YJIT Benchmarks

Details for Benchmarks at 2022-12-07 20:10:10

Overall YJIT is 34.9% faster than interpreted CRuby!
On Railsbench specifically, YJIT is 39.1% 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 YJIT warmups YJIT iters
activerecord 5 194 5 194
hexapdf 5 15 5 15
liquid-render 5 156 5 156
mail 5 139 5 139
psych-load 5 15 5 15
railsbench 5 15 5 15
ruby-lsp 5 279 5 279
binarytrees 5 87 5 87
chunky_png 5 32 5 32
erubi 5 68 5 68
erubi_rails 5 1078 5 1078
etanni 5 42 5 42
fannkuchredux 5 21 5 21
lee 5 22 5 22
nbody 5 270 5 270
optcarrot 5 15 5 15
rubykon 5 15 5 15
30k_ifelse 5 49 5 49
30k_methods 5 21 5 21
cfunc_itself 5 493 5 493
fib 5 327 5 327
getivar 5 436 5 436
keyword_args 5 377 5 377
respond_to 5 701 5 701
setivar 5 1360 5 1360
setivar_object 5 435 5 435
str_concat 5 486 5 486

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) 2270723 2269902 25 398 6 1% 0 0 0
hexapdf (click) 1706925 1705949 819 10222 216 2% 0 0 0
liquid-render (click) 582989 582492 156 1844 33 1% 0 0 0
mail (click) 1250807 1248989 373 4662 176 3% 0 0 0
psych-load (click) 785384 783302 70 651 19 2% 0 0 0
railsbench (click) 5498626 5497371 1779 14219 482 3% 0 0 0
ruby-lsp (click) 5358260 5357121 6428 41468 1524 3% 14554 0 0
binarytrees (click) 131047 131044 16 140 4 2% 0 0 0
chunky_png (click) 806265 805293 89 1201 31 2% 0 0 0
erubi (click) 732105 731080 13 147 4 2% 0 0 0
erubi_rails (click) 4638648 4637302 329 2779 111 3% 0 0 0
etanni (click) 131842 131421 13 108 4 3% 0 0 0
fannkuchredux (click) 143253 142154 14 273 4 1% 0 0 0
lee (click) 807048 805773 79 812 25 3% 0 0 0
nbody (click) 136621 134955 15 245 6 2% 0 0 0
optcarrot (click) 563064 561272 203 4439 93 2% 0 0 0
rubykon (click) 271710 271318 146 1640 31 1% 0 0 0
30k_ifelse (click) 5280092 5280038 9268 57200 4 0% 0 0 0
30k_methods (click) 2028160 2026418 5787 19427 4 0% 0 0 0
cfunc_itself (click) 128985 127266 13 123 4 3% 0 0 0
fib (click) 127556 126066 13 112 4 3% 0 0 0
getivar (click) 129334 127585 13 139 4 2% 0 0 0
keyword_args (click) 129763 127967 14 125 4 3% 0 0 0
respond_to (click) 129485 127658 13 139 5 3% 0 0 0
setivar (click) 128373 126769 13 119 4 3% 0 0 0
setivar_object (click) 128702 126955 13 119 4 3% 0 0 0
str_concat (click) 129241 127585 15 138 6 4% 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.