[PATCH] src-release.sh: Use -T0 for xz compression

[Richard Earnshaw (lists)]

On 31/05/2024 10:47, Mark Wielaard wrote:
> Hi Simon,
> 
> On Fri, May 31, 2024 at 11:04:32AM +0900, Simon Richter wrote:
>> On 5/31/24 06:43, Mark Wielaard wrote:
>>
>>> On my machine (using 4 cores) this reduces the time to create
>>> binutils-2.42.50.tar.xz from 1 minute 40 seconds to 56 seconds.
>>
>> Is the output still deterministic from the input?
> 
> Yes, as long as one uses mult-threaded mode -T0, it doesn't matter how
> many cores are used. It does differ from the output of serial mode
> though, when no -T is used.
> 
> Cheers,
> 
> Mark

Perhaps more importantly, for reproducibility, does it produce different output if run on a machine with a different number of available CPUs?  That might matter if you're validating the checksums against a version generated by somebody else from supposedly the same sources.

R.