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performance
289 postsHow Lazy Loading Images Affected My Core Web Vitals
A new design and lazy loading strategy negatively impacted my Core Web Vitals. Learn about the performance drop and solutions.
Mastering Custom C++ Kernels for Edge AI on Android via NDK
A technical look at bypassing Kotlin's abstraction tax for on-device LLMs using JNI, zero-copy buffers, and NPU-aligned C++ kernels via the Android NDK.
Runloom Brings Go-Style Fibers to Python Concurrency
Runloom is an experimental extension for free-threaded CPython 3.13t that brings Go-style, work-stealing fibers to Python, matching Go's networking throughput in benchmarks.
CommitBrief — AI code reviews, right in your terminal
A provider-agnostic, local-first CLI that reviews your staged changes, a historic range, or a whole GitHub pull request. Zero telemetry, no server. Free and open source.
commitbrief.comNetflix Cuts Cassandra Partition Latency to Milliseconds via Per-ID Splitting
Netflix's AI team splits wide Cassandra partitions per ID asynchronously during reads, cutting tail latency from seconds to milliseconds with zero app changes.
Stream Compaction on NEON: Hand-Vectorizing copy_if
NEON lacks a compress instruction, so compilers can't vectorize copy_if. This piece shows how tbl-based lookup tables restore SIMD throughput with a 30x speedup.
Why Rust services hold onto memory: glibc, jemalloc and munmap
A Rust service's RSS stayed flat after load tests. The cause wasn't a memory leak but glibc's arena-based allocator behavior; switching to jemalloc fixed it.
Allocating on the Stack
Go 1.25 and 1.26 enhance stack allocations, reducing garbage collector load and improving memory efficiency.
Flux: Compile an LLM to Your Hardware and Serve It
Flux creates the optimal plan for LLM inference on your hardware.
Microsoft ThinkingBox: Evaluating AI Agents by Their Outcomes
Microsoft ThinkingBox evaluates AI agents based on their outcomes, now accessible via Hugging Face.
Rendering Large Pull Requests in the GitHub Copilot App
Enhancements in the GitHub Copilot app for managing and rendering large pull requests.