Computer Architecture Today

Informing the broad computing community about current activities, advances and future directions in computer architecture.
Archive of posts tagged: Data Centers

Fast memcpy, A System Design

by Richard L. Sites on Dec 19, 2022 | Tags: , , ,

When I worked at Google, fleet-wide profiling revealed that 25-35% of all CPU time was spent just moving bytes around: memcpy, strcmp, copying between user and kernel buffers in network and disk I/O, hidden copy-on-write in soft page faults, checksumming, compressing,...

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