def write_server_run_script():
assert servertype == 'bridges'
# NOTE: to edit according to the configuration needed.
jobname = jobtype
time_budget_in_hours = 48 # max 48 hours
mem_budget_in_gb = 16
partition_name = 'GPU-shared'
num_cpus = 1 # probably ask a CPU for each GPU (or more if you have data loaders)
num_gpus = 1 # up to 4 if k80, up to 2 if p100
gpu_type = 'k80' # in ['k80', 'p100']
script_header = [
'#!/bin/bash',
'#SBATCH --nodes=1',
'#SBATCH --partition=%s' % partition_name,
'#SBATCH --cpus-per-task=%d' % num_cpus,
'#SBATCH --gres=gpu:%s:%d' % (gpu_type, num_gpus),
'#SBATCH --mem=%dM' % tb_rs.convert_between_byte_units(
mem_budget_in_gb, src_units='gigabytes', dst_units='megabytes'),
'#SBATCH --time=%d' % tb_lg.convert_between_time_units(
time_budget_in_hours, src_units='hours', dst_units='minutes'),
'#SBATCH --job-name=%s' % jobname,
]
# NOTE: changes to the environment can be put in the run script.
script_body = [
'module load tensorflow/1.5_gpu',
'PYTHONPATH=%s:$PYTHONPATH' % remote_folderpath,
'python -u %s > log_%s.txt' % (main_relfilepath, jobname)
]
script_filepath = tb_fs.join_paths([local_folderpath, "run.sh"])
tb_io.write_textfile(script_filepath, script_header + [''] + script_body)
subprocess.check_output(['chmod', '+x', script_filepath])
def memory_since_last(self, units='megabytes'):
mem_now = self.memory_total('bytes')
mem_dif = mem_now - self.last_registered
self.last_registered = mem_now
return tb_rs.convert_between_byte_units(mem_dif, dst_units=units)
def get_gpu_information():
gpus = []
try:
convert_to_gigabytes = lambda x: tb_rs.convert_between_byte_units(
x, src_units='megabytes', dst_units='gigabytes')
out = subprocess.check_output([
'nvidia-smi',
'--query-gpu=utilization.gpu,memory.used,memory.total',
'--format=csv,noheader'
])
gpu_s_lst = out.strip().split('\n')
for i, s in enumerate(gpu_s_lst):
utilization_s, memory_s, total_memory_s = s.split(', ')
gpus.append({
'gpu_id':
i,
'gpu_utilization_in_percent':
float(utilization_s.split()[0]),
'gpu_memory_utilization_in_gigabytes':
convert_to_gigabytes(float(memory_s.split()[0])),
'gpu_total_memory_in_gigabytes':
convert_to_gigabytes(float(total_memory_s.split()[0]))
})
except OSError:
pass
return gpus
def run_on_matrix(bash_command,
servername,
username,
password=None,
num_cpus=1,
num_gpus=0,
mem_budget=8.0,
time_budget=60.0,
mem_units='gigabytes',
time_units='minutes',
folderpath=None,
wait_for_output=True,
require_gpu_type=None,
run_on_head_node=False,
jobname=None):
assert (not run_on_head_node) or num_gpus == 0
assert require_gpu_type is None ### NOT IMPLEMENTED YET.
# prompts for password if it has not been provided
if password == None:
password = getpass.getpass()
script_cmd = "\n".join(['#!/bin/bash', bash_command])
script_name = "run_%s.sh" % uuid.uuid4()
# either do the call using sbatch, or run directly on the head node.
if not run_on_head_node:
cmd_parts = [
'srun' if wait_for_output else 'sbatch',
'--cpus-per-task=%d' % num_cpus,
'--gres=gpu:%d' % num_gpus,
'--mem=%d' % tb_rs.convert_between_byte_units(
mem_budget, src_units=mem_units, dst_units='megabytes'),
'--time=%d' % tb_lg.convert_between_time_units(
time_budget, time_units, dst_units='minutes')
]
if jobname is not None:
cmd_parts += ['--job-name=%s' % jobname]
cmd_parts += [script_name]
run_script_cmd = ' '.join(cmd_parts)
else:
run_script_cmd = './' + script_name
# actual command to run remotely
remote_cmd = " && ".join([
"echo \'%s\' > %s" % (script_cmd, script_name),
"chmod +x %s" % script_name, run_script_cmd,
"rm %s" % script_name
])
return run_on_server(
remote_cmd,
**tb_ut.subset_dict_via_selection(locals(), [
'servername', 'username', 'password', 'folderpath',
'wait_for_output'
]))
def run(self, run_only_if_enough_resources_for_all=True):
args = tb_ut.subset_dict_via_selection(
vars(self), ['servername', 'username', 'password'])
args['abort_if_any_node_unavailable'] = False
# get the resource availability and filter out unavailable nodes.
d = get_lithium_resource_availability(**args)
d = {k: v for (k, v) in d.iteritems() if v is not None}
g = get_lithium_nodes()
# assignments to each of the registered jobs
run_cfgs = []
for x in self.jobs:
if x['require_nodes'] is not None:
req_nodes = x['require_nodes']
else:
req_nodes = d.keys()
# based on the gpu type restriction.
if x['require_gpu_types'] is not None:
req_gpu_nodes = tb_ut.flatten(
tb_ut.subset_dict_via_selection(g, x['require_gpu_types']))
else:
# NOTE: only consider the nodes that are available anyway.
req_gpu_nodes = d.keys()
# potentially available nodes to place this job.
nodes = list(set(req_nodes).intersection(req_gpu_nodes))
assert len(nodes) > 0
# greedy assigned to a node.
assigned = False
for n in nodes:
r = d[n]
# if there are enough resources on the node, assign it to the
# job.
if ((r['cpus_free'] >= x['num_cpus'])
and (r['gpus_free'] >= x['num_gpus']) and
(r['mem_mbs_free'] >= tb_rs.convert_between_byte_units(
x['mem_budget'],
src_units=x['mem_units'],
dst_units='megabytes'))):
# record information about where to run the job.
run_cfgs.append({
'node':
n,
'visible_gpu_ids':
r['free_gpu_ids'][:x['num_gpus']]
})
# deduct the allocated resources from the available resources
# for that node.
r['cpus_free'] -= x['num_cpus']
r['gpus_free'] -= x['num_gpus']
r['mem_mbs_free'] -= tb_rs.convert_between_byte_units(
x['mem_budget'],
src_units=x['mem_units'],
dst_units='megabytes')
r['free_gpu_ids'] = r['free_gpu_ids'][x['num_gpus']:]
# assigned = True
break
# if not assigned, terminate without doing anything.
if not assigned:
run_cfgs.append(None)
if run_only_if_enough_resources_for_all:
print("Insufficient resources to satisfy"
" (cpus=%d, gpus=%d, mem=%0.3f%s)" %
(x['num_cpus'], x['num_gpus'], x['mem_budget'],
x['mem_units']))
return None
# running the jobs that have a valid config.
remaining_jobs = []
outs = []
for x, c in zip(self.jobs, run_cfgs):
if c is None:
remaining_jobs.append(x)
else:
out = run_on_lithium_node(**tb_ut.merge_dicts([
tb_ut.subset_dict_via_selection(vars(
self), ['servername', 'username', 'password']),
tb_ut.subset_dict_via_selection(x, [
'bash_command', 'folderpath', 'wait_for_output',
'run_on_head_node'
]),
tb_ut.subset_dict_via_selection(
c, ['node', 'visible_gpu_ids'])
]))
outs.append(out)
self.jobs = remaining_jobs
return outs
def memory_process(pid, units='megabytes'):
psutil_p = psutil.Process(pid)
mem_p = psutil_p.memory_info()[0]
return tb_rs.convert_between_byte_units(mem_p, dst_units=units)
def memory_max(self, units='megabytes'):
return tb_rs.convert_between_byte_units(self.max_registered,
dst_units=units)
def memory_total(self, units='megabytes'):
mem_now = memory_process(os.getpid(), units)
if self.max_registered < mem_now:
self.max_registered = mem_now
return tb_rs.convert_between_byte_units(mem_now, dst_units=units)
