[squeak-dev] Re: A pretty big Squeak 4.3 image (nearly 8 GB)

Lawson English lenglish5 at cox.net
Sun Jan 15 00:37:08 UTC 2012

The bartender says: we don't allow your kind in here.

Three FTL neutrinos walk into a bar and...

On 1/14/12 9:34 AM, David T. Lewis wrote:
> I think the garbage collector may be using some of those high speed
> neutrinos they located over at CERN ;)
> On Sat, Jan 14, 2012 at 05:23:25PM +0100, Andreas Raab wrote:
>> The coolest thing in your screenshot is this:
>> GCs
>>    full  103 totaling 103,207,042ms (6470.0% uptime)
>> :-)
>> Cheers,
>>    - Andreas
>> On 1/14/2012 17:09, David T. Lewis wrote:
>>> Here is a screen shot of the Squeak 4.3 release image traced to 64-bit
>>> object format, showing the image size after allocating a lot of object
>>> memory. This is running on a box with 8GB of real memory, so the image
>>> is about as large as can get on my computer.
>>>   <http://squeakvm.org/~lewis/squeak4.3-64bit/squeak64-big.png>
>>> The image is fully functional and can be saved to disk and reloaded.
>>> Monticello and other tools all work, and the image can be updated from
>>> the trunk update stream as normal. Saving the image to disk and restarting
>>> it are slow due the file size and amount of memory used, but the image
>>> itself works fine. Garbage collection works, and overall the performance
>>> remains good up to the point that the operating system is forced to start
>>> page swapping (because the image is larger than available real memory
>>> on this box).
>>> Dave

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