On 9/27/2021 5:51 PM, Eric Snow wrote:
Possible solutions:
1. always default to "on" (the annoyance for contributors isn't big enough?)
2. default to "on" if it's a PGO build (and "off" otherwise)
Just to air my concerns regarding option 2 (which I've already spoken to
Eric about): I feel this option is completely orthogonal to whether PGO
is used or not, and ought to be discoverable independently.
Essentially, it should be its own configure-time option, and should be
included somewhere in sysconfig.get_config_var(...).
If we went with #2, there's no reliable way to detect whether
profile-guided optimisations were used on all CPython builds, which
means there'd be no reliable way to detect whether frozen modules are
going to be enabled by default or not. Adding a separate option handles
this case.
(My overall preference is for #3, FWIW)
Cheers,
Steve
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