Search results for Microbenchmarking

The Lies Your Microbenchmarks Tell You: A JMH Field Guide for Backend Engineers

JMH is powerful, but deceptively easy to misuse. Here are the five pitfalls that silently corrupt your results — and exactly how to fix them. If you have spent any time optimising...

The importance of benchmarks

Originally appeared on Aha! Engineering Blog.Late last year, the Aha! Develop team added support for team line-level reporting. During a team demo in the run-up to the release, we...

Engineering Rigor in the AI Age: Building a Benchmark You Can Trust

Originally appeared on eileen.codes.The Rails Infrastructure team built an open-source toolkit for benchmarking Bundler performance reliably across machines. Along the way I learne...

Optimizing Ruby Path Methods

Originally appeared on byroot’s blog.Back in November last year, I started a new job at Intercom, and one of the first projects I got to work on was improving the Intercom monolith...

Go 1.24 vs Java 25 for Microservices: An Updated Honest Benchmark in 2026

Most Go vs Java comparisons you find online predate virtual threads, generational ZGC, and Go’s Swiss Tables. This is the 2026 version — specific, sourced, and organized by the met...

TestProf Digest 2026.4: surprising finds from 30k specs

Originally appeared on Evil Martians.Authors: Vladimir Dementyev, Principal Backend Engineer, and Travis Turner, Tech EditorTopics: Performance, Rails, Open Source, Performance &am...

Benchmarking Vortex File Format ... vs Parquet, CSV ... vs DuckDB, Polars, Datafusion.

just because we want to make em' mad

I patched iozone for better disk benchmarks on modern macOS

A decade ago, I settled on iozone for disk benchmarking on all my systems. Tools like fio ('Flexible IO' tester) are a little more capable for raw disk performance testing, and oth...

Durable Programming Achieves 93% Simulation Speed Improvement by Combining mRuby and Rust

While working on a complex physics system, Durable Programming, LLC sped the simulation up from 50ms to 3-4ms - that's almost ten times faster. PEMBROKE, N.H., May 16, 2026 /PRNews...

A systematic approach to benchmarking SQL processing engines on AWS

Selecting the right SQL processing solution for large-scale data analytics is a critical decision for organizations. As data volumes grow exponentially, the technology landscape ha...

Optimizing Java Back-End Performance Profiling and Best Practices

The dashboard turned red at weekday. Our order processing API latency jumped from fifty milliseconds to five seconds. Customer support tickets flooded in. Users reported timeouts d...

Reducing PySpark Testing Suite Runtimes

with AI ...

Not All Benchmarking Data Is Created Equal

Test your Mac’s performance using one of these benchmark and speed-test tools

Macworld Is your Mac’s performance not as good as it once was? Wondering if there might be a problem with your software or if one of the components has failed? Or perhaps it’...

Showdown: esbuild 0.21 vs. SWC 1.5 vs. Babel 8 for Transpiling TypeScript 5.6 Code

esbuild 0.21 vs SWC 1.5 vs Babel 8: Transpiling TypeScript 5.6 Showdown TypeScript 5.6 introduces long-awaited features like stable decorators, const type parameters, and improve...

Локальное нагрузочное тестирование в Java с использованием Virtual Threads

Всем привет! Меня зовут Михаил, я работаю главным экспертом в ОТП Банке.Я люблю тестировать свои решения и почти всегда пишу unit- и integration-тесты. Но вот с нагрузочным тестиро...

Architecting Sub-Microsecond HFT Systems With C++ and Zero-Copy IPC

If you spend enough time building backend services, you start to think 50 milliseconds is a "fast" response time. But when you transition into the architecture of high-frequency tr...

Firefox 149 vs. Chrome 147 Web Browser Performance On Linux

It has been a while since featuring a showdown of the Mozilla Firefox and Google Chrome web browsers on Linux. With some fresh benchmarks being overdue plus the new JetStream 3 bro...

TIMEx — a deadline engine for Ruby

Production timeouts are rarely “just call Timeout.timeout.” You need a real budget, predictable expiry, and a way to pass that budget to the next service. TIMEx is a small, stdlib-...