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Feature #8576
open![Author: Anonymous](/images/anonymous.png?1722288379)
Add optimized method type for constant value methods
Description
I've written a patch adding a new method type (VM_METHOD_TYPE_CONSTVAL) for methods that only return a constant value. The patch significantly improves the performance of calls to these types of methods.
I've written a small benchmark script:
require "benchmark"
def foo
1234
end
puts Benchmark.measure {
1_000_000.times do
foo; foo; foo; foo; foo
foo; foo; foo; foo; foo
end
}
Before patch:
$ ./rb x.rb
0.620000 0.000000 0.620000 ( 0.625130)
After patch:
$ ./rb x.rb
0.300000 0.000000 0.300000 ( 0.296528)
The patch is here: https://github.com/charliesome/ruby/compare/constant-value-methods
Updated by Anonymous about 11 years ago
- Assignee set to ko1 (Koichi Sasada)
Feedback would be appreciated!
Updated by ko1 (Koichi Sasada) about 11 years ago
Memo - Discussion on twitter:
https://twitter.com/charliesome/status/350901225010638850
Updated by ko1 (Koichi Sasada) almost 11 years ago
- Category set to core
- Target version set to 2.1.0
Updated by ko1 (Koichi Sasada) over 10 years ago
- Target version changed from 2.1.0 to 2.6
Updated by ko1 (Koichi Sasada) over 7 years ago
Actually, I tried this approach, but I couldn't find good improvement. I'll try it again.
Updated by shyouhei (Shyouhei Urabe) over 7 years ago
- Status changed from Open to Assigned
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