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Command A: Max performance, minimal compute – 256k context window

Nubmq: A high performant key-value store engine built from first principles

IO Devices and Latency

ArkFlow – High-performance Rust stream processing engine

Interprocedural Sparse Conditional Type Propagation

Unraveling Time: A Deep Dive into TTD Instruction Emulation Bugs

An Attempt to Catch Up with JITs: The False Lead of Optimizing Inline Caches

Xcode now supports Processor Trace profiling on M4/A18

Constant-time coding will soon become infeasible

Strings Just Got Faster

The best – but not good – way to limit string length

Giving V8 a Heads-Up: Faster JavaScript Startup with Explicit Compile Hints

[D] Consistently Low Accuracy Despite Preprocessing — What Am I Missing?

Why did Windows 7, for a few months, log on slower if you have a solid color background?

Why performance optimization is hard work

[D] Is My Model Actually Learning?” How did you learn to tell when training is helping vs. hurting?

Qwen3-30B-A3B runs at 12-15 tokens-per-second on CPU

Non Smooth ROC Curve[R], [N], [P],

DiceDB

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dice

DiceDB is an open-source, fast, reactive, in-memory database optimized for modern hardware.

google

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flatbuffers

FlatBuffers: Memory Efficient Serialization Library

pola-rs

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polars

Dataframes powered by a multithreaded, vectorized query engine, written in Rust

grafana

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pyroscope

Continuous Profiling Platform. Debug performance issues down to a single line of code

bytedance

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sonic

A blazingly fast JSON serializing & deserializing library

google

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highway

Performance-portable, length-agnostic SIMD with runtime dispatch

fastfetch-cli

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fastfetch

A maintained, feature-rich and performance oriented, neofetch like system information tool.

apache

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doris

Apache Doris is an easy-to-use, high performance and unified analytics database.

PaperMC

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Paper

The most widely used, high performance Minecraft server that aims to fix gameplay and mechanics inconsistencies