Ruby VS Java benchmarks

Current benchmark data was generated on Fri Sep 30 2022, full log can be found HERE

CONTRIBUTIONS are WELCOME!

[x86_64][2 cores] Intel(R) Xeon(R) Platinum 8272CL CPU @ 2.60GHz (Model 85)

* -m in a file name stands for multi-threading or multi-processing

* -i in a file name stands for direct intrinsics usage. (Usage of simd intrinsics via libraries is not counted)

* -ffi in a file name stands for non-stdlib FFI usage

* (You may find time < time(user) + time(sys) for some non-parallelized programs, the overhead is from GC or JIT compiler, which are allowed to take advantage of multi-cores as that's more close to real-world scenarios.)

binarytrees

Input: 18

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
java 2.java 766ms 12ms 414.2MB 733ms 123ms openjdk 20
java 2.java 785ms 6.1ms 409.0MB 753ms 127ms openjdk 19
java 2.java 804ms 24ms 683.4MB 853ms 203ms graal/jvm 17.0.4
java 2.java 1479ms 49ms 1081.8MB 1013ms 687ms openjdk/zgc 19
ruby 1.rb timeout 0.0ms 0.0MB 0ms 0ms ruby 3.1.2
ruby 1.rb timeout 0.0ms 0.0MB 0ms 0ms ruby/yjit 3.1.2
ruby 1.rb timeout 0.0ms 0.0MB 0ms 0ms truffleruby 22.2.0

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
java 2.java 179ms 6.1ms 109.2MB 173ms 30ms openjdk 19
java 2.java 185ms 15ms 110.9MB 183ms 27ms openjdk 20
java 2.java 210ms 21ms 165.1MB 253ms 43ms graal/jvm 17.0.4
java 2.java 345ms 11ms 240.4MB 183ms 193ms openjdk/zgc 19
ruby 1.rb 1035ms 3.3ms 292.0MB 857ms 163ms ruby/yjit 3.1.2
ruby 1.rb 1079ms 3.4ms 35.5MB 1033ms 27ms ruby 3.1.2
ruby 1-m.rb 1143ms 28ms 386.2MB 1847ms 157ms truffleruby 22.2.0

coro-prime-sieve

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
java 1-m.java 3298ms 52ms 201.3MB 6173ms 120ms openjdk 19
ruby 1.rb 3425ms 53ms 336.7MB 3213ms 193ms ruby/yjit 3.1.2
java 1-m.java 4199ms 57ms 944.9MB 7373ms 620ms openjdk/zgc 19
ruby 1.rb 4508ms 91ms 80.1MB 4427ms 60ms ruby 3.1.2
java 1.java timeout 0.0ms 0.0MB 0ms 0ms openjdk 20
ruby 1.rb timeout 0.0ms 0.0MB 0ms 0ms truffleruby 22.2.0

Input: 1000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ruby 1.rb 290ms 3.0ms 42.2MB 250ms 20ms ruby 3.1.2
ruby 1.rb 428ms 4.6ms 298.7MB 273ms 137ms ruby/yjit 3.1.2
java 1-m.java 715ms 68ms 112.9MB 1240ms 53ms openjdk 19
java 1-m.java 816ms 116ms 107.2MB 1427ms 53ms openjdk 20
java 1-m.java 977ms 78ms 302.2MB 1567ms 190ms openjdk/zgc 19
ruby 1.rb timeout 0.0ms 0.0MB 0ms 0ms truffleruby 22.2.0

fasta

Input: 2500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
java 4.java 466ms 12ms 41.7MB 540ms 17ms openjdk 19
java 4.java 470ms 6.4ms 43.9MB 547ms 13ms openjdk 20
java 4.java 526ms 14ms 43.5MB 547ms 70ms openjdk/zgc 19
java 4-m.java 549ms 6.3ms 118.4MB 850ms 47ms graal/jvm 17.0.4
ruby 6.rb 2890ms 6.9ms 295.3MB 2730ms 143ms ruby/yjit 3.1.2
ruby 6.rb 4559ms 42ms 39.4MB 4527ms 13ms ruby 3.1.2
ruby 6.rb timeout 0.0ms 0.0MB 0ms 0ms truffleruby 22.2.0

Input: 250000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
java 4.java 142ms 2.0ms 41.3MB 160ms 10ms openjdk 19
java 4.java 142ms 1.7ms 42.9MB 157ms 20ms openjdk 20
java 4.java 156ms 7.9ms 82.9MB 173ms 37ms graal/jvm 17.0.4
java 4.java 201ms 3.0ms 41.3MB 170ms 63ms openjdk/zgc 19
ruby 6.rb 517ms 5.9ms 31.1MB 490ms 13ms ruby 3.1.2
ruby 6.rb 530ms 2.3ms 287.7MB 373ms 137ms ruby/yjit 3.1.2
ruby 6-m.rb 1710ms 5.1ms 368.7MB 3030ms 150ms truffleruby 22.2.0

helloworld

Input: QwQ

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ruby 1.rb 48ms 0.8ms 145.7MB 22ms 24ms truffleruby 22.2.0
ruby 1.rb 73ms 0.7ms 30.0MB 50ms 10ms ruby 3.1.2
java 1.java 77ms 2.0ms 58.0MB 70ms 14ms graal/jvm 17.0.4
java 1.java 83ms 3.5ms 40.6MB 80ms 10ms openjdk 20
java 1.java 89ms 4.9ms 40.5MB 78ms 10ms openjdk 19
java 1.java 136ms 2.5ms 39.9MB 80ms 68ms openjdk/zgc 19
ruby 1.rb 259ms 0.7ms 286.6MB 106ms 136ms ruby/yjit 3.1.2

json-serde

Input: sample 5000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ruby 1.rb 448ms 12ms 48.7MB 413ms 10ms ruby 3.1.2
ruby 1.rb 627ms 2.2ms 305.0MB 440ms 167ms ruby/yjit 3.1.2
ruby 1.rb timeout 0.0ms 0.0MB 0ms 0ms truffleruby 22.2.0

Input: canada 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ruby 1.rb 3913ms 2.7ms 162.4MB 3813ms 83ms ruby 3.1.2
ruby 1.rb 4091ms 3.2ms 419.6MB 3837ms 237ms ruby/yjit 3.1.2
ruby 1.rb timeout 0.0ms 0.0MB 0ms 0ms truffleruby 22.2.0

lru

Input: 1000 1000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ruby 1.rb 660ms 1.2ms 286.7MB 510ms 133ms ruby/yjit 3.1.2
ruby 1.rb 676ms 6.3ms 30.1MB 653ms 3ms ruby 3.1.2
ruby 1-m.rb 937ms 23ms 313.9MB 1377ms 110ms truffleruby 22.2.0

Input: 1000 3000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ruby 1.rb 1460ms 4.2ms 286.7MB 1310ms 130ms ruby/yjit 3.1.2
ruby 1.rb 1804ms 16ms 343.9MB 2420ms 137ms truffleruby 22.2.0
ruby 1.rb 1879ms 3.5ms 30.2MB 1850ms 13ms ruby 3.1.2

Input: 100 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
ruby 1.rb 373ms 2.8ms 29.8MB 353ms 7ms ruby 3.1.2
ruby 1.rb 459ms 1.0ms 286.7MB 297ms 143ms ruby/yjit 3.1.2
ruby 1-m.rb 646ms 3.5ms 299.9MB 960ms 113ms truffleruby 22.2.0

merkletrees

Input: 17

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
java 1.java 575ms 8.1ms 294.1MB 597ms 87ms openjdk 20
java 1.java 600ms 16ms 365.9MB 607ms 97ms openjdk 19
java 1.java 681ms 58ms 366.4MB 847ms 120ms graal/jvm 17.0.4
java 1.java 1088ms 1.8ms 733.5MB 740ms 500ms openjdk/zgc 19
ruby 1.rb timeout 0.0ms 0.0MB 0ms 0ms ruby 3.1.2
ruby 1.rb timeout 0.0ms 0.0MB 0ms 0ms ruby/yjit 3.1.2
ruby 1.rb timeout 0.0ms 0.0MB 0ms 0ms truffleruby 22.2.0

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
java 1.java 245ms 3.0ms 174.2MB 243ms 63ms openjdk 19
java 1.java 246ms 3.9ms 173.9MB 263ms 43ms openjdk 20
java 1-m.java 301ms 4.0ms 244.5MB 420ms 77ms graal/jvm 17.0.4
java 1.java 465ms 8.9ms 325.2MB 287ms 230ms openjdk/zgc 19
ruby 1-m.rb 3686ms 45ms 554.1MB 6717ms 240ms truffleruby 22.2.0
ruby 1.rb 4073ms 11ms 300.7MB 3900ms 160ms ruby/yjit 3.1.2
ruby 1.rb 4835ms 18ms 44.4MB 4800ms 23ms ruby 3.1.2

nbody

Input: 5000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
java 1.java 586ms 6.5ms 87.4MB 627ms 30ms graal/jvm 17.0.4
java 1.java 638ms 5.0ms 44.2MB 647ms 20ms openjdk 19
java 1.java 643ms 3.3ms 42.4MB 650ms 23ms openjdk 20
java 1.java 705ms 4.7ms 42.0MB 663ms 73ms openjdk/zgc 19
ruby 2.rb 1295ms 5.6ms 306.8MB 1593ms 117ms truffleruby 22.2.0
java 2.java 2299ms 9.1ms 534.4MB 2290ms 163ms openjdk 20
java 2.java 2309ms 29ms 487.1MB 2310ms 157ms openjdk 19
java 2.java 3386ms 50ms 1654.7MB 2387ms 1197ms openjdk/zgc 19
ruby 2.rb timeout 0.0ms 0.0MB 0ms 0ms ruby 3.1.2
ruby 2.rb timeout 0.0ms 0.0MB 0ms 0ms ruby/yjit 3.1.2

Input: 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
java 1.java 157ms 3.9ms 42.3MB 170ms 10ms openjdk 19
java 1.java 157ms 4.7ms 42.7MB 170ms 20ms openjdk 20
java 1.java 157ms 3.0ms 87.9MB 203ms 23ms graal/jvm 17.0.4
java 1.java 214ms 4.5ms 43.5MB 183ms 63ms openjdk/zgc 19
java 2.java 480ms 11ms 354.0MB 527ms 93ms openjdk 20
java 2.java 482ms 9.4ms 345.0MB 523ms 103ms openjdk 19
ruby 2-m.rb 493ms 6.7ms 304.9MB 767ms 113ms truffleruby 22.2.0
java 2.java 802ms 2.3ms 484.3MB 590ms 367ms openjdk/zgc 19
ruby 2.rb 2395ms 10ms 286.8MB 2240ms 133ms ruby/yjit 3.1.2
ruby 2.rb 3243ms 20ms 29.9MB 3217ms 13ms ruby 3.1.2

nsieve

Input: 12

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
java 2.java 1037ms 6.0ms 53.9MB 1073ms 20ms openjdk 20
java 2.java 1075ms 26ms 54.2MB 1107ms 23ms openjdk 19
java 2.java 1123ms 1.7ms 51.0MB 1100ms 70ms openjdk/zgc 19
java 1.java 1127ms 18ms 86.7MB 1147ms 33ms openjdk 20
java 1.java 1140ms 16ms 84.6MB 1163ms 30ms openjdk 19
java 1.java 1405ms 18ms 110.5MB 1353ms 103ms openjdk/zgc 19
java 1.java 1613ms 33ms 164.5MB 2260ms 73ms graal/jvm 17.0.4
java 2-m.java 2068ms 15ms 130.4MB 3833ms 50ms graal/jvm 17.0.4
ruby 1.rb timeout 0.0ms 0.0MB 0ms 0ms ruby 3.1.2
ruby 1.rb timeout 0.0ms 0.0MB 0ms 0ms ruby/yjit 3.1.2
ruby 1.rb timeout 0.0ms 0.0MB 0ms 0ms truffleruby 22.2.0

Input: 10

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
java 1.java 248ms 2.6ms 60.4MB 283ms 17ms openjdk 20
java 1.java 250ms 2.8ms 62.3MB 283ms 17ms openjdk 19
java 1.java 313ms 4.1ms 59.2MB 283ms 73ms openjdk/zgc 19
java 2.java 329ms 2.4ms 48.7MB 363ms 20ms openjdk 19
java 2.java 330ms 3.1ms 46.8MB 360ms 20ms openjdk 20
java 1-m.java 351ms 14ms 135.8MB 467ms 67ms graal/jvm 17.0.4
java 2.java 388ms 3.1ms 46.1MB 357ms 77ms openjdk/zgc 19
java 2-m.java 669ms 8.9ms 127.2MB 1167ms 67ms graal/jvm 17.0.4
ruby 1.rb 4157ms 8.2ms 458.8MB 4563ms 180ms truffleruby 22.2.0
ruby 1.rb timeout 0.0ms 0.0MB 0ms 0ms ruby 3.1.2
ruby 1.rb timeout 0.0ms 0.0MB 0ms 0ms ruby/yjit 3.1.2

pidigits

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
java 1.java timeout 0.0ms 0.0MB 0ms 0ms graal/jvm 17.0.4
java 1.java timeout 0.0ms 0.0MB 0ms 0ms openjdk 19
java 1.java timeout 0.0ms 0.0MB 0ms 0ms openjdk 20
java 1.java timeout 0.0ms 0.0MB 0ms 0ms openjdk/zgc 19
ruby 1.rb timeout 0.0ms 0.0MB 0ms 0ms ruby 3.1.2
ruby 1.rb timeout 0.0ms 0.0MB 0ms 0ms ruby/yjit 3.1.2
ruby 1.rb timeout 0.0ms 0.0MB 0ms 0ms truffleruby 22.2.0

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
java 1.java 1515ms 17ms 317.7MB 1813ms 113ms openjdk 19
java 1.java 1529ms 15ms 309.2MB 1803ms 107ms openjdk 20
java 1.java 1564ms 6.5ms 384.4MB 1910ms 120ms graal/jvm 17.0.4
java 1.java 2102ms 48ms 967.5MB 1730ms 713ms openjdk/zgc 19
ruby 1-m.rb 2343ms 8.7ms 410.5MB 4263ms 187ms truffleruby 22.2.0
ruby 1.rb 2950ms 4.1ms 162.2MB 2857ms 77ms ruby 3.1.2
ruby 1.rb 3100ms 8.3ms 420.7MB 2860ms 223ms ruby/yjit 3.1.2

spectral-norm

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
java 2-m.java 4360ms 25ms 107.0MB 8363ms 43ms graal/jvm 17.0.4
java 2.java timeout 0.0ms 0.0MB 0ms 0ms openjdk 19
java 2.java timeout 0.0ms 0.0MB 0ms 0ms openjdk 20
java 2.java timeout 0.0ms 0.0MB 0ms 0ms openjdk/zgc 19
ruby 4.rb timeout 0.0ms 0.0MB 0ms 0ms ruby 3.1.2
ruby 4.rb timeout 0.0ms 0.0MB 0ms 0ms ruby/yjit 3.1.2
ruby 4.rb timeout 0.0ms 0.0MB 0ms 0ms truffleruby 22.2.0

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
java 2-m.java 1256ms 53ms 103.4MB 2277ms 47ms graal/jvm 17.0.4
java 2-m.java 1633ms 55ms 42.8MB 3080ms 23ms openjdk 20
java 2-m.java 1736ms 112ms 45.0MB 3293ms 10ms openjdk 19
java 2-m.java 1749ms 139ms 42.7MB 3200ms 77ms openjdk/zgc 19
ruby 4.rb timeout 0.0ms 0.0MB 0ms 0ms ruby 3.1.2
ruby 4.rb timeout 0.0ms 0.0MB 0ms 0ms ruby/yjit 3.1.2
ruby 4.rb timeout 0.0ms 0.0MB 0ms 0ms truffleruby 22.2.0

Input: 2000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
java 2-m.java 436ms 26ms 100.2MB 727ms 37ms graal/jvm 17.0.4
java 2-m.java 577ms 28ms 44.3MB 1013ms 20ms openjdk 20
java 2-m.java 583ms 8.5ms 43.6MB 1033ms 7ms openjdk 19
java 2-m.java 632ms 24ms 44.2MB 1010ms 77ms openjdk/zgc 19
ruby 4.rb 3041ms 38ms 368.9MB 3677ms 137ms truffleruby 22.2.0
ruby 4.rb timeout 0.0ms 0.0MB 0ms 0ms ruby 3.1.2
ruby 4.rb timeout 0.0ms 0.0MB 0ms 0ms ruby/yjit 3.1.2