YJIT Benchmarks

Details for Benchmarks at 2022-12-14 20:10:08

Overall YJIT is 42.9% faster than interpreted CRuby!
On Railsbench specifically, YJIT is 36.4% 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 5 193 5 193
hexapdf 5 15 5 15
liquid-render 5 173 5 173
mail 5 141 5 141
psych-load 5 15 5 15
railsbench 5 15 5 15
ruby-lsp 5 284 5 284
binarytrees 5 88 5 88
chunky_png 5 32 5 32
erubi 5 70 5 70
erubi_rails 5 1146 5 1146
etanni 5 42 5 42
fannkuchredux 5 21 5 21
lee 5 22 5 22
nbody 5 281 5 281
optcarrot 5 15 5 15
rubykon 5 15 5 15
30k_ifelse 5 50 5 50
30k_methods 5 20 5 20
cfunc_itself 5 481 5 481
fib 5 315 5 315
getivar 5 438 5 438
keyword_args 5 381 5 381
respond_to 5 657 5 657
setivar 5 1360 5 1360
setivar_object 5 368 5 368
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) 2275169 2273063 25 356 5 1% 0 0 0
hexapdf (click) 1715786 1714492 819 10427 217 2% 0 0 0
liquid-render (click) 530776 528853 156 1851 32 1% 0 0 0
mail (click) 1246084 1245548 373 4676 176 3% 0 0 0
psych-load (click) 762610 762147 70 651 19 2% 0 0 0
railsbench (click) 5523586 5522205 1779 14260 482 3% 0 0 0
ruby-lsp (click) 5401504 5399575 6428 41775 1536 3% 14504 0 0
binarytrees (click) 96267 94377 16 140 3 2% 0 0 0
chunky_png (click) 799298 797753 89 1178 31 2% 0 0 0
erubi (click) 738032 737589 13 149 4 2% 0 0 0
erubi_rails (click) 4669403 4668595 329 2843 111 3% 0 0 0
etanni (click) 144321 142697 13 108 3 2% 0 0 0
fannkuchredux (click) 108481 107857 14 273 3 1% 0 0 0
lee (click) 783943 782202 79 813 24 2% 0 0 0
nbody (click) 109148 108249 15 245 5 2% 0 0 0
optcarrot (click) 536155 534889 203 4439 92 2% 0 0 0
rubykon (click) 234675 233087 145 1627 30 1% 0 0 0
30k_ifelse (click) 5245212 5243303 9268 57200 3 0% 0 0 0
30k_methods (click) 1993486 1992185 5787 19427 3 0% 0 0 0
cfunc_itself (click) 93752 92469 13 123 3 2% 0 0 0
fib (click) 92325 91583 13 112 3 2% 0 0 0
getivar (click) 94099 92845 13 139 3 2% 0 0 0
keyword_args (click) 94538 93277 14 125 3 2% 0 0 0
respond_to (click) 94263 93008 13 139 4 2% 0 0 0
setivar (click) 93138 92045 13 119 3 2% 0 0 0
setivar_object (click) 93480 92213 13 119 3 2% 0 0 0
str_concat (click) 94011 92820 15 138 5 3% 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.