Measuring Hyper-Threading and Turbo Boost
October 05, 2021 1:58PM
Contemporary x86 processors implement some variants of Hyper-Threading and Turbo Boost. We decided to learn about the implications of these two technologies....
The EPYC journey continues to Milan in Cloudflare’s 11th generation Edge Server
August 31, 2021 2:00PM
Cloudflare Network EPYC AMD HardwareAt Cloudflare we aim to introduce a new server platform to our edge network every 12 to 18 months or so, to ensure that we keep up with the latest industry technologies and developments....
Branch predictor: How many "if"s are too many? Including x86 and M1 benchmarks!
May 06, 2021 2:00PM
Deep Dive Programming AMD EPYC Speed & ReliabilityIs it ok to have if clauses that will basically never be run? Surely, there must be some performance cost to that......
Why Cloudflare Chose AMD EPYC for Gen X Servers
March 01, 2020 1:00PM
EPYC AMD Gen X Cache HardwareLooking back at this week's posts on the design, specifications, and performance of Cloudflare’s Gen X servers using AMD CPUs. Every server can run every service. This architectural decision has helped us achieve higher efficiency across the Cloudflare network....
Securing Memory at EPYC Scale
February 28, 2020 2:00PM
EPYC Hardware Data Center Cloudflare Network SecurityAt Cloudflare, we encrypt data both in transit (on the network) and at rest (on the disk). Both practices address some of the most common vectors used to exfiltrate information and these measures serve to protect sensitive data from attackers but, what about data currently in use?...
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February 27, 2020 2:00PM
Gen X Performance Tuning
We have partnered with AMD to get the best performance out of this processor and today, we are highlighting our tuning efforts that led to an additional 6% performance. Thermal design power (TDP) and dynamic power, amongst others, play a critical role when tuning a system....
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