Threads without Locks
Russ Cox http://swtch.com/~rsc/talks/ Second International Plan 9 Workshop December 2007 Introduction Two popular camps for designing concurrent programs. Threads with locks Birrell, “An introduction to programming with threads†Top-level select loops with events Ousterhout, “Why threads are a bad idea (for most purposes)†Should we use threads or events? Andrew Birrell: threads. John Ousterhout:
Libtorrent experience - the poor state of async disk IO | Hacker News
My experience with Linux and buffered IO (ext4) from multiple threads has been very positive. The only beef I have is that you can't prevent the data you write/read from polluting the cache without resorting to madvise which isn't available from Java. I don't usually care about the contents of the page cache so it isn't a showstopper.You can do hundreds of thousands of random reads a second from a
asynchronous disk I/O | libtorrent blog
Since 2010, I’ve been working, on and off, on a branch off of libtorrent which use asynchronous disk I/O, instead of the synchronous disk calls in the disk thread in 0.16.x versions. The aio branch has several performance improvements apart from allowing multiple disk operations outstanding at any given time. For instance: 1. the disk cache allows multiple threads accessing it (cache hits are s
Tech Notes: Nonblocking disk IO
It's natural, when writing an event-driven application, to want to perform disk operations like file reads and writes in the same non-blocking manner you use for sockets. This turns out to be hard. In theory there's POSIX AIO, but it's reported to not really work on Linux (my info might be out of date). Async libraries like node.js use an internal thread pool to simulate its desired event-behavior
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Awesome and has more than a degree. We head out one. What it is overwhelming. It is dangerous stuff. Amazing what moves the people. And, in the sense of the excitement, the world can not be changed only amazing thing. I want to meet those amazing, really want to be. I think so anyone, I want to share with everyone and wow wow. It is amazing, amazing thing. Than it really is not that amazing. From
GitHub - pkrumins/node-lazy: lazy lists for node.js
Introduction Documentation # Introduction Lazy comes really handy when you need to treat a stream of events like a list. The best use case currently is returning a lazy list from an asynchronous function, and having data pumped into it via events. In asynchronous programming you can't just return a regular list because you don't yet have data for it. The usual solution so far has been to provide a
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Congratulations on IE10: from Mozilla with cake
Back when Firefox 2 was released (six years ago this week!), the Internet Explorer team started a friendly tradition of sending Mozilla a cake as congratulations. This continued for Firefox 3 and Firefox 4. After Firefox switched from major releases once or twice a year to incremental updates every six weeks, they sent us a cupcake for the next few updates instead. :) I thought it would be fun to
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The 100,000-student classroom
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625989 - Support tabs in title bar on Mac OS X
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