YJIT Benchmarks

Details for Benchmarks at 2022-11-06 20:10:25

Overall YJIT is 31.6% faster than interpreted CRuby!
On Railsbench specifically, YJIT is 31.5% 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 5 204 5 204
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 5 247 5 247
binarytrees 5 83 5 83
chunky_png 5 32 5 32
erubi 5 68 5 68
erubi_rails 5 1082 5 1082
etanni 5 42 5 42
fannkuchredux 5 15 5 15
lee 5 20 5 20
nbody 5 243 5 243
optcarrot 5 15 5 15
rubykon 5 15 5 15
30k_ifelse 5 50 5 50
30k_methods 5 21 5 21
cfunc_itself 5 469 5 469
fib 5 327 5 327
getivar 5 426 5 426
keyword_args 5 386 5 386
respond_to 5 710 5 710
setivar 5 400 5 400
str_concat 5 481 5 481

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) 2329553 2327978 23 350 6 1% 0 0 0
hexapdf (click) 1791845 1789746 818 10181 189 1% 0 0 0
liquid-render (click) 597164 594217 154 1797 34 1% 0 0 0
mail (click) 1343099 1342808 371 5105 176 3% 0 0 0
psych-load (click) 795545 795147 68 583 19 3% 0 0 0
railsbench (click) 5671086 5668864 1777 13873 483 3% 0 0 0
ruby-lsp (click) 5618688 5617618 6423 41510 1519 3% 12604 0 0
binarytrees (click) 130426 127888 14 89 4 4% 0 0 0
chunky_png (click) 816440 814499 87 1124 31 2% 0 0 0
erubi (click) 752284 750534 11 97 4 4% 0 0 0
erubi_rails (click) 4756149 4756066 327 2637 111 4% 0 0 0
etanni (click) 131305 131162 11 57 4 7% 0 0 0
fannkuchredux (click) 142459 141267 11 219 4 1% 0 0 0
lee (click) 832392 830690 77 759 25 3% 0 0 0
nbody (click) 145092 143430 13 198 6 3% 0 0 0
optcarrot (click) 557426 556977 201 4024 93 2% 0 0 0
rubykon (click) 273312 272059 143 1595 31 1% 0 0 0
30k_ifelse (click) 5421825 5420885 9266 57146 4 0% 0 0 0
30k_methods (click) 2090341 2089183 5785 19375 4 0% 0 0 0
cfunc_itself (click) 128330 126281 11 72 4 5% 0 0 0
fib (click) 126876 125394 11 61 4 6% 0 0 0
getivar (click) 121456 119870 11 88 4 4% 0 0 0
keyword_args (click) 129123 126792 12 74 4 5% 0 0 0
respond_to (click) 128850 126884 11 88 5 5% 0 0 0
setivar (click) 121625 118635 11 61 4 6% 0 0 0
str_concat (click) 128573 126924 13 87 6 6% 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.