Add dumb loop microbenchmark #349
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This is a modified version of a microbenchmark circulated on twitter by "TheDumbTechGuy". It's obviously not representative of most Ruby code, but it does show areas where we could perform much better with better inlining and better quality code generation.
k0kubun
approved these changes
Dec 3, 2024
eregon
reviewed
Dec 4, 2024
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| 4_000.times do |i| | ||
| 4_000.times do |j| | ||
| a[i] += j % u |
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This modulo in the inner loop likely dominates the benchmark, I'd suggest to use & 0b111 or so instead.
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This is a modified version of a microbenchmark circulated on twitter by "TheDumbTechGuy". It's obviously not representative of most Ruby code, but it does show areas where we could perform much better with better inlining and better quality code generation.