mirror of https://github.com/YosysHQ/nextpnr.git
33 lines
799 B
Python
33 lines
799 B
Python
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import matplotlib.pyplot as plt
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import csv
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RED = '#ca684d'
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GREEN = '#7aa354'
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BLUE = '#5e84d0'
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EPSILON = 0.02
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heuristic = []
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actual = []
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color = []
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with open('heuristic.csv') as f:
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reader = csv.reader(f, delimiter=',')
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rows = [row for row in reader]
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for row in rows[1:]:
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heuristic_value = float(row[2])
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actual_value = float(row[3])
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heuristic.append(heuristic_value)
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actual.append(actual_value)
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if heuristic_value > actual_value+EPSILON:
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color.append(RED)
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elif heuristic_value < actual_value-EPSILON:
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color.append(BLUE)
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else:
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color.append(GREEN)
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plt.scatter(actual, heuristic, c=color)
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plt.xlabel("Actual Delay (ns)")
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plt.ylabel("Estimated Delay (ns)")
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plt.savefig("heuristic_vs_actual.png")
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