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A comment on Meta reuses old RAM in new servers with custom bridge chip.

Re:Meta reuses old RAM in new servers with custom bridge chip by Schlagbohrer on Thursday July 09, 2026 @08:20AM (#48844705)
From the paper:

"Our CXL solution achieves substantial gains for diverse workloads, including up to a 25% reduction in server count for disaggregated ML inference"

How does using worse RAM result in 25% reduction of server count for given workloads?

[ Parent | on HN ]
Re:Meta reuses old RAM in new servers with custom bridge chip by LtdJorge on Thursday July 09, 2026 @10:25AM (#48846409)
CXL is adding "slow" RAM over PCIe, basically. Not replacing.
[ Parent | on HN ]
Re:Meta reuses old RAM in new servers with custom bridge chip by dboreham on Thursday July 09, 2026 @08:24AM (#48844760)
Because it's used in addition to, not in place of, the better RAM.
[ Parent | on HN ]