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It looks like this bug regressed in 3.6.1, then regressed further in 3.7.7.
In Second Life 3.6.0 (277516) Jun 18 2013, there is a periodic slow frame, 200 - 1000 ms.
3.6.1, ~4700 ms
3.7.1 (286557), ~5000 ms
3.7.3 ~5000 ms
3.7.5 ~5000 ms
3.7.6 ~5000 ms
3.7.7 ~10000 ms
3.7.13 ~10000 ms
Objects outside the view frustum cause render stalls in Update LOD
Type
Bug
Priority
Unset
Status
Accepted
Resolution
Accepted
Reporter
Dan Linden (dan.linden)
Created at
2014-08-11T22:00:04Z
Updated at
2014-08-19T23:03:07Z
{
'Business Unit': ['Platform'],
"Is there anything you'd like to add?": 'Workaround: Fly forward to http://maps.secondlife.com/secondlife/Island%20for%20Unit%20Tests/174/203/40 At this location the objects are no longer within the 128m draw distance of your agent and the viewer framerate will return to its normal rate.',
'Regression?': ['Issue is a Regression'],
'System': 'SL Viewer',
'Target Viewer Version': 'viewer-development',
'What just happened?': '1) Your framerate stalls for nearly 10 seconds. \r\n2) After the rendering resumes, the average framerate is lower when you are facing away from the objects than when you are facing them.',
'What were you doing when it happened?': '* Log in at http://maps.secondlife.com/secondlife/Island%20for%20Unit%20Tests/89/207/27\r\n* Set draw distance to 128m\r\n* Face West so you see the stack of objects appear. (these objects.jpg) This is 20 objects, each a linked set of 250 ring prims.\r\n* Face East and watch your framerate. (facing away.jpg)\r\n',
'What were you expecting to happen instead?': 'Objects that are not visible should not take much render time. Objects should take less render time when not in view than when they are in view.',
'Where': 'http://maps.secondlife.com/secondlife/Island%20for%20Unit%20Tests/89/207/27',
}
The text was updated successfully, but these errors were encountered:
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Steps to Reproduce
Log in at http://maps.secondlife.com/secondlife/Island%20for%20Unit%20Tests/89/207/27
Set draw distance to 128m
Face West so you see the stack of objects appear. (these objects.jpg) This is 20 objects, each a linked set of 250 ring prims.
Face East and watch your framerate. (facing away.jpg)
Actual Behavior
Expected Behavior
Objects that are not visible should not take much render time. Objects should take less render time when not in view than when they are in view.
Other information
Workaround: Fly forward to http://maps.secondlife.com/secondlife/Island%20for%20Unit%20Tests/174/203/40 At this location the objects are no longer within the 128m draw distance of your agent and the viewer framerate will return to its normal rate.
It looks like this bug regressed in 3.6.1, then regressed further in 3.7.7.
In Second Life 3.6.0 (277516) Jun 18 2013, there is a periodic slow frame, 200 - 1000 ms.
3.6.1, ~4700 ms
3.7.1 (286557), ~5000 ms
3.7.3 ~5000 ms
3.7.5 ~5000 ms
3.7.6 ~5000 ms
3.7.7 ~10000 ms
3.7.13 ~10000 ms
Attachments
Original Jira Fields
The text was updated successfully, but these errors were encountered: