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Kernel debuuging to find an erroring work item

PCox
Beginner
‎04-13-2015 08:38 PM
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Hi.

  During visual studio code builder debugging, I have a clEnqueueNDRangeKernel failing for a certain kernel, with a bad memory access. To find out which work item (of 512) is causing the error, I have had to gradually (and awkwardly) limit the participating work items, until I find the item(s) that are requesting this bad access. I find myself in this position reasonably often: is there a more graceful way to do this?

 

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Robert_I_Intel
Employee
‎04-13-2015 09:21 PM
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You may try the Oclgrind: https://github.com/jrprice/Oclgrind/wiki

Another one is webcl-validator: http://github.com/KhronosGroup/webcl-validator

Haven't tried those myself, but would be curious to find out if you think they are useful.

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