YJIT Benchmarks

Details for Benchmarks at 2022-06-05 07:12:54

Overall YJIT is 28.2% faster than interpreted CRuby!
On Railsbench specifically, YJIT is 27.2% 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 MJIT warmups MJIT iters YJIT warmups YJIT iters
activerecord 5 192 75 192 20 192
hexapdf 5 15 20 15
liquid-render 5 136 75 136 20 136
mail 5 107 75 107 20 107
psych-load 5 15 75 15 20 15
railsbench 5 15 75 15 20 15
binarytrees 5 65 75 65 20 65
chunky_png 5 29 75 29 20 29
discourse 5 33 75 33 20 33
erubi 5 48 75 48 20 48
erubi_rails 5 793 75 793 20 793
fannkuchredux 5 15 52 15 20 15
lee 5 22 75 22 20 22
nbody 5 275 75 275 20 275
optcarrot 5 15 75 15 20 15
rubykon 5 15 25 15 20 15
30k_ifelse 5 55 75 55 20 55
30k_methods 5 22 29 22 20 22
cfunc_itself 5 439 75 439 20 439
fib 5 320 75 320 20 320
getivar 5 759 75 759 20 759
keyword_args 5 374 75 374 20 374
respond_to 5 106 75 106 20 106
setivar 5 1848 75 1848 20 1848
str_concat 5 202 75 202 20 202

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) 1010779 751935 131 1239 0 0% 0 0 0
hexapdf (click) 1120603 879078 683 7750 10 0% 0 0 0
liquid-render (click) 509211 390082 150 1581 2 0% 0 0 0
mail (click) 938779 677460 375 5768 15 0% 0 0 0
psych-load (click) 340059 255701 68 457 1 0% 0 0 0
railsbench (click) 2637723 1926472 1436 9825 16 0% 0 0 0
binarytrees (click) 172827 129584 13 58 0 0% 0 0 0
chunky_png (click) 376667 281847 88 966 0 0% 0 0 0
discourse (click) 5982747 4436080 3236 25736 84 0% 2 0 0
erubi (click) 319515 242786 10 79 0 0% 0 0 0
erubi_rails (click) 1953563 1406148 300 2014 4 0% 0 0 0
fannkuchredux (click) 186843 140282 10 188 0 0% 0 0 0
lee (click) 378459 283827 58 622 0 0% 0 0 0
nbody (click) 182299 136785 12 158 0 0% 0 0 0
optcarrot (click) 514907 442895 207 3571 20 0% 0 0 0
rubykon (click) 317787 250680 144 1535 1 0% 0 0 0
30k_ifelse (click) 5563291 4350769 9265 57804 0 0% 0 0 0
30k_methods (click) 2177051 1658370 5784 19361 0 0% 0 0 0
cfunc_itself (click) 171355 128213 10 49 0 0% 0 0 0
fib (click) 171227 128682 10 38 0 0% 0 0 0
getivar (click) 173019 131193 10 65 0 0% 0 0 0
keyword_args (click) 172187 128854 11 51 0 0% 0 0 0
respond_to (click) 174747 130528 10 64 0 0% 0 0 0
setivar (click) 171547 128856 10 38 0 0% 0 0 0
str_concat (click) 171547 129176 12 62 0 0% 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.