From 321aef5cccfbaf6652616959c59e80732262ea2e Mon Sep 17 00:00:00 2001
From: Yaman Umuroglu <maltanar@gmail.com>
Date: Wed, 8 Apr 2020 22:50:59 +0100
Subject: [PATCH] [Transform] add AnnotateResources to add res info into graph
---
.../fpgadataflow/annotate_resources.py | 66 +++++++++++++++++++
1 file changed, 66 insertions(+)
create mode 100644 src/finn/transformation/fpgadataflow/annotate_resources.py
diff --git a/src/finn/transformation/fpgadataflow/annotate_resources.py b/src/finn/transformation/fpgadataflow/annotate_resources.py
new file mode 100644
index 000000000..63f4af177
--- /dev/null
+++ b/src/finn/transformation/fpgadataflow/annotate_resources.py
@@ -0,0 +1,66 @@
+# Copyright (c) 2020, Xilinx
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# * Redistributions of source code must retain the above copyright notice, this
+# list of conditions and the following disclaimer.
+#
+# * Redistributions in binary form must reproduce the above copyright notice,
+# this list of conditions and the following disclaimer in the documentation
+# and/or other materials provided with the distribution.
+#
+# * Neither the name of FINN nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import finn.custom_op.registry as registry
+from finn.transformation import Transformation
+from finn.transformation.move_reshape import _is_fpgadataflow_node
+from finn.analysis.fpgadataflow.res_estimation import res_estimation
+from finn.analysis.fpgadataflow.hls_synth_res_estimation import hls_synth_res_estimation
+
+
+class AnnotateResources(Transformation):
+ """Annotate the amount of FPGA resources taken by each fpgadataflow
+ node as an attribute on the node, depending on the mode parameter:
+ * 'estimate' -- use the analytical estimation model
+ * 'hls' -- use results from the HLS synthesis report
+
+ No annotations can be provided unless the relevant transformation for the
+ chosen mode (e.g. HLSSynth_IPGen for hls) was previously run.
+ """
+
+ def __init__(self, mode):
+ super().__init__()
+ self.mode = mode
+
+ def apply(self, model):
+ graph = model.graph
+ graph_modified = False
+ if self.mode == "estimate":
+ res_fxn = res_estimation
+ elif self.mode == "hls":
+ res_fxn = hls_synth_res_estimation
+ else:
+ raise Exception("Unrecognized mode for AnnotateResources")
+ res_dict = model.analysis(res_fxn)
+ for node in graph.node:
+ if _is_fpgadataflow_node(node) and node.name in res_dict.keys():
+ op_inst = registry.getCustomOp(node)
+ op_inst.set_nodeattr("res_" + self.mode, str(res_dict[node.name]))
+ graph_modified = True
+
+ return (model, graph_modified)
--
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