Psychosomatic, Lobotomy, Saw

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Thursday, 23 June 2016

The Pros and Cons of AsyncGetCallTrace Profilers

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So, going on from my whingy post on safepoint bias , where does one go to get their profiling kicks? One option would be to use an OpenJDK i...
2 comments:
Monday, 21 March 2016

GC 'Nepotism' And Linked Queues

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I've just run into this issue this week, and it's very cute, so this here is a summary. Akka has their own MPSC linked queue impleme...
16 comments:
Wednesday, 24 February 2016

Why (Most) Sampling Java Profilers Are Fucking Terrible

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This post builds on the basis of a previous post on safepoints . If you've not read it you might feel lost and confused. If you have r...
18 comments:
Monday, 1 February 2016

Wait For It: Counted/Uncounted loops, Safepoints and OSR Compilation

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In this previous post about Safepoints I claimed that this here piece of code: Will get your JVM to hang and will not exit after 5 second...
10 comments:
Monday, 14 December 2015

Safepoints: Meaning, Side Effects and Overheads

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I've been giving a couple of talks in the last year about profiling and about the JVM runtime/execution and in both I found myself comin...
14 comments:
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