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add latency of last instruction in CP

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This commit is contained in:
JanLJL
2021-11-04 11:58:40 +01:00
parent 72e85075c2
commit ba45038ad7
1 changed files with 4 additions and 0 deletions
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4
osaca/semantics/kernel_dg.py
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@@ -215,6 +215,7 @@ class KernelDG(nx.DiGraph):
max_latency_instr = max(self.kernel, key=lambda k: k["latency"])
if nx.algorithms.dag.is_directed_acyclic_graph(self.dg):
longest_path = nx.algorithms.dag.dag_longest_path(self.dg, weight="latency")
# TODO verify that we can remove the next two lince due to earlier initialization
for line_number in longest_path:
self._get_node_by_lineno(int(line_number))["latency_cp"] = 0
# set cp latency to instruction
@@ -223,6 +224,9 @@ class KernelDG(nx.DiGraph):
node = self._get_node_by_lineno(int(s))
node["latency_cp"] = self.dg.edges[(s, d)]["latency"]
path_latency += node["latency_cp"]
# add latency for last instruction
node = self._get_node_by_lineno(longest_path[-1])
node["latency_cp"] = node["latency"]
if max_latency_instr["latency"] > path_latency:
max_latency_instr["latency_cp"] = float(max_latency_instr["latency"])
return [max_latency_instr]