On Wed, 2015-05-06 at 02:07 +0000, deadalnix via Digitalmars-d wrote: > […] > Let me tell you an actual war story of mine.
I think you need to date the story, and say with GC was being used. > We have this program that is computationally intensive written in > java. Somewhere in the core of the program, we have a LRU cache, > with some entries sticking in there, and most entry getting > evicted soon enough (typical pareto kind of thing). > > Problem is, all these entries needs to be value types (we are in > java) and, by the time things gets evicted from the LRU cache, > they have moved to the old generation. > > The whole damn thing generate a ton of garbage. I suspect this was not using G1 as tons of garbage isn't as much of a problem compared to CMS, etc. > The obvious solution is to use value types in the cache, but that > not possible. I won't go in the details, but that was a really > hard problem to solve, that kept us busy for for longer then it > should have because of language limitations. > > Long story short: value types are useful. This is true anyway no matter which language or GC is being used. -- Russel. ============================================================================= Dr Russel Winder t: +44 20 7585 2200 voip: sip:russel.win...@ekiga.net 41 Buckmaster Road m: +44 7770 465 077 xmpp: rus...@winder.org.uk London SW11 1EN, UK w: www.russel.org.uk skype: russel_winder
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