On Thu, 22 Dec 2011 12:11:32 +0100 Francesco Riosa <viv...@gmail.com> wrote:
> > I tried messing around with this with Amazon EC2. The problem was > > that due to latency I only really saw the benefit for VERY high > > levels of parallelization (think -j25+).. However, make isn't > > actually "distcc-aware" so it just runs 25 jobs of anything in > > parallel. So, anytime a makefile launched a ton of java or python > > jobs the host ground to a halt as it wasn't distributed and it was > > way more than the host could handle (especially java - which > > swapped like there was no tomorrow). > > Just wanted to point out that (if there is enough memory) recent > kernels manage much better parallelism, even excess of it, once > reached the maximum load augmenting threads only bring minimal loss of > "real" time. Does that include handling complete lack of memory and heavy swapping? -- Best regards, Michał Górny
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