Page History
...
previous page: Scaling behavior of psana1 det.calib method in multicore processing with mpi
2024-02-06 Test of
...
milano216 host with
...
perf
...
Test description
Using command:
...
number of CPU | cache- references | cache- misses | cycles | instructions | branches | branch- misses | faults | page-faults | L1-dcache- load-misses | L1-icache- load-misses | cmt |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 4,522,410,200 | 112,207,635 | 2,353,206,592 | 2,169,783,808 | 7,173,374 | ||||||
| 8 | 35,293,654,947 | 675,772,563 | 18,710,029,709 | 17,164,781,068 | 42,407,266 | ||||||
| 16 | 71,125,012,043 | 2,509,743,885 | 37,401,077,277 | 34,764,585,133 | 82,908,203 | ||||||
| 32 | 140,229,421,945 | 5,022,345,750 | 74,783,808,615 | 68,615,480,748 | 163,094,161 | ||||||
| 56 | 245,664,589,385 | 5,986,128,102 | 130,897,170,304 | 119,933,873,577 | 288,403,921 | ||||||
| 64 | 281,639,175,978 | 8,968,404,974 | 149,569,155,086 | 137,584,278,754 | 330,750,296 | ||||||
| 120 | 532,229,037,371 | 14,227,944,434 | 29,404,359,241,173 | 51,095,884,028,391 | 7,053,547,766,317 | 280,479,284,507 | 73,250,012 | 73,250,012 | 260,078,672,869 | 618,858,635 | |
2024-02-07 Test of milano216 host with command perf
Commands
perf stat -e cache-references,cache-misses,cycles,instructions,branches,branch-misses,faults,migrations,page-faults,L1-dcache-load-misses,L1-icache-load-misses,dTLB-load-misses,iTLB-load-misses mpirun -n 1 python Detector/examples/test-scaling-mpi.py
Results
| Code Block |
|---|
ana-4.0.59-py3 [dubrovin@sdfmilan216:~/LCLS/con-py3]$ perf stat -e cache-references,cache-misses,cycles,instructions,branches,branch-misses,faults,migrations,page-faults,L1-dcache-load-misses,L1-icache-load-misses,dTLB-load-misses,iTLB-load-misses mpirun -n 1 python Detector/examples/test-scaling-mpi.py
...
Performance counter stats for 'mpirun -n 1 python Detector/examples/test-scaling-mpi.py':
4,448,830,552 cache-references:u (50.00%)
90,374,312 cache-misses:u # 2.031 % of all cache refs (50.00%)
222,814,516,280 cycles:u (50.02%)
426,700,282,993 instructions:u # 1.92 insn per cycle (50.01%)
58,876,394,584 branches:u (50.01%)
2,343,687,188 branch-misses:u # 3.98% of all branches (50.01%)
635,183 faults:u
0 migrations:u
635,183 page-faults:u
2,158,358,417 L1-dcache-load-misses:u (50.00%)
5,694,036 L1-icache-load-misses:u (49.99%)
4,282,821 dTLB-load-misses:u (49.99%)
890,671 iTLB-load-misses:u (50.00%)
73.297275789 seconds time elapsed
69.795728000 seconds user
2.318007000 seconds sys
ana-4.0.59-py3 [dubrovin@sdfmilan216:~/LCLS/con-py3]$ perf stat -e cache-references,cache-misses,cycles,instructions,branches,branch-misses,faults,migrations,page-faults,L1-dcache-load-misses,L1-icache-load-misses,dTLB-load-misses,iTLB-load-misses mpirun -n 80 python Detector/examples/test-scaling-mpi.py
...
Performance counter stats for 'mpirun -n 80 python Detector/examples/test-scaling-mpi.py':
349,526,509,383 cache-references:u (50.01%)
5,932,480,814 cache-misses:u # 1.697 % of all cache refs (50.00%)
18,768,444,974,036 cycles:u (50.00%)
33,983,153,714,284 instructions:u # 1.81 insn per cycle (49.99%)
4,684,730,635,234 branches:u (49.99%)
186,649,297,019 branch-misses:u # 3.98% of all branches (50.00%)
52,121,421 faults:u
0 migrations:u
52,121,421 page-faults:u
171,500,392,922 L1-dcache-load-misses:u (50.00%)
267,672,856 L1-icache-load-misses:u (50.00%)
339,145,247 dTLB-load-misses:u (50.01%)
69,780,394 iTLB-load-misses:u (50.01%)
92.952500273 seconds time elapsed
6501.353593000 seconds user
410.844719000 seconds sys
|
References
Overview
Content Tools