DMD producing huge binaries

[Observer via Digitalmars-d]

On Saturday, 21 May 2016 at 01:29:18 UTC, Observer wrote:
> My recollection is that successively compiled binaries are 
> rarely directly comparable, because of timestamps embedded by 
> compilers.
> So I have to ask:  are there standard tools to understand enough
> of the ELF binary format (or whatever, for the given platform) 
> to compare everything except the timestamps?

I just looked at an ELF format document, and didn't see any
reference to timestamps.  Maybe I'm confusing that with 
compression
formats like gzip produces.