Yes, but unless you are saying that having more cores, more VRAM, faster VRAM and a much faster clock speed are actually going to slow down the performance of JavaFX then I don't know what point you are trying to make.
> On 31 Oct 2015, at 01:03, Bogdan Ibanescu <bibane...@montran.com> wrote: > > Having 200 cores won't help you with anything unless you explicitly customize > your code to make use of them. > > ----- Original Message ----- > From: "Felix Bembrick" <felix.bembr...@gmail.com> > To: "Chris Nahr" <chris.n...@gmail.com> > Cc: openjfx-dev@openjdk.java.net > Sent: Friday, October 30, 2015 11:55:19 AM > Subject: Re: Windows Hi-DPI > > The NVIDIA Control Panel allowed me to disable SLI completely and I even > rebooted. I also upgraded to Java 8u72. > > Sadly JavaFX still performs like a one-legged dog dragging a cannon ball on a > chain. > > All other 3D apps, games etc. perform blindingly fast as I would expect. > > So, if it's not an SLI or driver problem, what is going on here (or not going > on)? > > Felix > >> On 30 Oct 2015, at 19:47, Felix Bembrick <felix.bembr...@gmail.com> wrote: >> >> That's curious. SLI is designed specifically with gamers in mind! >> >> I'll investigating running without SLI and report back. >> >> Felix >> >>> On 30 Oct 2015, at 19:44, Chris Nahr <chris.n...@gmail.com> wrote: >>> >>> If it's slower on an SLI machine than on an ordinary one then yes, I >>> suspect JavaFX just can't handle SLI properly. Among gamers I've often >>> heard that it's a notoriously problematic configuration. Can you switch >>> your card to non-SLI mode and retest performance? >>> >>> --Chris >>> >>>> On 2015-10-30 09:19, Felix Bembrick wrote: >>>> I am using Java 8u66 and performance is really poor. >>>> >>>> I suspected a driver issue but I have the latest driver for my Titan X >>>> card (4 in SLI mode) and running the 4K monitor tests in 3DMark says my >>>> machine is in the top 1% fastest computers ever to run the tests. >>>> >>>> It looks to me that JavaFX just can't deliver acceptable performance on 4K >>>> monitors, even with the most powerful graphics cards on the planet. Or >>>> maybe it doesn't support SLI? >>>> >>>> It could be Windows 10 related but I don't think so. And I am definitely >>>> getting hardware acceleration according to the output so I suspect JavaFX >>>> has trouble moving so many pixels around on these hi-res monitors. >>>> >>>> All other 3D apps and games run blindingly fast but JavaFX actually runs >>>> slower on this beast than on my wife's little i5 powered Dell machine with >>>> a low range graphics card, also running Windows 10. >>>> >>>> Any ideas? >>>> >>>> Felix >>>> >>>>> On 30 Oct 2015, at 17:33, Chris Nahr<chris.n...@gmail.com> wrote: >>>>> >>>>> Hi-DPI is supported on Windows, assuming you have 8u60 or later (better >>>>> 8u66 or later so a ComboBox doesn't freeze the application!). On my Dell >>>>> XPS-15 with Windows 10 and 4K displays JavaFX also uses hardware >>>>> acceleration, in this case with the Intel 4600 integrated GPU. >>>>> >>>>> However, this causes frequent Intel display driver crashes and restarts >>>>> because the Windows 10 drivers are still so immature. Same happens in WPF >>>>> applications, so it's not specific to JavaFX. I've grabbed my driver >>>>> directly from the Intel website. Possibly your system runs an older >>>>> driver that causes JavaFX not to use HA. >>>>> >>>>> Given how unstable it currently is on Windows 10, that might not be a bad >>>>> idea. But of course you could try manually updating and see what happens >>>>> to JavaFX performance. >>>>> >>>>> Cheers, Chris >>>>> >>>>> >>>>>> On 2015-10-28 17:24:38, Felix Bembrick <felix.bembr...@gmail.com> wrote: >>>>>> I just installed JavaFX on my new Windows 10 machine which is extremely >>>>>> powerful but has two 4K monitors and while everything looks great and >>>>>> the right "size", the performance is very sluggish to say the least. >>>>>> >>>>>> Is this because Hi-DPI is not yet supported in JavaFX on Windows? >>>>>> >>>>>> Thanks, >>>>>> >>>>>> Fix >>>>> > > -- > Best Regards, > -- Bogdan Marius Ibanescu > -- Montran Corporation - Branch of Cluj-Napoca >
