[fpc-pascal] Very vague gettickcount64 description?
Michael Van Canneyt
michael at freepascal.org
Fri Sep 6 20:02:23 CEST 2019
On Fri, 6 Sep 2019, Yuriy Sydorov wrote:
> On 06.09.2019 17:06, Tomas Hajny wrote:
>> The documentation is vague on purpose - due to the variety of platforms
> supported by FPC and the low-level nature of
>> GetTickCount, we do not want to guarantee specific units (GetTickCount is
> supposed to be supported directly by the
>> platform rather than having an additional RTL layer possibly unifying
> differences in platform behaviour on top of it).
> IMO the result of GetTickCount without defined measure units is useless.
Each his opinion.
For example, I think GetTickCount is utterly useless.
I have never used it, never will and I have nevertheless already done
plenty of time measurements.
Depending on the platform, gettickcount falls back on Now(). This does not have a
millisecond precision. This call can take a time of up to 90 ms.
So saying that gettickcount has millisecond precision would be simply
What I will do is explain in the documentation why the units are not
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