[racket-dev] Memory consumption of Racket

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 <tewk at 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.deagod at 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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