Пример #1
0
    def __init__(self, sim_manager, plugin_config):
        super(WExploreDriver, self).__init__()

        if not sim_manager.work_manager.is_master:
            return

        self.sim_manager = sim_manager
        self.data_manager = sim_manager.data_manager
        self.system = sim_manager.system
        self.we_driver = sim_manager.we_driver
        self.priority = plugin_config.get('priority', 0)

        self.init_from_data = check_bool(
            plugin_config.get('init_from_data', True))

        self.max_replicas = self.system.max_replicas

        # Initialize bin mapper from data in h5 file if available
        bin_mapper = self.init_bin_mapper()

        if bin_mapper:
            self.system.bin_mapper = bin_mapper

        # Register callback
        sim_manager.register_callback(sim_manager.pre_we, self.pre_we,
                                      self.priority)
Пример #2
0
    def __init__(self, sim_manager, plugin_config):
        super(WExploreDriver, self).__init__()

        if not sim_manager.work_manager.is_master:
                return

        print(sim_manager)
        self.sim_manager = sim_manager
        self.data_manager = sim_manager.data_manager
        self.system = sim_manager.system
        self.we_driver = sim_manager.we_driver
        self.priority = plugin_config.get('priority', 0)

        self.init_from_data = check_bool(plugin_config.get('init_from_data', True))

        self.max_replicas = self.system.max_replicas

        # Initialize bin mapper from data in h5 file if available
        bin_mapper = self.init_bin_mapper()

        print(bin_mapper)
        if bin_mapper:
            self.system.bin_mapper = bin_mapper
            self.we_driver.bin_mapper = bin_mapper

        # Register callback
        sim_manager.register_callback(sim_manager.pre_we, self.pre_we, self.priority)
        self.we_driver.register_callback(self.we_driver.post_recycle, self.target_counts, self.priority)
        sim_manager.register_callback(sim_manager.pre_prepare_iteration, self.target_counts, self.priority)
Пример #3
0
    def __init__(self, sim_manager, plugin_config):
        if not sim_manager.work_manager.is_master:
            return

        self.sim_manager = sim_manager
        self.data_manager = sim_manager.data_manager
        self.system = sim_manager.system
        self.work_manager = sim_manager.work_manager

        self.do_reweight = check_bool(
            plugin_config.get('do_reweighting', False))
        self.windowsize = 0.5
        self.windowtype = 'fraction'

        windowsize = plugin_config.get('window_size')
        if windowsize is not None:
            if isinstance(windowsize, float):
                self.windowsize = windowsize
                self.windowtype = 'fraction'
                if self.windowsize <= 0 or self.windowsize > 1:
                    raise ValueError(
                        'WESS parameter error -- fractional window size must be in (0,1]'
                    )
            elif isinstance(windowsize, int):
                self.windowsize = int(windowsize)
                self.windowtype = 'fixed'
            else:
                raise ValueError(
                    'WESS parameter error -- invalid window size {!r}'.format(
                        windowsize))
        log.info('using window size of {!r} ({})'.format(
            self.windowsize, self.windowtype))

        self.max_windowsize = plugin_config.get('max_window_size')
        if self.max_windowsize is not None:
            log.info('Using max windowsize of {:d}'.format(
                self.max_windowsize))

        self.reweight_period = plugin_config.get('reweight_period', 0)
        self.priority = plugin_config.get('priority', 0)

        self.rate_calc_queue_size = plugin_config.get('rate_calc_queue_size',
                                                      1)
        self.rate_calc_n_blocks = plugin_config.get('rate_calc_n_blocks', 1)

        if self.do_reweight:
            sim_manager.register_callback(sim_manager.prepare_new_iteration,
                                          self.prepare_new_iteration,
                                          self.priority)

        self.write_matrices = plugin_config.get('write_matrices', False)
Пример #4
0
    def __init__(self, sim_manager, plugin_config):

        if not sim_manager.work_manager.is_master:
            return

        self.sim_manager = sim_manager
        self.data_manager = sim_manager.data_manager
        self.system = sim_manager.system

        # Parameters from config file
        # this enables the adaptive voronoi, allows turning adaptive scheme off
        self.doAdaptiveVoronoi = check_bool(
            plugin_config.get('av_enabled', False))
        # sets maximim number of centers/voronoi bins
        self.max_centers = plugin_config.get('max_centers', 10)
        # sets number of walkers per bin/voronoi center
        self.walk_count = plugin_config.get('walk_count', 5)
        # center placement frequency in number of iterations
        self.center_freq = plugin_config.get('center_freq', 1)
        # priority of the plugin (allows for order of execution)
        self.priority = plugin_config.get('priority', 0)
        # pulls the distance function that will be used by the plugin
        self.dfunc = self.get_dfunc_method(plugin_config)
        # pulls a user defined function to build the next bin mapper
        self.mapper_func = self.get_mapper_func(plugin_config)

        # Get initial set of Voronoi centers
        self.centers = self.get_initial_centers()
        self.ncenters = len(self.centers)

        # Update the BinMapper
        self.update_bin_mapper()

        westpa.rc.pstatus('-adaptive voronoi mapping --------------\n')
        westpa.rc.pstatus('enabled: {}\n'.format(self.doAdaptiveVoronoi))
        westpa.rc.pstatus('max centers: {}\n'.format(self.max_centers))
        westpa.rc.pstatus('center adding freq: {}\n'.format(self.center_freq))
        westpa.rc.pstatus('centers: {}\n'.format(self.centers))
        westpa.rc.pstatus('----------------------------------------\n')
        westpa.rc.pflush()

        # Register callback
        if self.doAdaptiveVoronoi:
            sim_manager.register_callback(sim_manager.prepare_new_iteration,
                                          self.prepare_new_iteration,
                                          self.priority)
Пример #5
0
    def __init__(self, sim_manager, plugin_config):

        if not sim_manager.work_manager.is_master:
                return

        self.sim_manager = sim_manager
        self.data_manager = sim_manager.data_manager
        self.system = sim_manager.system

        # Parameters from config file
        # this enables the adaptive voronoi, allows turning adaptive scheme off
        self.doAdaptiveVoronoi = \
             check_bool(plugin_config.get('av_enabled', False))
        # sets maximim number of centers/voronoi bins
        self.max_centers = plugin_config.get('max_centers', 10)
        # sets number of walkers per bin/voronoi center
        self.walk_count = plugin_config.get('walk_count', 5)
        # center placement frequency in number of iterations
        self.center_freq = plugin_config.get('center_freq', 1)
        # priority of the plugin (allows for order of execution)
        self.priority = plugin_config.get('priority', 0)
        # pulls the distance function that will be used by the plugin
        self.dfunc = self.get_dfunc_method(plugin_config)
        # pulls a user defined function to build the next bin mapper
        self.mapper_func = self.get_mapper_func(plugin_config)

        # Get initial set of Voronoi centers
        self.centers = self.get_initial_centers()
        self.ncenters = len(self.centers)

        # Update the BinMapper
        self.update_bin_mapper()

        westpa.rc.pstatus('-adaptive voronoi mapping --------------\n')
        westpa.rc.pstatus('enabled: {}\n'.format(self.doAdaptiveVoronoi))
        westpa.rc.pstatus('max centers: {}\n'.format(self.max_centers))
        westpa.rc.pstatus('center adding freq: {}\n'.format(self.center_freq))
        westpa.rc.pstatus('centers: {}\n'.format(self.centers))
        westpa.rc.pstatus('----------------------------------------\n')
        westpa.rc.pflush()

        # Register callback
        if self.doAdaptiveVoronoi:
            sim_manager.register_callback(sim_manager.prepare_new_iteration,
                                  self.prepare_new_iteration, self.priority)
Пример #6
0
    def __init__(self, sim_manager, plugin_config):
        if not sim_manager.work_manager.is_master:
            return

        self.sim_manager = sim_manager
        self.data_manager = sim_manager.data_manager
        self.system = sim_manager.system
        self.work_manager = sim_manager.work_manager

        self.do_reweight = check_bool(plugin_config.get('do_reweighting', False))
        self.windowsize = 0.5
        self.windowtype = 'fraction'

        windowsize = plugin_config.get('window_size')
        if windowsize is not None:
            if isinstance(windowsize,float):
                self.windowsize = windowsize
                self.windowtype = 'fraction'
                if self.windowsize <= 0 or self.windowsize > 1:
                    raise ValueError('WESS parameter error -- fractional window size must be in (0,1]')
            elif isinstance(windowsize,(int,long)):
                self.windowsize = int(windowsize)
                self.windowtype = 'fixed'
            else:
                raise ValueError('WESS parameter error -- invalid window size {!r}'.format(windowsize))
        log.info('using window size of {!r} ({})'.format(self.windowsize, self.windowtype))

        self.max_windowsize = plugin_config.get('max_window_size')
        if self.max_windowsize is not None:
            log.info('Using max windowsize of {:d}'.format(self.max_windowsize))

        self.reweight_period = plugin_config.get('reweight_period', 0)
        self.priority = plugin_config.get('priority', 0)

        self.rate_calc_queue_size = plugin_config.get('rate_calc_queue_size', 1)
        self.rate_calc_n_blocks = plugin_config.get('rate_calc_n_blocks', 1)

        if self.do_reweight:
            sim_manager.register_callback(sim_manager.prepare_new_iteration,self.prepare_new_iteration, self.priority)
            
        self.write_matrices = plugin_config.get('write_matrices', False)
Пример #7
0
    def __init__(self, rc=None):
        super(ExecutablePropagator,self).__init__(rc)
            
        # A mapping of environment variables to template strings which will be
        # added to the environment of all children launched.
        self.addtl_child_environ = dict()
        
        # A mapping of executable name ('propagator', 'pre_iteration', 'post_iteration') to 
        # a dictionary of attributes like 'executable', 'stdout', 'stderr', 'environ', etc.
        self.exe_info = {}
        self.exe_info['propagator'] = {}
        self.exe_info['pre_iteration'] = {}
        self.exe_info['post_iteration'] = {}
        self.exe_info['get_pcoord'] = {}
        self.exe_info['gen_istate'] = {}
        
        # A mapping of data set name ('pcoord', 'coord', 'com', etc) to a dictionary of
        # attributes like 'loader', 'dtype', etc
        self.data_info = {}
        self.data_info['pcoord'] = {}

        # Validate configuration 
        config = self.rc.config
        
        for key in [('west','executable','propagator','executable'),
                    ('west','data','data_refs','segment'),
                    ('west','data','data_refs','basis_state'),
                    ('west','data','data_refs','initial_state')]:
            config.require(key)
 
        self.segment_ref_template       = config['west','data','data_refs','segment']
        self.basis_state_ref_template   = config['west','data','data_refs','basis_state']
        self.initial_state_ref_template = config['west','data','data_refs','initial_state']
        
        # Load additional environment variables for all child processes
        self.addtl_child_environ.update({k:str(v) for k,v in (config['west','executable','environ'] or {}).iteritems()})
        
        
        # Load configuration items relating to child processes
        for child_type in ('propagator', 'pre_iteration', 'post_iteration', 'get_pcoord', 'gen_istate'):
            child_info = config.get(['west','executable',child_type])
            if not child_info:
                continue
            
            info_prefix = ['west', 'executable', child_type]
            
            # require executable to be specified if anything is specified at all
            config.require(info_prefix+['executable'])
            
            self.exe_info[child_type]['executable'] = child_info['executable']
            self.exe_info[child_type]['stdin']  = child_info.get('stdin', os.devnull)
            self.exe_info[child_type]['stdout'] = child_info.get('stdout', None)
            self.exe_info[child_type]['stderr'] = child_info.get('stderr', None)
            self.exe_info[child_type]['cwd'] = child_info.get('cwd', None)
            
            if child_type not in ('propagator', 'get_pcoord', 'gen_istate'):
                self.exe_info[child_type]['enabled'] = child_info.get('enabled',True)
            else:
                # for consistency, propagator, get_pcoord, and gen_istate can never be disabled
                self.exe_info[child_type]['enabled'] = True
            
            # apply environment modifications specific to this executable
            self.exe_info[child_type]['environ'] = {k:str(v) for k,v in (child_info.get('environ') or {}).iteritems()}
            
        log.debug('exe_info: {!r}'.format(self.exe_info))
        
        # Load configuration items relating to dataset input
        self.data_info['pcoord'] = {'name': 'pcoord',
                                    'loader': pcoord_loader,
                                    'enabled': True,
                                    'filename': None}
        dataset_configs = config.get(['west', 'executable', 'datasets']) or []
        for dsinfo in dataset_configs:
            try:
                dsname = dsinfo['name']
            except KeyError:
                raise ValueError('dataset specifications require a ``name`` field')
            
            if dsname != 'pcoord':
                check_bool(dsinfo.setdefault('enabled', True))
            else:
                # can never disable pcoord collection
                dsinfo['enabled'] = True
            
            loader_directive = dsinfo.get('loader')
            if loader_directive:
                loader = get_object(loader_directive)
            elif dsname != 'pcoord':
                loader = aux_data_loader
                
            dsinfo['loader'] = loader
            self.data_info.setdefault(dsname,{}).update(dsinfo)
                                                    
        log.debug('data_info: {!r}'.format(self.data_info))
Пример #8
0
    def __init__(self, sim_manager, plugin_config):
        super(StringDriver, self).__init__()

        if not sim_manager.work_manager.is_master:
            return

        self.sim_manager = sim_manager
        self.data_manager = sim_manager.data_manager
        self.system = sim_manager.system

        # Parameters from config file
        self.windowsize = plugin_config.get('windowsize', 10)
        self.update_interval = plugin_config.get('update_interval', 10)
        self.initial_update = plugin_config.get('initial_update', 20)
        self.priority = plugin_config.get('priority', 0)

        self.write_avg_pos = check_bool(plugin_config.get(
            'write_avgpos', True))
        self.do_update = check_bool(plugin_config.get('do_update', True))
        self.init_from_data = check_bool(
            plugin_config.get('init_from_data', True))

        self.dfunc = self.get_dfunc_method(plugin_config)

        # Load method to calculate average position in a bin
        # If the method is defined in an external module, correctly bind it
        ap = self.get_avgpos_method(plugin_config)
        if hasattr(ap, 'im_class'):
            self.get_avgpos = ap
        else:
            self.get_avgpos = types.MethodType(ap, self)

        # Get initial set of string centers
        centers = self.get_initial_centers()

        try:
            sm_params = self.system.sm_params
        except AttributeError as e:
            log.error('String Driver Error: system does not define sm_params. \
                        This is required and should be added to the system definition; {}'
                      .format(e))
            raise

        # Initialize the string
        str_method = self.get_string_method(plugin_config)

        try:
            self.strings = str_method(centers, **sm_params)
        except (TypeError, AssertionError) as e:
            log.error(
                'String Driver Error: Failed during initialization of string method: {}'
                .format(e))
            raise

        # Update the BinMapper
        self.update_bin_mapper()

        # Register callback
        sim_manager.register_callback(sim_manager.prepare_new_iteration,
                                      self.prepare_new_iteration,
                                      self.priority)

        westpa.rc.pstatus('-westext.stringmethod -----------------\n')
        westpa.rc.pstatus('windowsize: {}\n'.format(self.windowsize))
        westpa.rc.pstatus('update interval: {}\n'.format(self.update_interval))
        westpa.rc.pstatus('initial update: {}\n'.format(self.initial_update))
        westpa.rc.pstatus('priority: {}\n'.format(self.priority))
        westpa.rc.pstatus('write average positions: {}\n'.format(
            self.write_avg_pos))
        westpa.rc.pstatus('do update: {}\n'.format(self.do_update))
        westpa.rc.pstatus('initialize from WE data: {}\n'.format(
            self.init_from_data))
        westpa.rc.pstatus('----------------------------------------\n')
        westpa.rc.pflush()
Пример #9
0
    def __init__(self, sim_manager, plugin_config):
        super(StringDriver, self).__init__()

        if not sim_manager.work_manager.is_master:
            return

        self.work_manager = sim_manager.work_manager
        self.sim_manager = sim_manager
        self.data_manager = sim_manager.data_manager
        self.system = sim_manager.system

        # Parameters from config file
        self.windowsize = plugin_config.get("windowsize", 10)
        self.tensor_windowsize = plugin_config.get("tensor_windowsize", self.windowsize)
        self.update_interval = plugin_config.get("update_interval", 10)
        self.initial_update = plugin_config.get("initial_update", 20)
        self.priority = plugin_config.get("priority", 0)

        self.write_avg_pos = check_bool(plugin_config.get("write_avgpos", True))
        self.do_update = check_bool(plugin_config.get("do_update", True))
        self.init_from_data = check_bool(plugin_config.get("init_from_data", True))

        self.update_metric_tensor = check_bool(plugin_config.get("do_tensor_update", False))

        # Try to load a supplied function to calculate metric tensor, if provided
        #    Otherwise, set 'tensor_func' to None, and take care of it later
        #    NOTE: if no tensor_func provided, will automatically set the metric tensor to None (eg. use default dfunc)
        try:
            methodname = plugin_config["tensor_function"]
            self.tensor_func = extloader.get_object(methodname)
        except:
            self.tensor_func = None

        self.dfunc = self.get_dfunc_method(plugin_config)

        # Load method to calculate average position in a bin
        # If the method is defined in an external module, correctly bind it
        ap = self.get_avgpos_method(plugin_config)
        if hasattr(ap, "im_class"):
            self.get_avgpos = ap
        else:
            self.get_avgpos = types.MethodType(ap, self)

        # Get initial set of string centers
        centers = self.get_initial_centers()
        ndim = centers.shape[1]
        # Grab inverse metric tensor from h5 file or system, if provided - otherwise set to None
        self.inv_tensor = self.get_initial_tensor()

        try:
            sm_params = self.system.sm_params
        except AttributeError as e:
            log.error(
                "String Driver Error: system does not define sm_params."
                "This is required and should be added to the system definition; {}".format(e)
            )
            raise

        # Initialize the string
        str_method = self.get_string_method(plugin_config)

        try:
            self.strings = str_method(centers, **sm_params)
        except (TypeError, AssertionError) as e:
            log.error("String Driver Error: Failed during initialization of string method: {}".format(e))
            raise

        # Update the BinMapper
        self.update_bin_mapper()

        # Register callback
        sim_manager.register_callback(sim_manager.prepare_new_iteration, self.prepare_new_iteration, self.priority)

        westpa.rc.pstatus("-westext.stringmethod -----------------\n")
        westpa.rc.pstatus("windowsize: {}\n".format(self.windowsize))
        westpa.rc.pstatus("update interval: {}\n".format(self.update_interval))
        westpa.rc.pstatus("initial update: {}\n".format(self.initial_update))
        westpa.rc.pstatus("priority: {}\n".format(self.priority))
        westpa.rc.pstatus("write average positions: {}\n".format(self.write_avg_pos))
        westpa.rc.pstatus("do update: {}\n".format(self.do_update))
        westpa.rc.pstatus("initialize from WE data: {}\n".format(self.init_from_data))
        westpa.rc.pstatus("----------------------------------------\n")
        westpa.rc.pflush()
Пример #10
0
    def __init__(self, sim_manager, plugin_config):
        super(StringDriver, self).__init__()

        if not sim_manager.work_manager.is_master:
                return

        self.sim_manager = sim_manager
        self.data_manager = sim_manager.data_manager
        self.system = sim_manager.system

        # Parameters from config file
        self.windowsize = plugin_config.get('windowsize', 10)
        self.update_interval = plugin_config.get('update_interval', 10)
        self.initial_update = plugin_config.get('initial_update', 20)
        self.priority = plugin_config.get('priority', 0)

        self.write_avg_pos = check_bool(plugin_config.get('write_avgpos', True))
        self.do_update = check_bool(plugin_config.get('do_update', True))
        self.init_from_data = check_bool(plugin_config.get('init_from_data', True))

        self.dfunc = self.get_dfunc_method(plugin_config)

        # Load method to calculate average position in a bin
        # If the method is defined in an external module, correctly bind it
        ap = self.get_avgpos_method(plugin_config)
        if hasattr(ap, 'im_class'):
            self.get_avgpos = ap
        else:
            self.get_avgpos = types.MethodType(ap, self)

        # Get initial set of string centers
        centers = self.get_initial_centers()

        try:
            sm_params = self.system.sm_params
        except AttributeError as e:
            log.error('String Driver Error: system does not define sm_params. \
                        This is required and should be added to the system definition; {}'.format(e))
            raise

        # Initialize the string
        str_method = self.get_string_method(plugin_config)

        try:
            self.strings = str_method(centers, **sm_params)
        except (TypeError, AssertionError) as e:
            log.error('String Driver Error: Failed during initialization of string method: {}'.format(e))
            raise

        # Update the BinMapper
        self.update_bin_mapper()

        # Register callback
        sim_manager.register_callback(sim_manager.prepare_new_iteration, self.prepare_new_iteration, self.priority)

        westpa.rc.pstatus('-westext.stringmethod -----------------\n')
        westpa.rc.pstatus('windowsize: {}\n'.format(self.windowsize))
        westpa.rc.pstatus('update interval: {}\n'.format(self.update_interval))
        westpa.rc.pstatus('initial update: {}\n'.format(self.initial_update))
        westpa.rc.pstatus('priority: {}\n'.format(self.priority))
        westpa.rc.pstatus('write average positions: {}\n'.format(self.write_avg_pos))
        westpa.rc.pstatus('do update: {}\n'.format(self.do_update))
        westpa.rc.pstatus('initialize from WE data: {}\n'.format(self.init_from_data))
        westpa.rc.pstatus('----------------------------------------\n')
        westpa.rc.pflush()