On 08/07/07, Ninel Evol <myLC@gmx.de> wrote:

If the bottlenecks are all I/O then the STL (iostreams in particular) could be one of them. If I recall it correctly the STL was a lot slower than the C counterparts in that area. X-|

iostreams are often slightly slower than the C versions, but both are faster than the disk, so that's not really a problem. The abstraction gain is usually worth it. And I'm using memory-mapped files anyways, which goes the complete opposite way on the overhead/abstraction scale. Reading GiB of data from disk just takes a long time, no matter what you do. ~ Scott