YJIT Benchmarks

Details for Benchmarks at 2022-11-12 20:10:27

Overall YJIT is 34.2% faster than interpreted CRuby!
On Railsbench specifically, YJIT is 34.7% faster than CRuby!
The basic "faster" measurement is the geomean of all "headlining" x86 benchmarks on this page.

Headlining Benchmarks

These are "headlining" because the "overall" speedup above is based on these benchmarks specifically.

Speed of each Ruby implementation (iterations/second) relative to the CRuby interpreter. Higher is better.

Other Benchmarks

Speed of each Ruby implementation (iterations/second) relative to the CRuby interpreter. Higher is better.

MicroBenchmarks

Speed of each Ruby implementation (iterations/second) relative to the CRuby interpreter. Higher is better.

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Benchmarks Speed Details

Benchmark Memory Usage Details

Number of Iterations and Warmups Tested

bench No JIT warmups No JIT iters YJIT warmups YJIT iters
activerecord 5 209 5 209
hexapdf 5 15 5 15
liquid-render 5 175 5 175
mail 5 125 5 125
psych-load 5 15 5 15
railsbench 5 15 5 15
ruby-lsp 5 270 5 270
binarytrees 5 84 5 84
chunky_png 5 31 5 31
erubi 5 68 5 68
erubi_rails 5 1120 5 1120
etanni 5 42 5 42
fannkuchredux 5 15 5 15
lee 5 21 5 21
nbody 5 233 5 233
optcarrot 5 15 5 15
rubykon 5 15 5 15
30k_ifelse 5 50 5 50
30k_methods 5 20 5 20
cfunc_itself 5 480 5 480
fib 5 325 5 325
getivar 5 427 5 427
keyword_args 5 385 5 385
respond_to 5 713 5 713
setivar 5 362 5 362
str_concat 5 449 5 449

Different Ruby configurations want different amounts of warmup. With no JIT, CRuby needs hardly any. YJIT and MJIT 3.0 both warm up quite quickly, while MJIT in 3.1 often slows down for a time as it compiles, after an unpredictable delay.

Benchmark YJIT Stats

Hover your cursor over the benchmark names for descriptions of each benchmark.

bench Exit Report Inline Outlined Comp iSeqs Comp Blocks Inval Inval Ratio Bind Alloc Bind Set Const Bumps
activerecord (click) 2323623 2321484 25 376 6 1% 0 0 0
hexapdf (click) 1803235 1802505 819 10288 189 1% 0 0 0
liquid-render (click) 597694 597646 156 1842 34 1% 0 0 0
mail (click) 1338590 1337283 373 5152 176 3% 0 0 0
psych-load (click) 810605 810482 70 636 19 2% 0 0 0
railsbench (click) 5678525 5676829 1779 13932 484 3% 0 0 0
ruby-lsp (click) 5530699 5528995 6425 40609 1523 3% 14104 0 0
binarytrees (click) 128118 126428 16 137 4 2% 0 0 0
chunky_png (click) 834831 832441 89 1178 31 2% 0 0 0
erubi (click) 742537 740745 13 145 4 2% 0 0 0
erubi_rails (click) 4769651 4767952 329 2696 111 4% 0 0 0
etanni (click) 129019 126998 13 105 4 3% 0 0 0
fannkuchredux (click) 147681 147534 13 267 4 1% 0 0 0
lee (click) 838460 837255 79 803 25 3% 0 0 0
nbody (click) 150291 149244 15 246 6 2% 0 0 0
optcarrot (click) 568459 567199 203 4131 93 2% 0 0 0
rubykon (click) 278376 278324 146 1647 31 1% 0 0 0
30k_ifelse (click) 5427259 5424734 9268 57194 4 0% 0 0 0
30k_methods (click) 2088065 2087759 5787 19423 4 0% 0 0 0
cfunc_itself (click) 133540 132561 13 120 4 3% 0 0 0
fib (click) 124604 124081 13 109 4 3% 0 0 0
getivar (click) 135728 134077 13 136 4 2% 0 0 0
keyword_args (click) 126854 125587 14 122 4 3% 0 0 0
respond_to (click) 126571 125318 13 136 5 3% 0 0 0
setivar (click) 126843 125587 13 109 4 3% 0 0 0
str_concat (click) 126288 125130 15 135 6 4% 0 0 0

YJIT stats correspond to the YJIT stats exit report.

Note: currently, all stats are collected on x86_64, not ARM.

Raw JSON data files

All graphs and table data in this page comes from processing these data files, which come from benchmark runs.