walsufnir on 30 January 2015
| curl-6 said: Putting aside core count and clock speed for a moment, what kind of performance boost would likely result from a PPC750 CPU going from 256kb of L2 cache, (Broadway) to 3MB, (Espresso) a 12-fold increase? |
A general answer is more L2$ means less io-wait in certain cases but if your data is too big so it doesn't fit it won't matter much. Increasing cache size can of course result in a cpu performing better but this is not generally the case. Especially if you consider it's shared among 3 cores.
