On our end we tried numerous thing like muting viewports entirely, and it
wasn't until we disabled the HQV option in the preferences that the
slow-down went away.
On Wed, Apr 23, 2014 at 2:07 AM, gareth bell <garethb...@outlook.com> wrote:
> I don't think it's a case of HQV being active in the viewport. It's simply
> having the option "enabled" within the preferences - i.e preferences >
> display > high quality viewport options > enabled - whether it's active in
> the viewport or not is irrelevant.
>
>
> ------------------------------
> From: john.voltaire.tens...@autodesk.com
> To: softimage@listproc.autodesk.com
> Subject: RE: HQV Causing Major Slowness with File Save and Reference Model
> Updates
> Date: Wed, 23 Apr 2014 07:16:26 +0000
>
> Hi,
>
>
>
> Is the viewport in HQV mode when the reference model is being updated? If
> this is the case then HQV could indeed be slow as it may need to recompile
> hardware shaders for the models. If the viewport is not set to HQV and it
> is still slow then it could be another problem.
>
>
>
> Assuming Windows, a big difference with using RDP is that you are limited
> to OGL 2.0 which is not supported by HQV.
>
>
>
> Thanks
>
>
>
> *From:* softimage-boun...@listproc.autodesk.com [mailto:
> softimage-boun...@listproc.autodesk.com] *On Behalf Of *John Richard
> Sanchez
> *Sent:* Wednesday, April 16, 2014 11:45 PM
> *To:* XSI List to post
> *Subject:* Re: HQV Causing Major Slowness with File Save and Reference
> Model Updates
>
>
>
> Awesome! Now I can watch more Houdini Tutorials!
>
>
>
> On Wed, Apr 16, 2014 at 5:02 AM, Matt Morris <matt...@gmail.com> wrote:
>
> Thanks Andy and researchers!
>
>
>
> On 16 April 2014 09:59, Dan Yargici <danyarg...@gmail.com> wrote:
>
> Thanks for the warning!
>
>
>
> DAN
>
>
>
> On Wed, Apr 16, 2014 at 9:49 AM, Nuno Conceicao <
> nunoalexconcei...@gmail.com> wrote:
>
> Uau! Thanks Andy :)
>
>
>
> On Wed, Apr 16, 2014 at 3:36 AM, Andy Jones <andy.jo...@gmail.com> wrote:
>
> *FOR IMMEDIATE RELEASE*
>
> *April 15, 2014*
>
> *SOFTIMAGE QUALITYBLEED VULNERABILITY*
>
> Discovered by Security Researchers Gibli, Barosin, Pancres, Friedman,
> Akita, Jones, Panisset, Barbieri and Piparo
>
> Psyop experienced a "Eureka" moment today, when an artist discovered that
> updating referenced models was nearly two orders of magnitude faster when
> done through RDP (remote desktop protocol) rather than on a local
> workstation.
>
> Simultaneously, a different artist in LA encountered issues with slowness
> saving files in Softimage, and a quick test confirmed that saving the scene
> via RDP was also two orders of magnitude faster. This led to a flurry of
> troubleshooting, and we have since narrowed the problem down to Softimage's
> "High Quality Viewport" "feature."
>
> The speed-ups after disabling HQV are nothing short of mind-blowing. For
> example, unloading a referenced model took 250 seconds before the fix, and
> only 3 seconds after the fix. Meanwhile, a scene that took 15 minutes to
> save saved in only 30 seconds after the fix was deployed.
>
>
> One artist's wife was quoted as saying, "Thanks to the Qualitybleed bug
> being fixed, my husband finally comes home from work on time! Now if I can
> just get him to stop spending all his free time watching Houdini
> tutorials..."
>
> Note that the "high quality viewport" preference that causes the problem
> is *enabled by default*, Psyop doesn't generally use HQV in our scenes, *so
> people are likely to be affected by this problem whether they are HQV users
> or not*.
>
>
>
> To fix the problem, affected softimage users can run the following Python
> command:
>
> Application.SetValue("preferences.Display.high_quality_viewport", False,
> "")
>
> There is still much research to be done to find out what kinds of
> scenes/models are more susceptible to the problem, but we thought we'd
> bring it up now in case it's costing others time. Given that the problem
> was tied in with RDP, it's likely that video drivers could be playing a
> role, but so far we weren't able to find any settings that would magically
> eliminate the problem without just disabling HQV entirely.
>
>
> Psyop is on a mix of NVidia Quadros and we ran tests with a few different
> drivers, including the recommended ones. We also saw the same problem
> across two different workstation images, in both Softimage 2013 and
> Softimage 2014, and on a remote worker's home workstation. So we have
> reason to suspect it's not a highly specific aspect of our configuration
> that was causing the problem. No testing has been done yet on Linux.
>
> We will be sure to keep this list updated as more information becomes
> available. Share your stories in the comments below if you have been
> affected by this ~100X slowdown in performance, or if you encounter a
> workstation that is somehow unaffected.
>
>
>
>
>
>
>
>
>
> --
> www.matinai.com
>
>
>
>
> --
>
> www.johnrichardsanchez.com
>
