jacobbohlin commented on code in PR #10509:
URL: https://github.com/apache/tvm/pull/10509#discussion_r857736239
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python/tvm/contrib/ethosu/cascader/device_config.py:
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@@ -491,6 +493,28 @@ def get_elementwise_block_config(
if activation == "LUT" and not self._lut_reserved:
banks_available -= 2
+ # Handle user-forced block config
+ options =
tvm.transform.PassContext.current().config.get("relay.ext.ethos-u.options",
None)
+ if options and options.dev_force_block_config:
+ block_config = [int(v) for v in
options.dev_force_block_config.split("x")]
+ assert len(block_config) == 3
+ if output_layout == "NHWC":
+ block_shape = [output_shape[0], block_config[0],
block_config[1], block_config[2]]
+ else:
+ block_shape = [
+ output_shape[0],
+ block_config[0],
+ 1 + ((block_config[2] - 1) // 16),
+ block_config[1],
+ 16,
+ ]
+ output_cycles = self._get_output_cycles(
+ op_type, op_str, ifm_dtype, ofm_dtype, activation
+ )
+ output_cycles *= reduce(lambda a, b: a * b, block_shape, 1)
Review Comment:
That's probably simpler, I will change it.
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