Garbage collection book

Walter Bright newshound2 at digitalmars.com
Thu Oct 6 18:32:13 PDT 2011


On 10/6/2011 4:48 PM, Martin Nowak wrote:
> Which isn't wanted because of the binary size, right?

It is a substantial size problem. There's also a performance issue - the gc has 
to read those tables and iterate in a non-trivial way. For example, if a struct 
has an embedded static array of pointers in it, you'll need a way to embed a 
loop in the gc scanner.


> As this is also a requirement for precise scanning and runtime type information
> couldn't a heavily compressed format be found for it.
> Something not so weird as DWARF but using a mixture of source encoding
> and tables to lower redundancy.

Compression has its own problem - performance.


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