Brendan Gregg

JULY 4, 2021

AWS Graviton2); for memory with the arrival of DDR5 and High Bandwidth Memory (HBM) on-processor; for storage including new uses for 3D Xpoint as a 3D NAND accelerator; for networking with the rise of QUIC and eXpress Data Path (XDP); and so on. Ford, et al., “TCP

Performance 52

Performance Latency Hardware Storage 52

Brendan Gregg

FEBRUARY 28, 2023

References I've reproduced the references from my SREcon22 keynote below, so you can click on links: [Gregg 08] Brendan Gregg, “ZFS L2ARC,” [link] , Jul 2008 [Gregg 10] Brendan Gregg, “Visualizations for Performance Analysis (and More),” [link] , 2010 [Greenberg 11] Marc Greenberg, “DDR4: Double the speed, double the latency?

Performance 52

Performance Latency Cache Virtualization 52

MachMetrics

OCTOBER 16, 2019

Elon Musk’s need for speed. However, there is excitement around Starlink for other reasons – namely, the implications it might have for internet speed and latency – even by just a small amount (20 milliseconds on average). This ultimately guides us to one conclusion: Speed is incredibly important.

Internet 44

Internet Internet Latency Speed 44

CSS - Tricks

JANUARY 31, 2020

In 2015, HTTP/2 became a published standard in an effort to update an aging protocol. From 2016 (PDF warning) to 2019 , the average mobile download speed in the U.S. In Brazil and India, average mobile download speeds increased by 75% and 28%, respectively, in that same period of time. has increased by 73%.

Innovation 50

Innovation Mobile Best Practices Speed 50

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. Dean Hume at Upfront 2015 from Five Simple Steps on Vimeo. I thought I'd add the link here along with some pictures and the video from the event.

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. Dean Hume at Upfront 2015 from Five Simple Steps on Vimeo. I thought I'd add the link here along with some pictures and the video from the event.

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. Dean Hume at Upfront 2015 from Five Simple Steps on Vimeo. I thought I'd add the link here along with some pictures and the video from the event.

Website 40

Website Mobile Speed Network 40

Jos

JUNE 2, 2018

At the same time, they open a door to lots of concepts that might be overwhelming: PRPL, RAIL, Paint Timing API, TTI, HTTP/2, Speed Index, Priority Hints and more …. Also, the speed of my internet connection is humongous and I’m close to data centres located in Stockholm and London. Ideally, shoot for 30% speed improvements.

Performance 130

Performance Speed Google Media 130

Rigor

SEPTEMBER 11, 2019

list of those who are making a significant impact on speeding up the web today. Developers representing hundreds of companies work together at these meetups to become masters in performance metrics and the latest trends in measuring site speed.) We at Rigor respect many web performance leaders around the world. Rachel Andrew.

Performance 89

Performance Education Google Website 89

Speed Curve

DECEMBER 19, 2018

Because the HTML parser stopped, all network traffic also stopped (because no other HTML tags were parsed to initiate HTTP requests). In late 2015, the median was 10 synchronous scripts and 2 asynchronous scripts. It wasn't just IE7 that did this - all browsers behaved this way back then. Enter the Preloader.

Internet 53

Internet Internet Website Traffic 53

Tim Kadlec

MARCH 14, 2019

That’s what it was called back in 2015 when the team working on the service wrote up a detailed paper about the optimizations Flywheel applied , and why. If you’ve done a good job of optimizing your site for less than ideal network scenarios and kept it lightweight, you’re unlikely to see it impact your site at all.

Google 63

Google Traffic Cache Servers 63

Alex Russell

JANUARY 30, 2024

It's time once again to update our priors regarding the global device and network situation. JavaScript-Heavy # Since at least 2015, building JavaScript-first websites has been a predictably terrible idea, yet most of the sites I trace on a daily basis remain mired in script. [1] What's changed since last year? and 75KiB of JavaScript.

Performance 90

Performance Network Mobile Speed 90

The Netflix TechBlog

JULY 1, 2019

Some of the metrics we use to measure performance on the Netflix TV app include animation frames per second (FPS), key input responsiveness (the amount of time before a member’s key press renders a change in the UI), video playback speed, and app start-up time. One such area is our graphics memory management.

Cache 166

Cache Design Testing Development 166

Brendan Gregg

NOVEMBER 29, 2017

Virtualized in Hardware**: Hardware support for virtualization, and near bare-metal speeds. In this configuration, the AMI and boot is paravirt (PV), the kernel is making hypercalls instead of privileged instructions, and the system is using paravirt network and storage drivers. AWS called this [enhanced networking]. Impressive!

Virtualization 111

Virtualization AWS Hardware Storage 111

The Agile Manager

JANUARY 31, 2020

There is an alternative perspective that is far more optimistic : digital companies drive down costs through hyper-efficiency (speed, automation and machine scale) and price transparency. Ride sharing services have added driver/fleet capacity and accelerated speed-of-access for local transportation service.

Energy 52

Energy Government Entertainment Transportation 52

Brendan Gregg

NOVEMBER 28, 2017

Virtualized in Hardware**: Hardware support for virtualization, and near bare-metal speeds. In this configuration, the AMI and boot is paravirt (PV), the kernel is making hypercalls instead of privileged instructions, and the system is using paravirt network and storage drivers. AWS called this [enhanced networking]. Impressive!

Virtualization 40

Virtualization AWS Hardware Storage 40

Alex Russell

MARCH 6, 2021

Thanks to progress in networks and browsers (but not devices), a more generous global budget cap has emerged for sites constructed the "modern" way: ~100KiB of HTML/CSS/fonts and ~300-350KiB of JS (compressed) is the new rule-of-thumb limit for at least the next year or two. Modern network performance and availability.

Performance 124

Performance Network Cache Metrics 124

Enprowess

JANUARY 12, 2022

Web development is evolving at a rapid speed with each passing year. And so, it optimizes the page loading speed and reduces the bounce rate. So it is convenient for all to use irrespective of internet speed and it works offline using cached data. Internet of things (IoT) – Number of IoT devices 2015-2025 Statista.

Blockchain 59

Blockchain IoT Development Serverless 59

Smashing Magazine

APRIL 1, 2020

Wordpress relies heavily on plugins and themes which may contain malicious codes or bugs and slow the speed of the website or blog. Agility CMS is a Content-First Headless CMS, allowing you to choose any programming language while also getting the flexibility, speed, and power that comes from lightweight APIs. Traditional CMS e.g

Open Source 103

Open Source Website Mobile Code 103

Brendan Gregg

AUGUST 8, 2017

Anyway, the following patch seems to make the load average much more consistent WRT the subjective speed of the system. 90491 N|rnberg (Germany) Consulting+Networking+Programming+etc'ing 42. . ;-). 90491 N|rnberg (Germany) Consulting+Networking+Programming+etc'ing 42. Network I/O? Which type of I/O? File system I/O?

Latency 111

Latency Metrics C++ Systems 111

Smashing Magazine

JANUARY 11, 2021

Networking, HTTP/2, HTTP/3 OCSP stapling, EV/DV certificates, packaging, IPv6, QUIC, HTTP/3. You need a business stakeholder buy-in, and to get it, you need to establish a case study, or a proof of concept using the Performance API on how speed benefits metrics and Key Performance Indicators ( KPIs ) they care about. Large preview ).

Performance 145

Performance Cache Media Metrics 145

Smashing Magazine

JANUARY 6, 2020

You need a business stakeholder buy-in, and to get it, you need to establish a case study, or a proof of concept using the Performance API on how speed benefits metrics and Key Performance Indicators ( KPIs ) they care about. Start Render time, Speed Index ). Treo Sites provides competitive analysis based on real-world data.

Performance 145

Performance Cache Network Metrics 145

Smashing Magazine

JANUARY 7, 2019

You need a business stakeholder buy-in, and to get it, you need to establish a case study on how speed benefits metrics and Key Performance Indicators ( KPIs ) they care about. Note : If you use Page Speed Insights (no, it isn’t deprecated), you can get CrUX performance data for specific pages instead of just the aggregates.

Performance 103

Performance Cache Metrics Network 103