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Reverse-engineering NVIDIA's cuda-checkpoint: Achieving 4x faster CUDA process restoration

Freezing a live CUDA process to host memory and thawing it again, what the driver does — and doesn't — do to make that work, and how understanding that lets us restore CUDA processes up to 4x faster.

Insighttechnologyprogramminggpu architecture

blog.doubleword.ai·Hacker News: Front Page·1mo ago·17 min read

How a logging wrapper silently disabled Go's zero-copy sendfile optimization

Insighttechnologyprogramming

segflow.github.io1mo ago

Performance Analysis: io_uring vs libaio Across Linux Kernel Versions and IOMMU Considerations

Insighttechnologyprogramming

blog.ydb.tech5mo ago

Understanding Metastable Failures: Self-Sustaining System Performance Issues

Insighttechnologyprogramming

charap.co7mo ago

Exploring Language Models' Capabilities in Filesystem Design and Implementation

Every systems engineer at some point in their journey yearns to write a filesystem. This sounds daunting at first - and writing a battle-tested filesystem is hard - but the minimal surface area for a “working” FS is surprisingly small, simple

Insighttechnologyartificial intelligenceprogramminggrohan.co·Hacker News: Front Page·9mo ago·9 min read

Distributed Systems Challenge: Scheduling Stateful Nodes When MMAP Interferes with Memory Accounting

We’re hitting a classic distributed systems wall and I’m looking for war stories or "least worst" practices.

Insighttechnologyprogrammingdistributed systems

news.ycombinator.com·Hacker News: Front Page·9mo ago·2 min read

Building blobd: A High-Performance Single-Machine Object Store with Sub-Millisecond Reads

Deep dive into blobd, an object store designed for constant low latency reads using async Rust, io_uring and atomic writes

Insighttechnologyprogrammingsoftware development

blog.wilsonl.in·Hacker News: Front Page·9mo ago·19 min read

Building a Linux Filesystem Watcher: Comparing fanotify and eBPF Solutions

Insighttechnologyprogramming

amandeepsp.github.io11mo ago

AGI Requires Systems Engineering, Not Just Model Scaling

Insighttechnologyartificial intelligence

vincirufus.com1y ago

sercuarc.org1

Reverse-engineering NVIDIA's cuda-checkpoint: Achieving 4x faster CUDA process restoration

How a logging wrapper silently disabled Go's zero-copy sendfile optimization

Performance Analysis: io_uring vs libaio Across Linux Kernel Versions and IOMMU Considerations

Understanding Metastable Failures: Self-Sustaining System Performance Issues

Exploring Language Models' Capabilities in Filesystem Design and Implementation

Distributed Systems Challenge: Scheduling Stateful Nodes When MMAP Interferes with Memory Accounting

Building blobd: A High-Performance Single-Machine Object Store with Sub-Millisecond Reads

Building a Linux Filesystem Watcher: Comparing fanotify and eBPF Solutions

AGI Requires Systems Engineering, Not Just Model Scaling