As Milan says, you shouldn't need C unless your program requires something like LAPACK or BLAS. Before even thinking about C you should read
http://docs.julialang.org/en/release-0.3/manual/performance-tips/ *very* carefully. If you're still struggling with performance issues feel free to ask questions about on here. On Tuesday, 24 February 2015 09:13:52 UTC, [email protected] wrote: > > Hello, > > I am a beginner to Julia and would like to try out some features. I would > like to improve performances of some bottleneck functions by translating > them into C. > A simple example is : > main.jl > > a ::Int64 = 20 > b ::Int64 = 10 > ccall(:do_sum, Int64, (Int64, Int64), a, b) > > > > test.c > #include <stdio.h> > > int do_sum (int a,int b) > { > int c; > c = a+b; > printf("f\n:",c); > return c; > } > > where should I put the C file ? > > Thanks, > G. > >
