I should point out this experiment came from when I was trying to replicate
these results:
https://kkaefer.com/node-cpp-modules/#benchmark-thread-pool
In his case, the entire work function is optimized away by Crankshaft in a
very obvious way. The experiment compares his loop body to a no-op.
-J
Work Function: Math.floor(133.7 / Math.PI)
1 workfun operations performed at 7092 ops/sec
1 no-ops performed at 333333 ops/sec
2 workfun operations performed at 142857 ops/sec
2 no-ops performed at Infinity ops/sec
4 workfun operations performed at Infinity ops/sec
4 no-ops performed at Infinity ops/sec
8 workfun operations performed at 8000000 ops/sec
8 no-ops performed at Infinity ops/sec
16 workfun operations performed at 16000000 ops/sec
16 no-ops performed at Infinity ops/sec
32 workfun operations performed at 16000000 ops/sec
32 no-ops performed at Infinity ops/sec
64 workfun operations performed at 9142857 ops/sec
64 no-ops performed at Infinity ops/sec
128 workfun operations performed at 405063 ops/sec
128 no-ops performed at Infinity ops/sec
256 workfun operations performed at 1855072 ops/sec
256 no-ops performed at 256000000 ops/sec
512 workfun operations performed at 64000000 ops/sec
512 no-ops performed at 256000000 ops/sec
1024 workfun operations performed at 68266666 ops/sec
1024 no-ops performed at 256000000 ops/sec
2048 workfun operations performed at 60235294 ops/sec
2048 no-ops performed at 292571428 ops/sec
4096 workfun operations performed at 52512820 ops/sec
4096 no-ops performed at 273066666 ops/sec
8192 workfun operations performed at 66064516 ops/sec
8192 no-ops performed at 282482758 ops/sec
16384 workfun operations performed at 59148014 ops/sec
16384 no-ops performed at 163840000 ops/sec
*Suddenly a re-compilation with additional optimization occurs:* 32768
workfun operations performed at 910222222 ops/sec
32768 no-ops performed at 910222222 ops/sec
65536 workfun operations performed at 923042253 ops/sec
65536 no-ops performed at 923042253 ops/sec
131072 workfun operations performed at 929588652 ops/sec
131072 no-ops performed at 929588652 ops/sec
262144 workfun operations performed at 929588652 ops/sec
262144 no-ops performed at 929588652 ops/sec
524288 workfun operations performed at 931239786 ops/sec
524288 no-ops performed at 931239786 ops/sec
>>
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