On Fri, Aug 31, 2012 at 2:57 PM, Sigurd <[email protected]> wrote:
> If you use ruby 1.9.2 or later you can try following approach:
> require 'objspace'
>
> ObjectSpace.memsize_of(array).tap do |size|
> array.each do |el|
> size += ObjectSpace.memsize_of(el)
> end
> end
That does not work since tap will return the result of memsize_of(array) only.
irb(main):003:0> 123.tap {|s| s + 999}
=> 123
irb(main):004:0> 123.tap {|s| s += 999}
=> 123
> That you'll give you size of memory taken. But that does not take into
> account the size of ruby RObject internal struct that is referencing every
> single ruby object. It's size depends on 32/64 bit platform and packing
> options. My guess that it's around 128 bytes.
It also does not take into account memory taken by all referenced
objects since you descend one level only. You would need a DFS of BFS
to properly account for all levels.
Kind regards
robert
--
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