areusch commented on code in PR #12512:
URL: https://github.com/apache/tvm/pull/12512#discussion_r953060785
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python/tvm/topi/arm_cpu/mprofile/dsp/conv2d.py:
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@@ -120,7 +121,12 @@ def conv2d_nhwc_dsp_compute(cfg, data, kernel, strides,
padding, dilation, out_d
policy="factors",
num_outputs=2,
# TODO: check case with in_channels.value % 4 != 0 with AutoTVM
- filter=None if cfg.is_fallback else lambda x: x.size[-1] % 4 == 0,
+ # temp fix: if non of the splits are divisible by 4, don't filter them
+ # to prevent an empty search space, and allow autotuning to select the
best one
+ filter=None
+ if cfg.is_fallback
+ else lambda x: x.size[-1] % 4 == 0
Review Comment:
can you outline the lambda function into its own function here, if we wind
up with this solution? generally speaking lambdas should be just 1-liners
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