RSS Parrot

Why I joined OpenAI

http://www.brendangregg.com/blog//2026-02-07/why-i-joined-openai.html

Published: February 6, 2026 13:00

The staggering and fast-growing cost of AI datacenters is a call for performance engineering like no other in history; it's not just about saving costs – it's about saving the planet. I have joined OpenAI to work on this challenge directly, with an initial…

Leaving Intel

http://www.brendangregg.com/blog//2025-12-05/leaving-intel.html

Published: December 4, 2025 13:00

InnovatiON 2022 AI Flame Graphs GPU Flame Scope Harshad Sane SREcon APAC Cloud strategy Last day I've resigned from Intel and accepted a new opportunity. If you are an Intel employee, you might have seen my fairly long email that summarized what I did in…

On "AI Brendans" or "Virtual Brendans"

http://www.brendangregg.com/blog//2025-11-28/ai-virtual-brendans.html

Published: November 27, 2025 13:00

There are now multiple AI performance engineering agents that use or are trained on my work. Some are helper agents that interpret flame graphs or eBPF metrics, sometimes privately called AI Brendan; others have trained on my work to create a Virtual…

Intel is listening, don't waste your shot

http://www.brendangregg.com/blog//2025-11-22/intel-is-listening.html

Published: November 21, 2025 13:00

Intel's new CEO, Lip-Bu Tan, has made listening to customers a top priority, saying at Intel Vision earlier this year: "Please be brutally honest with us. This is what I expect of you this week, and I believe harsh feedback is most valuable." I'd been in…

Third Stage Engineering

http://www.brendangregg.com/blog//2025-11-17/third-stage-engineering.html

Published: November 16, 2025 13:00

The real performance of any computer hardware in production is the result of the hardware, software, and tuning; the investment and sequence of these efforts can be pictured as a three-stage rocket: I recently presented this embarrassingly simple…

When to Hire a Computer Performance Engineering Team (2025) part 1 of 2

http://www.brendangregg.com/blog//2025-08-04/when-to-hire-a-computer-performance-engineering-team-2025-part1.html

Published: August 3, 2025 14:00

As a leader in computer performance I've been asked by companies about how (and why) to form a performance engineering team, and as this is broadly useful I'll share my advice here. Large tech companies in the US hire performance engineers (under that or…

3 Years of Extremely Remote Work

http://www.brendangregg.com/blog//2025-05-22/3-years-of-extremely-remote-work.html

Published: May 21, 2025 14:00

In the last 3 years I've attended 77 meetings that began between 1am and 6am, roughly once every two weeks, followed by my usual 7am start, Monday to Saturday. I'm working remotely from Australia for a US firm (Intel) who does not have a local office here.…

Doom GPU Flame Graphs

http://www.brendangregg.com/blog//2025-05-01/doom-gpu-flame-graphs.html

Published: April 30, 2025 14:00

AI Flame Graphs are now open source and include Intel Battlemage GPU support, which means it can also generate full-stack GPU flame graphs for providing new insights into gaming performance, especially when coupled with FlameScope (an older open source…

AI Flame Graphs

http://www.brendangregg.com/blog//2024-10-29/ai-flame-graphs.html

Published: October 28, 2024 13:00

Imagine halving the resource costs of AI and what that could mean for the planet and the industry -- based on extreme estimates such savings could reduce the total US power usage by over 10% by 20301. At Intel we've been creating a new analyzer tool to…

No More Blue Fridays

http://www.brendangregg.com/blog//2024-07-22/no-more-blue-fridays.html

Published: July 21, 2024 14:00

In the future, computers will not crash due to bad software updates, even those updates that involve kernel code. In the future, these updates will push eBPF code. Friday July 19th provided an unprecedented example of the inherent dangers of kernel…