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Broken by design: systemd
Recently the topic of systemd has come up quite a bit in various communities in which I'm involved, including the musl IRC channel and on the Busybox mailing list .
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Avoiding systemd isn't hard
The former contents of this blog post have been removed.
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Low-level is easy
My previous entry has the amazingly interesting title "Blogging is hard". Gee, what a wuss, says the occasional passer-by. Gotta fix my image, fast. Think, think, think! OK, here's what I'm going to tell you: low-level programming is easy. Compared to higher-level programming, that is. I'm serious.
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The Performance Cost of Integer Overflow Checking
How much overhead should we expect from enabling integer overflow checks? Using a compiler flag or built-in intrinsics, we should be able to do the check with a conditional branch that branches based on the overflow flag that add and sub set. Code that looks like
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Why curl defaults to stdout
(Recap: I founded the curl project, I am still the lead developer and maintainer) When asking curl to get a URL it'll send the output to stdout by default. You can of course easily change this behavior with options or just using your shell's redirect feature, but without any option it'll spew it out to … Continue…
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Red Hat Unveils Red Hat Enterprise Linux 7
Red Hat, Inc. (NYSE:RHT), the world's leading provider of open source solutions, today announced the general availability of Red Hat Enterprise Linux 7, the latest major release of the company's flagship platform. Red Hat Enterprise Linux 7 not only lays the foundation for the open hybrid cloud and serves enterprise…
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An even slimmer pdf.js
TL;DR: Firefox’s built-in PDF viewer is on track to benefit from additional large reductions in memory consumption when Firefox 33 is released in mid-October.
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How misaligning data can increase performance 12x by reducing cache misses
Here's the graph of a toy benchmark 1 of page-aligned vs. mis-aligned accesses; it shows a ratio of performance between the two at different working set sizes. If this benchmark seems contrived, it actually comes from a real world example of the disastrous performance implications of using nice power of 2 alignment…
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Let's Write Some x86-64
…"‘Our speech interposes itself between apprehension and truth like a dusty pane or warped mirror. The tongue of Eden was like a flawless glass; a light of total understanding streamed through it. Thus Babel was a second Fall.’ And Isaac the Blind, an early Kabbalist, said that, to quote Gershom Scholem’s translation…
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Asm.js AOT compilation and startup performance
With the recent announcement of a commercial game shipping using Emscripten and asm.js , I thought it’d be a good time to explain how asm.js is executed in Firefox and some of the load-time optimizations we’ve made since the initial landing of OdinMonkey in March. (OdinMonkey is an optimization module inside Mozilla’s…
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Linux 3.15 Can Resume From Suspend Faster
Access technologies from partnerships with the community and leaders. Everything open source at Intel. We have a lot to share and a lot to learn.
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Asm.js performance improvements in the latest version of Firefox
The latest version of Firefox which launched last week includes a major update to the user interface as well as to features like Sync. Another area in which this release ...
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Tornado Without a GIL on PyPy STM
This post is by Konstantin Lopuhin, who tried PyPy STM during the Warsaw sprint. Python has a GIL, right? Not quite - PyPy STM is a python ...
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The 64-core Parallella is alive
Adapteva is now Zero ASIC - www.zeroasic.com
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