3 ms·
The latency concern is completely overblown because CXL has cache coherence. The moment you do a second request to the same page it will be a cache hit. I woul
by imtringued 1y ago
The latency concern is completely overblown because CXL has cache coherence. The moment you do a second request to the same page it will be a cache hit.
I would be more worried about memory bandwidth. You can now add so much memory to your servers that it might take minutes to do a full in-memory table scan.
- justincormack 1y agoCache lines are 64 bytes, not page size.