Good to know. Looks like that we should consider improve the performance of openlibm, especially for commonly used functions such as exp, log, etc.
On Tuesday, June 17, 2014 7:23:37 PM UTC-5, Alireza Nejati wrote: > > Dahua: On my setup, most of the time is spent in the log function. > > On Tuesday, June 17, 2014 3:52:07 AM UTC+12, Florian Oswald wrote: >> >> Dear all, >> >> I thought you might find this paper interesting: >> http://economics.sas.upenn.edu/~jesusfv/comparison_languages.pdf >> >> It takes a standard model from macro economics and computes it's solution >> with an identical algorithm in several languages. Julia is roughly 2.6 >> times slower than the best C++ executable. I was bit puzzled by the result, >> since in the benchmarks on http://julialang.org/, the slowest test is >> 1.66 times C. I realize that those benchmarks can't cover all possible >> situations. That said, I couldn't really find anything unusual in the Julia >> code, did some profiling and removed type inference, but still that's as >> fast as I got it. That's not to say that I'm disappointed, I still think >> this is great. Did I miss something obvious here or is there something >> specific to this algorithm? >> >> The codes are on github at >> >> https://github.com/jesusfv/Comparison-Programming-Languages-Economics >> >> >>
