AmpereOne Performance In The Cloud With Oracle Cloud A2

[phoronix]

Phoronix: Ampere Altra vs. AmpereOne Performance In The Cloud With Oracle Cloud A2

After talking about AmpereOne for the Oracle Cloud Infrastructure since last year, earlier this month Oracle finally announced general availability on their OCI Ampere A2 instances for tapping into these latest-generation Ampere Computing AArch64 server processors in the public cloud. Here's a brief look at the OCI Ampere A2 performance with AmpereOne compared to their prior A1 instances powered by Ampere Altra.

https://www.phoronix.com/review/ampereone-oracle-cloud-a2

[milkylainen]

Maybe I'm getting this wrong.
The AmpereOne is a brand spanking new custom arch and the old ones are (Neoverse N1 based?) is from... 2019-ish?
The speedup is nice, but I thought it would be bigger?

[PerformanceExpert]

Maybe I'm getting this wrong.
The AmpereOne is a brand spanking new custom arch and the old ones are (Neoverse N1 based?) is from... 2019-ish?
The speedup is nice, but I thought it would be bigger?

The speedup comes mostly from doubling the number of cores rather than from major IPC gains (it's still a 4-wide design like Neoverse N1). It would be nice to see side-by-side results with Graviton, but my guess it will be between Graviton 3 and 4 on multithreaded workloads - at far lower cost.