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crackez | 2 years ago

We used to have a piece of Java software called Scout - it did a lot of small memory allocations... Led to runtime of multiple days for some datasets. I was reading the book Solaris Internals. The edition I had was updated for the ultrasparc 3's, and I was reading that section that talked about memory pages and the new support for huge pages, eg 4GB pages. We switched on 4GB pages and the week long runs of Scout went to only a few hours. That performance gain was real money and time.

That was an interesting trip down memory lane.

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