YJIT Benchmarks

Details for Benchmarks at 2022-08-15 05:26:58

Overall YJIT is 35.2% faster than interpreted CRuby!
On Railsbench specifically, YJIT is 35.4% 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 MJIT warmups MJIT iters YJIT warmups YJIT iters
activerecord 5 195 75 195 20 195
hexapdf 5 15 20 15
liquid-render 5 156 75 156 20 156
mail 5 128 75 128 20 128
psych-load 5 15 75 15 20 15
railsbench 5 15 75 15 20 15
binarytrees 5 61 75 61 20 61
chunky_png 5 27 75 27 20 27
erubi 5 61 75 61 20 61
erubi_rails 5 1038 75 1038 20 1038
fannkuchredux 5 15 75 15 20 15
lee 5 20 75 20 20 20
nbody 5 263 75 263 20 263
optcarrot 5 15 75 15 20 15
rubykon 5 15 35 15 20 15
30k_ifelse 5 56 75 56 20 56
30k_methods 5 22 29 22 20 22
cfunc_itself 5 430 75 430 20 430
fib 5 311 75 311 20 311
getivar 5 620 75 620 20 620
keyword_args 5 353 75 353 20 353
respond_to 5 105 75 105 20 105
setivar 5 991 75 991 20 991
str_concat 5 446 75 446 20 446

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) 1033627 777512 131 1267 0 0% 0 0 0
hexapdf (click) 1151899 925135 682 8038 9 0% 0 0 0
liquid-render (click) 516379 401527 150 1644 2 0% 0 0 0
mail (click) 899355 649112 374 5326 17 0% 0 0 0
psych-load (click) 347035 263080 68 480 1 0% 0 0 0
railsbench (click) 2652955 1964784 1436 10015 16 0% 0 0 0
binarytrees (click) 171867 128248 13 58 0 0% 0 0 0
chunky_png (click) 389019 290587 88 1030 0 0% 0 0 0
erubi (click) 322779 245889 10 79 0 0% 0 0 0
erubi_rails (click) 1961563 1428865 300 2034 4 0% 0 0 0
fannkuchredux (click) 185819 138016 10 196 0 0% 0 0 0
lee (click) 384987 290684 58 632 0 0% 0 0 0
nbody (click) 182491 137443 12 171 0 0% 0 0 0
optcarrot (click) 513883 442610 207 3588 20 0% 0 0 0
rubykon (click) 320731 256834 144 1571 1 0% 0 0 0
30k_ifelse (click) 5560923 4348716 9265 57804 0 0% 0 0 0
30k_methods (click) 2176091 1657178 5784 19361 0 0% 0 0 0
cfunc_itself (click) 170395 127021 10 49 0 0% 0 0 0
fib (click) 168859 126629 10 38 0 0% 0 0 0
getivar (click) 170587 128716 10 65 0 0% 0 0 0
keyword_args (click) 171227 127662 11 51 0 0% 0 0 0
respond_to (click) 172507 128475 10 64 0 0% 0 0 0
setivar (click) 170523 127536 10 38 0 0% 0 0 0
str_concat (click) 170523 127868 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.