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https://github.com/wassname/DeepRL.git
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59 lines
1.9 KiB
Python
59 lines
1.9 KiB
Python
#######################################################################
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# Copyright (C) 2017 Shangtong Zhang(zhangshangtong.cpp@gmail.com) #
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# Permission given to modify the code as long as you keep this #
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# declaration at the top #
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#######################################################################
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from tensorboardX import SummaryWriter
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import os
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import numpy as np
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import torch
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class Logger(object):
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def __init__(self, log_dir, vanilla_logger, skip=False):
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try:
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for f in os.listdir(log_dir):
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if not f.startswith('events'):
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continue
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os.remove('%s/%s' % (log_dir, f))
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except IOError:
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os.mkdir(log_dir)
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if not skip:
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self.writer = SummaryWriter(log_dir)
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self.info = vanilla_logger.info
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self.debug = vanilla_logger.debug
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self.warning = vanilla_logger.warning
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self.skip = skip
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self.all_steps = {}
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def to_numpy(self, v):
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if isinstance(v, torch.autograd.Variable):
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v = v.data
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if isinstance(v, torch.FloatTensor):
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v = v.cpu().detach().numpy()
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return v
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def get_step(self, tag):
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if tag not in self.all_steps:
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self.all_steps[tag] = 0
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step = self.all_steps[tag]
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self.all_steps[tag] += 1
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return step
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def scalar_summary(self, tag, value, step=None):
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if self.skip:
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return
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self.to_numpy(value)
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if step is None:
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step = self.get_step(tag)
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if np.isscalar(value):
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value = np.asarray([value])
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self.writer.add_scalar(tag, value, step)
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def histo_summary(self, tag, values, step=None):
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if self.skip:
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return
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self.to_numpy(values)
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if step is None:
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step = self.get_step(tag)
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self.writer.add_histogram(tag, values, step, bins=1000) |