rich7420 opened a new issue, #667:
URL: https://github.com/apache/mahout/issues/667

   ### Summary
   Presently, we initialize the memory with all zeros and then write the 
computed results. We could use `unsafe_alloc` instead, which would save about 
half of the time because `unsafe_alloc` writes only once.
   
https://github.com/apache/mahout/blob/7f7891733b305c7d86cb571c5a07e5d2c8099bf1/qdp/qdp-core/src/gpu/memory.rs#L67-L69
   


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