Testsigma

FEBRUARY 3, 2021

Mobiles have different models, screen resolutions, operating systems, network types, hardware configurations, etc. Also, how to test the hardware of the mobile phone itself, is it supporting all the software as it should? Let us have a look at the most popular types of mobile testing for applications and hardware.

Mobile 82

Mobile Testing Hardware C++ 82

Alex Russell

SEPTEMBER 20, 2020

Pre-publication gates were valuable when better answers weren't available, but commentators should update their priors to account for hardware and software progress of the past 13 years. The closer one looks, the less a definition of "appiness" can be pinned down to specific technologies.

Hardware 64

Hardware Mobile Programming Java 64

The Morning Paper

MAY 21, 2019

We focus on a definition that draws from the following two principles: (1) the value of temporal locality, by classifying as cold a memory page that has not been accessed beyond a threshold of T seconds; (2) a proxy for the application effect of far memory, by measuring the rate of accesses to cold memory pages, called promotion rate.

Software 78

Software Software Google Hardware 78

Smashing Magazine

APRIL 19, 2021

Time to First Byte (TTFB), DOM Content Loaded, Start Render, Speed Index) — but from the experience of the user. Google uses anonymized data from Chrome users to feedback metrics and makes these available in the Chrome User Experience Report (CrUX). This field data section is important and we’ll come back to that later.

Google 140

Google Metrics Mobile Analytics 140

MachMetrics

JULY 27, 2018

Here’s 10 pretty typical sites (including Amazon and Bing, not just mom-and-pop sites): Nope, there’s definitely a problem across the board. One person tried to fix it by beefing up the hardware from a large to xlarge (which doubles the compute power), but that didn’t make a big difference. .”

Speed 40

Speed Hardware Internet Internet 40

SQL Performance

AUGUST 27, 2019

AMD is definitely pushing the idea that a one-socket AMD Ryzen 7002 based server is a superior replacement for nearly any two-socket Intel-based server. It will also use less power than a two-socket Intel server, with a lower hardware cost, and potentially lower licensing costs (for things like VMware). Single-Socket Database Servers.

Servers 52

Servers Benchmarking Virtualization Architecture 52

Smashing Magazine

JANUARY 11, 2021

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. Note : If you use Page Speed Insights or Page Speed Insights API (no, it isn’t deprecated!),

Performance 145

Performance Cache Media Metrics 145

Percona

AUGUST 29, 2018

Be aware of differing definitions. The definition of the SHMMAX/SHMALL parameters is slightly different between Linux and MacOS X. These are the definitions: Linux: kernel.shmmax, kernel.shmall. vm.overcommit_ratio is the percentage of RAM that is available for overcommitment. MacOS X: kern.sysv.shmmax, kern.sysv.shmall.

Tuning 58

Tuning Database Servers Processing 58

Alex Russell

MARCH 6, 2021

Modern network performance and availability. Hardware Past As Performance Prologue. Regardless, the overall story for hardware progress remains grim, particularly when we recall how long device replacement cycles are: Tap for a larger version. Recall that single-core performance most directly translates into speed on the web.

Performance 124

Performance Network Cache Metrics 124

SQL Server According to Bob

JANUARY 11, 2020

Many high-end disk subsystems provide high-speed cache facilities to reduce the latency of read and write operations. Example 1: ​​ Hardware failure (CPU board) Battery backup on the caching controller maintained the data. Important Always consult with your hardware manufacturer for proper stable media strategies.

Servers 40

Servers Cache Media Hardware 40

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

CSS - Tricks

AUGUST 18, 2020

Yet, this criticism of React isn’t completely unwarranted: React and ReactDOM total about 120 KiB of minified JavaScript, which definitely contributes to slow startup time. When even a bit of React can be a problem on devices slow and fast alike, using it is an intentional choice that effectively excludes people with low-end hardware.

Performance 101

Performance Mobile Servers Code 101

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

John McCalpin

NOVEMBER 5, 2016

Each of these accumulators must use a different register name, and there are only 16 SIMD register names available. I have been unable to find any other register-blocking scheme that has enough accumulators, fits in the available registers, and requires less than 2 loads per cycle. So that was a lot of detail — what is the point?

Cache 40

Cache C++ Latency Hardware 40

The Morning Paper

JANUARY 19, 2020

The software and hardware actually embodying the system can’t actually be seen or controlled directly (the argument is a bit like the philosophical one that we can’t directly experience an object except through our senses), instead we experience it through the various interfaces those parts expose to us.

C++ 50

C++ Systems Software Software 50

Alex Russell

OCTOBER 22, 2017

If our example document wasn’t reliant on JavaScript to construct the <my-app> custom element, the contents of the document would likely be interactive as soon as enough CSS and content was available to render meaningfully. Any DOM or UI created in JS is not available for use until the script runs. Global Ground-Truth.

Performance 68

Performance Benchmarking Network Mobile 68

O'Reilly

NOVEMBER 28, 2023

A year after the first web servers became available, how many companies had websites or were experimenting with building them? That pricing won’t be sustainable, particularly as hardware shortages drive up the cost of building infrastructure. Certainly not two-thirds of them. report that the difficulty of training a model is a problem.

Open Source 108

Open Source Artificial Intelligence Google Infrastructure 108

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 LTS (April 2016).

Virtualization 76

Virtualization AWS Engineering Hardware 76

All Things Distributed

JULY 14, 2015

In traditional database architectures, database engines often run a small search engine or data warehouse engines on the same hardware as the database. At launch, an item’s change record is available in the stream for 24 hours after it is created. DynamoDB Cross-region Replication. DynamoDB Triggers.

Database 167

Database Lambda AWS IoT 167

Smashing Magazine

AUGUST 22, 2021

A Primer on Speed. Discussing performance and “speed” can quickly get complex, because many underlying aspects contribute to a web-page loading “slowly”. It is physically limited by the speed of light or, practically, how fast signals can travel in wires or in the open air. Congestion Control.

Performance 105

Performance Network Latency Servers 105

High Scalability

NOVEMBER 25, 2019

To add elasticity, reliability and durability, these data centers are connected to Google Cloud platform using high speed, secure Google Interconnect network. There are many unique things but the storage layer, event-based sync is definitely worth learning, here are more details on it Egnyte object store and Egnyte Canonical File System.

Architecture 52

Architecture Cache Azure Storage 52