Hi,
On 9/25/24 08:55, Guillem Jover wrote:
So if there was a switch, those would end up
being recorded as well, and used when reproducing the outputs. And this
could also happen with a newer version of zlib itself.
I have a POWER9 box, which includes a NX-GZIP coprocessor, which is
currently not used for anything, but it makes even -9 compression very
cheap (9 GB/s). If I were to use it (probably through the kernel
subsystem), I should probably record it somewhere.
Thinking about it, I'd expect POWER to generate different output than
x86 when building an arch:all package with the result of some floating
point computation, at least when -ffast-math is active (x86 being wrong).
Simon
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