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

Max Leske maxleske at gmail.com
Tue Nov 9 14:40:28 CET 2010


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
> ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.
> 
> 
> 
> 
> 
> 





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