id summary reporter owner description type status priority milestone component version resolution keywords cc 38 Make unsafeWriteMVec for boxed arrays strict Ben Lippmeier " See the following SO question: http://stackoverflow.com/questions/16097418/parallel-repa-code-doesnt-create-sparks/ We can force an (Array V) to be evaluated by mapping a deepseq function across every element, but this is non-intuitive. It would be better to just make the write function strict and ensure all elements in such an array are properly evaluated. " enhancement new normal repa 3.2.2