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Created June 26, 2015 15:01
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gistfile1.txt
:~/pyston$ perf stat ./pyston_release -I microbenchmarks/prime_summing.py
1709600813
Performance counter stats for './pyston_release -I microbenchmarks/prime_summing.py':
1965,578597 task-clock (msec) # 1,000 CPUs utilized
5 context-switches # 0,003 K/sec
1 cpu-migrations # 0,001 K/sec
2.757 page-faults # 0,001 M/sec
7.402.346.123 cycles # 3,766 GHz [83,31%]
3.932.847.959 stalled-cycles-frontend # 53,13% frontend cycles idle [83,31%]
3.258.293.115 stalled-cycles-backend # 44,02% backend cycles idle [66,63%]
7.017.337.510 instructions # 0,95 insns per cycle
# 0,56 stalled cycles per insn [83,31%]
1.361.288.278 branches # 692,564 M/sec [83,50%]
5.058.493 branch-misses # 0,37% of all branches [83,31%]
1,965891868 seconds time elapsed
:~/pyston$ perf stat ./pyston_release -I microbenchmarks/prime_summing.py
1709600813
Performance counter stats for './pyston_release -I microbenchmarks/prime_summing.py':
910,435629 task-clock (msec) # 1,000 CPUs utilized
5 context-switches # 0,005 K/sec
7 cpu-migrations # 0,008 K/sec
2.745 page-faults # 0,003 M/sec
3.395.096.048 cycles # 3,729 GHz [83,31%]
651.447.922 stalled-cycles-frontend # 19,19% frontend cycles idle [83,31%]
322.232.420 stalled-cycles-backend # 9,49% backend cycles idle [66,61%]
7.007.289.737 instructions # 2,06 insns per cycle
# 0,09 stalled cycles per insn [83,31%]
1.360.856.850 branches # 1494,732 M/sec [83,55%]
4.337.383 branch-misses # 0,32% of all branches [83,30%]
0,910739822 seconds time elapsed
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