article thumbnail

Top500 list: a brief introduction

PDC

It ranks the world’s 500 most powerful supercomputers based on their performance as measured by the Linpack benchmark. However, the speed of a computer in FLOPS can vary depending on the number of bits used in the representation of the floating point numbers in the tests. You may have heard of the Top500 list.

Energy 40
article thumbnail

How to maximize CPU performance for PostgreSQL 12.0 benchmarks on Linux

HammerDB

HammerDB doesn’t publish competitive database benchmarks, instead we always encourage people to be better informed by running their own. So over at Phoronix some database benchmarks were published showing PostgreSQL 12 Performance With AMD EPYC 7742 vs. Intel Xeon Platinum 8280 Benchmarks .

Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Trending Sources

article thumbnail

The Surprising Effectiveness of Non-Overlapping, Sensitivity-Based Performance Models

John McCalpin

To show that I can criticize my own work as well, here I show that sustained memory bandwidth (using an approximation to the STREAM Benchmark ) is also inadequate as a single figure of metric. (It Over time, the mechanisms introduced for reducing energy consumption (first in laptops) became available more broadly.

article thumbnail

A Complete Guide to Performance Budgets

Speed Curve

If you've invested countless hours in speeding up your pages, but you're not using performance budgets to prevent regressions, you could be at risk of wasting all your efforts. When it comes to the impact of page speed on metrics like conversion rate and bounce rate, some pages are more critical than others.

article thumbnail

Google Lighthouse vs Rigor

Rigor

The Lighthouse Performance score is based on some of the most important performance metrics : First Contentful Paint, First Meaningful Paint, Speed Index, Time to Interactive, First CPU Idle, and Estimated Input Latency. When it comes to network speed, Lighthouse gives you three options – and no others.

Google 51