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Different CPUs perform subtly different. Not to mention that server-class workloads tend to expose bugs and architectural shortfalls. Ryzen hasn't had great pre
by Xorlev 9y ago
Different CPUs perform subtly different. Not to mention that server-class workloads tend to expose bugs and architectural shortfalls. Ryzen hasn't had great press in this regard, so decision makers are going to regard AMD with some skepticism to begin with. It's about risk: you know Intel chips roughly perform as they always have, just a little better each generation.
Additionally, if you rely on Intel's compiler to get more performance out of your chips, well, switching to AMD doesn't make a whole lot of sense.
AMD needs to be back in the server space for a while before they'll be trusted again.
- gaius 9y agoWhat's a server class workload in this context? Remember that Intel's embarrassing FDIV bug was spotted in Excel...
- tylerjd 9y agoI agree with most of what you said, but Kaby Lake had issues with Hyperthreading, and Haswell had to fully disable the TXT extensions, both modified (fixed/disabled) through microcode updates. You could say Intel hasn't had great press either. That being said, I still agree AMD still needs to prove their new platform in the server space.
- bonzini 9y agoFor what it's worth, it's TSX (hardware transactional memory), not TXT (secure firmware). It's a very niche feature, compared to hyperthreading.