Before:
  ["FIXED_ARRAY_TYPE", 3238656],

After:
  ["FIXED_ARRAY_TYPE", 216438],

More than 10x less FIXED_ARRAY_TYPEs were GC'd in my test code.

On 2009/01/09 13:45:23, Kasper Lund wrote:
> LGTM, but I think you should extend the test case to make sure the
normalization
> code has been tested and that the filler objects can be GC'ed
correctly.
>
> http://codereview.chromium.org/17308/diff/213/17
> File src/objects.cc (right):
>
> http://codereview.chromium.org/17308/diff/213/17#newcode1919
> Line 1919: Object* filler_map = Heap::AllocateMap(FILLER_TYPE,
> instance_size_delta);
> It seems a bit nasty to have to allocate a new map for the filler
object. How
> about just using a fixed array if it fits (at least two words) or a
simple
> one-word filler otherwise?
>
> http://codereview.chromium.org/17308/diff/213/18
> File src/runtime.cc (right):
>
> http://codereview.chromium.org/17308/diff/213/18#newcode105
> Line 105: int number_of_properties = constant_properties->length()/2;
> Spaces around / operator?
>
> http://codereview.chromium.org/17308/diff/213/14
> File test/mjsunit/large-object-literal.js (right):
>
> http://codereview.chromium.org/17308/diff/213/14#newcode29
> Line 29: var nofProperties = 256;
> How about refactoring this test code so that nofProperties is a
parameter to a
> function and try it with different values like
1,2,5,35,150,255,256,280 and
> maybe extending it to force the object into normal case and also force
a GC to
> make sure everything works with the normalization before checking the
property
> values?



http://codereview.chromium.org/17308

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