Implement the GPU kernel of fc operator #19687
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test=develop
test=develop
test=develop
Xreki
changed the title
zhaoyuchen2018
approved these changes
Sep 10, 2019
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| const int kThreadsPerBlock = 1024; | ||
| int max_threads = context.GetMaxPhysicalThreadCount(); | ||
| int num_threads = std::min(kThreadsPerBlock, (((N + 31) >> 5) << 5)); |
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对于N比较小的case需要特殊处理下，因为block里面的线程比较少，看会不会有性能问题，后面可以看下
seiriosPlus
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Dec 9, 2019
* Refine the codes related to fc op. * Add GPU implementation for fc functor. * Apply fc_fuse_pass in GPU inference. test=develop * Change the cmake for fc op. * Change PADDLE_ENFORCE to PADDLE_ENFORCE_EQ. * Add an attribute to set the activation type in fc_op. * Enhance the unittest of fc_op. test=develop * Remove the declaration of FCOpGrad back to the header file. test=develop * Set default value for newly added arguments in test_fc_op. test=develop
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Implement the GPU kernel for fc_op.
Will refine the fc_fuse_pass to enable the fuse of
reluin the next PR.