
Originally Posted by
frantaylor
Well that is just bogus because there are many issues. Some ethernet cards just suck and you cannot see for sure unless you benchmark. If you tweak on the block size for your disk partitions it will have impact, but you will not know unless you benchmark. Often there are multiple ways to write an algorithm and you cannot tell which is faster unless you benchmark. There is a bewildering array of optimizations for gcc and you cannot tell which will make your program run faster unless you benchmark.