11 Dec
2007
11 Dec
'07
4:33 p.m.
Claude Heiland-Allen wrote:
Hi all,
Just wondering why hsv2rgb.pd (which is pretty incomprehensible) isn't a compiled external. I had to write a C implementation because the Pd implementation was too slow. Some rough benchmarks:
CPU: 1.6GHz Pentium-M Patch: rather complex, with 25*1024 calls to hsv2rgb per second. CPU-load as reported by load-meter.pd: hsv2rgb.pd : 108% fast_hsv2rgb.c : 94%
Quite a difference.
honestly i think that the difference is way less than i would have expected it. it means that a super-fast implementation in C using the latest compiler optimization and whatelse is only about 14% faster than a whole punch of indirection and overhead induced by pd's message parsing....
fgmasdr. IOhannes