opencl memory object-阿里云

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OpenCL memory object 之选择传输path

对应用程序来说，选择合适的memory object传输path可以有效提高程序性能。下面先看一写buffer bandwidth的例子： 1. clEnqueueWriteBuffer()以及clEnqueueReadBuffer() &nb...

OpenCL memory object 之传输优化

首先我们了解一些优化时候的术语及其定义： 1、deferred allocation（延迟分配），在第一次使用memory object传输数据时，runtime才对memory object真正分配空间。这样减少了资源浪费，但第一...

OpenCL memory object 之 Global memory (2)

当我们用clCreateBuffer, clCreateImage创建OpenCL memory object时候，我们需要输入一个flag参数，这个参数决定memory object的位置。 cl_mem clCreateBuffer (cl_context ...

OpenCL memory object 之 Global memory (1)

这篇日志是学习AMD OpenCL文档时候的总结。 OpenCL用memory object在host和device之间传输数据，memory object由runtime（运行库，driver的一部分）来管理。 ...

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更新时间 2024-02-06 09:49:27

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