The Netflix TechBlog

APRIL 17, 2019

AOM has produced the reference software for AV1, which is called libaom and is available online. SVT-AV1 uses parallelization at several stages of the encoding process, which allows it to adapt to the number of available cores including newest servers with significant core count. SVT-AV1 already stands out in its speed.

Open Source 166

Open Source Scalability Speed Efficiency 166

The Netflix TechBlog

FEBRUARY 13, 2020

By Aditya Mavlankar, Jan De C**k¹, Cyril Concolato, Kyle Swanson, Anush Moorthy and Anne Aaron TL; DR We need an alternative to JPEG that a) is widely supported, b) has better compression efficiency and c) has a wider feature set. High-Efficiency Video Coding ( HEVC ) is the successor of H.264, 264, a.k.a.

Code 212

Code Metrics Efficiency Open Source 212

HammerDB

JUNE 27, 2022

These factors meant that often when looking for database performance information, the results for a particular combination of software and hardware were not available. In addition to the TPC-C specification for OLTP workloads, the TPC has also developed the TPC-E specification. Supported Databases. Derived Workloads. The NOPM Metric.

Benchmarking 62

Benchmarking Open Source C++ Cache 62

Percona

JUNE 4, 2023

In this blog, we’ll provide a comparison between MariaDB vs. MySQL (including Percona Server for MySQL ). Via various optimization techniques, such as advanced query optimization, efficient indexing, and fast data processing, MariaDB can deliver excellent performance even when running heavy workloads.

Open Source 52

Open Source Servers Storage Scalability 52

Highly Scalable

SEPTEMBER 18, 2012

These developments gradually highlight a system of relevant database building blocks with proven practical efficiency. Historically, NoSQL paid a lot of attention to tradeoffs between consistency, fault-tolerance and performance to serve geographically distributed systems, low-latency or highly available applications. Data Placement.

Database 213

Database Latency C++ Scalability 213

The Netflix TechBlog

SEPTEMBER 10, 2019

Previously, the centralized platform only had T-Test and Mann-Whitney while advanced statistical tests were only available via scripts or Shiny apps. When contributing a new statistical test, the data scientist only needs to think about one comparison computation at a time.

Metrics 215

Metrics Architecture Infrastructure Innovation 215

Smashing Magazine

JULY 19, 2021

By adding automated visual testing , we can eliminate those flaky tests , leveling up our testing pipelines providing that coverage (and more) by taking advantage of smart image comparisons using screenshots of our website or app. Image Comparisons. Leveraging The Different Types Of Testing. How Does Visual Testing Work?

Testing 142

Testing Code Design Strategy 142

The Netflix TechBlog

JANUARY 24, 2022

Regressive build is above alert threshold Subsequent build is easily below alert threshold c) Performance tests against PRs, which had been almost constantly red (because the probability of at least one static threshold being breached was always high), are now mostly green. the data itself now sets the thresholds dynamically.

Performance 199

Performance Metrics Performance Testing Testing 199

Enprowess

NOVEMBER 2, 2021

Quick Summary : A comparison of the two most widely used cross platform frameworks to build both iOS and Android mobile applications: React Native vs Flutter. Before starting with a detailed comparison, let us first overview both the frameworks React Native and Flutter. Performance comparison. Performance comparison.

Development 52

Development Social Media Mobile Code 52

SQL Performance

SEPTEMBER 5, 2019

CREATE CLUSTERED COLUMNSTORE INDEX c ON #T WITH ( MAXDOP = 1 ) ; Run the following test queries against the new columnstore table: SELECT. c = COUNT_BIG ( * ) FROM #T AS T WHERE 1 = ( SELECT 1 ) -- Avoid trivial plan. c = COUNT_BIG ( * ) FROM #T AS T WHERE 1 = ( SELECT 1 ) -- Avoid trivial plan.

Performance 81

Performance C++ Storage Servers 81

Testsigma

JULY 31, 2021

Testers work in tandem with developers and product managers in this testing process to focus on the overall efficiency of the product. Increased test efficiency. So, whether your features are conclusive or not — you can start working on your testing approach even without the availability of the application or software.

Testing 52

Testing Testing Tools Analytics Java 52

Smashing Magazine

AUGUST 9, 2021

HTTP/2 versus HTTP/3 protocol stack comparison ( Large preview ). QUIC is needed because TCP, which has been around since the early days of the Internet, was not really built with maximum efficiency in mind. This all means that QUIC will probably never be universally available, which we’ll discuss more in part 3 ( coming soon! ).

Transportation 145

Transportation Internet Internet Network 145

Enprowess

MAY 24, 2022

Most of the code available in React Native is JavaScript, making it easy for front-end developers to develop an application quickly. When one needs to make complex calculations simultaneously, then Swift, Objective-C, and Java have more speed than JavaScript since there are overheads within JavaScript to control native elements.

Mobile 52

Mobile Open Source Virtualization Speed 52

Smashing Magazine

AUGUST 22, 2021

One aspect of performance is about how efficiently a transport protocol can use a network’s full (physical) bandwidth (i.e. Additionally, even if we knew the available physical bandwidth, that wouldn’t mean we could use all of it ourselves. More in-depth information is available. Congestion Control. What Does It All Mean?

Performance 106

Performance Network Latency Servers 106

O'Reilly

MARCH 23, 2023

An API for ChatGPT is available. GPT-3 and GPT-4 are not open source, but are available for free and paid access. Poe is a chat app based on Claude, and available through Quora; there is a waiting list for access to the Claude API. LLaMA Developed by Facebook/Meta, and available to researchers by application.

Google 103

Google Open Source Programming Code 103

Smashing Magazine

JANUARY 11, 2021

Alternatively, you can also use: Addy Osmani’s Chrome UX Report Compare Tool , Speed Scorecard (also provides a revenue impact estimator), Real User Experience Test Comparison or SiteSpeed CI (based on synthetic testing). Layout Shift GIF Generator that visualizes CLS with a simple GIF (also available from the command line).

Performance 145

Performance Cache Media Metrics 145

O'Reilly

MAY 19, 2020

However, a notable minority—some 15%—occupy C-level or executive roles. Oddly, about 3% of non-adopters cited cost as a primary reason not to move workloads to cloud; cost-efficiency is usually touted as one of cloud’s most attractive features. A comparison of respondent organization size and share of applications hosted in the cloud.

Cloud 141

Cloud Serverless AWS Architecture 141

Smashing Magazine

SEPTEMBER 6, 2021

For example, you could reduce compression efficiency , because that works better with more data. I would personally recommend using Cloudflare or Fastly because they have been intimately involved in the standardization process and will have the most advanced and well-tuned implementations available. Implementation.

Network 105

Network Servers Cache Traffic 105

Scalegrid

AUGUST 15, 2019

This feature is perfect for someone who is not as familiar or efficient in using MongoDB syntax. It’s further enhanced by an in-place code editor which is also available in all three views. Query Code for converting queries to five target language: Java, Python, C#, PHP, and JavaScript (Node.js). MongoDB Compass.

Database 40

Database Servers Monitoring Availability 40

John McCalpin

JANUARY 22, 2018

Since “peak performance” for the processor is two (512-bit SIMD) FMA instructions per cycle, any instructions that are not FMA instructions subtract directly from the available peak performance. 1 12 3 15 15 15.0156 8.0 8.056 0.056 75.0% 74.48% 0.70%. 2 24 3 27 13.5 7.086 0.086 85.71% 84.67% 1.22%. 4 48 3 51 12.75 FMAs/cycle. .

Latency 40

Latency Hardware Code Testing 40

Smashing Magazine

JANUARY 7, 2019

To get a good first impression of how your competitors perform, you can use Chrome UX Report ( CrUX , a ready-made RUM data set, video introduction by Ilya Grigorik), Speed Scorecard (also provides a revenue impact estimator), Real User Experience Test Comparison or SiteSpeed CI (based on synthetic testing).

Performance 104

Performance Cache Network Metrics 104

Smashing Magazine

JANUARY 6, 2020

Alternatively, you can also use Speed Scorecard (also provides a revenue impact estimator), Real User Experience Test Comparison or SiteSpeed CI (based on synthetic testing). Paddy Ganti’s script constructs two URLs (one normal and one blocking the ads), prompts the generation of a video comparison via WebPageTest and reports a delta.

Performance 145

Performance Cache Network Metrics 145

Brendan Gregg

SEPTEMBER 5, 2017

What follows are topics that may be of interest to anyone looking to migrate their systems and skillset: scan these to find topics that interest you. ## ZFS ZFS is available for Linux via the [zfsonlinux] and [OpenZFS] projects, and more recently was included in Canonical's Ubuntu Linux distribution: Ubuntu Xenial 16.04 Hit Ctrl-C to end. ^C

Virtualization 76

Virtualization AWS Engineering Hardware 76

SQL Server According to Bob

JANUARY 11, 2020

​​ Various defragmentation ​​ utilities ​​ are ​​ available ​​ on the market today. KB ​​ boundaries efficiently. If a sector size of ​​ 1536 ​​ bytes is used, ​​ the alignment for data pages is broken.

Servers 40

Servers Cache Database Media 40