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Re:New EC2 Instance Types of re:Invent 2021 by hedgehog on Sunday December 05, 2021 @12:46PM (#29451065)
It seems unclear, the Intel has fewer cores (6 vs A1's 8) and probably less memory bandwidth per core, but then each core would be faster than the Graviton1. You'd need to benchmark your specific workload to find out.
Re:New EC2 Instance Types of re:Invent 2021 by cldellow on Sunday December 05, 2021 @01:03PM (#29451233)
The a1.4xlarge has 16 cores, not 8. One of the sales pitches of the Graviton is that it has no SMT, so you get more predictable per-core performance.
Re:New EC2 Instance Types of re:Invent 2021 by hedgehog on Sunday December 05, 2021 @03:14PM (#29452695)
Oops, yes, it's 16 cores vs 6.