323 lines
11 KiB
Python
323 lines
11 KiB
Python
"""
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dispy Distributed Benchmarks to FTS methods
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To enable a dispy cluster node:
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python3 /usr/local/bin/dispynode.py -i [local IP] -d
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"""
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import random
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import dispy
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import dispy.httpd
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from copy import deepcopy
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import numpy as np
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import pandas as pd
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import time
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import datetime
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import pyFTS
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from pyFTS.partitioners import partitioner, Grid, Huarng, Entropy, FCM
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from pyFTS.benchmarks import Measures, naive, arima, ResidualAnalysis, ProbabilityDistribution
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from pyFTS.common import Membership, FuzzySet, FLR, Transformations, Util
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from pyFTS import fts, chen, yu, ismailefendi, sadaei, hofts, hwang, pwfts, ifts
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from pyFTS.benchmarks import benchmarks, parallel_benchmarks, Util as bUtil
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def run_point(mfts, partitioner, train_data, test_data, window_key=None, transformation=None, indexer=None):
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"""
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Point forecast benchmark function to be executed on cluster nodes
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:param mfts: FTS model
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:param partitioner: Universe of Discourse partitioner
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:param train_data: data used to train the model
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:param test_data: ata used to test the model
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:param window_key: id of the sliding window
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:param transformation: data transformation
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:param indexer: seasonal indexer
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:return: a dictionary with the benchmark results
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"""
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import time
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from pyFTS import yu,chen,hofts,ifts,pwfts,ismailefendi,sadaei
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from pyFTS.partitioners import Grid, Entropy, FCM
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from pyFTS.benchmarks import Measures
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tmp = [yu.WeightedFTS, chen.ConventionalFTS, hofts.HighOrderFTS, ifts.IntervalFTS,
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pwfts.ProbabilisticWeightedFTS, ismailefendi.ImprovedWeightedFTS, sadaei.ExponentialyWeightedFTS]
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tmp2 = [Grid.GridPartitioner, Entropy.EntropyPartitioner, FCM.FCMPartitioner]
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tmp3 = [Measures.get_point_statistics]
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pttr = str(partitioner.__module__).split('.')[-1]
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_key = mfts.shortname + " n = " + str(mfts.order) + " " + pttr + " q = " + str(partitioner.partitions)
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mfts.partitioner = partitioner
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if transformation is not None:
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mfts.appendTransformation(transformation)
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_start = time.time()
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mfts.train(train_data, partitioner.sets, order=mfts.order)
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_end = time.time()
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times = _end - _start
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_start = time.time()
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_rmse, _smape, _u = Measures.get_point_statistics(test_data, mfts, indexer)
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_end = time.time()
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times += _end - _start
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ret = {'key': _key, 'obj': mfts, 'rmse': _rmse, 'smape': _smape, 'u': _u, 'time': times, 'window': window_key}
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return ret
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def point_sliding_window(data, windowsize, train=0.8, models=None, partitioners=[Grid.GridPartitioner],
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partitions=[10], max_order=3, transformation=None, indexer=None, dump=False,
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save=False, file=None, sintetic=False,nodes=None, depends=None):
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"""
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Distributed sliding window benchmarks for FTS point forecasters
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:param data:
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:param windowsize: size of sliding window
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:param train: percentual of sliding window data used to train the models
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:param models: FTS point forecasters
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:param partitioners: Universe of Discourse partitioner
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:param partitions: the max number of partitions on the Universe of Discourse
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:param max_order: the max order of the models (for high order models)
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:param transformation: data transformation
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:param indexer: seasonal indexer
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:param dump:
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:param save: save results
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:param file: file path to save the results
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:param sintetic: if true only the average and standard deviation of the results
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:param nodes: list of cluster nodes to distribute tasks
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:param depends: list of module dependencies
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:return: DataFrame with the results
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"""
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cluster = dispy.JobCluster(run_point, nodes=nodes) #, depends=dependencies)
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http_server = dispy.httpd.DispyHTTPServer(cluster)
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_process_start = time.time()
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print("Process Start: {0: %H:%M:%S}".format(datetime.datetime.now()))
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pool = []
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jobs = []
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objs = {}
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rmse = {}
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smape = {}
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u = {}
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times = {}
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if models is None:
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models = benchmarks.get_point_methods()
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for model in models:
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mfts = model("")
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if mfts.is_high_order:
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for order in np.arange(1, max_order + 1):
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if order >= mfts.min_order:
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mfts = model("")
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mfts.order = order
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pool.append(mfts)
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else:
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pool.append(mfts)
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experiments = 0
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for ct, train, test in Util.sliding_window(data, windowsize, train):
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experiments += 1
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if dump: print('\nWindow: {0}\n'.format(ct))
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for partition in partitions:
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for partitioner in partitioners:
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data_train_fs = partitioner(train, partition, transformation=transformation)
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for id, m in enumerate(pool,start=0):
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job = cluster.submit(m, data_train_fs, train, test, ct, transformation)
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job.id = id # associate an ID to identify jobs (if needed later)
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jobs.append(job)
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for job in jobs:
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tmp = job()
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if job.status == dispy.DispyJob.Finished and tmp is not None:
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if tmp['key'] not in objs:
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objs[tmp['key']] = tmp['obj']
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rmse[tmp['key']] = []
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smape[tmp['key']] = []
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u[tmp['key']] = []
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times[tmp['key']] = []
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rmse[tmp['key']].append(tmp['rmse'])
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smape[tmp['key']].append(tmp['smape'])
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u[tmp['key']].append(tmp['u'])
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times[tmp['key']].append(tmp['time'])
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print(tmp['key'], tmp['window'])
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else:
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print(job.exception)
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print(job.stdout)
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_process_end = time.time()
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print("Process End: {0: %H:%M:%S}".format(datetime.datetime.now()))
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print("Process Duration: {0}".format(_process_end - _process_start))
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cluster.wait() # wait for all jobs to finish
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cluster.print_status()
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http_server.shutdown() # this waits until browser gets all updates
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cluster.close()
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return bUtil.save_dataframe_point(experiments, file, objs, rmse, save, sintetic, smape, times, u)
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def run_interval(mfts, partitioner, train_data, test_data, transformation=None, indexer=None):
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"""
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Interval forecast benchmark function to be executed on cluster nodes
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:param mfts: FTS model
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:param partitioner: Universe of Discourse partitioner
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:param train_data: data used to train the model
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:param test_data: ata used to test the model
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:param window_key: id of the sliding window
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:param transformation: data transformation
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:param indexer: seasonal indexer
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:return: a dictionary with the benchmark results
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"""
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import time
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from pyFTS import hofts,ifts,pwfts
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from pyFTS.partitioners import Grid, Entropy, FCM
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from pyFTS.benchmarks import Measures
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tmp = [hofts.HighOrderFTS, ifts.IntervalFTS, pwfts.ProbabilisticWeightedFTS]
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tmp2 = [Grid.GridPartitioner, Entropy.EntropyPartitioner, FCM.FCMPartitioner]
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tmp3 = [Measures.get_interval_statistics]
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pttr = str(partitioner.__module__).split('.')[-1]
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_key = mfts.shortname + " n = " + str(mfts.order) + " " + pttr + " q = " + str(partitioner.partitions)
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mfts.partitioner = partitioner
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if transformation is not None:
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mfts.appendTransformation(transformation)
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_start = time.time()
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mfts.train(train_data, partitioner.sets, order=mfts.order)
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_end = time.time()
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times = _end - _start
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_start = time.time()
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_sharp, _res, _cov = Measures.get_interval_statistics(test_data, mfts)
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_end = time.time()
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times += _end - _start
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ret = {'key': _key, 'obj': mfts, 'sharpness': _sharp, 'resolution': _res, 'coverage': _cov, 'time': times}
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return ret
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def interval_sliding_window(data, windowsize, train=0.8, models=None, partitioners=[Grid.GridPartitioner],
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partitions=[10], max_order=3, transformation=None, indexer=None, dump=False,
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save=False, file=None, sintetic=False,nodes=None, depends=None):
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"""
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Distributed sliding window benchmarks for FTS interval forecasters
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:param data:
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:param windowsize: size of sliding window
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:param train: percentual of sliding window data used to train the models
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:param models: FTS point forecasters
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:param partitioners: Universe of Discourse partitioner
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:param partitions: the max number of partitions on the Universe of Discourse
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:param max_order: the max order of the models (for high order models)
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:param transformation: data transformation
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:param indexer: seasonal indexer
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:param dump:
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:param save: save results
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:param file: file path to save the results
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:param sintetic: if true only the average and standard deviation of the results
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:param nodes: list of cluster nodes to distribute tasks
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:param depends: list of module dependencies
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:return: DataFrame with the results
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"""
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cluster = dispy.JobCluster(run_point, nodes=nodes) #, depends=dependencies)
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http_server = dispy.httpd.DispyHTTPServer(cluster)
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_process_start = time.time()
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print("Process Start: {0: %H:%M:%S}".format(datetime.datetime.now()))
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pool = []
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jobs = []
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objs = {}
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sharpness = {}
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resolution = {}
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coverage = {}
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times = {}
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if models is None:
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models = benchmarks.get_interval_methods()
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for model in models:
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mfts = model("")
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if mfts.is_high_order:
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for order in np.arange(1, max_order + 1):
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if order >= mfts.min_order:
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mfts = model("")
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mfts.order = order
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pool.append(mfts)
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else:
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pool.append(mfts)
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experiments = 0
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for ct, train, test in Util.sliding_window(data, windowsize, train):
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experiments += 1
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if dump: print('\nWindow: {0}\n'.format(ct))
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for partition in partitions:
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for partitioner in partitioners:
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data_train_fs = partitioner(train, partition, transformation=transformation)
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for id, m in enumerate(pool,start=0):
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job = cluster.submit(m, data_train_fs, train, test, ct, transformation)
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job.id = id # associate an ID to identify jobs (if needed later)
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jobs.append(job)
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for job in jobs:
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tmp = job()
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if job.status == dispy.DispyJob.Finished and tmp is not None:
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if tmp['key'] not in objs:
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objs[tmp['key']] = tmp['obj']
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sharpness[tmp['key']] = []
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resolution[tmp['key']] = []
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coverage[tmp['key']] = []
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times[tmp['key']] = []
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sharpness[tmp['key']].append(tmp['sharpness'])
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resolution[tmp['key']].append(tmp['resolution'])
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coverage[tmp['key']].append(tmp['coverage'])
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times[tmp['key']].append(tmp['time'])
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print(tmp['key'])
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else:
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print(job.exception)
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print(job.stdout)
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_process_end = time.time()
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print("Process End: {0: %H:%M:%S}".format(datetime.datetime.now()))
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print("Process Duration: {0}".format(_process_end - _process_start))
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cluster.wait() # wait for all jobs to finish
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cluster.print_status()
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http_server.shutdown() # this waits until browser gets all updates
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cluster.close()
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return benchmarks.save_dataframe_interval(coverage, experiments, file, objs, resolution, save, sharpness, sintetic,
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times) |