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jurpasha
Beginner
27 Views

accuracy of cblas_sgemv function

Hi! I have found that cblas_sgemv function give slightly differing results in debug and release versions of mine program.
More over, several runs of release version give differing results to.
Is it possible to get accurate results?

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Todd_R_Intel
Employee
27 Views

Hi,

There are a couple of reasons that results can vary. All the results should be accurate within certain tolerances. There is an article on the knowledgebase that discusses reasons for the variations sometimes seen in results. It includes steps that can be taken to sometimes make results consistent.

If you do have problems in accuracy, please give us some specifics: A test case, your results, the data you use for input, etc.

Todd