Brendan Gregg

FEBRUARY 28, 2023

As I was determined to become great at my new occupation regardless of my location, I read every sysadmin book, article, and magazine I could find on the shelf.

Performance 110

Performance Latency Cache Virtualization 110

Brendan Gregg

FEBRUARY 28, 2023

As I was determined to become great at my new occupation regardless of my location, I read every sysadmin book, article, and magazine I could find on the shelf. link] , 2021 [Trader 21] Tiffany Trader, “Cerebras Second-Gen 7nm Wafer Scale Engine Doubles AI Performance Over First-Gen Chip ,” [link] , Apr 2021 [Ghigoff 21] Yoann Ghigoff, et al.,

Performance 52

Performance Latency Cache Virtualization 52

Smashing Magazine

OCTOBER 27, 2021

Nowadays, hardware and software are designed to conduct eye-tracking studies for marketing , UX , psychological and medical research , gaming , and several other use cases. However, the price of eye-tracking used to be much higher than heatmaps, as measuring users’ gaze required special hardware to be used in-lab.

Mobile 111

Mobile Website Hardware Social Media 111

Smashing Magazine

JUNE 18, 2020

On the other hand, for simple key-value storage that also works on the web, there’s a cross-platform Google-developed first-party plugin package called shared_preferences , which has a Web-specific component called shared_preferences_web which uses NSUserDefaults , SharedPreferences or localStorage depending on the platform. In React Native.

Storage 93

Storage Mobile Website Java 93

Smashing Magazine

AUGUST 22, 2021

One of the reasons Google saw very good 0-RTT results for QUIC was that it tested it on its already heavily optimized search page, where query responses are quite small. Initial tests by Google , for example, show low percentage improvements for its use cases. This is why there is a split between client and server CIDs in QUIC.

Performance 105

Performance Network Latency Servers 105

Smashing Magazine

JANUARY 11, 2021

Assets Optimizations Brotli, AVIF, WebP, responsive images, AV1, adaptive media loding, video compression, web fonts, Google fonts. Run performance experiments and measure outcomes — both on mobile and on desktop (for example, with Google Analytics ). For each of them, Google recommends a range of acceptable speed goals.

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Performance Cache Media Metrics 145

Smashing Magazine

JANUARY 6, 2020

Run performance experiments and measure outcomes — both on mobile and on desktop (for example, with Google Analytics ). Note : as TCP generally under-utilizes network connection by a significant amount, Google has developed TCP Bottleneck Bandwidth and RRT ( BBR ), a relatively new TCP delay-controlled TCP flow control algorithm.

Performance 145

Performance Cache Network Metrics 145