Top "Multicore" questions

What's the opposite of "embarrassingly parallel"?

According to Wikipedia, an "embarrassingly parallel" problem is one for which little or no effort is required to separate the …

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Haskell lightweight threads overhead and use on multicores

I've been reading the "Real World Haskell" book, the chapter on concurrency and parallelism. My question is as follows: Since …

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What is a "spark" in Haskell

I'm confused about the notion of "spark" Is it a thread in Haskell? Or is the action of spawning a …

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Obtaining thread Core affinity in C++ 11 through pthreads

I'm trying to set core affinity (Thread #1 goes on first core, Thread #2 goes on second core, ...) while using std::thread …

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Multicore programming: what's necessary to do it?

I have a quadcore processor and I would really like to take advantage of all those cores when I'm running …

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How are you taking advantage of Multicore?

As someone in the world of HPC who came from the world of enterprise web development, I'm always curious to …

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Mac OS X shell utility that shows individual cpu usage in multi-core systems

I've been looking for a osx utility that shows cpu usage for each cpu. For example CPU 0 - 10% CPU 1 - 2% ... …

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Using Hardware Performance Counters in Linux

I want to use the Hardware Performance Counters that come with the Intel and AMD x86_64 multicore processors to calculate …

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Disabling all interrupts to protect CPU register state on multi processor systems

I need to ensure in a code portion (in kernel mode) that no one else can modify/check the CR0 …

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Parallelizing SQL queries in R

I have six SQL queries that I script though R that each take a very long time (~30 minutes each). Once …

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