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Optimize memory use on GPUs #328

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pdziekan opened this issue Jun 18, 2018 · 0 comments

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pdziekan commented Jun 18, 2018 •

edited

Some thrust algorithms allocate temporary memory (probably not a complete list):

sort (_by_key too)
reduce (_by_key too)
merge
scan
accumulate
remove_if

We could make them use our own temporary buffers (tmp_device_real_ etc.).
Some direction how this could be done:
https://github.com/thrust/thrust/blob/master/examples/cuda/fallback_allocator.cu or
https://groups.google.com/forum/#!topic/thrust-users/nXQD6j7_xfs

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