YJIT Benchmarks

Details for Benchmarks at 2022-08-03 05:29:26

Overall YJIT is 34.7% faster than interpreted CRuby!
On Railsbench specifically, YJIT is 36.1% 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 MJIT warmups MJIT iters YJIT warmups YJIT iters
activerecord 5 188 75 188 20 188
hexapdf 5 15 20 15
liquid-render 5 160 75 160 20 160
mail 5 128 75 128 20 128
psych-load 5 15 75 15 20 15
railsbench 5 15 75 15 20 15
binarytrees 5 64 75 64 20 64
chunky_png 5 31 75 31 20 31
erubi 5 61 75 61 20 61
erubi_rails 5 1039 75 1039 20 1039
fannkuchredux 5 15 75 15 20 15
lee 5 21 75 21 20 21
nbody 5 261 75 261 20 261
optcarrot 5 15 75 15 20 15
rubykon 5 15 36 15 20 15
30k_ifelse 5 56 75 56 20 56
30k_methods 5 22 30 22 20 22
cfunc_itself 5 418 75 418 20 418
fib 5 316 75 316 20 316
getivar 5 614 75 614 20 614
keyword_args 5 379 75 379 20 379
respond_to 5 102 75 102 20 102
setivar 5 957 75 957 20 957
str_concat 5 451 75 451 20 451

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) 1037531 780843 131 1294 0 0% 0 0 0
hexapdf (click) 1150363 924945 682 8016 10 0% 0 0 0
liquid-render (click) 522267 406878 150 1709 2 0% 0 0 0
mail (click) 922459 665282 374 5577 17 0% 0 0 0
psych-load (click) 347419 263248 68 482 1 0% 0 0 0
railsbench (click) 2658779 1969912 1436 10042 16 0% 0 0 0
binarytrees (click) 171931 128248 13 58 0 0% 0 0 0
chunky_png (click) 387227 289579 88 1011 0 0% 0 0 0
erubi (click) 322907 246264 10 79 0 0% 0 0 0
erubi_rails (click) 1962459 1430135 300 2029 4 0% 0 0 0
fannkuchredux (click) 185307 138082 10 188 0 0% 0 0 0
lee (click) 386139 291740 58 632 0 0% 0 0 0
nbody (click) 182107 137147 12 171 0 0% 0 0 0
optcarrot (click) 513947 442610 207 3588 20 0% 0 0 0
rubykon (click) 320667 256597 144 1575 2 0% 0 0 0
30k_ifelse (click) 5560987 4348716 9265 57804 0 0% 0 0 0
30k_methods (click) 2176155 1657178 5784 19361 0 0% 0 0 0
cfunc_itself (click) 170459 127021 10 49 0 0% 0 0 0
fib (click) 168923 126629 10 38 0 0% 0 0 0
getivar (click) 170651 128716 10 65 0 0% 0 0 0
keyword_args (click) 171291 127662 11 51 0 0% 0 0 0
respond_to (click) 172571 128475 10 64 0 0% 0 0 0
setivar (click) 170587 127536 10 38 0 0% 0 0 0
str_concat (click) 170587 127943 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.