Volker Braun wrote:
On Saturday, June 8, 2013 6:31:40 PM UTC+1, leif wrote:... which isn't tuned for the specific machine. au contraire, full tuned. Of course using some pre-tuned values, for which you need a recent enough Core i7.
So you're saying they're shipping ATLAS libraries which dynamically choose the particularly best implementation, depending on the flavour of the present Nehalem / SandyBridge / SandyBridge-E / IvyBridge (/ Haswell?) Core i3 / i5 / i7 CPU and its cache sizes etc., and probably for all kinds of (newer) AMD CPUs as well?
The specific memory latency and bandwidth of the machine matters as well, as does whether you're using a dedicated GPU for some chips.
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