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The older hardware (Intel Xeon X5550) for m2.* instances did not support AVX. The newer hardware supports AVX, but to maintain compatibility with the old hardwa
by kelkabany 14y ago
The older hardware (Intel Xeon X5550) for m2.* instances did not support AVX. The newer hardware supports AVX, but to maintain compatibility with the old hardware, it is disabled (but was still advertised, which is what caused the issue).
AVX is turned on in newer instances like the cc2.8xlarge, which maps to the f2 core on PiCloud.