def performance_testing():
# Heuristics
h_alg = [solverNN.algorithm, solverCHH.algorithm]
h_alg_name = ["solverNN.algorithm", "solverCHH.algorithm"]
ls_alg_name = [
"SolverLS_close_index_route_swap",
"SolverLS_all_combination_route_swap", "TwoOPT"
]
try:
for (idx, algo) in enumerate(h_alg):
with open('../results/' + h_alg_name[idx] + '.dat',
"a") as filehandle:
filehandle.write("{} {} {}\n".format("Instance", "Cost",
"Time"))
for path, subdirs, files in os.walk('../data'):
for name in files:
if fnmatch.fnmatch(name, "*.xml"):
t0 = time.clock()
instance = data.Data(os.path.join(path, name))
ch = ConstructionHeuristics(instance, algo)
sol = ch.construct(60 - t0)
splitted_name = re.compile("^[a-zA-Z]+").findall(
name)
filehandle.write("{} {} {}".format(
splitted_name[0], sol.cost(), round(t0, 2)))
filehandle.write("\n")
ls_alg = [
SolverLS(sol).run_first,
SolverLS(sol).run_second,
TwoOPT(sol).run
]
for (ls_idx, l_alg) in enumerate(ls_alg):
with open(
'../results/' + ls_alg_name[ls_idx] +
'_' + h_alg_name[idx] + '.dat',
"a") as ls_fh:
if os.stat('../results/' +
ls_alg_name[ls_idx] + '_' +
h_alg_name[idx] +
'.dat').st_size == 0:
ls_fh.write("{} {} {}\n".format(
"Instance", "Cost", "Time"))
t0 = time.clock()
ls = LocalSearch(solution=sol, alg=l_alg)
try:
sol = ls.construct(60 - t0)
except TimeOutExeption as e:
print("timeout")
sol = e.solution
ls_fh.write("{} {} {}".format(
splitted_name[0], sol.cost(),
round(t0, 2)))
ls_fh.write("\n")
ls_fh.close()
filehandle.close()
boxplotter('../results/' + h_alg_name[idx])
for ls_idx in range(len(ls_alg_name)):
boxplotter('../results/' + ls_alg_name[ls_idx] + '_' +
h_alg_name[idx])
except TimeOutExeption as e:
print("timeout")
sol = e.solution
