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From Sebastian via TVM Discuss <nore...@discuss.tvm.ai>
Subject [TVM Discuss] [Development] OpenCL AutoTVM questions
Date Tue, 21 May 2019 11:02:09 GMT


I'm trying to enable AutoTVM for OpenCL (`intel_graphics` target). So far I managed to have
some success in that area, but values are multiple times worst than for generic scheduler.

To begin with I am focusing only on conv2d operation (since this is also only one currently
present in `intel_graphics` TOPI). I've used `conv2d_direct.py` file from CUDA to use it as
a dummy test file (this scheduler seemed to be the easiest) and get some idea what is required
to write my own one. There are few things I don't understand and I'd appreciate guidance on
how such scheduler should be written/what values should I provide. Two most pressing questions
for now are:

1. From where you have all of the splitting and other numerical values in `schedule_direct_cuda`?

1. How you decided about `tvm.thread_axis` threads?





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[Visit Topic](https://discuss.tvm.ai/t/opencl-autotvm-questions/2665/1) to respond.

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Tianqi Chen, UW, Seattle, WA, 98105, United States
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