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Master Member
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比如寫同一個計算功能, OpenCL, CUDA, DirectCompute哪個比較好寫, 上手呢
程式碼會較簡潔易懂呢, 開發,除錯工具, 文件比較齊全好用呢, 還有執行效率等問題...
各方面多少都會影響有在使用的專業人員吧...
這也是影響各API之間的競爭力所在吧...
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從開發商對 API 提供的支援成度來說, 目前來說是 CUDA...
畢竟已經領先兩年.
如果 M$ 要強力推Directcompute, 也是會砸錢下去做Support.
說穿了, Directcompute 只是一個 API, 負責的也只是提供一個方便使用, 統一的指令集.最後還是要靠各家驅動與自身的硬體架構去轉譯與處理.
openCL, 雖然是開放, 支援度高, 但是開放式架構有一個致命傷-
如果遇到問題, Directcompute/CUDA 可能一通電話加幾封E-mail 就可以解決,
openCL 可能要自己翻書上論壇兩三天才能解決
如果時間很趕... 那, 我還是會選擇 Directcompute/CUDA.
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