def __init__(self, exp, run_no, run_src, **kwargs):
""" Parallel read using Legion """
super(RunLegion,
self).__init__(exp,
run_no,
max_events=kwargs['max_events'],
batch_size=kwargs['batch_size'],
filter_callback=kwargs['filter_callback'],
prom_man=kwargs['prom_man'])
xtc_files, smd_files, other_files = run_src
# get Configure and BeginRun using SmdReader
self.smd_fds = np.array(
[os.open(smd_file, os.O_RDONLY) for smd_file in smd_files],
dtype=np.int32)
self.smdr_man = SmdReaderManager(self)
self.configs = self.smdr_man.get_next_dgrams()
self.beginruns = self.smdr_man.get_next_dgrams(configs=self.configs)
self._get_runinfo()
self.smd_dm = DgramManager(smd_files, configs=self.configs)
self.dm = DgramManager(xtc_files, configs=self.smd_dm.configs)
super()._set_configinfo()
super()._set_calibconst()
self.esm = EnvStoreManager(self.configs, 'epics', 'scan')
def __init__(self, run, get_smd=0):
self.run = run
self.get_smd = get_smd # RunParallel
if not self.get_smd:
self._smdr_man = SmdReaderManager(run) # RunSerial
self._evt_man = iter([])
self._batch_iter = iter([])
self.flag_empty_smd_batch = False
def run_smd0_task(run):
global_procs = legion.Tunable.select(legion.Tunable.GLOBAL_PYS).get()
smdr_man = SmdReaderManager(run.smd_dm.fds, run.max_events)
for i, (smd_chunk, update_chunk) in enumerate(smdr_man.chunks()):
run_smd_task(smd_chunk, run, point=i)
# Block before returning so that the caller can use this task's future for synchronization
legion.execution_fence(block=True)
def __init__(self, run, get_smd=0, dm=None):
self.run = run
self.get_smd = get_smd # RunParallel
self.dm = dm # RunSingleFile, RunShmem
if self.get_smd == 0 and self.dm is None:
self._smdr_man = SmdReaderManager(run) # RunSerial
self._evt_man = iter([])
self._batch_iter = iter([])
self.flag_empty_smd_batch = False
def steps(self):
current_step_pos = 0
""" Generates events between steps. """
smdr_man = SmdReaderManager(self.smd_dm.fds, self.max_events)
for i, (smd_chunk, step_chunk) in enumerate(smdr_man.chunks()):
# Update step stores
step_pf = PacketFooter(view=step_chunk)
step_views = step_pf.split_packets()
self.epics_store.update(step_views)
self.step_store.update(step_views)
eb_man = EventBuilderManager(smd_chunk, self.configs, \
batch_size=self.batch_size, filter_fn=self.filter_callback)
for i, step_dgram in enumerate(
self.step_store.dgrams(from_pos=current_step_pos + 1)):
if step_dgram:
limit_ts = step_dgram.seq.timestamp()
current_step_pos += 1
else:
limit_ts = -1
yield Step(self, eb_man=eb_man, limit_ts=limit_ts)
def events(self):
ev_man = EventManager(self.configs, self.dm, \
filter_fn=self.filter_callback)
#get smd chunks
smdr_man = SmdReaderManager(self.smd_dm.fds, self.max_events)
for (smd_chunk, step_chunk) in smdr_man.chunks():
# Update epics_store for each chunk
step_pf = PacketFooter(view=step_chunk)
step_views = step_pf.split_packets()
self.epics_store.update(step_views)
eb_man = EventBuilderManager(smd_chunk,
self.configs,
batch_size=self.batch_size,
filter_fn=self.filter_callback)
for batch_dict in eb_man.batches():
batch, _ = batch_dict[
0] # there's only 1 dest_rank for serial run
for evt in ev_man.events(batch):
if evt._dgrams[0].seq.service() != 12: continue
yield evt
def __init__(self, run):
self.smdr_man = SmdReaderManager(run)
self.run = run
self.step_hist = StepHistory(self.run.comms.smd_size,
len(self.run.configs))
self.run_mpi()
def __init__(self, comms, exp, run_no, run_src, **kwargs):
""" Parallel read requires that rank 0 does the file system works.
Configs and calib constants are sent to other ranks by MPI.
Note that destination callback only works with RunParallel.
"""
super(RunParallel,
self).__init__(exp,
run_no,
max_events=kwargs['max_events'],
batch_size=kwargs['batch_size'],
filter_callback=kwargs['filter_callback'],
destination=kwargs['destination'],
prom_man=kwargs['prom_man'])
xtc_files, smd_files, other_files = run_src
self.comms = comms
psana_comm = comms.psana_comm # TODO tjl and cpo to review
rank = psana_comm.Get_rank()
size = psana_comm.Get_size()
g_ts = self.prom_man.get_metric("psana_timestamp")
if rank == 0:
# get Configure and BeginRun using SmdReader
self.smd_fds = np.array(
[os.open(smd_file, os.O_RDONLY) for smd_file in smd_files],
dtype=np.int32)
self.smdr_man = SmdReaderManager(self)
self.configs = self.smdr_man.get_next_dgrams()
g_ts.labels("first_event").set(time.time())
self.beginruns = self.smdr_man.get_next_dgrams(
configs=self.configs)
self._get_runinfo()
self.smd_dm = DgramManager(smd_files,
configs=self.configs,
run=self,
fds=self.smd_fds)
self.dm = DgramManager(xtc_files,
configs=self.smd_dm.configs,
run=self)
nbytes = np.array([memoryview(config).shape[0] for config in self.configs], \
dtype='i')
super()._set_configinfo()
super()._set_calibconst()
self.bcast_packets = {'calibconst': self.calibconst, \
'expt': self.expt, 'runnum': self.runnum, 'timestamp': self.timestamp}
else:
self.smd_dm = None
self.dm = None
self.configs = None
nbytes = np.empty(len(smd_files), dtype='i')
self.bcast_packets = None
# Send configs without pickling
psana_comm.Bcast(nbytes, root=0) # no. of bytes is required for mpich
if rank > 0:
self.configs = [np.empty(nbyte, dtype='b') for nbyte in nbytes]
for i in range(len(self.configs)):
psana_comm.Bcast([self.configs[i], nbytes[i], MPI.BYTE], root=0)
# Send other small things using small-case bcast
self.bcast_packets = psana_comm.bcast(self.bcast_packets, root=0)
if rank > 0:
self.configs = [
dgram.Dgram(view=config, offset=0) for config in self.configs
]
g_ts.labels("first_event").set(time.time())
self.dm = DgramManager(xtc_files, configs=self.configs, run=self)
super()._set_configinfo(
) # after creating a dgrammanger, we can setup config info
self.calibconst = self.bcast_packets['calibconst']
self.expt = self.bcast_packets['expt']
self.runnum = self.bcast_packets['runnum']
self.timestamp = self.bcast_packets['timestamp']
self.esm = EnvStoreManager(self.configs, 'epics', 'scan')
def __init__(self, run):
self.smdr_man = SmdReaderManager(run.smd_dm.fds, run.max_events)
self.run = run
self.epics_man = UpdateManager(smd_size, self.run.epics_store.n_files)
self.run_mpi()
def smd_chunks(run):
smdr_man = SmdReaderManager(run)
for smd_chunk, update_chunk in smdr_man.chunks():
yield smd_chunk
import os, glob
from psana.psexp.smdreader_manager import SmdReaderManager
class Container(object):
pass
class Run(object):
def __init__(self):
filenames = glob.glob(
'/reg/neh/home/monarin/lcls2/psana/psana/tests/.tmp_smd0/.tmp/smalldata/*.xtc2'
)
fds = [os.open(f, os.O_RDONLY) for f in filenames]
self.smd_dm = Container()
setattr(self.smd_dm, 'fds', fds)
self.max_events = 1000
if __name__ == "__main__":
run = Run()
os.environ['PS_SMD_N_EVENTS'] = "1"
smdr_man = SmdReaderManager(run)
for chunk in smdr_man.chunks():
smd_chunk, step_chunk = chunk
print(
f'{memoryview(smd_chunk).nbytes} {memoryview(step_chunk).nbytes}')