def test_corr_with_replicated_dataframe(self):
pd_df = pd.DataFrame([(.2, .3, .4), (.0, .6, .9), (.6, .0, .6),
(.2, .1, .1)],
columns=['dogs', 'cats', 'rats'])
rep_df = ParallelDataFrame(pd_df, dist='replicated')
rep_corr = rep_df.corr()
pd_corr = pd_df.corr()
self.assertTrue(rep_corr.equals(pd_corr))
def test_corr_with_col_distributed_dataframe(self):
pd_df = pd.DataFrame([(.2, .3, .4), (.0, .6, .9), (.6, .0, .6),
(.2, .1, .1)],
columns=['dogs', 'cats', 'rats'])
dist_df = ParallelDataFrame(pd_df, dist_data=False)
dist_corr = dist_df.corr()
pd_corr = pd_df.corr()
#compare values of each row (rounded to 6 digits)
for row in dist_corr.globalIndex:
self.assertEqual(
list(dist_corr.loc[row].collect().sort_index().round(6)),
list(pd_corr.loc[row].sort_index().round(6)))
def main():
parser = argparse.ArgumentParser()
parser.add_argument(
'--stats_file',
help="Name and location of file where the stats should be saved")
args = parser.parse_args()
if args.stats_file:
file_stats = args.stats_file
else:
file_stats = "./microbenchmark_stats.txt"
comm = MPI.COMM_WORLD
rank = comm.Get_rank()
number_processors = comm.Get_size()
data_folder1 = './MPIpandas/examples/microbenchmarks/test_data1_microbenchmarks'
data_folder2 = './MPIpandas/examples/microbenchmarks/test_data2_microbenchmarks'
#if file does not exist add header
if rank == 0 and os.path.isfile(file_stats) != True:
with open(file_stats, 'a') as file:
file.write("#Processors, Function, Time(ms)\n")
#---------------------------------------------------------------------------------------
#value_counts function------------------------------------------------------------------
#---------------------------------------------------------------------------------------
pd_data = pd.read_csv(data_folder1 + "/adult_vc_transpose_40K.data",
low_memory=False)
#pd_data = pd.read_csv(data_folder2+"/adult_vc_transpose_80K.data", low_memory = False)
pd_data.index = ['workclass', 'education', 'educationNum']
dist_data = ParallelDataFrame(pd_data, dist_data=False)
dist_data = dist_data.apply(lambda x: x.str.lower()
if x.dtype == 'object' else x)
dist_data = dist_data.apply(lambda x: x.str.replace('-', '')
if x.dtype == 'object' else x)
dist_data = dist_data.apply(lambda x: x.str.replace(' ', '')
if x.dtype == 'object' else x)
dist_series = dist_data.loc['education']
comm.Barrier()
t0 = time.time()
dist_series.value_counts()
comm.barrier()
if (rank == 0):
with open(file_stats, 'a') as file:
file.write('{}, value_counts, {}\n'.format(
number_processors, (time.time() - t0) * 1000))
#---------------------------------------------------------------------------------------
#apply function------------------------------------------------------------------
#---------------------------------------------------------------------------------------
pd_data = pd.read_csv(data_folder1 + "/adult_80K.data")
#pd_data = pd.read_csv(data_folder2+"/adult_163K.data")
pd_data.columns = [
'age', 'workclass', 'fnlwgt', 'education', 'educationNum',
'maritalStatus', 'occupation', 'relationship', 'race', 'sex',
'capitalGain', 'capitalLoss', 'hoursPerWeek', 'nativeCountry',
'payPerYear'
]
dist_data = ParallelDataFrame(pd_data, dist_data=False)
comm.Barrier()
t0 = time.time()
new_dist_data = dist_data.apply(lambda x: x.str.lower()
if x.dtype == 'object' else x)
comm.barrier()
if (rank == 0):
with open(file_stats, 'a') as file:
file.write('{}, apply, {}\n'.format(number_processors,
(time.time() - t0) * 1000))
#---------------------------------------------------------------------------------------
#from_dict function------------------------------------------------------------------
#---------------------------------------------------------------------------------------
pd_data = pd.read_csv(data_folder1 + "/adult_80K.data")
#pd_data = pd.read_csv(data_folder2+"/adult_163K.data")
pd_data.columns = [
'age', 'workclass', 'fnlwgt', 'education', 'educationNum',
'maritalStatus', 'occupation', 'relationship', 'race', 'sex',
'capitalGain', 'capitalLoss', 'hoursPerWeek', 'nativeCountry',
'payPerYear'
]
dict = pd_data.to_dict()
comm.Barrier()
t0 = time.time()
dist_data = ParallelDataFrame.from_dict(dict, orient='index')
comm.barrier()
if (rank == 0):
with open(file_stats, 'a') as file:
file.write('{}, from_dict, {}\n'.format(number_processors,
(time.time() - t0) * 1000))
#---------------------------------------------------------------------------------------
#corr function------------------------------------------------------------------
#---------------------------------------------------------------------------------------
pd_data = pd.read_csv(data_folder1 + "/adult_discretized_82K.data")
#pd_data = pd.read_csv(data_folder2+"/adult_discretized_164K.data")
dist_data = ParallelDataFrame(pd_data)
comm.Barrier()
t0 = time.time()
dist_data.corr()
comm.barrier()
if (rank == 0):
with open(file_stats, 'a') as file:
file.write('{}, corr, {}\n'.format(number_processors,
(time.time() - t0) * 1000))