[Laszlo-dev] For Review: Change change.qauDneSy9.txt Summary: Make Profiler work in DHTML
P T Withington
ptw at pobox.com
Tue Jun 27 17:08:37 EDT 2006
On 2006-06-27, at 16:56 EDT, John Sundman wrote:
> So do I correctly understand that the profiler is moving from
> provisional/incubator status to full-fledged particpation as part of
> the platform?
It's been official for some time. But broken for Windows/SWF. And
you needed a Wizard to operate it. Less so now, but you probably
still need a Wizard to make any sense of what it tells you... :)
It is still the case that for Windows (and for DHTML, at least under
Mozilla) the clock resolution is poor, so the measurements are
sloppy. On Mac SWF, (new Date).getTime() returns a cock accurate to
10us (i.e., it gives you ms as a float with 2 digits of precision).
Everybody else only returns ms. Sad given that in JS all numbers are
floats and surely the underlying hardware clock is more accurate than
ms...
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