Check my edit number 2
Check my edit number 2
What about the RAM bandwidth issue? Pre-production cpu/board, bad BIOS or..
2x Dual E5 2670, 32 GB, Transcend SSD 256 GB, 2xSeagate Constellation ES 2TB, 1KW PSU
HP Envy 17" - i7 2630 QM, HD6850, 8 GB.
i7 3770, GF 650, 8 GB, Transcend SSD 256 GB, 6x3 TB. 850W PSU
That's the strange part - float on AVX should be ~2x faster then double since both are executed by the same hardware using the same registers, and this is true for Ivy and Sandy). It's not clear why it's not true for Haswell. Latency is not important here.Originally Posted by informal
Check my edit number 2
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