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I wasn't suggesting they have a performance impact for this particular project. I'm asking why choose C++ for Thrill if you want essentially non-deterministic
by willtim 10y ago
I wasn't suggesting they have a performance impact for this particular project.
I'm asking why choose C++ for Thrill if you want essentially non-deterministic automatic memory management and lambdas. Performing e.g. map fusion as you describe is common place for functional language compilers. For example, the vector array library in Haskell has been doing this since 2008.
My hypothesis is that your high-performance implementation could be realised using safer (and I would argue more appropriate) functional languages.
- lorenzhs 10y agoI guess it comes down to familiarity and experience with the language and tooling, as well as predictability of performance. Achieving C++-like performance in Haskell seems possible from all I've seen, but also requires a lot of experience. I'd love to see a similar project realised in a functional language, that would be quite exciting!