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Fixed path measurement in delay

This commit is contained in:
Hunter Nichols 2020-11-19 22:53:38 -08:00
parent 7a0f5e15db
commit b201fa4bca
1 changed files with 4 additions and 1 deletions
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3
compiler/characterizer/delay.py
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@ -305,7 +305,10 @@ class delay(simulation):
cur_net, next_net = path[i], path[i+1] cur_net, next_net = path[i], path[i+1]
cur_dir, next_dir = path_dirs[i], path_dirs[i+1] cur_dir, next_dir = path_dirs[i], path_dirs[i+1]
meas_name = "delay_{}_to_{}".format(cur_net, next_net) meas_name = "delay_{}_to_{}".format(cur_net, next_net)
if i+1 != len(path)-1:
path_meas.append(delay_measure(meas_name, cur_net, next_net, cur_dir, next_dir, measure_scale=1e9, has_port=False)) path_meas.append(delay_measure(meas_name, cur_net, next_net, cur_dir, next_dir, measure_scale=1e9, has_port=False))
else: # Make the last measurement always measure on FALL because is a read 0
path_meas.append(delay_measure(meas_name, cur_net, next_net, cur_dir, "FALL", measure_scale=1e9, has_port=False))
# Some bitcell logic is hardcoded for only read zeroes, force that here as well. # Some bitcell logic is hardcoded for only read zeroes, force that here as well.
path_meas[-1].meta_str = sram_op.READ_ZERO path_meas[-1].meta_str = sram_op.READ_ZERO
path_meas[-1].meta_add_delay = True path_meas[-1].meta_add_delay = True