CMM-to-ASM: Register allocation wierdness

Dominic Steinitz dominic at
Thu Jun 16 07:11:59 UTC 2016

>  Hi, I am implementing unicode normalization in Haskell. I
> challenged myself to match the performance with the best C/C++
> implementation, the best being the ICU library. I am almost there,
> beating it in one of the benchmarks and within 30% for others. I am
> out of all application level tricks that I could think of and now
> need help from the compiler.

I can't answer your question but I am very happy that someone is
looking at performance issues.

I am sad that no-one has responded.

More generally, is there a story around what is happening to improve


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