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perf flags: -B -e L1-dcache-load-misses,L1-dcache-loads,LLC-load-misses,LLC-loads,dTLB-load-misses,dTLB-loads,instructions,branches
-COH | +COH | % | |
maxjops | 10136.6 | 10823.6 | +6.78% |
critjops | 3742 | 3995.6 | +6.78% |
Number of GCs | 4971.8 | 3469.8 | -30.21% |
GC |
Real Times, Sum, seconds | 350.34 | 273 | -22.08% |
GC User Times, Sum, seconds | 2031.83 | 1588.63 | -21.81% |
GC Sys Times, Sum, seconds | 3.07 | 2.2 | -28.34% |
L1 Misses | 1294363538563.4 | 1109038645193.3 | -14.32% |
L1 Loads | 25511385965443.6 | 21610503370719.1 | -15.29% |
LLC Misses | 273833668865.4 | 212658994859.6 | -22.34% |
LLC Loads | 655211047461.7 | 555606059480 | -15.20% |
TLB Misses | 37718612782.9 | 32378833894.3 | -14.16% |
TLB Loads | 25308734883537.9 | 21437105901958.6 | -15.30% |
Instructions | 83966573365463.8 | 72477839817765.8 | -13.68% |
Branches | 15749934748078.2 | 13181107354563.9 | -16.31% |
To measure the reduction in liveset size, the same benchmark was repeated with a periodic Full GC being scheduled every 5 minutes, and the liveset size was measured after every full GC:
-COH | +COH | Percent | Gains | |
Usage pre GC, MB | 3894.9 | 3216.6 | 82.58 | - 17.42 |
Usage post GC, MB | 1071.7 | 885.9 | 82.66 | - 17.34 |
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