mirror of https://github.com/YosysHQ/nextpnr.git
70 lines
1.7 KiB
Python
70 lines
1.7 KiB
Python
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# ../nextpnr-ice40 --hx8k --tmfuzz > tmfuzz_hx8k.txt
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import numpy as np
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import matplotlib.pyplot as plt
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from collections import defaultdict
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device = "hx8k"
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sel_src_type = "LUTFF_OUT"
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sel_dst_type = "LUTFF_IN_LUT"
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src_dst_pairs = defaultdict(lambda: 0)
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delay_data = list()
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delay_map_sum = np.zeros((41, 41))
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delay_map_sum2 = np.zeros((41, 41))
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delay_map_count = np.zeros((41, 41))
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with open("tmfuzz_%s.txt" % device, "r") as f:
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for line in f:
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line = line.split()
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if line[0] == "dst":
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dst_xy = (int(line[1]), int(line[2]))
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dst_type = line[3]
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dst_wire = line[4]
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src_xy = (int(line[1]), int(line[2]))
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src_type = line[3]
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src_wire = line[4]
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delay = int(line[5])
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estdelay = int(line[6])
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src_dst_pairs[src_type, dst_type] += 1
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if src_type == sel_src_type and dst_type == sel_dst_type:
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delay_data.append((delay, estdelay))
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relx = 20 + dst_xy[0] - src_xy[0]
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rely = 20 + dst_xy[1] - src_xy[1]
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if (0 <= relx <= 40) and (0 <= rely <= 40):
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delay_map_sum[relx, rely] += delay
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delay_map_sum2[relx, rely] += delay*delay
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delay_map_count[relx, rely] += 1
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delay_data = np.array(delay_data)
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#%%
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print("Src-Dst-Type pair summary:")
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for cnt, src, dst in sorted([(v, k[0], k[1]) for k, v in src_dst_pairs.items()]):
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print("%20s %20s %5d%s" % (src, dst, cnt, " *" if src == sel_src_type and dst == sel_dst_type else ""))
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print()
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#%%
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plt.figure()
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plt.imshow(delay_map_sum / delay_map_count)
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plt.colorbar()
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plt.show()
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#%%
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plt.figure()
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plt.plot(delay_data[:,0], delay_data[:,1], ".")
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plt.show()
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