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Comment about "Incorrect performance model file" errors

Samuel Thibault 8 years ago
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      doc/doxygen/chapters/390_faq.doxy

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doc/doxygen/chapters/390_faq.doxy

@@ -344,4 +344,12 @@ If that program does not find your device, the problem is not at the StarPU
 level, but the OpenCL drivers, check the documentation of your OpenCL
 level, but the OpenCL drivers, check the documentation of your OpenCL
 implementation.
 implementation.
 
 
+\section IncorrectPerformanceModelFile I keep getting a "Incorrect performance model file" error
+
+The performance model file, used by StarPU to record the performance of
+codelets, seem to have been corrupted. Perhaps a previous run of StarPU stopped
+abruptly, and thus could not save it properly.  You can have a look at the file
+if you can fix it, but the simplest way is to just remove the file and run
+again, StarPU will just have to re-perform calibration for the corresponding codelet.
+
 */
 */