YJIT Benchmarks

Details for Benchmarks at 2022-07-11 05:17:59

Overall YJIT is 35.3% faster than interpreted CRuby!
On Railsbench specifically, YJIT is 33.3% 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 5 157 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 65 75 65 20 65
chunky_png 5 29 75 29 20 29
erubi 5 53 75 53 20 53
erubi_rails 5 1005 75 1005 20 1005
fannkuchredux 5 15 56 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 33 15 20 15
30k_ifelse 5 56 75 56 20 56
30k_methods 5 22 29 22 20 22
cfunc_itself 5 446 75 446 20 446
fib 5 315 75 315 20 315
getivar 5 761 75 761 20 761
keyword_args 5 376 75 376 20 376
respond_to 5 100 75 100 20 100
setivar 5 1857 75 1857 20 1857
str_concat 5 386 75 386 20 386

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) 1031387 765823 131 1267 0 0% 0 0 0
hexapdf (click) 1119835 878645 682 7753 10 0% 0 0 0
liquid-render (click) 515547 395403 150 1673 2 0% 0 0 0
mail (click) 925403 667854 374 5570 15 0% 0 0 0
psych-load (click) 341595 255662 68 457 1 0% 0 0 0
railsbench (click) 2637275 1927890 1436 9925 16 0% 0 0 0
binarytrees (click) 173467 129779 13 58 0 0% 0 0 0
chunky_png (click) 383579 285994 88 993 0 0% 0 0 0
erubi (click) 321691 244144 10 79 0 0% 0 0 0
erubi_rails (click) 1941979 1396827 300 1973 4 0% 0 0 0
fannkuchredux (click) 186971 140148 10 188 0 0% 0 0 0
lee (click) 379547 283643 58 623 0 0% 0 0 0
nbody (click) 182939 136980 12 158 0 0% 0 0 0
optcarrot (click) 514907 442887 207 3585 20 0% 0 0 0
rubykon (click) 323483 255228 144 1597 1 0% 0 0 0
30k_ifelse (click) 5562523 4350103 9265 57804 0 0% 0 0 0
30k_methods (click) 2177691 1658565 5784 19361 0 0% 0 0 0
cfunc_itself (click) 171995 128408 10 49 0 0% 0 0 0
fib (click) 169947 127687 10 38 0 0% 0 0 0
getivar (click) 172251 130527 10 65 0 0% 0 0 0
keyword_args (click) 172315 128720 11 51 0 0% 0 0 0
respond_to (click) 174107 129862 10 64 0 0% 0 0 0
setivar (click) 172187 129051 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.