Hangs on Intel

[dca00]

Hi,

Is it normal and expected that the EXE hangs on Intel i3 Sandy Bridge? It shows nothing after the banner and pins the CPU at 100%.
It also crashes on i7 Sandy Bridge.

[ProjectPhysX]

Hi @dca00,

that should not happen. Is that with the Intel CPU Runtime for OpenCL, or with PoCL?
Can you please share the full console output up to the point where it hangs, for both CPUs?

Kind regards,
Moritz

[dca00]

It sits like this for some time, then I kill it with Ctrl-C. Maybe I do not wait long enough. How long is it supposed to take?

[ProjectPhysX]

What seems to happen here is that the OpenCL Runtime compiler gets stuck.

Did you install the Intel CPU Runtime for OpenCL yourself on the system? This looks like an ancient version. Try with latest version.

[dca00]

Updated the runtime. Now, this is the output:

Other than the output and that the CPU is pinned to 37%, the behavior hasn't changed.

[ProjectPhysX]

Ok you have the CPU showing up 3 times now, lets get to the bottom of it. By default Device ID 1 is selected. Try manually selecting Device ID 2. For this, change this line in src/main.cppto:

	Device device(select_device_with_id(2));

and compile+run it and post the output here. Try also with ID 0.

[dca00]

First, this message shows:

And then:

And then I can kill it with Ctrl-C

[ProjectPhysX]

This is the full expected output. The OpenCL kernel runs correctly.

To fix this weird error, try uninstalling the old version of the OpenCL CPU Runtime you have installed (twice?) to get rid of broken device ID listings 0 and 1.

[dca00]

It wasn't installed twice: the machine was reimaged clean and new runtime installed.