def start(self,jid):
"""start running a job by creating a new process"""
global p, jobs
myjobs = []
db = DAL(config.uri, auto_import=True, migrate=False,
folder=config.dbdir)
user = db.jobs(jid).user
app = db.jobs(jid).app
cid = db.jobs(jid).cid
np = db.jobs(jid).np
if np > 1: # use mpi
command = db.apps(name=app).command
command = config.mpirun + " -np " + str(np) + " " + command
else: # dont use mpi
command = db.apps(name=app).command
exe = os.path.join(config.apps_dir,app,app)
outfn = app + ".out"
cmd = command + ' >& ' + outfn
run_dir = os.path.join(config.user_dir,user,app,cid)
# if number procs available fork new process with command
for i in range(np):
self.sem.acquire()
p = Process(target=self.start_job, args=(run_dir,cmd,app,jid,np,))
myjobs.append(p)
print len(myjobs), myjobs
p.start()
for i in range(np):
self.sem.release()
def start(self,jid):
"""start running a job by creating a new process"""
db = DAL(config.uri, auto_import=True, migrate=False, folder=config.dbdir)
uid = db.jobs(jid).uid
user = db.users(uid).user
app = db.jobs(jid).app
cid = db.jobs(jid).cid
np = db.jobs(jid).np
if np > 1: # use mpi
command = db.jobs(jid).command
command = config.mpirun + " -np " + str(np) + " " + command
else: # dont use mpi
command = db.jobs(jid).command
# redirect output to appname.out file
outfn = app + ".out"
cmd = command + ' > ' + outfn + ' 2>&1 '
print "cmd:", cmd
run_dir = os.path.join(user_dir, user, app, cid)
# if number procs available fork new process with command
for i in range(np):
self.sem.acquire()
p = Process(target=self.start_job, args=(run_dir,cmd,app,jid,np,myjobs))
p.start()
for i in range(np):
self.sem.release()