YJIT Benchmarks

Details for Benchmarks at 2022-07-09 20:14:14

Overall YJIT is 34.7% faster than interpreted CRuby!
On Railsbench specifically, YJIT is 34.0% 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 5 193 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 65 75 65 20 65
chunky_png 5 29 75 29 20 29
erubi 5 53 75 53 20 53
erubi_rails 5 1001 75 1001 20 1001
fannkuchredux 5 15 56 15 20 15
lee 5 21 75 21 20 21
nbody 5 275 75 275 20 275
optcarrot 5 15 75 15 20 15
rubykon 5 15 34 15 20 15
30k_ifelse 5 56 75 56 20 56
30k_methods 5 22 29 22 20 22
cfunc_itself 5 444 75 444 20 444
fib 5 314 75 314 20 314
getivar 5 759 75 759 20 759
keyword_args 5 378 75 378 20 378
respond_to 5 102 75 102 20 102
setivar 5 1849 75 1849 20 1849
str_concat 5 380 75 380 20 380

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) 1028571 764707 131 1254 0 0% 0 0 0
hexapdf (click) 1123547 881658 682 7751 10 0% 0 0 0
liquid-render (click) 510235 391310 150 1638 2 0% 0 0 0
mail (click) 904219 652328 375 5352 15 0% 0 0 0
psych-load (click) 344731 258176 68 457 1 0% 0 0 0
railsbench (click) 2632731 1924302 1436 9892 16 0% 0 0 0
binarytrees (click) 172955 129450 13 58 0 0% 0 0 0
chunky_png (click) 385627 287258 88 1009 0 0% 0 0 0
erubi (click) 321883 244603 10 79 0 0% 0 0 0
erubi_rails (click) 1943131 1397815 300 1973 4 0% 0 0 0
fannkuchredux (click) 187483 140477 10 188 0 0% 0 0 0
lee (click) 382875 286453 58 623 0 0% 0 0 0
nbody (click) 182427 136684 12 158 0 0% 0 0 0
optcarrot (click) 513883 442262 207 3585 20 0% 0 0 0
rubykon (click) 317275 250183 144 1532 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) 171483 128112 10 49 0 0% 0 0 0
fib (click) 170459 128016 10 38 0 0% 0 0 0
getivar (click) 172251 130527 10 65 0 0% 0 0 0
keyword_args (click) 172827 129049 11 51 0 0% 0 0 0
respond_to (click) 173595 129533 10 64 0 0% 0 0 0
setivar (click) 171675 128755 10 38 0 0% 0 0 0
str_concat (click) 172123 129426 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.