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"""
experiment launcher using tmux panes
"""
import os
import math
import GPUtil
import re
available_gpu_devices = None
class Options():
def __init__(self, *args, **kwargs):
self.args = []
self.kvs = {"gpu_ids": "0"}
self.set(*args, **kwargs)
def set(self, *args, **kwargs):
for a in args:
self.args.append(a)
for k, v in kwargs.items():
self.kvs[k] = v
return self
def remove(self, *args):
for a in args:
if a in self.args:
self.args.remove(a)
if a in self.kvs:
del self.kvs[a]
return self
def update(self, opt):
self.args += opt.args
self.kvs.update(opt.kvs)
return self
def __str__(self):
final = " ".join(self.args)
for k, v in self.kvs.items():
final += " --{} {}".format(k, v)
return final
def clone(self):
opt = Options()
opt.args = self.args.copy()
opt.kvs = self.kvs.copy()
return opt
def grab_pattern(pattern, text):
found = re.search(pattern, text)
if found is not None:
return found[1]
else:
None
# http://code.activestate.com/recipes/252177-find-the-common-beginning-in-a-list-of-strings/
def findcommonstart(strlist):
prefix_len = ([min([x[0] == elem for elem in x])
for x in zip(*strlist)] + [0]).index(0)
prefix_len = max(1, prefix_len - 4)
return strlist[0][:prefix_len]
class TmuxLauncher():
def __init__(self):
super().__init__()
self.tmux_prepared = False
def prepare_tmux_panes(self, num_experiments, dry=False):
self.pane_per_window = 1
self.n_windows = int(math.ceil(num_experiments / self.pane_per_window))
print('preparing {} tmux panes'.format(num_experiments))
for w in range(self.n_windows):
if dry:
continue
window_name = "experiments_{}".format(w)
os.system("tmux new-window -n {}".format(window_name))
self.tmux_prepared = True
def refine_command(self, command, which_epoch, continue_train, gpu_id=None):
command = str(command)
if "--gpu_ids" in command:
gpu_ids = re.search(r'--gpu_ids ([\d,?]+)', command)[1]
else:
gpu_ids = "0"
gpu_ids = gpu_ids.split(",")
num_gpus = len(gpu_ids)
global available_gpu_devices
if available_gpu_devices is None and gpu_id is None:
available_gpu_devices = [str(g) for g in GPUtil.getAvailable(limit=8, maxMemory=0.5)]
if gpu_id is not None:
available_gpu_devices = [i for i in str(gpu_id)]
if len(available_gpu_devices) < num_gpus:
raise ValueError("{} GPU(s) required for the command {} is not available".format(num_gpus, command))
active_devices = ",".join(available_gpu_devices[:num_gpus])
if which_epoch is not None:
which_epoch = " --epoch %s " % which_epoch
else:
which_epoch = ""
command = "CUDA_VISIBLE_DEVICES={} {} {}".format(active_devices, command, which_epoch)
if continue_train:
command += " --continue_train "
# available_gpu_devices = [str(g) for g in GPUtil.getAvailable(limit=8, maxMemory=0.8)]
available_gpu_devices = available_gpu_devices[num_gpus:]
return command
def send_command(self, exp_id, command, dry=False, continue_train=False):
command = self.refine_command(command, None, continue_train=continue_train)
pane_name = "experiments_{windowid}.{paneid}".format(windowid=exp_id // self.pane_per_window,
paneid=exp_id % self.pane_per_window)
if dry is False:
os.system("tmux send-keys -t {} \"{}\" Enter".format(pane_name, command))
print("{}: {}".format(pane_name, command))
return pane_name
def run_command(self, command, ids, which_epoch=None, continue_train=False, gpu_id=None):
if type(command) is not list:
command = [command]
if ids is None:
ids = list(range(len(command)))
if type(ids) is not list:
ids = [ids]
for id in ids:
this_command = command[id]
refined_command = self.refine_command(this_command, which_epoch, continue_train=continue_train, gpu_id=gpu_id)
print(refined_command)
os.system(refined_command)
def commands(self):
return []
def launch(self, ids, test=False, dry=False, continue_train=False):
commands = self.test_commands() if test else self.commands()
if type(ids) is list:
commands = [commands[i] for i in ids]
if not self.tmux_prepared:
self.prepare_tmux_panes(len(commands), dry)
assert self.tmux_prepared
for i, command in enumerate(commands):
self.send_command(i, command, dry, continue_train=continue_train)
def dry(self):
self.launch(dry=True)
def stop(self):
num_experiments = len(self.commands())
self.pane_per_window = 4
self.n_windows = int(math.ceil(num_experiments / self.pane_per_window))
for w in range(self.n_windows):
window_name = "experiments_{}".format(w)
for i in range(self.pane_per_window):
os.system("tmux send-keys -t {window}.{pane} C-c".format(window=window_name, pane=i))
def close(self):
num_experiments = len(self.commands())
self.pane_per_window = 1
self.n_windows = int(math.ceil(num_experiments / self.pane_per_window))
for w in range(self.n_windows):
window_name = "experiments_{}".format(w)
os.system("tmux kill-window -t {}".format(window_name))
def print_names(self, ids, test=False):
if test:
cmds = self.test_commands()
else:
cmds = self.commands()
if type(ids) is list:
cmds = [cmds[i] for i in ids]
for cmdid, cmd in enumerate(cmds):
name = grab_pattern(r'--name ([^ ]+)', cmd)
print(name)
def create_comparison_html(self, expr_name, ids, subdir, title, phase):
cmds = self.test_commands()
if type(ids) is list:
cmds = [cmds[i] for i in ids]
no_easy_label = True
dirs = []
labels = []
for cmdid, cmd in enumerate(cmds):
name = grab_pattern(r'--name ([^ ]+)', cmd)
which_epoch = grab_pattern(r'--epoch ([^ ]+)', cmd)
if which_epoch is None:
which_epoch = "latest"
label = grab_pattern(r'--easy_label "([^"]+)"', cmd)
if label is None:
label = name
else:
no_easy_label = False
labels.append(label)
dir = "results/%s/%s_%s/%s/" % (name, phase, which_epoch, subdir)
dirs.append(dir)
commonprefix = findcommonstart(labels) if no_easy_label else ""
labels = ['"' + label[len(commonprefix):] + '"' for label in labels]
dirstr = ' '.join(dirs)
labelstr = ' '.join(labels)
command = "python ~/tools/html.py --web_dir_prefix results/comparison_ --name %s --dirs %s --labels %s --image_width 256" % (expr_name + '_' + title, dirstr, labelstr)
print(command)
os.system(command)
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