YJIT Benchmarks

Details for Benchmarks at 2022-06-29 20:17:47

Overall YJIT is 35.2% faster than interpreted CRuby!
On Railsbench specifically, YJIT is 32.7% 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.

Want Raw Graphs and CSV?

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 5 193 75 193 20 193
hexapdf 5 15 20 15
liquid-render 5 157 75 157 20 157
mail 5 124 75 124 20 124
psych-load 5 15 75 15 20 15
railsbench 5 15 75 15 20 15
binarytrees 5 66 75 66 20 66
chunky_png 5 30 75 30 20 30
erubi 5 53 75 53 20 53
erubi_rails 5 990 75 990 20 990
fannkuchredux 5 15 57 15 20 15
lee 5 21 75 21 20 21
nbody 5 274 75 274 20 274
optcarrot 5 15 75 15 20 15
rubykon 5 15 34 15 20 15
30k_ifelse 5 55 75 55 20 55
30k_methods 5 22 29 22 20 22
cfunc_itself 5 417 75 417 20 417
fib 5 315 75 315 20 315
getivar 5 768 75 768 20 768
keyword_args 5 367 75 367 20 367
respond_to 5 105 75 105 20 105
setivar 5 1841 75 1841 20 1841
str_concat 5 357 75 357 20 357

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) 1017179 756307 131 1288 0 0% 0 0 0
hexapdf (click) 1117787 878021 682 7752 10 0% 0 0 0
liquid-render (click) 509979 391091 150 1618 2 0% 0 0 0
mail (click) 919835 663928 374 5609 15 0% 0 0 0
psych-load (click) 339611 254897 68 462 1 0% 0 0 0
railsbench (click) 2620635 1917109 1436 9880 16 0% 0 0 0
binarytrees (click) 173467 129779 13 58 0 0% 0 0 0
chunky_png (click) 380443 283936 88 1003 0 0% 0 0 0
erubi (click) 316059 240476 10 79 0 0% 0 0 0
erubi_rails (click) 1923995 1386649 300 1971 4 0% 0 0 0
fannkuchredux (click) 187483 140477 10 188 0 0% 0 0 0
lee (click) 374619 280824 58 622 0 0% 0 0 0
nbody (click) 182427 136651 12 158 0 0% 0 0 0
optcarrot (click) 514139 442229 207 3571 20 0% 0 0 0
rubykon (click) 317403 250261 144 1527 1 0% 0 0 0
30k_ifelse (click) 5562011 4349774 9265 57804 0 0% 0 0 0
30k_methods (click) 2177691 1658565 5784 19361 0 0% 0 0 0
cfunc_itself (click) 171483 128079 10 49 0 0% 0 0 0
fib (click) 169947 127687 10 38 0 0% 0 0 0
getivar (click) 171739 130198 10 65 0 0% 0 0 0
keyword_args (click) 172443 128833 11 51 0 0% 0 0 0
respond_to (click) 174107 129862 10 64 0 0% 0 0 0
setivar (click) 171675 128722 10 38 0 0% 0 0 0
str_concat (click) 171611 129097 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.