Sure. I'd very glad to share. Here' s my git repo which is a fork from the upstream of plt (probably out of sync for a couple of weeks). https://github.com/nevo/racket-hack
If you'd want me to prepare standalone patches, please let me know. I'd be much appreciated for your contribution. Thanks! Nevo On 26 April 2011 10:22, Kevin Tew <t...@cs.utah.edu> wrote: > If your willing, we would like to see your code changes/patches get > integrated back into the project. > This is the best way to get more developers interested and willing to work > on Racket for iOS. > > Are you willing to share your changes? > We are willing to take them in any form, clean them up, and get them > committed. > > Kevin > > > > On 04/25/2011 06:15 PM, Nevo wrote: > > hi Kevin: > I've successfully enabled places with a few in-code fix to be compiler > happy, mostly are implement atomic operations using OSAtomicXXX provided by > Apple and emit arm instruction instead of thumb. It just run without low > memory crashes (at least per my recent runs), although still getting a level > 1 memory warning which is common for most of complicated softwares in iOS I > think. But I would be rather appreciated if you have something else which I > can look into by myself to further reduce memory consumption. Thanks! > > Cheers > Nevo > > On 23 April 2011 21:24, Nevo <sakur.dea...@gmail.com> wrote: > >> hi Kevin: >> Thanks for your help here. I'm trying to enable "place" first then I >> think I can apply your patch. Is there still a way to reduce unused memory >> as in your patch, but without the need of "place"? >> >> Nevo >> >> >> On 23 April 2011 21:16, Kevin Tew <t...@cs.utah.edu> wrote: >> >>> Here is another patch you can try to reduce caching of unused memory. >>> >>> diff --git a/src/racket/gc2/alloc_cache.c b/src/racket/gc2/alloc_cache.c >>> index 44895af..d1f1c03 100644 >>> --- a/src/racket/gc2/alloc_cache.c >>> +++ b/src/racket/gc2/alloc_cache.c >>> @@ -10,7 +10,7 @@ >>> */ >>> >>> /* Controls how often freed pages are actually returned to OS: */ >>> -#define BLOCKFREE_UNMAP_AGE 3 >>> +#define BLOCKFREE_UNMAP_AGE 0 >>> >>> /* Controls size of the cache */ >>> #define BLOCKFREE_CACHE_SIZE 3000 >>> >>> >>> >>> On 04/23/2011 05:14 AM, Jens Axel Søgaard wrote: >>> >>>> 2011/4/22 Nevo<sakur.dea...@gmail.com>: >>>> >>>>> hi >>>>> My attempt on porting Racket interpreter to iOS has been for a while >>>>> and >>>>> I've been able to run interpreter on both iOS device as well iOS >>>>> simulator. >>>>> >>>> Great news. >>>> >>>> Right now, it runs perfectly on iOS simulator, but lack of satisfaction >>>>> on >>>>> device. The reason is for those devices like iPad/iPhone or Android, >>>>> the >>>>> memory for standalone application is always constrained, and even a >>>>> single >>>>> "hello world" evaluation would easily put the whole app runtime to >>>>> death, >>>>> per my test. >>>>> >>>> I am curious which iPhone and which iPad? >>>> >>>> For the non-iPad owners here are a few (unofficial) specs, so you >>>> have a rough idea of how much memory the iDevices have: >>>> >>>> Internal RAM for: >>>> iPad 2 512MB >>>> iPad 1 256MB >>>> >>>> iPhone 4 512MB >>>> iPhone 3GS 256MB >>>> iPhone 3G 128MB >>>> iPhone 128MB >>>> >>>> >>> >> > >
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