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add overlap log in macro legalizer

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liulixinkerry 2024-06-28 20:02:35 +08:00
parent b2b2ba5561
commit 5b056336de
1 changed files with 9 additions and 5 deletions
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14
src/core/macro_legalization.py
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@ -25,6 +25,7 @@ def check_macro_legality(macro_pos, macro_size, macro_fixed, die_info, check_all
num_macros = macro_pos.shape[0] num_macros = macro_pos.shape[0]
# overlap = np.zeros((num_macros, num_macros), dtype=np.bool8) # overlap = np.zeros((num_macros, num_macros), dtype=np.bool8)
legal = True legal = True
overlaps = []
for i in nb.prange(num_macros): for i in nb.prange(num_macros):
lx_i = macro_pos[i][0] - macro_size[i][0] / 2 lx_i = macro_pos[i][0] - macro_size[i][0] / 2
ly_i = macro_pos[i][1] - macro_size[i][1] / 2 ly_i = macro_pos[i][1] - macro_size[i][1] / 2
@ -42,10 +43,11 @@ def check_macro_legality(macro_pos, macro_size, macro_fixed, die_info, check_all
# overlap[j][i] = True # overlap[j][i] = True
legal = False legal = False
if not check_all and not legal: if not check_all and not legal:
return legal return legal, overlaps
print("Macro", i, "and Macro", j, "Overlap.") overlaps.append((i, j))
# print("Macro", i, "and Macro", j, "Overlap.")
return legal return legal, overlaps
@ -866,7 +868,7 @@ def macro_legalization_multi(macro_info, args, logger):
# plot_macros(macro_pos, macro_size, macro_fixed, die_info, img_path="legalized_before.png") # plot_macros(macro_pos, macro_size, macro_fixed, die_info, img_path="legalized_before.png")
nb.set_num_threads(args.num_threads) nb.set_num_threads(args.num_threads)
if check_macro_legality(macro_pos, macro_size, macro_fixed, die_info, check_all=False): if check_macro_legality(macro_pos, macro_size, macro_fixed, die_info, check_all=False)[0]:
# Macros are legal, skip legalization # Macros are legal, skip legalization
return macro_pos, True return macro_pos, True
@ -880,8 +882,10 @@ def macro_legalization_multi(macro_info, args, logger):
solver.timeLimit = (i + 1) * 20 if timeLimit is None else timeLimit solver.timeLimit = (i + 1) * 20 if timeLimit is None else timeLimit
logger.info("Use cbc to solve LP. TimeLimit = %ds." % solver.timeLimit) logger.info("Use cbc to solve LP. TimeLimit = %ds." % solver.timeLimit)
macro_pos_tmp, solve_success, displacement = ml_func(*func_args, lpbackend=solver, **ml_func_kwargs) macro_pos_tmp, solve_success, displacement = ml_func(*func_args, lpbackend=solver, **ml_func_kwargs)
if not check_macro_legality(macro_pos_tmp, macro_size, macro_fixed, die_info): legal, overlaps = check_macro_legality(macro_pos_tmp, macro_size, macro_fixed, die_info)
if not legal:
# update macro_pos to macro_pos_tmp # update macro_pos to macro_pos_tmp
logger.warning("Current solution is illegal. Macro Overlap Pairs: %s." % overlaps)
func_args = (*func_args[:2], macro_pos_tmp, *func_args[3:]) func_args = (*func_args[:2], macro_pos_tmp, *func_args[3:])
ml_func_kwargs["edge_type"] = None ml_func_kwargs["edge_type"] = None
solve_success = False solve_success = False