From ef967759842d100a1fc8c1f3f9bb534fe9f985f8 Mon Sep 17 00:00:00 2001
From: mmrahorovic <mmrahorovic@hotmail.com>
Date: Fri, 8 Jul 2022 16:27:00 +0100
Subject: [PATCH] [custom_op]: add warning for incorrect FINN cycle estimation
---
src/finn/custom_op/fpgadataflow/streamingmaxpool_batch.py | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/src/finn/custom_op/fpgadataflow/streamingmaxpool_batch.py b/src/finn/custom_op/fpgadataflow/streamingmaxpool_batch.py
index d9ffea4d9..0131ca40b 100755
--- a/src/finn/custom_op/fpgadataflow/streamingmaxpool_batch.py
+++ b/src/finn/custom_op/fpgadataflow/streamingmaxpool_batch.py
@@ -145,6 +145,12 @@ class StreamingMaxPool_Batch(HLSCustomOp):
return int(exp_cycles)
else:
# TODO: adjust inaccurate formula
+ warnings.warn(
+ """Estimated latency for layer {} can be (2-3x) lower
+ than actual latency!""".format(
+ self.onnx_node.name
+ )
+ )
return int(ifm_dim[1] * (ifm_dim[1] + (ifm_dim[1] / k[1])))
def get_instream_width(self):
--
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