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News
Developing Nemotron 3.5 Lightning NVFP4 with QAD Using NVIDIA Model Optimizer
13+ hour, 10+ min ago (1463+ words) Teams customize their models to hit their targets for latency, speed, memory, and compute. With the open NVIDIA Nemotron family of models, developers can find the right-sized model for their needs. The new Nemotron 3.5 Lightning NVFP4 checkpoint, for example, preserves accuracy…...
Python Performance Profiling: Find Bottlenecks and Optimize Slow Code
5+ hour, 16+ min ago (539+ words) Hasty optimization is a trap. Developers often "optimize" code by rewriting loops or switching data structures, only to find the real cost was somewhere completely different — a database query, a repeated file read, or an accidental O(n²) pattern in a…...
The Other Half of Your Java Enum Has Been Sitting There Since Java 17
1+ hour, 6+ min ago (35+ words) Part 2 of 2: finishing the sentence enum started in 2004, with sealed interfaces, records, pattern matching, and a trick almost …...
A Generated SQL Query Got Faster by Returning Fewer Rows. Test That Before You Merge It
5+ hour, 48+ min ago (541+ words) Disclosure: This article was prepared as part of MonkeyCode's product outreach. Start with a tiny data fixture that contains an order for a customer who does not exist in the customers table. That dangling reference is common enough in legacy…...
ByteDance Seed and Tsinghua AIR Introduces CUDA Agent: A Large-Scale Agentic RL System for CUDA Kernel Generation
6+ hour, 12+ min ago (200+ words) Partly, but the trained agent is not released. It is built on Seed1.6, a proprietary MoE model with 23B active and 230B total parameters, and the paper ships no weights. Public: the CUDA-Agent-Ops-6K dataset, the SKILL.md spec and the reward and warm-up…...
xUnit 4 ParallelMode.All: Protect Shared State from Test Races
6+ hour, 43+ min ago (588+ words) xUnit 4.0.0 makes full test-case parallelization an explicit option. That is useful, but xUnit 4 ParallelMode.All changes a quiet assumption in many suites: tests in the same class, including separate rows of one theory, may now overlap. A static fake, shared…...
Single-flight caching: how one hot key stops taking the database down
8+ hour ago (257+ words) On podbor-minuta.ru some database queries are heavy, so we keep their results in a cache: apartment lists, aggregate numbers for listing pages. While the value is in the cache, everything is fast. The trouble starts the moment it expires....
Cache-Aside: The industry de-facto for caching backend apps
4+ hour, 57+ min ago (605+ words) Learn how to cache APIs in distributed systems, including cache stampedes, distributed locks, TTL jitter, stale data, and cache warming....
One Missing Index Annotation Turned My Spring Boot App Into an N+1 Query Nightmare
5+ hour, 48+ min ago (51+ words) Our Spring Boot order history endpoint was blazing fast in staging but took 4.8 seconds in production. The culprit was a hidden Hibernate N+1 query problem caused by lazy loading. Learn how a single @EntityGraph annotation reduced 341 database queries to 1 and…...
Stop Laggy Lists in React Native
5+ hour, 5+ min ago (180+ words) FlatList vs FlashList Performance problems slam hard but you don’t always need a heavy external library right away....