#!/usr/bin/env python #------------------------------------------------------------------------------- # This file is part of the Code_Saturne Solver. # # Copyright (C) 2009-2011 EDF # # Code_Saturne is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the # Free Software Foundation; either version 2 of the License, # or (at your option) any later version. # # Code_Saturne is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty # of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public Licence # along with the Code_Saturne Preprocessor; if not, write to the # Free Software Foundation, Inc., # 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA #------------------------------------------------------------------------------- import datetime import fnmatch import os.path import sys import tempfile python_version = sys.version[:3] try: import subprocess # Python 2.4+ have_subprocess = True except ImportError: import popen2 # Python 2.3- have_subprocess = False from optparse import OptionParser from cs_config import mpi_lib, env_modules #=============================================================================== # Utility functions #=============================================================================== def abs_exec_path(path): """ Find an executable in the system path. """ abs_path = None if os.path.isabs(path): return path else: try: for d in os.getenv('PATH').split(): f = os.path.join(d, path) if os.path.isfile(f): return f except Exception: pass return None #------------------------------------------------------------------------------- def run_command(cmd, echo = False, stdout = sys.stdout, stderr = sys.stderr): """ Run a command. """ if echo == True: stdout.write(cmd + '\n') if have_subprocess == True: # As a workaround for a bug in which the standard output an error # are "lost" (observed in an apparently random manner, with Python 2.4), # we only add the stdout and stderr keywords if they are non-default. kwargs = {} if (stdout != sys.stdout): kwargs['stdout'] = stdout if (stderr != sys.stderr): kwargs['stderr'] = stderr p = subprocess.Popen(cmd, shell=True, **kwargs) p.communicate() returncode = p.returncode else: p = popen2.Popen3(cmd, capturestderr=True) returncode = p.wait() output = (p.fromchild.read(), p.childerr.read()) if len(output[0]) > 0: stdout.write(output[0]) if len(output[1]) > 0: stderr.write(output[1]) p.fromchild.close() p.childerr.close() return returncode #------------------------------------------------------------------------------- def get_command_output(cmd): """ Run a command and return it's standard output. """ if have_subprocess == True: p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE) output = p.communicate() if p.returncode != 0: sys.stderr.write(output[1] + '\n') return '' else: return output[0] else: p = popen2.Popen3(cmd, capturestderr=True) returncode = p.wait() if returncode != 0: sys.stderr.write(p.childerr.read()) return '' else: return p.fromchild.read() #------------------------------------------------------------------------------- def get_command_outputs(cmd): """ Run a command and return it's standard and error outputs. """ if have_subprocess == True: p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT) return p.communicate()[0] else: p = popen2.Popen4(cmd) returncode = p.wait() return p.fromchild.read() #------------------------------------------------------------------------------- def set_modules(): """ Set environment modules if present. """ if env_modules.modules == "no": return cmd_prefix = env_modules.modules_cmd if have_subprocess == True: cmds = ['purge'] for m in env_modules.modules.strip().split(): cmds.append('load ' + m) for cmd in cmds: (output, error) \ = subprocess.Popen([cmd_prefix, 'python'] + cmd.split(), stdout=subprocess.PIPE).communicate() exec output else: cmds = ['purge'] for m in env_modules.modules.strip().split(): cmds.append('load ' + m) for cmd in cmds: p = os.popen(cmd_prefix + ' python ' + cmd).read() exec p #------------------------------------------------------------------------------- class batch_info: #--------------------------------------------------------------------------- def __init__(self): """ Get batch system information. """ self.batch_type = None self.submit_dir = None self.job_file = None self.job_name = None self.job_id = None self.queue = None # Check for specific batch environments s = os.getenv('LSB_JOBID') # LSF if s != None: self.batch_type = 'LSF' self.submit_dir = os.getenv('LS_SUBCWDIR') self.job_file = os.getenv('LSB_JOBFILENAME') self.job_name = os.getenv('LSB_JOBNAME') self.job_id = os.getenv('LSB_BATCH_JID') self.queue = os.getenv('LSB_QUEUE') if self.batch_type == None: s = os.getenv('PBS_JOBID') # PBS if s != None: self.batch_type = 'PBS' self.submit_dir = os.getenv('PBS_O_WORKDIR') self.job_name = os.getenv('PBS_JOBNAME') self.job_id = os.getenv('PBS_JOBID') self.queue = os.getenv('PBS_QUEUE') if self.batch_type == None: s = os.getenv('LOADL_JOB_NAME') # LoadLeveler if s != None: self.batch_type = 'LOADL' self.submit_dir = os.getenv('LOADL_STEP_INITDIR') self.job_name = os.getenv('LOADL_JOB_NAME') self.job_id = os.getenv('LOADL_STEP_ID') self.queue = os.getenv('LOADL_STEP_CLASS') if self.batch_type == None: s = os.getenv('SGE_TASK_ID') # Sun Grid Engine if s != None: self.batch_type = 'SGE' self.submit_dir = os.getenv('SGE_O_WORKDIR') self.job_name = os.getenv('JOB_NAME') self.job_id = os.getenv('JOB_ID') self.queue = os.getenv('QUEUE') if self.batch_type == None: s = os.getenv('SLURM_JOBID') # SLURM if s != None: self.batch_type = 'SLURM' self.submit_dir = os.getenv('SLURM_SUBMIT_DIR') self.job_name = os.getenv('SLURM_JOB_NAME') self.job_id = os.getenv('SLURM_JOBID') self.queue = os.getenv('SLURM_PARTITION') #--------------------------------------------------------------------------- def get_remaining_time(self): """ Get remaining time if available from batch system. """ rtime = None if self.batch_type == 'PBS': cmd = "qstat -r $PBS_JOBID | grep $PBS_JOBID" \ + " | sed -e's/ \{1,\}/ /g' | cut -d ' ' -f 9" rtime = get_command_output(cmd) return rtime #------------------------------------------------------------------------------- class resource_info(batch_info): #--------------------------------------------------------------------------- def __init__(self, n_procs = None, hosts_list = None): """ Get execution resources information. """ batch_info.__init__(self) self.manager = None self.n_procs = None self.n_nodes = None # If obtained from an environment variable, express # the hosts file using a shell variable rather than # an absolute name (for use in generated scripts). self.hosts_file = None self.hosts_list = None # Check for resource manager # Test for SLURM (Simple Linux Utility for Resource Management). s = os.getenv('SLURM_NPROCS') if s != None: self.manager = 'SLURM' self.n_procs = int(s) s = os.getenv('SLURM_NNODES') if s != None: self.n_nodes = int(s) else: s = os.getenv('SLURM_NNODES') if s != None: self.manager = 'SLURM' self.n_nodes = int(s) s = os.getenv('SLURM_TASKS_PER_NODE') if s != None: # Syntax may be similar to SLURM_TASKS_PER_NODE=2(x3),1" # indicating three nodes will each execute 2 tasks and # the fourth node will execute 1 task. self.n_procs = 0 for s0 in s.split(','): i = s0.find('(') if i > -1: self.n_procs += int(s0[0:i])*int(s0[i+2:-1]) else: self.n_procs += int(s0) else: self.n_procs = self.n_nodes # Test for Platform LSF. if self.manager == None and self.batch_type == 'LSF': self.manager = 'LSF' self.n_procs = 0 self.n_nodes = 0 s = os.getenv('LSB_MCPU_HOSTS') if s != None: mcpu_list = s.split(' ') self.n_nodes = len(mcpu_list)/2 for i in range(self.n_nodes): self.n_procs += int(mcpu_list[i*2 + 1]) else: s = os.getenv('LSB_HOSTS') if s != None: hl = s.split(' ') self.n_procs_from_hosts_list(hl, True) # Test for IBM LoadLeveler. if self.manager == None and self.batch_type == 'LOADL': s = os.getenv('LOADL_TOTAL_TASKS') if s == None: s = os.getenv('LOADL_BG_SIZE') if s != None: self.manager = 'LOADL' self.n_procs = int(s) else: s = os.getenv('LOADL_PROCESSOR_LIST') if s != None: self.manager = 'LOADL' hl = s.strip().split(' ') self.n_procs_from_hosts_list(hl, True) s = os.getenv('LOADL_HOSTFILE') if s != None: self.manager = 'LOADL' self.hosts_file = '$LOADL_HOSTFILE' # Test for TORQUE or PBS Pro. if self.manager == None and self.batch_type == 'PBS': s = os.getenv('PBS_NODEFILE') if s != None: self.manager = 'PBS' self.hosts_file = '$PBS_NODEFILE' # Test for Oracle Grid Engine. if self.manager == None and self.batch_type == 'SGE': s = os.getenv('NSLOTS') if s != None: self.n_procs = int(s) s = os.getenv('NHOSTS') if s != None: self.n_nodes = int(s) s = os.getenv('TMPDIR') if s != None: s += '/machines' if os.path.isfile(s): s.manager = 'SGE' self.hosts_file = '$TMPDIR/machines' else: s = os.getenv('PE_HOSTFILE') if s != None: self.hosts_file = '$PE_HOSTFILE' # Set an optional list of hosts if we are not running under # a resource manager. if hosts_list != None: if self.manager != None: sys.stderr.write('Warning:\n' + ' Host list will be ignored because a' + ' resource manager (' + self.manager + ') is in use.\n\n') else: self.hosts_list = hosts_list # Determine number of processors from hosts file or list if self.n_procs == None: if self.hosts_file != None: self.n_procs_from_hosts_file(self.hosts_file) elif self.hosts_list != None: self.n_procs_from_hosts_list(self.hosts_list) # Check and possibly set number of processes if n_procs != None: if self.n_procs != None: if self.n_procs != n_procs: sys.stderr.write('Warning:\n' +' Will use ' + str(self.n_procs) + ' processes while resource manager (' + self.manager + ')\n allows for ' + str(n_procs) + '.\n\n') self.n_procs = n_procs #--------------------------------------------------------------------------- def n_procs_from_hosts_file(self, hosts_file): """ Compute number of hosts from a hostsfile. """ self.n_procs = 0 if hosts_file[0] == '$': path = os.getenv(hosts_file[1:]) else: path = hosts_file f = open(path, 'r') for line in f: self.n_procs += 1 f.close() #--------------------------------------------------------------------------- def n_procs_from_hosts_list(self, hosts_list, is_copy=False): """ Determine number of processors and nodes from hosts list. """ self.n_procs = len(hosts_list) self.n_nodes = 1 # If the hosts list is not already a copy, build one so # that sorting will not alter the original list. if is_copy == False: hl = [] for s in hosts_list: hl.append(s) else: hl = hosts_list hl.sort() for i in range(self.n_procs - 1): if hl[i] != hl[i+1]: self.n_nodes += 1 #--------------------------------------------------------------------------- def get_hosts_list(self): """ Get execution resources information. """ hosts_list = None # Hosts list may already have been defined by constructor if self.hosts_list != None: hosts_list = self.hosts_list # Check for resource manager and eventual hostsfile elif self.manager == 'SLURM': s = os.getenv('SLURM_TASKS_PER_NODE') hosts_count = None if s != None: # Syntax may be similar to SLURM_TASKS_PER_NODE=2(x3),1" # indicating three nodes will each execute 2 tasks and # the fourth node will execute 1 task. hosts_count = [] for s0 in s.split(','): i = s0.find('(') if i > -1: for j in range(int(s0[i+2:-1])): hosts_count.append(int(s0[0:i])) else: hosts_count.append(int(s0)) s = os.getenv('SLURM_NODELIST') if s != None: hosts_list = [] l = 0 # List uses a compact representation for s0 in s.split(','): i = s0.find('[') if i > -1: basename = s0[0:i] for s1 in s0[i+1:-1].split(','): s2 = s1.split('-') if len(s2) > 1: fmt_s = basename + '%0' + str(len(s2[0])) + 'd' for j in range(int(s2[0]), int(s2[1])+1): host_name = fmt_s % j if hosts_count: for k in range(hosts_count[l]): hosts_list.append(host_name) l += 1 else: hosts_list.append(host_name) else: if hosts_count: for k in range(hosts_count[l]): hosts_list.append(s2[0]) l += 1 else: hosts_list.append(s2[0]) else: if hosts_count: for k in range(hosts_count[l]): hosts_list.append(s0) l += 1 else: hosts_list.append(s0) else: hosts_list = get_command_output('srun hostname -s').split() hosts_list.sort() elif self.manager == 'LSF': s = os.getenv('LSB_MCPU_HOSTS') if s != None: mcpu_list = s.split(' ') hosts_list = [] for i in range(len(mcpu_list)/2): host = mcpu_list[i*2] count = int(mcpu_list[i*2 + 1]) for j in range(count): hosts_list.append(host) else: s = os.getenv('LSB_HOSTS') if s != None: hosts_list = s.split(' ') elif self.manager == 'LOADL': hosts_list = [] s = os.getenv('LOADL_PROCESSOR_LIST') if s != None: hosts_list = s.split(' ') return hosts_list #--------------------------------------------------------------------------- def get_hosts_file(self, wdir = None): """ Returns the name of the hostsfile associated with the resource manager. A hostsfile is built from a hosts list if necessary. """ hosts_file = self.hosts_file if self.hosts_file == None: hosts_list = self.get_hosts_list() if hosts_list != None: if wdir != None: hosts_file = os.path.join(wdir, 'hostsfile') else: hosts_file = 'hostsfile' f = open(hosts_file, 'w') # If number of procs not specified, determine it by list if self.n_procs == None or self.n_procs < 1: n_procs = 0 for host in hosts_list: f.write(host + '\n') n_procs += 1 # If the number of procs is known, use only beginning of list # if it contains more entries than the required number, or # loop through list as many time as necessary to reach # prescribed proc count else: proc_count = 0 while proc_count < self.n_procs: for host in hosts_list: if proc_count < self.n_procs: f.write(host + '\n') proc_count += 1 f.close() self.hosts_file = hosts_file return hosts_file #------------------------------------------------------------------------------- # MPI environments and associated commands #------------------------------------------------------------------------------- MPI_MPMD_none = 0 MPI_MPMD_mpiexec = (1<<0) # mpiexec colon-separated syntax MPI_MPMD_configfile = (1<<1) # mpiexec -configfile syntax MPI_MPMD_script = (1<<2) MPI_MPMD_execve = (1<<3) class mpi_environment: def __init__(self, resource_info=None, wdir = None): """ Returns MPI environment info. """ # Note that self.mpiexec will usually be ' -n ' if present; # blanks are used to separate from the surrounding arguments, # but in the case of srun, which uses a -n instead # of -n syntax, setting it to ' -n' will be enough. self.type = mpi_lib.type self.bindir = mpi_lib.bindir self.gen_hostsfile = None self.del_hostsfile = None self.mpiboot = None self.mpihalt = None self.mpiexec = None self.mpiexec_n = None self.mpiexec_exe = None self.mpiexec_args = None self.mpmd = MPI_MPMD_none self.info_cmds = None # Initialize based on known MPI types, or default. init_method = self.__init_other__ if len(self.type) > 0: mpi_env_by_type = {'MPICH2':self.__init_mpich2__, 'MPICH1':self.__init_mpich1__, 'OpenMPI':self.__init_openmpi__, 'LAM_MPI':self.__init_lam__, 'BGL_MPI':self.__init_bgl__, 'BGP_MPI':self.__init_bgp__, 'HP_MPI':self.__init_hp_mpi__, 'MPIBULL2':self.__init_mpibull2__} if self.type in mpi_env_by_type: init_method = mpi_env_by_type[self.type] p = os.getenv('PATH').split(':') if len(self.bindir) > 0: p.insert(0, self.bindir) init_method(p, resource_info, wdir) #--------------------------------------------------------------------------- def __init_mpich2__(self, p, resource_info=None, wdir = None): """ Initialize for MPICH2 environment. MPICH2 allows for 4 different process managers, all or some of which may be built depending on installation options: - HYDRA is the default starting with MPICH2-1.3, and is available in MPICH2-1.2. It natively uses existing daemons on the system such as ssh, SLURM, PBS, etc. - MPD is the traditional process manager, which consists of a ring of daemons. A hostsfile may be defined to start this ring (a machinefile may still be used for mpiexec for finer control, though we do not use it here). We try to test if such a ring is already running, and start and stop it if this is not the case. - spmd may be used both on Windows and Linux. It consists of independent daemons, so if a hostsfile is used, it must be passed to mpiexec (we do not attempt to start or stop the daemons here if this manager is used). - gforker is a simple manager that creates all processes on a single machine (the equivalent seem possible with HYDRA using "mpiexec -bootstrap fork") """ # Determine base executable paths # Also try to determine if mpiexec is that of MPD or of another # process manager, using the knowledge that MPD's mpiexec # is a Python script, while other MPICH2 mpiexec's are binary. # We could have a false positive if another wrapper is used, # but we still need to find mpdboot. # In a similar fashion, we may determine if we are using the # Hydra process manager, as the 'mpiexec --help' will contain # a 'Hydra' string. # Also, mpirun is a wrapper to mpdboot + mpiexec + mpiallexec, # so it does not require running mpdboot and mpdallexit separately. launcher_names = ['mpiexec.mpich2', 'mpiexec', 'mpiexec.hydra', 'mpiexec.mpd', 'mpiexec.gforker', 'mpirun.mpich2', 'mpirun'] pm = '' for d in p: for name in launcher_names: absname = os.path.join(d, name) if os.path.isfile(absname): # Try to determine launcher type basename = os.path.basename(name) if basename in ['mpiexec.mpich2', 'mpiexec', 'mpirun.mpich2', 'mpirun']: info = get_command_outputs(absname) if info.find('Hydra') > -1: pm = 'hydra' elif info.find(' mpd ') > -1: pm = 'mpd' elif info.find('-usize') > -1: pm = 'gforker' elif basename == 'mpiexec.hydra': pm = 'hydra' elif basename == 'mpiexec.mpd': pm = 'mpd' elif basename == 'mpiexec.gforker': pm = 'gforker' # Set launcher name if d == self.bindir: self.mpiexec = absname else: self.mpiexec = name break if self.mpiexec != None: break # Determine if MPD should be handled # (if we are using a root MPD, no need for setup) if pm == 'mpd' and basename[:6] != 'mpirun': mpd_setup = True s = os.getenv('MPD_USE_ROOT_MPD') if s != None and int(s) != 0: mpd_setup = False # If a setup seems necessary, check paths if mpd_setup: if os.path.isfile(os.path.join(d, 'mpdboot')): if d == self.bindir: self.mpiboot = os.path.join(d, 'mpdboot') self.mpihalt = os.path.join(d, 'mpdallexit') mpdtrace = os.path.join(d, 'mpdtrace') mpdlistjobs = os.path.join(d, 'mpdlistjobs') else: self.mpiboot = 'mpdboot' self.mpihalt = 'mpdallexit' mpdtrace = 'mpdtrace' mpdlistjobs = 'mpdlistjobs' # Determine processor count and MPMD handling launcher_base = os.path.basename(self.mpiexec) if launcher_base[:7] == 'mpiexec': self.mpmd = MPI_MPMD_mpiexec | MPI_MPMD_configfile | MPI_MPMD_script self.mpiexec_n = ' -n ' elif launcher_base[:6] == 'mpirun': self.mpiexec_n = ' -np ' self.mpmd = MPI_MPMD_script # Other options to add # Resource manager info rm = None if resource_info != None: rm = resource_info.manager if pm == 'mpd': if rm == 'SLURM': # This requires linking with SLURM's implementation # of the PMI library. self.mpiexec = 'srun' self.mpiexec_n = ' -n' self.mpmd = MPI_MPMD_script self.mpiboot = None self.mpihalt = None elif rm == 'PBS': # Convert PBS to MPD format (based on MPICH2 documentation) # before MPI boot. if self.mpiboot != None: self.gen_hostsfile = 'sort $PBS_NODEFILE | uniq -C ' \ + '| awk \'{ printf("%s:%s", $2, $1); }\' > ./mpd.nodes' self.del_hostsfile = 'rm -f ./mpd.nodes' self.mpiboot += ' --file=./mpd.nodes' else: hostsfile = resource_info.get_hosts_file(wdir) if hostsfile != None: self.mpiboot += ' --file=' + hostsfile elif pm == 'hydra': # Nothing to do for resource managers directly handled by Hydra if rm not in ['PBS', 'LOADL', 'LSF', 'SGE', 'SLURM']: hostsfile = resource_info.get_hosts_file(wdir) if hostsfile != None: self.mpiexec += ' -f ' + hostsfile elif pm == 'gforker': hosts = False hostslist = resource_info.get_hosts_list() if hostslist != None: hosts = True else: hostsfile = resource_info.get_hosts_file(wdir) if hostsfile != None: hosts = True if hosts == True: sys.stderr.write('Warning:\n' + ' Hosts list will be ignored by' + ' MPICH2 gforker program manager.\n\n') # Finalize mpiboot and mpihalt commands. # We use 'mpdtrace' to determine if a ring is already running, # and mpdlistjobs to determine if other jobs are still running. # This means that a hostsfile will be ignored if an MPD ring # is already running, but will avoid killing other running jobs. if self.mpiboot != None: self.mpiboot = \ mpdtrace + ' > /dev/null 2>&1\n' \ + 'if test $? != 0 ; then ' + self.mpiboot + ' ; fi' self.mpihalt = \ 'listjobs=`' + mpdlistjobs + ' | wc -l`\n' \ + 'if test $listjobs = 0 ; then ' + self.mpihalt + ' ; fi' # Info commands self.info_cmds = ['mpich2version'] #--------------------------------------------------------------------------- def __init_mpich1__(self, p, resource_info=None, wdir = None): """ Initialize for MPICH1 environment. """ # Determine base executable paths launcher_names = ['mpirun.mpich', 'mpirun.mpich-mpd', 'mpirun.mpich-shmem', 'mpirun'] for d in p: for name in launcher_names: absname = os.path.join(d, name) if os.path.isfile(absname): if d == self.bindir: self.mpiexec = absname else: self.mpiexec = name break if self.mpiexec != None: break # Determine processor count and MPMD handling self.mpiexec_n = ' -np ' self.mpmd = MPI_MPMD_script # MPD daemons must be launched using the ch_p4mpd device, # but may not be automated as easily as with MPICH2's mpdboot, # so it is not handled here, and must be managed explicitely # by the user or environment. # Other options to add # Resource manager info if resource_info != None: hostsfile = resource_info.get_hosts_file(wdir) if hostsfile != None: self.mpiexec += ' -machinefile ' + hostsfile # Info commands self.info_cmds = ['mpichversion'] #--------------------------------------------------------------------------- def __init_openmpi__(self, p, resource_info=None, wdir = None): """ Initialize for OpenMPI environment. """ # Determine base executable paths launcher_names = ['mpiexec.openmpi', 'mpirun.openmpi', 'mpiexec', 'mpirun'] info_name = '' for d in p: for name in launcher_names: absname = os.path.join(d, name) if os.path.isfile(absname): if d == self.bindir: self.mpiexec = absname else: self.mpiexec = name info_name = os.path.join(d, 'ompi_info') break if self.mpiexec != None: break # Determine processor count and MPMD handling launcher_base = os.path.basename(self.mpiexec) self.mpiexec_n = ' -n ' if launcher_base[:7] == 'mpiexec': self.mpmd = MPI_MPMD_mpiexec | MPI_MPMD_script elif launcher_base[:7] == 'mpirun': self.mpmd = MPI_MPMD_script # Other options to add # Detect if resource manager is known by this Open MPI build if resource_info != None: known_manager = False if resource_info.manager == 'PBS': known_manager = True elif os.path.isfile(info_name): rc_mca_by_type = {'SLURM':' slurm ', 'LSF':' lsf ', 'LOADL':' loadleveler ', 'SGE':' gridengine '} if resource_info.manager in rc_mca_by_type: info = get_command_output(info_name) if info.find(rc_mca_by_type[resource_info.manager]) > -1: known_manager = True if known_manager == False: hostsfile = resource_info.get_hosts_file(wdir) if hostsfile != None: self.mpiexec += ' --machinefile ' + hostsfile # Info commands self.info_cmds = ['ompi_info -a'] #--------------------------------------------------------------------------- def __init_lam__(self, p, resource_info=None, wdir = None): """ Initialize for LAM/MPI environment. """ # Determine base executable paths launcher_names = ['mpiexec.lam', 'mpirun.lam', 'mpiexec', 'mpirun'] for d in p: for name in launcher_names: absname = os.path.join(d, name) if os.path.isfile(absname): if d == self.bindir: self.mpiexec = absname else: self.mpiexec = name break if self.mpiexec != None: break if os.path.isfile(os.path.join(d, 'lamboot')): if d == self.bindir: self.mpiboot = os.path.join(d, 'lamboot') self.mpihalt = os.path.join(d, 'lamhalt') else: self.mpiboot = 'lamboot' self.mpihalt = 'lamhalt' # Determine processor count and MPMD handling launcher_base = os.path.basename(self.mpiexec) if launcher_base[:7] == 'mpiexec': self.mpiexec_n = ' -n ' self.mpmd = MPI_MPMD_mpiexec | MPI_MPMD_script elif launcher_base[:7] == 'mpirun': self.mpiexec_n = ' -np ' self.mpmd = MPI_MPMD_script # Determine options to add if self.mpiboot != None: self.mpiboot += ' -v' self.mpihalt += ' -v' # Resource manager info if resource_info != None: hostsfile = resource_info.get_hosts_file(wdir) if hostsfile != None and self.mpiboot != None: self.mpiboot += ' ' + hostsfile self.mpihalt += ' ' + hostsfile # Finalize mpiboot and mpihalt commands if self.mpiboot != None: self.mpiboot += '|| exit $?' # Info commands self.info_cmds = ['laminfo -all'] #--------------------------------------------------------------------------- def __init_bgl__(self, p, resource_info=None, wdir = None): """ Initialize for Blue Gene/L environment. """ # Set base executable path self.mpiexec = '/bgl/BlueLight/ppcfloor/bglsys/mpi/mpirun' # Determine processor count and MPMD handling self.mpiexec_n = None self.mpmd = MPI_MPMD_execve # Other options to add self.mpiexec_exe = '-exe' self.mpiexec_args = '-args' # Info commands #--------------------------------------------------------------------------- def __init_bgp__(self, p, resource_info=None, wdir = None): """ Initialize for Blue Gene/P environment. """ # Set base executable path self.mpiexec = 'mpiexec' # Determine processor count and MPMD handling launcher_base = os.path.basename(self.mpiexec) self.mpiexec_n = None self.mpmd = MPI_MPMD_configfile # Other options to add # Info commands #--------------------------------------------------------------------------- def __init_hp_mpi__(self, p, resource_info=None, wdir = None): """ Initialize for HP MPI environment. The last version of HP MPI is version 2.3, released early 2009. HP MPI was then acquired by Platform MPI (formerly Scali MPI), which merged Scali MPI and HP MPI in Platform MPI 8.0. Platform MPI still seems to use the mpirun launcher syntax. """ # Determine base executable paths self.mpiexec = 'mpirun' for d in p: if not os.path.isabs(self.mpiexec): absname = os.path.join(d, self.mpiexec) if os.path.isfile(absname): if d == self.bindir: self.mpiexec = absname break # Determine processor count and MPMD handling self.mpmd = MPI_MPMD_script self.mpiexec_n = '-np' # Determine options to add # If resource manager is used, add options if resource_info != None: if resource_info.manager == 'SLURM': self.mpiexec += ' -srun' self.mpiexec_n = None elif resource_info.manager == 'LSF': self.mpiexec += ' -lsb_hosts' # Info commands #--------------------------------------------------------------------------- def __init_mpibull2__(self, p, resource_info=None, wdir = None): """ Initialize for MPIBULL2 environment. """ self.__init_mpich2__(p, resource_info) # On a Bull Novascale machine using MPIBULL2 (based on MPICH2), # mpdboot and mpdallexit commands and related mpiexec may be found, # but the SLURM srun launcher or mpibull2-launch meta-launcher # (which can integrate directly to several resource managers # using prun, srun, orterun, or mprun) should be simpler to use. # The SLURM configuration is slightly different from that of MPICH2. if resource_info != None: if resource_info.manager == 'SLURM': self.mpiexec = 'srun' self.mpmd = MPI_MPMD_script self.mpiexec_n = None self.mpiboot = None self.mpihalt = None elif resource_info.manager != None: err_str = 'Resource manager type ' + resource_info.manager \ + ' options not handled yet for MPIBULL2.' raise ValueError(err_str) # Info commands self.info_cmds = ['mpibull2-version'] #--------------------------------------------------------------------------- def __init_other__(self, p, resource_info=None, wdir = None): """ Initialize MPI environment info for environments not handled in one the the previous cases. """ # If possible, select launcher based on resource manager or # specific systems (would be better done in derived classes, # but these are cases on systems we have used in the past # but do not currently have access to). if os.uname()[0] == 'OSF1': if abs_exec_path('prun') != None: self.mpiexec = 'prun' self.mpiexec_n = ' -n ' elif os.uname()[0] == 'AIX': if abs_exec_path('poe') != None: self.mpiexec = 'poe' self.mpiexec_n = None self.mpmd = MPI_MPMD_script #--------------------------------------------------------------------------- def info(self): """ Outputs MPI environment information in known cases. """ output = '' if self.info_cmds != None: for cmd in self.info_cmds: output += get_command_output(cmd) + '\n' return output #--------------------------------------------------------------------------- def unset_mpmd_mode(self, mpi_mpmd_mode): """ Unset mask allowing a given mpmd mode. """ if self.mpmd & mpi_mpmd_mode: self.mpmd = self.mpmd ^ mpi_mpmd_mode #------------------------------------------------------------------------------- # Execution environment (including MPI, OpenMP, ...) #------------------------------------------------------------------------------- class exec_environment: #--------------------------------------------------------------------------- def __init__(self, wdir=None, n_procs=None, hosts_list=None): """ Returns Execution environment. """ if sys.platform == 'win32' or sys.platform == 'win64': self.user = os.getenv('USERNAME') else: self.user = os.getenv('USER') self.wdir = wdir if self.wdir == None: self.wdir = os.getcwd() self.resources = resource_info(n_procs, hosts_list) self.mpi_env = None # Associate default launcher and associated options based on # known MPI types, use default otherwise self.mpi_env = mpi_environment(self.resources, wdir) #------------------------------------------------------------------------------- if __name__ == '__main__': e = exec_environment() mpi_env = mpi_environment() print('mpi_env.bindir = ', mpi_env.bindir) print('mpi_env.mpiexec = ', mpi_env.mpiexec) print('mpi_env.mpiexec_args = ', mpi_env.mpiexec_args) print('mpi_env.mpiexec_exe = ', mpi_env.mpiexec_exe) print('mpi_env.mpiexec_n = ', mpi_env.mpiexec_n) print('mpi_env.gen_hostsfile = ', mpi_env.gen_hostsfile) print('mpi_env.del_hostsfile = ', mpi_env.del_hostsfile) print('mpi_env.mpiboot = ', mpi_env.mpiboot) print('mpi_env.mpihalt = ', mpi_env.mpihalt) print('mpi_env.info_cmds = ', mpi_env.info_cmds) print('mpi_env.mpmd = ', mpi_env.mpmd) print('mpi_env.type = ', mpi_env.type) print(mpi_env.info()) #------------------------------------------------------------------------------- # End #-------------------------------------------------------------------------------