[Pharo-project] Howto measure memory footprints of functions/objects/libraries in Pharo?

Max Leske maxleske at gmail.com
Tue Nov 9 15:13:00 CET 2010


Sure, will do.

Max


On 09.11.2010, at 15:02, Alexandre Bergel wrote:

> Ok, but please, provide feedback.
> 
> Alexandre
> 
> 
> On 9 Nov 2010, at 10:40, Max Leske wrote:
> 
>> Sounds like what I just needed! I'll try it out.
>> 
>> Cheers,
>> Max
>> 
>> 
>> On 09.11.2010, at 12:42, Alexandre Bergel wrote:
>> 
>>> Hi Guido,
>>> 
>>> We wrote a profiler to keep track of memory consumption. 
>>> 
>>> http://bergel.eu/download/papers/Berg10g-MemoryProfiling.pdf
>>> 
>>> It will be presented at Smalltalks next week.
>>> 
>>> Cheers,
>>> Alexandre
>>> 
>>> On 8 Nov 2010, at 23:47, Guido Stepken wrote:
>>> 
>>>> E.g.: Three different solutions for a Euler problem:
>>>> 
>>>> (1 to: 999) inject: 0 into: [:sum :i | (i \\ 3 = 0) | (i \\ 5 = 0)
>>>> 		ifTrue: [sum + i]
>>>> 		ifFalse: [sum]]
>>>> 
>>>> 
>>>> (1 to: 999) detectSum: [:i | (i \\ 3 = 0) | (i \\ 5 = 0) ifTrue: [i] ifFalse: [0]]
>>>> 
>>>> (1 to: 999) detectSum: [:i | i * (#(0 0 1 0 1 1 0 0 1 1 0 1 0 0 1) atWrap: i)]
>>>> 
>>>> How do i measure the exact memory footprint of each solution?
>>>> 
>>>> Pharo claims having reduced memory footprint at many places. Can that be proofed, e.g. with one comparable demo app, once run in old squeak, once in Pharo 1.1/1.2?
>>>> 
>>>> And no, MessageTally spyOn: does not do right!
>>>> 
>>>> Tnx in advance, Guido Stepken
>>>> 
>>>> 
>>> 
>>> -- 
>>> _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:
>>> Alexandre Bergel  http://www.bergel.eu
>>> ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>> 
>> 
> 
> -- 
> _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:
> Alexandre Bergel  http://www.bergel.eu
> ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.
> 
> 
> 
> 
> 
> 





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