal (6.3%) |
| AND $0x7ffffffc,%ESI | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | scal (6.3%) |
| LEA 0x30(%R13),%RDI | 1 | 0 | 0.50 | 0 | 0 | 0 | 0.50 | 0 | 0 | 1 | 0.50 | N/A |
| SHR $0x2,%EBX | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 1 | 0.50 | scal (6.3%) |
| AND $0x1fffffff,%EBX | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | scal (6.3%) |
| SAL $0x6,%RBX | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 1 | 0.50 | scal (12.5%) |
| ADD %R13,%RBX | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | scal (12.5%) |
| XOR %R8D,%R8D | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | scal (6.3%) |
| VMOVSD 0x107be(%RIP),%XMM0 | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 4-5 | 0.50 | scal (12.5%) |
| JMP 403870 <_Z7k_meansiP7point_tS0_PiS0_ii.extracted+0xd0> | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1-2 | N/A |
| NOPL (%RAX) | 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 |
| XCHG %AX,%AX | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | N/A |
| NOPL (%RAX) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | N/A |
| MOV $0x418180,%EDI | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | N/A |
| MOV %R12D,%ESI | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | scal (6.3%) |
| ADD $0x18,%RSP | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | 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 |
| JMP 402050 <__kmpc_for_static_fini@plt> | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1-2 | N/A |
| ADD $0x18,%RSP | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | 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 |
| NOP | 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:70-82 |
| Module | kmeans-icpx-O3-all |
| nb instructions | 75 |
| nb uops | 76 |
| loop length | 250 |
| used x86 registers | 14 |
| used mmx registers | 0 |
| used xmm registers | 1 |
| used ymm registers | 0 |
| used zmm registers | 0 |
| nb stack references | 5 |
| micro-operation queue | 19.00 cycles |
| front end | 19.00 cycles |
| P0 | P1 | P2 | P3 | P4 | P5 | P6 | P7 | |
|---|---|---|---|---|---|---|---|---|
| uops | 7.50 | 7.50 | 10.83 | 10.50 | 14.00 | 7.50 | 7.50 | 10.67 |
| cycles | 7.50 | 7.50 | 10.83 | 10.50 | 14.00 | 7.50 | 7.50 | 10.67 |
| Cycles executing div or sqrt instructions | NA |
| FE+BE cycles | 18.89 |
| Stall cycles | 0.00 |
| Front-end | 19.00 |
| Dispatch | 14.00 |
| Overall L1 | 19.00 |
| all | 0% |
| load | 0% |
| store | 0% |
| mul | NA (no mul vectorizable/vectorized instructions) |
| add-sub | 0% |
| fma | NA (no fma vectorizable/vectorized instructions) |
| other | 0% |
| all | 0% |
| load | 0% |
| store | NA (no store vectorizable/vectorized instructions) |
| mul | NA (no mul vectorizable/vectorized instructions) |
| add-sub | NA (no add-sub vectorizable/vectorized instructions) |
| fma | NA (no fma vectorizable/vectorized instructions) |
| div/sqrt | NA (no div/sqrt vectorizable/vectorized instructions) |
| other | NA (no other vectorizable/vectorized instructions) |
| all | 0% |
| load | 0% |
| 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 | 0% |
| all | 7% |
| load | 6% |
| store | 6% |
| mul | NA (no mul vectorizable/vectorized instructions) |
| add-sub | 12% |
| fma | NA (no fma vectorizable/vectorized instructions) |
| other | 7% |
| all | 12% |
| load | 12% |
| store | NA (no store vectorizable/vectorized instructions) |
| mul | NA (no mul vectorizable/vectorized instructions) |
| add-sub | NA (no add-sub vectorizable/vectorized instructions) |
| fma | NA (no fma vectorizable/vectorized instructions) |
| div/sqrt | NA (no div/sqrt vectorizable/vectorized instructions) |
| other | NA (no other vectorizable/vectorized instructions) |
| all | 7% |
| load | 8% |
| store | 6% |
| 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 | 7% |
| 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 $0x18,%RSP | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | N/A |
| MOV 0x18(%RBP),%EAX | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 4-5 | 0.50 | N/A |
| MOVL $0,-0x38(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 2 | 1 | scal (6.3%) |
| TEST %EAX,%EAX | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | scal (6.3%) |
| JS 4039a0 <_Z7k_meansiP7point_tS0_PiS0_ii.extracted+0x200> | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0.50-1 | N/A |
| MOV %R9,%RBX | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | scal (12.5%) |
| MOV %R8,%R14 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | scal (12.5%) |
| MOV %RCX,%R13 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | N/A |
| MOV %RDX,%R15 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | scal (12.5%) |
| MOV (%RDI),%R12D | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 4-5 | 0.50 | scal (6.3%) |
| MOVL $0,-0x30(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 2 | 1 | scal (6.3%) |
| MOV %EAX,-0x2c(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | scal (6.3%) |
| MOVL $0x1,-0x34(%RBP) | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 2 | 1 | scal (6.3%) |
| SUB $0x8,%RSP | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | N/A |
| LEA -0x34(%RBP),%RAX | 1 | 0 | 0.50 | 0 | 0 | 0 | 0.50 | 0 | 0 | 1 | 0.50 | N/A |
| LEA -0x38(%RBP),%RCX | 1 | 0 | 0.50 | 0 | 0 | 0 | 0.50 | 0 | 0 | 1 | 0.50 | N/A |
| LEA -0x30(%RBP),%R8 | 1 | 0 | 0.50 | 0 | 0 | 0 | 0.50 | 0 | 0 | 1 | 0.50 | N/A |
| LEA -0x2c(%RBP),%R9 | 1 | 0 | 0.50 | 0 | 0 | 0 | 0.50 | 0 | 0 | 1 | 0.50 | N/A |
| MOV $0x418160,%EDI | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | N/A |
| MOV %R12D,%ESI | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | scal (6.3%) |
| MOV $0x22,%EDX | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | scal (6.3%) |
| PUSH $0x1 | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | N/A |
| PUSH $0x1 | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | N/A |
| PUSH %RAX | 1 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 0 | 0.33 | 3 | 1 | N/A |
| CALL 402200 <__kmpc_for_static_init_4@plt> | 2 | 0 | 0 | 0.33 | 0.33 | 1 | 0 | 1 | 0.33 | 0 | 1 | N/A |
| ADD $0x20,%RSP | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | N/A |
| MOV -0x30(%RBP),%EAX | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 4-5 | 0.50 | N/A |
| MOV -0x2c(%RBP),%ECX | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 4-5 | 0.50 | scal (6.3%) |
| CMP %ECX,%EAX | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | scal (6.3%) |
| JA 403985 <_Z7k_meansiP7point_tS0_PiS0_ii.extracted+0x1e5> | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0.50-1 | N/A |
| TEST %EBX,%EBX | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | scal (6.3%) |
| JLE 403985 <_Z7k_meansiP7point_tS0_PiS0_ii.extracted+0x1e5> | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 0 | 0.50-1 | N/A |
| MOV %EBX,%EDX | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | scal (6.3%) |
| AND $0x7fffffff,%EDX | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | scal (6.3%) |
| SUB %RAX,%RCX | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | scal (12.5%) |
| MOV %EBX,%ESI | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | scal (6.3%) |
| AND $0x7ffffffc,%ESI | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | scal (6.3%) |
| LEA 0x30(%R13),%RDI | 1 | 0 | 0.50 | 0 | 0 | 0 | 0.50 | 0 | 0 | 1 | 0.50 | N/A |
| SHR $0x2,%EBX | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 1 | 0.50 | scal (6.3%) |
| AND $0x1fffffff,%EBX | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | scal (6.3%) |
| SAL $0x6,%RBX | 1 | 0.50 | 0 | 0 | 0 | 0 | 0 | 0.50 | 0 | 1 | 0.50 | scal (12.5%) |
| ADD %R13,%RBX | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | scal (12.5%) |
| XOR %R8D,%R8D | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | scal (6.3%) |
| VMOVSD 0x107be(%RIP),%XMM0 | 1 | 0 | 0 | 0.50 | 0.50 | 0 | 0 | 0 | 0 | 4-5 | 0.50 | scal (12.5%) |
| JMP 403870 <_Z7k_meansiP7point_tS0_PiS0_ii.extracted+0xd0> | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1-2 | N/A |
| NOPL (%RAX) | 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 |
| XCHG %AX,%AX | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | N/A |
| NOPL (%RAX) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | N/A |
| MOV $0x418180,%EDI | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | N/A |
| MOV %R12D,%ESI | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.25 | scal (6.3%) |
| ADD $0x18,%RSP | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | 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 |
| JMP 402050 <__kmpc_for_static_fini@plt> | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1-2 | N/A |
| ADD $0x18,%RSP | 1 | 0.25 | 0.25 | 0 | 0 | 0 | 0.25 | 0.25 | 0 | 1 | 0.25 | 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 |
| NOP | 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 | 0.95 | 4.18 | 0.87 | 11 | 0.78 | 15.62 | 0.73 | 17.96 |
| Run | Number of threads | Efficiency (ideal is 1) | Speedup | Ideal Speedup | Time (s) | Coverage (%) |
|---|---|---|---|---|---|---|
| run_1_thread | 1 | 1 | 1 | 1 | 94.489974975586 | 92.78279876709 |
| run_2_threads | 2 | 0.95 | 1.91 | 2 | 48.400001525879 | 88.756423950195 |
| run_4_threads | 4 | 0.87 | 3.46 | 4 | 25.489995956421 | 82.212455749512 |
| run_8_threads | 8 | 0.78 | 6.24 | 8 | 13.269999504089 | 71.151229858398 |
| run_10_threads | 10 | 0.73 | 7.31 | 10 | 10.854998588562 | 66.882225036621 |
| Name | Coverage (%) | Time (s) |
|---|---|---|
| ▼k_means(int, point_t*, point_t*, int*, point_t*, int, int) [clone .extracted]– | 92.78 | 94.49 |
| ▼Loop 13 - main.cpp:71-82 - kmeans-icpx-O3-all– | 3.26 | 3.32 |
| ○Loop 15 - main.cpp:73-79 - kmeans-icpx-O3-all | 85.33 | 86.89 |
| ○Loop 14 - main.cpp:73-79 - kmeans-icpx-O3-all | 4.19 | 4.27 |
