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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[BUG] sort_by_key with fp16 values result is incorrect","articleBody":"The OpenCL backend test for Min1D0 to Min4D0 and Max1D0 to Max4D0 in sort_by_key.cpp fails for half (fp16) data type due to incorrect results from a call sort0ByKey operation done in opencl/sort_index.cpp . The library used for this operation is boost compute which does not officially support fp16 operations [(see issue)](https://github.com/boostorg/compute/issues/756)\n\nDescription\n===========\n* Built Arrayfire commit eaa49caced87c6eb21d612b1d546ab3061d30a73\n* Which backend is experiencing this issue? OpenCL\n* Do you have a workaround? Forcing internatlly cast to float before executing this operation\n* Can the bug be reproduced reliably on your system? Yes\n\nReproducible Code and/or Steps\n------------------------------\nRun test_topk_opencl. Reproducible with CPU, Nvidia, and Intel GPUs","author":{"url":"https://github.com/edwinsolisf","@type":"Person","name":"edwinsolisf"},"datePublished":"2025-06-30T02:57:02.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/3675/arrayfire/issues/3675"}