YJIT Benchmarks

Details for Benchmarks at 2022-10-27 04:26:25

Overall YJIT is 36.0% faster than interpreted CRuby!
On Railsbench specifically, YJIT is 35.1% 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 5 203 5 203
hexapdf 5 15 5 15
liquid-render 5 177 5 177
mail 5 130 5 130
psych-load 5 15 5 15
railsbench 5 15 5 15
ruby-lsp 5 250 5 250
binarytrees 5 83 5 83
chunky_png 5 32 5 32
erubi 5 69 5 69
erubi_rails 5 1069 5 1069
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 20 5 20
cfunc_itself 5 489 5 489
fib 5 326 5 326
getivar 5 426 5 426
keyword_args 5 383 5 383
respond_to 5 714 5 714
setivar 5 420 5 420
str_concat 5 455 5 455

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) 2317723 2317406 23 367 6 1% 0 0 0
hexapdf (click) 1778309 1777756 817 10066 189 1% 0 0 0
liquid-render (click) 590582 590055 154 1765 34 1% 0 0 0
mail (click) 1344281 1343752 371 5111 176 3% 0 0 0
psych-load (click) 804413 803813 68 574 19 3% 0 0 0
railsbench (click) 5541401 5538661 1777 13703 483 3% 0 0 0
ruby-lsp (click) 5609728 5609138 6423 41576 1519 3% 12454 0 0
binarytrees (click) 121378 119042 14 79 4 5% 0 0 0
chunky_png (click) 823193 821563 87 1061 31 2% 0 0 0
erubi (click) 749874 748426 11 87 4 4% 0 0 0
erubi_rails (click) 4635011 4634446 327 2623 111 4% 0 0 0
etanni (click) 129371 126501 11 47 4 8% 0 0 0
fannkuchredux (click) 141142 140453 11 209 4 1% 0 0 0
lee (click) 832070 830376 77 758 25 3% 0 0 0
nbody (click) 143190 141790 13 188 6 3% 0 0 0
optcarrot (click) 556910 556809 201 4014 93 2% 0 0 0
rubykon (click) 279308 278769 143 1587 32 2% 0 0 0
30k_ifelse (click) 5420144 5419577 9266 57136 4 0% 0 0 0
30k_methods (click) 2088352 2087875 5785 19365 4 0% 0 0 0
cfunc_itself (click) 119304 117435 11 62 4 6% 0 0 0
fib (click) 124949 124149 11 51 4 7% 0 0 0
getivar (click) 119933 118524 11 78 4 5% 0 0 0
keyword_args (click) 127195 125485 12 64 4 6% 0 0 0
respond_to (click) 126928 125448 11 78 5 6% 0 0 0
setivar (click) 127195 125420 11 51 4 7% 0 0 0
str_concat (click) 126645 125338 13 77 6 7% 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.