dcslin commented on issue #605: Dnnl perf issue URL: https://github.com/apache/singa/pull/605#issuecomment-588863868 Hi this is to fix the performance issue https://github.com/apache/singa/issues/591 The issue is very weird and spent a lot time of checking small difference between the example code and our code. the only observation for now is creating dnnl `primitive desc` and `memory desc` in the `convhandle` would dramatically slow the performance ( 2ms to 80ms per oepration). Thus moving all the `pd` and `md` into the scope of individual operation for now. And extra performance testings are added .
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