Adrian Cockcroft

JANUARY 20, 2023

on Myths and Legends of High Performance Computing  — it’s a somewhat light-hearted look at some of the same issues by the leader of the team that built the Fugaku system I mention below. HPCG is led by Japan’s RIKEN Fugaku system at 16 petaflops, which is 3% of it’s peak capacity. petaflops, which is 0.8% of peak capacity.

Architecture 52

Architecture Latency Benchmarking AWS 52

Smashing Magazine

MARCH 2, 2021

The gotcha here is that, if your mobile experience isn’t optimized for various devices and network conditions, these customers will never appear in your analytics — just because your website or app will be barely usable on their devices, and so they are unlikely to return. A performance benchmark Lighthouse is well-known.

Mobile 135

Mobile Testing Website Benchmarking 135

Adrian Cockcroft

JUNE 21, 2022

The early days at Sun Cambridge were special, I absorbed a lot about networking and the technical side of the role from my fellow systems engineer Martin Baines, and we were driving all over the region in cool company cars (I had a Citroen BX 16V) selling a really hot product.

Tuning 52

Tuning Benchmarking Engineering C++ 52

HammerDB

NOVEMBER 30, 2018

HammerDB is open source and all of the source code is available at the sourceforge Git development site here [link] or the github mirror here [link]. In fact all of this source code is also included in readable form with each and every release. Otherwise the code is the same on all platforms. Programming Languages.

Architecture 40

Architecture Virtualization Open Source C++ 40

Smashing Magazine

JUNE 2, 2021

Today, the website is much faster and ranks highly in various showcases and benchmarks. The waterfall of network activity helped a lot here, but so did thinking of user flows. We audited the JavaScript that we had, and the majority is from libraries for different tasks, with very little custom code. Large preview ).

Performance 117

Performance Cache Website Mobile 117

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. Java used to power core file system code. Python used to power client-side code, certain microservices, migration scripts, internal scripts. Document store.

Architecture 52

Architecture Cache Azure Storage 52

ScaleOut Software

MAY 15, 2014

We have spent a great deal of time at ScaleOut Software re-architecting our in-memory data grid (IMDG)’s code base to make best use of many cores and large memory. Also, load-balancing after membership changes must be both multi-threaded and pipelined to drive the network at maximum bandwidth. Testing Scale-Up Performance.

Cache 40

Cache Servers Network Design 40

SQL Server According to Bob

JANUARY 11, 2020

SQL Server always checks I/O completion status for any operating system error conditions and proper data transfer size and then handles errors appropriately. Torn pages generally arise after system outages where the subsystem does not complete the entire 8-KB I/O request. This utility is located on the Microsoft Web site.

Servers 40

Servers Cache Media Hardware 40

SQL Server According to Bob

JANUARY 11, 2020

Subsystem / Path The ​​ I/O subsystem or path ​​ includes ​​ those ​​ components ​​ that are ​​ used to support an I/O operation. aspx ) and ​​ Sparse Files ​​ ( [link] f ault.asp?url=/library/en-us/fileio/fs/sparse_files.asp

Servers 40

Servers Cache Database Media 40