CSS Wizardry

OCTOBER 12, 2022

The reason they give us this cumbersome snippet, and not a much more succinct , is purely historical: async snippets are a legacy performance hack. Generally speaking, blocking files are worse for performance, especially when hosted on someone else’s origin. Well, unfortunately, this performance polyfill is bad for performance.

Speed 301

Speed Government Performance Code 301

Smashing Magazine

JUNE 3, 2022

Measuring The Performance Of Typefaces For Users (Part 1). Measuring The Performance Of Typefaces For Users (Part 1). How well does a typeface work and perform against another similar typeface? Reasons To Measure The Performance Of Typefaces? Measuring Typefaces And The Resulting Performance Data. Thomas Bohm.

Performance 110

Performance Design Best Practices Testing 110

Speed Curve

JUNE 10, 2015

At Velocity 2015 in Santa Clara, Bruce Lawson described the dramatic growth of connected users in Asia and Africa, while highlighting the challenge faced when trying to deliver great experiences to a broad range of devices. Here’s Kadlec’s related talk from Velocity 2014 in New York: The path to performance.

Metrics 40

Metrics Design DevOps Website 40

Dynatrace

APRIL 30, 2021

At Perform 2021, Dynatrace product manager Michael Winkler sat down with Atlassian’s DevOps evangelist, Ian Buchanan, to talk about how you can achieve speed, stability, and scale in your DevOps toolchain as you optimize your practices on the path to self-service. You can find the full list of Perform sessions available on demand.

DevOps 221

DevOps Speed Efficiency Engineering 221

Brendan Gregg

JULY 4, 2021

It's an exciting time for developments in computer performance, not just for the BPF technology (which I often [write about]) but also for processors with 3D stacking and cloud vendor CPUs (e.g., This was a chance to talk about other things I've been working on, such as the present and future of hardware performance.

Performance 52

Performance Latency Hardware Storage 52

Dynatrace

APRIL 2, 2020

Performance has always mattered. With sniffers, network performance engineers were ultimately able to relate wire data performance to what business owners expected from the networks they financed. The network performance engineer who managed the sniffer was the guru. The DC RUM wave. Technology developments come in waves.

Network 167

Network Traffic Monitoring Java 167

Dynatrace

NOVEMBER 8, 2021

Application performance monitoring (APM) solutions have evolved in recent years, and organizations now have plenty of options to choose from when selecting the right tools for their needs. APM solutions track key software application performance metrics using monitoring software and telemetry data. Dynatrace news.

Artificial Intelligence 237

Artificial Intelligence Monitoring Infrastructure Cloud 237

Brendan Gregg

FEBRUARY 28, 2023

At USENIX SREcon22 APAC I gave the opening keynote on the future of computer performance, rounding up the latest developments and making predictions of where I see things heading. This talk originated from my updates to Systems Performance 2nd Edition , and this was the first time I've given this talk in person!

Performance 52

Performance Latency Cache Virtualization 52

Brendan Gregg

APRIL 14, 2022

On the Netflix Java/Linux/EC2 stack there were no working mixed-mode flame graphs, no production safe dynamic tracer, and no PMCs: All tools I used extensively for advanced performance analysis. Apart from developing tools, much of my time has been spent helping teams with performance issues and evaluations. How would I do my job?

Java 145

Java Cloud Cache AWS 145

Jos

JUNE 2, 2018

Web Performance is not only about understanding what makes a site fast. Performance is a feature and needs to be prioritized as such. Performance is a topic that has interested me for a long time. Moving over to web, the performance problems are different. These days we have more and better tools to audit our performance.

Performance 130

Performance Speed Google Media 130

Rigor

SEPTEMBER 11, 2019

Reading time 16 min Whether you’re a web performance expert, an evangelist for the culture of performance, a web engineer incorporating performance into your process, or someone new to the web performance entirely, you probably identify as curious, excited about new ideas, and always learning. Rick Byers.

Performance 89

Performance Education Google Website 89

Brendan Gregg

MAY 28, 2021

I've moved from the San Francisco Bay Area to Sydney, Australia, where I will continue the best job so far of my career: Performance engineering at Netflix. Back in 2015 we'd have BPF (iovisor) meetups in Santa Clara and most contributors would be there in person, with some having travelled. Yes, I'm performance analyzing myself.

Google 144

Google Open Source Engineering AWS 144

Brendan Gregg

MAY 8, 2021

People often tell me they don't understand performance tool output because they can't tell what's "good" or "bad." It can be hard as performance is subjective. I recently encountered terrible disk performance and thought it'd be useful to collect Linux tool screenshots and share them for reference.

Performance 40

Performance Latency Speed Systems 40

High Scalability

MARCH 22, 2019

BrentToderian : What city went from 14% of all trips by bike in 2001, to 22% by 2012, then leaped to 30% in 3 years by 2015, & 35% by 2018? What happens when no new open source comes out of the smaller companies, and the big-3 decide they don't really need or want to play nice anymore? Debt skyrocketing.

Internet 134

Internet Internet Scalability Wireless 134

CSS - Tricks

MAY 17, 2019

Instilling a performance culture at The Telegraph. We've been working hard at The Telegraph to improve third-party performance. Gareth Clubb : At The Telegraph (a major UK newspaper), we set up a web performance working group to tackle our “organizational” performance challenges and instill a performance culture.

Performance 42

Performance Internet Internet Metrics 42

Adrian Cockcroft

AUGUST 1, 2022

photo by Adrian I gave a talk at Monitorama in Portland Oregon in June, which set out the idea that carbon is just another metric to monitor, and that in a few years most of the monitoring and performance tuning tools are going to be reporting and optimizing for carbon alongside latency, throughput, availability and cost.

AWS 52

AWS Virtualization DevOps Latency 52

Dynatrace

APRIL 17, 2019

If you hadn’t already heard the news, the entire Dynatrace team is immensely proud to once again been positioned as a Leader in the Gartner 2019 Magic Quadrant for Application Performance Monitoring (APM). Gartner Magic Quadrant for Application Performance Monitoring, Charley Rich, Federico De Silva, Sanjit Ganguli, 14 March 2019.

Innovation 139

Innovation Virtualization Cloud Azure 139

Randon ASCII

OCTOBER 1, 2023

Investigating weird Chrome performance problems is literally my job so we started chatting. The difference is dramatic: The performance of scanning the memory in the normal mode is quite consistent, taking about 0.2 The answer is later in this post. Then it does the same thing with the process set to background mode. ms per scan.

Efficiency 98

Efficiency Processing Programming Systems 98

Brendan Gregg

DECEMBER 31, 2017

My last talk for 2017 was at AWS re:Invent, on "How Netflix Tunes EC2 Instances for Performance," an updated version of my [2014] talk. A video of the talk is on youtube : The slides are on slideshare : I love this talk as I get to share more about what the Performance and Operating Systems team at Netflix does, rather than just my work.

Tuning 61

Tuning AWS Best Practices Network 61

The Morning Paper

JANUARY 21, 2020

Trade-offs under pressure: heuristics and observations of teams resolving internet service outages , Allspaw, Masters thesis, Lund University, 2015. The document runs to 87 pages, so I’m going to cover the material across two posts.

Internet 98

Internet Internet Strategy Energy 98

KeyCDN

NOVEMBER 19, 2020

In October 2015 KeyCDN released a free WordPress caching plugin called Cache Enabler. Added cache engine to improve handling and performance. We did this because we wanted to give back to the WordPress community in the offering of a caching solution that was not complicated and most importantly, free.

Cache 116

Cache Network Open Source Speed 116

Brendan Gregg

DECEMBER 30, 2017

My last talk for 2017 was at AWS re:Invent, on "How Netflix Tunes EC2 Instances for Performance," an updated version of my [2014] talk. A video of the talk is on youtube : The slides are on slideshare : I love this talk as I get to share more about what the Performance and Operating Systems team at Netflix does, rather than just my work.

Tuning 52

Tuning AWS Best Practices Network 52

Alex Podelko

SEPTEMBER 8, 2020

Some time ago Federico Toledo published Performance Testing with Open Source Tools- Busting The Myths. How did you get into performance engineering? At first, we were using LoadRunner, but we quickly moved to Performance Center. After a year I was put in charge of the Performance Center platform (9.52

Open Source 223

Open Source Performance Testing Testing Performance 223

Adrian Cockcroft

APRIL 24, 2023

We leased a Nissan Leaf 2011–2014, bought a 2010 Tesla Roadster in 2013, leased a Fiat 500e 2014–2017, and bought a Tesla Model 3 Performance in early 2020. We’ve also driven a friend’s 2015 Tesla Model S on some long trips. We’re experienced electric car owners, and early adopters. and was about 50% charged.

Infrastructure 98

Infrastructure Code Performance Systems 98

Percona

AUGUST 27, 2018

5000 named Percona to their list in 2013, 2014, 2015 and 2016. Peter was an early employee at MySQL AB, eventually leading the company’s High-Performance Group. Peter is a co-author of High-Performance MySQL: Optimization, Backups, and Replication , one of the most popular books on MySQL performance.

Open Source 43

Open Source Internet Internet Strategy 43

Strategic Tech

FEBRUARY 27, 2021

Every step in a developer’s journey is an opportunity to improve their experience and improve the performance of the organization. Self-service can also be implemented by giving teams, or senior people within a team, the ability to perform tasks themselves like admin permissions in Jira and Confluence.

Development 98

Development Strategy Infrastructure Metrics 98

Speed Curve

NOVEMBER 3, 2019

” Tammy, Steve and Cliff at Velocity Conference circa 2015. As a veteran in the performance industry, I’ve spent a large part of my career helping to build performance culture. Building performance culture across the organization. What am I most excited about? Building a more inclusive web.

Education 48

Education Latency Strategy Speed 48

Percona

JUNE 4, 2023

Critical features of MariaDB include robust security features like encryption at rest and in transit, user authentication, and role-based access control (RBAC), as well as high-performance query execution, advanced indexing techniques, and replication, clustering, and sharding, ensuring scalability and high availability. What is MySQL?

Open Source 52

Open Source Servers Storage Scalability 52

Brendan Gregg

JULY 2, 2021

I chose these to find the most performance wins with the fewest tools. Here are the top ten tools you can run and present as a generic BPF observability dashboard, along with suggested visualizations: Tool Shows Visualization. execsnoop New processes (via exec(2)) table. opensnoop Files opened table. ext4slower Slow filesystem I/O table.

Latency 145

Latency Cache Energy Systems 145

CSS - Tricks

JANUARY 31, 2020

In 2015, HTTP/2 became a published standard in an effort to update an aging protocol. This was was both necessary and overdue, as HTTP/1 rendered web performance as an arcane sort of discipline in the form of strange workarounds of its limitations. From 2016 (PDF warning) to 2019 , the average mobile download speed in the U.S.

Innovation 50

Innovation Mobile Best Practices Speed 50

ACM Sigarch

APRIL 26, 2018

TFLOPS deep learning performance, and is equipped with 32GB of high-bandwidth memory (HBM) capacity. The new DGX-2, which achieves 2 petaFLOPS in the system, combines 16 fully interconnected GPUS with 10x the deep learning performance. TPU1 focused on the inference tasks, and has been deployed in the datacenter since 2015.

Hardware 99

Hardware Artificial Intelligence Architecture Google 99

Dean Hume

JULY 22, 2015

The presentation itself was based on the importance of mobile web performance and a covered a few guidelines that you can use to improve the speed of your mobile websites. This talk was aimed at all developers that build websites and dives into basic and advanced web performance techniques - there is something for everyone!

Website 40

Website Mobile Speed Network 40

Dean Hume

JULY 22, 2015

The presentation itself was based on the importance of mobile web performance and a covered a few guidelines that you can use to improve the speed of your mobile websites. This talk was aimed at all developers that build websites and dives into basic and advanced web performance techniques - there is something for everyone!

Website 40

Website Mobile Speed Network 40

Dean Hume

JULY 22, 2015

The presentation itself was based on the importance of mobile web performance and a covered a few guidelines that you can use to improve the speed of your mobile websites. This talk was aimed at all developers that build websites and dives into basic and advanced web performance techniques - there is something for everyone!

Website 40

Website Mobile Speed Network 40

Brendan Gregg

MAY 28, 2021

I've moved from the San Francisco Bay Area to Sydney, Australia, where I will continue the best job so far of my career: Performance engineering at Netflix. Back in 2015 we'd have BPF (iovisor) meetups in Santa Clara and most contributors would be there in person, with some having travelled. Yes, I'm performance analyzing myself.

Google 40

Google Engineering Open Source AWS 40

Speed Curve

DECEMBER 19, 2018

Understanding the importance of loading scripts asynchronously might help increase adoption of this critical performance improvement, so we're going to walk through the evolution of async script loading starting way back in 2007. The preloader is the most important performance improvement browsers ever made. Finally: Async.

Internet 53

Internet Internet Website Traffic 53

All Things Distributed

MARCH 11, 2015

Adoption is now really starting to explode in 2015 as more and more businesses understand the power analytics has to empower their organizations. For example the many video streams recorded during a Premier League match are used by teams to improve player performance and drive specific training schemes. Cloud enables secure analytics.

Analytics 136

Analytics Cloud Healthcare Retail 136