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Interesting. Other than branchy-ness, was there anything else you think correlated to poorer performance on Graviton 2.
by BeeOnRope 5y ago
Interesting. Other than branchy-ness, was there anything else you think correlated to poorer performance on Graviton 2.
- ceeplusplus 5y agoBranchy-ness usually also correlates with cache friendliness (e.g. branchy code is usually a server app calling lots of different functions, with lots of virtual function calls), and Graviton2 has an abnormally small L3 cache relative to its x86 competitors. If I had to hazard a guess I'd say heavily vectorized code will also perform worse especially compared to Intel instances where you have AVX-512.
- winrid 5y agoDidn't read into this much yet but the smaller L3 cache makes me sad. Benchmarking will show true colors but hoping to move some DB clusters to Gravaton2.