YJIT Benchmarks

Details for Benchmarks at 2022-10-18 20:10:40

Overall YJIT is 37.6% faster than interpreted CRuby!
On Railsbench specifically, YJIT is 30.5% 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 5 201 5 201
hexapdf 5 15 5 15
liquid-render 5 177 5 177
mail 5 127 5 127
psych-load 5 15 5 15
railsbench 5 15 5 15
binarytrees 5 84 5 84
chunky_png 5 32 5 32
erubi 5 68 5 68
erubi_rails 5 1057 5 1057
etanni 5 42 5 42
fannkuchredux 5 15 5 15
lee 5 20 5 20
nbody 5 245 5 245
optcarrot 5 15 5 15
rubykon 5 15 5 15
30k_ifelse 5 50 5 50
30k_methods 5 21 5 21
cfunc_itself 5 477 5 477
fib 5 327 5 327
getivar 5 426 5 426
keyword_args 5 382 5 382
respond_to 5 714 5 714
setivar 5 425 5 425
str_concat 5 437 5 437

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) 4658512 4664765 23 316 6 1% 0 0 0
hexapdf (click) 3657060 3664176 817 9666 189 1% 0 0 0
liquid-render (click) 1416241 1421789 154 1741 34 1% 0 0 0
mail (click) 2825686 2831231 371 4931 176 3% 0 0 0
psych-load (click) 1772262 1779491 68 489 19 3% 0 0 0
railsbench (click) 10195206 10202086 1777 12813 475 3% 0 0 0
binarytrees (click) 591484 599122 14 70 4 5% 0 0 0
chunky_png (click) 1820733 1828407 87 1059 31 2% 0 0 0
erubi (click) 1677713 1684530 11 78 4 5% 0 0 0
erubi_rails (click) 8461829 8467473 327 2468 107 4% 0 0 0
etanni (click) 591909 599381 11 38 4 10% 0 0 0
fannkuchredux (click) 610873 617398 11 200 4 2% 0 0 0
lee (click) 1839892 1846570 77 746 25 3% 0 0 0
nbody (click) 614387 620101 13 179 6 3% 0 0 0
optcarrot (click) 1459687 1467449 201 4001 93 2% 0 0 0
rubykon (click) 887626 894745 143 1560 32 2% 0 0 0
30k_ifelse (click) 11178938 11185449 9266 57127 4 0% 0 0 0
30k_methods (click) 4509288 4516285 5785 19356 4 0% 0 0 0
cfunc_itself (click) 576784 583635 11 53 4 7% 0 0 0
fib (click) 577901 584541 11 42 4 9% 0 0 0
getivar (click) 579980 586390 11 69 4 5% 0 0 0
keyword_args (click) 580150 585499 12 55 4 7% 0 0 0
respond_to (click) 580150 586093 11 55 5 9% 0 0 0
setivar (click) 580147 585660 11 42 4 9% 0 0 0
str_concat (click) 576987 584091 13 68 6 8% 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.