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Monday, 21 October 2013

A Lock Free Multi Producer Single Consumer Queue - Round 1

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{This post is part of a long running series on lock free queues,  checkout the full index to get more context here } Writing a lock free MP...
9 comments:
Monday, 7 October 2013

SPSC revisited part III - FastFlow + Sparse Data

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{This post is part of a long running series on lock free queues,  checkout the full index to get more context here } After I published the...
24 comments:
Sunday, 15 September 2013

Diving Deeper into Cache Coherency

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I recently gave a talk about Mechnical Sympathy at Facebook, which was mostly a look at the topic through the SPSC queue optimization series...
8 comments:
Tuesday, 6 August 2013

JMM Cookbook Footnote: NOOP Memory Barriers on x86 are NOT FREE

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In Doug Lea's excellent JMM Cookbook the following observation is made about memory barriers on different architectures: Pro...
7 comments:
Monday, 29 July 2013

Atomicity of Unaligned Memory Access in Java

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This is an attempt to clarify and improve on previous statements I've made here  (and before that here ) on unaligned memory access and...
3 comments:
Wednesday, 24 July 2013

Java Concurrency Torture Update: Don't Stress

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A piece of late news: the concurrency suite is back. And so is my little test on top of it. A few months ago I posted on yet another piece...
5 comments:
Tuesday, 23 July 2013

SPSC Revisited - part II: Floating vs Inlined Counters

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{This post is part of a long running series on lock free queues,  checkout the full index to get more context here } Continued from here ,...
16 comments: