Plus, you may have GCC with optimization flags on, due to your Linux system [for example Gentoo] - whily FPC may be compiling its programs in the normal, unoptimized way. This also may be a problem. Check it.
On Wednesday 13 June 2007 11:56, [EMAIL PROTECTED] wrote:
> Hi
>
> I wrote two programs one in C and one in Freepascal.
>
> The program read a variable of a library and write it to stdout. I will
> put it into a file: ("#: ./dataprog > file.dat"). I use "printf" in the C
> and "writeln" in Freepascal.
>
> The problem: The fpc-based program is explicit slower than the c-based
> program. My questions: Why is it so? Is it possible to avoid the problem?
>
>
> --------------
> C source:
>
> for (i=0;i<n;i++) {
> out1=(single) libout1[i];
> out2=(single) libout2[i];
> count+=1;
> printf("%20.0f%15.5f%15.5f\n",count,out1,out2);}
>
> --------------
> fpc source:
>
> for i:=0 to n do
> begin
> out1:=single(libout1[i]);
> out2:=single(libout2[i]);
> inc(count);
> writeln(stdout, count:20, out1:15:5, out2:15:5);
> end;
>
> --------------
>
> _______________________________________________
> fpc-pascal maillist - fpc-pascal@lists.freepascal.org
> http://lists.freepascal.org/mailman/listinfo/fpc-pascal
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