Re: how to make a task less cpu intensive
Re: how to make a task less cpu intensive
- Subject: Re: how to make a task less cpu intensive
- From: Paul Scott <email@hidden>
- Date: Fri, 28 Dec 2012 11:02:35 -0800
For clarification: Allocate enough for your total allocations, or some good estimate, using malloc_create_zone(), then make your allocations with malloc_zone_malloc(), and finally, destroy the zone in one fell swoop with malloc_destroy_zone(). This should avoid the overhead of all those free()'s.
Paul
On Dec 28, 2012, at 10:56 AM, Paul Scott <email@hidden> wrote:
> Try using a memory zone, see malloc_zone_malloc (3) and http://jeny.us/vXc3 (short link to Apple developer page describing malloc_zone_malloc, etc).
>
> Paul
>
> On Dec 28, 2012, at 9:40 AM, Nick Rogers <email@hidden> wrote:
>
>> Hi,
>>
>> I have a tree in memory (all nodes malloc'ed blocks) and when I start freeing this large tree, I traverse the tree and free all nodes.
>> This becomes cpu intensive and so the progress bar on my sheet doesn't animate.
>>
>> In similar other situations the progress bar animates, when different code is executed in the background.
>>
>> Any ideas on how to make tree freeing process less intensive?
>>
>> Thanks,
>> Nick
>
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