YJIT Benchmarks

Details for Benchmarks at 2022-12-20 20:10:07

Overall YJIT is 37.2% faster than interpreted CRuby!
On Railsbench specifically, YJIT is 39.3% 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 5 213 5 213
hexapdf 5 15 5 15
liquid-render 5 176 5 176
mail 5 140 5 140
psych-load 5 15 5 15
railsbench 5 15 5 15
ruby-lsp 5 283 5 283
binarytrees 5 87 5 87
chunky_png 5 33 5 33
erubi 5 68 5 68
erubi_rails 5 1155 5 1155
etanni 5 42 5 42
fannkuchredux 5 21 5 21
lee 5 21 5 21
nbody 5 280 5 280
optcarrot 5 15 5 15
rubykon 5 15 5 15
30k_ifelse 5 50 5 50
30k_methods 5 20 5 20
cfunc_itself 5 494 5 494
fib 5 318 5 318
getivar 5 437 5 437
keyword_args 5 383 5 383
respond_to 5 699 5 699
setivar 5 1359 5 1359
setivar_object 5 346 5 346
str_concat 5 495 5 495

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) 2269092 2268454 25 380 5 1% 0 0 0
hexapdf (click) 1714066 1712962 819 10420 217 2% 0 0 0
liquid-render (click) 523991 523972 156 1843 32 1% 0 0 0
mail (click) 1230395 1229684 373 4663 176 3% 0 0 0
psych-load (click) 779251 778570 70 651 19 2% 0 0 0
railsbench (click) 5528572 5527662 1779 14328 483 3% 0 0 0
ruby-lsp (click) 5388850 5388104 6428 41747 1537 3% 14354 0 0
binarytrees (click) 96267 94002 16 140 3 2% 0 0 0
chunky_png (click) 801111 798870 89 1210 31 2% 0 0 0
erubi (click) 721709 721152 13 149 4 2% 0 0 0
erubi_rails (click) 4648988 4646710 329 2836 111 3% 0 0 0
etanni (click) 144287 142402 13 108 3 2% 0 0 0
fannkuchredux (click) 108481 107742 14 273 3 1% 0 0 0
lee (click) 787480 786924 79 819 24 2% 0 0 0
nbody (click) 109148 108114 15 245 5 2% 0 0 0
optcarrot (click) 519950 518430 203 4439 92 2% 0 0 0
rubykon (click) 227767 225382 145 1635 30 1% 0 0 0
30k_ifelse (click) 5245212 5242928 9268 57200 3 0% 0 0 0
30k_methods (click) 1993486 1991930 5787 19427 3 0% 0 0 0
cfunc_itself (click) 93752 92274 13 123 3 2% 0 0 0
fib (click) 92325 91458 13 112 3 2% 0 0 0
getivar (click) 94099 92610 13 139 3 2% 0 0 0
keyword_args (click) 87327 85404 14 125 3 2% 0 0 0
respond_to (click) 94263 92758 13 139 4 2% 0 0 0
setivar (click) 85935 84424 13 119 3 2% 0 0 0
setivar_object (click) 93480 92038 13 119 3 2% 0 0 0
str_concat (click) 94011 92590 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.