58 lines
2.0 KiB
Python
58 lines
2.0 KiB
Python
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def calculate(flowgraph):
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""" Determines the complexity of a flowgraph """
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try:
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dbal = 0.0
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for block in flowgraph.blocks:
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if block.key == "options":
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continue
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# Determine the base value for this block
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sinks = sum(1.0 for port in block.sinks if not port.optional)
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sources = sum(1.0 for port in block.sources if not port.optional)
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base = max(min(sinks, sources), 1)
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# Determine the port multiplier
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block_connections = 0.0
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for port in block.sources:
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block_connections += sum(1.0 for c in port.connections())
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source_multi = max(block_connections / max(sources, 1.0), 1.0)
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# Port ratio multiplier
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multi = 1.0
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if min(sinks, sources) > 0:
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multi = float(sinks / sources)
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multi = float(1 / multi) if multi > 1 else multi
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dbal += base * multi * source_multi
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blocks = float(len(flowgraph.blocks) - 1)
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connections = float(len(flowgraph.connections))
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variables = float(len(flowgraph.get_variables()))
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enabled = float(len(flowgraph.get_enabled_blocks()))
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enabled_connections = float(len(flowgraph.get_enabled_connections()))
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disabled_connections = connections - enabled_connections
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# Disabled multiplier
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if enabled > 0:
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disabled_multi = 1 / \
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(max(1 - ((blocks - enabled) / max(blocks, 1)), 0.05))
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else:
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disabled_multi = 1
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# Connection multiplier (How many connections )
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if (connections - disabled_connections) > 0:
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conn_multi = 1 / \
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(max(1 - (disabled_connections / max(connections, 1)), 0.05))
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else:
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conn_multi = 1
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final = round(max((dbal - 1) * disabled_multi *
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conn_multi * connections, 0.0) / 1000000, 6)
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return final
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except Exception:
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return "<Error>"
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