NVIDIA Hopper GPU architecture with sparse tensor cores and memory hierarchy illustration

Architecting Sparse Tensor Computations on NVIDIA Hopper: A Guide to Efficient Memory Management

A practical guide to managing memory and optimizing sparse tensor operations on NVIDIA Hopper GPUs for AI and HPC workloads.

September 12, 2026 · 8 min · 1540 words · martinuke0
Redis Cluster architecture diagram showing memory distribution across shards

Optimizing Redis Cluster Eviction: Predictable Latency Under Memory Pressure

Redis Cluster eviction under memory pressure is a common source of unpredictable latency spikes. This post breaks down the eviction mechanics, identifies the failure modes, and provides concrete strategies to keep p99 latency stable.

September 10, 2026 · 8 min · 1643 words · martinuke0
Stylized diagram of GPU memory blocks being cached and reused across allocations.

Optimizing GPU Memory Pools: Inside PyTorch's CUDA Caching Allocator

PyTorch’s CUDA caching allocator hides the cost of repeated allocations by recycling VRAM in fixed-size blocks. Here’s how it works, why it matters at scale, and how to squeeze more performance out of it.

September 7, 2026 · 9 min · 1766 words · martinuke0
Diagram of JVM and .NET generational heap layers.

Deep Dive into Generational Garbage Collection: Memory Management in Modern JVM and .NET Runtimes

A technical walkthrough of generational GC in Java and .NET, covering heap layout, pause characteristics, and practical tuning strategies for production systems.

May 31, 2026 · 7 min · 1285 words · martinuke0
Diagram of copy‑on‑write page sharing in Linux.

Deep Dive into Copy-on-Write Semantics: Memory Management and Performance in Modern Linux Kernels

A technical walkthrough of COW in modern Linux kernels, covering the VM architecture, fault handling, performance trade‑offs, and production‑ready patterns.

May 30, 2026 · 8 min · 1532 words · martinuke0
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