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Topics /
Systems & Performance
The most popular blog posts about systems & performance on Hacker News. 250 posts.
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A FreeBSD 10 Desktop How-To
A guide to a full-featured modern desktop FreeBSD installation
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Why Rust for Low-Level Linux Programming?
I think Rust is extremely well-suited for low level Linux systems userspace programming — daemons, services, command-line tools, that sort of thing. Low-level userspace code on Linux is almos…
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Say No to Paxos Overhead: Replacing Consensus with Network Ordering
Just say NO to Paxos overhead: replacing consensus with network ordering Li et al., OSDI 2016 Everyone knows that consensus systems such as Paxos, Viewstamped Replication, and Raft impose high over…
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Tutorial – Write a System Call
Stephen Brennan's personal website and blog.
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Power Wastage on an Idle Laptop
Ever since I upgraded to Windows 10 it’s felt like my battery life is worse. My suspicion was various scanning tasks that were springing to life more frequently, but it was just a hunch. So, …
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H265: Technical Overview
HEVC is among us. On January 25, 2013, the ITU announced the completion of the first stage approval of the H.265 video codec standard and in the last 1 year several vendors/entities have started to…
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GpuScan and SSD-To-GPU Direct DMA
An article for none-Japanese readers....What I'm recently working on is a feature to load data blocks from NVMe-SSD to GPU using peer-to-peer DMA. It allows to bypass the CPU/RAM under a series of data loading process, thus, also allows to reduce number of expensive data copy. Once data blocks are l…
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How Chrome ate 21GB of storage
I've been playing with the macOS Sierra Golden Master for a few days and ran into the new storage optimization app that is now included in macOS. It lead me to realise that Chrome was using 21GB of SSH space!
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Zopfli Optimization: Literally Free Bandwidth
In 2007 I wrote about using PNGout to produce amazingly small PNG images. I still refer to this topic frequently, as seven years later, the average PNG I encounter on the Internet is very unlikely to be optimized. For example, consider this recent Perry Bible Fellowship cartoon. Saved directly from
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Erlang Scheduler Details and Why They Matter
Hamidreza Soleimani's Blog - Just about what I know
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Think Before You Parallelize: A tour of parallel abstractions
In 2005 Intel release the Pentium D, which began the era of multi-core desktop CPUs. Today, even our phones have multiple cores. Making useof all of those c...
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Thread pools: How do I use them?
Thread pools! How do I use them?
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Lock-free programming for the masses
Efficient concurrent programming libraries are essential for taking advantage of fine-grained parallelism on multicore hardware. In this post, I will introduce reagents , a composable, lock-free concurrency library for expressing fine-grained parallel programs on Multicore OCaml . Reagents offer a high-level DSL for…
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Const and Optimization in C
Today there was a question on /r/C_Programming about the effect of C’s const on optimization. Variations of this question have been asked many times over the past two decades. Personally, I blame naming of const .
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A Magnetized Needle and a Steady Hand
Now they’ve gone an done it. An unidentified agency has spread a potent computer virus across all the world’s computers and deleted the binaries for every copy of every software development tool. Even the offline copies — it’s that potent.
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Windows 10 in-place upgrades are a severe security risk
This is a big issue and it has been there for a long time. Just a month ago I finally got verification that the Microsoft Product Groups n...
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Software Development at 1 Hz
People keep saying that a one line source code change should take one second to be “effective”. “Effective” meaning that you get some form…
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The End of the General Purpose Operating System
As interesting chat on Twitter today reminded me that not everyone is probably aware that we’re seeing a concerted attempt to dislodge the general purpose operating system from our servers.
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Emacs standing alone on a Linux Kernel (2004)
Nano How-To explaining how to setup a root file system with only emacs.
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