Re: gnuplot slow on BIG files

[Daniel J S. <dan...@ie...>]

Interesting.  Of course, I think the same situation exists with scanf() in the 
non-matrix ascii input.  That is what brought about the "binary" option in the 
first place.  Sending images from octave to gnuplot was sloooooow...

Dan


Ethan Merritt wrote:

> Not the factor of 10X that Dimitrios Apostolou was hoping for,
> but up to a factor of 5X depending on the platform.
> 
> 
> linux/x86
> ---------
> ./scan_timing 100000 "3.5D 1E07"
> Test atod: 0.059186
> Test sscanf: 0.150265
> Test strtod: 0.060353
> 
> DU/alpha
> ---------
> ./scan_timing 100000 "3.5D 1E07"
> Test atod: 0.100689
> Test sscanf: 0.588027
> Test strtod: 0.124872
> 
> linux/AMD64
> -----------
>  ./scan_timing 100000 "3.5D 1E07"
> Test atod: 0.033294
> Test sscanf: 0.076438
> Test strtod: 0.037122
> 
> irix/MIPS R4400
> ----------------
> ./scan_timing  100000 "3.5D 1E07"
> Test atod: 0.352085
> Test sscanf: 1.012914
> Test strtod: 0.357065
> 
> SunOS 4.1.4 1 sun4m
> ---------------------------
> ./scan_timing 100000 "3.5D 1E07"
> Test atod: 2.245737
> Test sscanf: 4.014354
> Test strtod: 2.706037