Archive of posts tagged: Memory
Fast memcpy, A System Design
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,...
Persistent Memory – A New Hope
The Cancellation of the Intel Optane Product Line Recently, Intel announced the cancellation of all Optane products, including both Optane SSDs and Optane Persistent Memory. The news came all of a sudden but was not totally unexpected, as Micron sold the 3D XPoint fab...
The Persistence of Non-Volatile Memory: Exploiting the Growing Design Space
Non-volatile memory technologies have a rich past dating back to the 1960s. Fairchild R&D Lab member Chih-tang Sah first noted in 1961 the ability of electric charge to remain on the surface of an electrical device for up to several days. By the 1970s the first...
The Time is Ripe for Disaggregated Systems
Despite being hidden from the end user, datacenters are ubiquitous in today’s life. Massive datacenter installations are the driving force behind social networking, search, streaming services, e-commerce, cloud, and the gig economy. Today’s datacenters are as...Subscribe
