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@rui314
Created February 17, 2016 19:11
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Before
415.548666 task-clock (msec) # 1.000 CPUs utilized ( +- 0.42% )
25 context-switches # 0.061 K/sec ( +- 4.42% )
1 cpu-migrations # 0.002 K/sec ( +- 28.86% )
60,001 page-faults # 0.144 M/sec
1,159,320,437 cycles # 2.790 GHz ( +- 0.42% )
713,987,937 stalled-cycles-frontend # 61.59% frontend cycles idle ( +- 0.68% )
<not supported> stalled-cycles-backend
1,151,611,502 instructions # 0.99 insns per cycle
# 0.62 stalled cycles per insn ( +- 0.02% )
239,535,443 branches # 576.432 M/sec ( +- 0.02% )
3,885,735 branch-misses # 1.62% of all branches ( +- 0.01% )
0.415602930 seconds time elapsed ( +- 0.42% )
After
410.076710 task-clock (msec) # 1.000 CPUs utilized ( +- 0.13% )
30 context-switches # 0.074 K/sec ( +- 6.81% )
0 cpu-migrations # 0.001 K/sec ( +- 44.20% )
60,012 page-faults # 0.146 M/sec
1,144,041,142 cycles # 2.790 GHz ( +- 0.13% )
695,878,452 stalled-cycles-frontend # 60.83% frontend cycles idle ( +- 0.22% )
<not supported> stalled-cycles-backend
1,151,870,422 instructions # 1.01 insns per cycle
# 0.60 stalled cycles per insn ( +- 0.00% )
239,591,131 branches # 584.259 M/sec ( +- 0.00% )
3,890,283 branch-misses # 1.62% of all branches ( +- 0.01% )
0.410149660 seconds time elapsed ( +- 0.13% )
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