[Swift-devel] Re: Memory in Swift

[Jonathan Monette]

  I am on PADS.

On 10/18/2010 01:21 PM, Justin M Wozniak wrote:
> On Mon, 18 Oct 2010, Jonathan Monette wrote:
>
>>    1) What is the maximum value for SWIFT_HEAP_MAX?  Is it the 
>> maximum memory available on the machine?  If I ask for 8Gb will the 
>> Java heap space be 8Gb?
>
> In bin/swift, that value is passed directly to the Java VM, so it's 
> implementation-specific.  What kind of machine are you on?
>
>>    2) Assuming that the above question does not fix my problem, what 
>> can be done to fix memory problems in Swift?  How should a Swift 
>> script be programmed to avoid these issues or is how Swift handles 
>> memory not optimal. I have a set of about 4100 images that will be 
>> stitched together to form a mosaic.  The size of this set is 8.1Gb.  
>> Right now in my sites file I set SWIFT_HEAP_MAX to 4096M(4Gb) but I 
>> am still getting out of memory errors with the Java heap space.  Is 
>> Swift just not able to scale up to this size of data yet?
>

-- 
Jon

Computers are incredibly fast, accurate, and stupid. Human beings are incredibly slow, inaccurate, and brilliant. Together they are powerful beyond imagination.
- Albert Einstein