YJIT Benchmarks

Details for Benchmarks at 2022-06-03 07:13:07

Overall YJIT is 26.0% faster than interpreted CRuby!
On Railsbench specifically, YJIT is 25.2% 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 5 191 75 191 20 191
hexapdf 5 15 20 15
liquid-render 5 139 75 139 20 139
mail 5 107 75 107 20 107
psych-load 5 15 75 15 20 15
railsbench 5 15 75 15 20 15
binarytrees 5 63 75 63 20 63
chunky_png 5 29 75 29 20 29
discourse 5 38 75 38 20 38
erubi 5 45 75 45 20 45
erubi_rails 5 791 75 791 20 791
fannkuchredux 5 15 51 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 26 15 20 15
30k_ifelse 5 55 75 55 20 55
30k_methods 5 22 29 22 20 22
cfunc_itself 5 447 75 447 20 447
fib 5 320 75 320 20 320
getivar 5 763 75 763 20 763
keyword_args 5 376 75 376 20 376
respond_to 5 102 75 102 20 102
setivar 5 1891 75 1891 20 1891
str_concat 5 193 75 193 20 193

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) 1016091 755593 131 1260 0 0% 0 0 0
hexapdf (click) 1120091 879123 682 7748 9 0% 0 0 0
liquid-render (click) 501467 385098 150 1506 2 0% 0 0 0
mail (click) 890779 644417 374 5316 15 0% 0 0 0
psych-load (click) 341531 256230 68 473 1 0% 0 0 0
railsbench (click) 2639515 1927722 1436 9825 16 0% 0 0 0
binarytrees (click) 174107 130445 13 58 0 0% 0 0 0
chunky_png (click) 380507 284408 88 1000 0 0% 0 0 0
discourse (click) 5940571 4408322 3196 25381 84 0% 2 0 0
erubi (click) 316507 240603 10 79 0 0% 0 0 0
erubi_rails (click) 1950363 1403274 300 1991 4 0% 0 0 0
fannkuchredux (click) 188123 141143 10 188 0 0% 0 0 0
lee (click) 378459 283852 58 622 0 0% 0 0 0
nbody (click) 183579 137646 12 158 0 0% 0 0 0
optcarrot (click) 514907 442895 207 3571 20 0% 0 0 0
rubykon (click) 319323 251702 144 1538 1 0% 0 0 0
30k_ifelse (click) 5563291 4350769 9265 57804 0 0% 0 0 0
30k_methods (click) 2178459 1659231 5784 19361 0 0% 0 0 0
cfunc_itself (click) 172763 129074 10 49 0 0% 0 0 0
fib (click) 171227 128682 10 38 0 0% 0 0 0
getivar (click) 172891 131193 10 65 0 0% 0 0 0
keyword_args (click) 173595 129715 11 51 0 0% 0 0 0
respond_to (click) 174875 130528 10 64 0 0% 0 0 0
setivar (click) 172955 129717 10 38 0 0% 0 0 0
str_concat (click) 172955 130037 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.