Re: A performance issue with Memoize

David Rowley  writes:
> On Sat, 27 Jan 2024 at 09:41, Tom Lane  wrote:
>> drongo and fairywren are consistently failing the test case added
>> by this commit.  I'm not quite sure why the behavior of Memoize
>> would be platform-specific when we're dealing with integers,
>> but ...

> Maybe snprintf(buf, "%.*f", 0, 5.0 / 2.0); results in "3" on those
> rather than "2"?
> Looking at the code in fmtfloat(), we fallback on the built-in snprintf.

Maybe ... I don't have a better theory.

> I can try changing the unique1 < 5 to unique1 < 4 to see that's more stable.

Worth a try.

			regards, tom lane