medawsonjr
Re:Ask HN: Could you share your personal blog here?
on Tuesday July 04, 2023 @09:22PM (#36594532)
https://www.jabperf.com/blog/
Started it a couple years ago. I post mostly about topics in the area of IT Performance Engineering, with more emphasis on low latency than on high throughput.
Re:My Fear of Commitment to the First CPU Core
on Monday February 13, 2023 @10:14AM (#34774387)
Hi, I'm the author. I'm glad you enjoyed it, and pleasantly surprised that Tanel posted it already. I was right in the middle of posting it myself an hour ago when I noticed it had been posted and had fostered a discussion already :)
Re:Linux Kernel vs. DPDK: HTTP Performance Showdown
on Monday July 04, 2022 @10:52PM (#31983808)
Or better yet, Mellanox VMA since it's open source (unlike Solarflare OpenOnload) and the NICs are far less expensive.
TLB Shootdown Analysis and Upcoming HW Support Preview
Debunking 5 Stubborn Systems Performance Myths
Not Tracking CPU IPC Along with CPU% Creates Blind Spots
Using Google Benchmark's Built-In PMU Counter Support
Re:Magic-trace – High-resolution traces of what a process is doing
on Monday April 25, 2022 @01:56PM (#31158412)
It's configurable via MSR. You can also disable it system-wide or on a PCIe port basis. I detailed it all here: