Allocation break-down by type

Simon Marlow marlowsd at
Wed Sep 15 06:28:25 EDT 2010

On 15/09/2010 03:49, Bruno Martínez Aguerre wrote:

> To understand better whether ghc is taking advantage of my UNPACK
> pragmas, I want to profile my program and sort the allocations by type.
> I couldn't find an option to do this. -p is only by cost-center, and -hy
> only works for live data, and I want all allocations. Am I missing some
> option? Any tips to better debug UNPACK, apart from inspecting core?

That's a kind of profiling we don't have, I'm afraid.  The allocation 
counter only has a single dimension.

Inspecting core is the only way right now to determine whether UNPACK is 
doing what you hope it is.


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