GaudiMP.pTools.Syncer Class Reference

Inheritance diagram for GaudiMP.pTools.Syncer:

Collaboration diagram for GaudiMP.pTools.Syncer:

Public Member Functions
def	__init__ (self, nWorkers, log, manyEvents=False, limit=None, step=None, firstEvent=None)
def	syncAll (self, step="Not specified")
def	syncAllRolling (self)
def	processHang (self)
def	checkAll (self)
def	checkLastEvents (self)

Public Attributes
	limit
	step
	d
	manyEvents
	limitFirst
	keys
	nWorkers
	log

Detailed Description

Definition at line 591 of file pTools.py.

Constructor & Destructor Documentation

def GaudiMP.pTools.Syncer.__init__	(		self,
			nWorkers,
			log,
			manyEvents = False,
			limit = None,
			step = None,
			firstEvent = None
	)

Definition at line 598 of file pTools.py.

                 firstEvent=None):
        # Class to help synchronise the sub-processes
        self.limit = limit
        self.step = step
        self.d = {}
        self.manyEvents = manyEvents

        for i in xrange(-2, nWorkers):
            self.d[i] = SyncMini(Event(), lastEvent=Event())
            if self.manyEvents:
                self.limitFirst = firstEvent

        self.keys = self.d.keys()
        self.nWorkers = nWorkers
        self.log = log

Member Function Documentation

def GaudiMP.pTools.Syncer.checkAll

(

self

)

Definition at line 704 of file pTools.py.

    def checkAll(self):
        # Check the status of each Sync object
        # return True or False
        currentStatus = [mini.check() for mini in self.d.values()]
        return all(currentStatus)

def GaudiMP.pTools.Syncer.checkLastEvents

(

self

)

Definition at line 710 of file pTools.py.

    def checkLastEvents(self):
        # check if all of the lastEvents are set to true in self.d[k][1]
        stat = [sMini.checkLast() for sMini in self.d.values()]
        return all(stat)


# =========================== Methods =========================================

def GaudiMP.pTools.Syncer.processHang

(

self

)

Definition at line 698 of file pTools.py.

    def processHang(self):
        self.log.critical('Some proc is hanging during Event processing!')
        for k in self.keys:
            self.log.critical("Proc/Stat : %i / %s" % (k, self.d[k].check()))
        return

def GaudiMP.pTools.Syncer.syncAll	(		self,
			step = "Not specified"
	)

Definition at line 614 of file pTools.py.

    def syncAll(self, step="Not specified"):
        # is it this method, or is it the rolling version needed?
        # if so, drop through...

        if self.manyEvents:
            sc = self.syncAllRolling()
            return sc

        # Regular version ----------------------------
        for i in xrange(0, self.limit, self.step):
            if self.checkAll():
                self.log.info('%s : All procs done @ %i s' % (step, i))
                break
            else:
                time.sleep(self.step)

        # Now the time limit is up... check the status one final time
        if self.checkAll():
            self.log.info("All processes : %s ok." % (step))
            return SUCCESS
        else:
            self.log.critical('Some process is hanging on : %s' % (step))
            for k in self.keys:
                hangString = "%s : Proc/Stat : %i/%s" % (step, k,
                                                         self.d[k].check())
                self.log.critical(hangString)
            return FAILURE

def GaudiMP.pTools.Syncer.syncAllRolling

(

self

)

Definition at line 642 of file pTools.py.

    def syncAllRolling(self):
        # Keep track of the progress of Event processing
        # Each process syncs after each event, so keep clearing
        #  the sync Event, and re-checking
        # Note the time between True checks too, if the time
        #  between events exceeds singleEvent, this is considered a hang

        # set the initial time
        begin = time.time()
        firstEv = {}
        timers = {}
        for k in self.keys:
            self.d[k].reset()
            firstEv[k] = False
            timers[k] = 0.0

        active = self.keys
        while True:
            # check the status of each sync object
            for k in active:
                sMini = self.d[k]

                if sMini.check() or sMini.checkLast():
                    if sMini.checkLast() and sMini.check():
                        # if last Event set,then event loop finished
                        active.remove(k)
                        alive = time.time() - begin
                        self.log.info(
                            "Audit : Node %i alive for %5.2f" % (k, alive))
                    else:
                        sMini.reset()
                else:
                    # the event still has not been checked, how long is that?
                    # is it the first Event?
                    wait = time.time() - sMini.getTime()
                    cond = wait > self.limit
                    if not firstEv[k]:
                        cond = wait > self.limitFirst
                        firstEv[k] = True
                    if cond:
                        # It is hanging!
                        self.log.critical('Single event wait : %5.2f' % (wait))
                        self.processHang()
                        return FAILURE

            # Termination Criteria : if all procs have been removed, we're done
            if self.checkLastEvents():
                self.log.info('TC met for event loop')
                break
            else:
                # sleep, loop again
                time.sleep(self.step)

        self.log.info("All processes Completed all Events ok")
        return SUCCESS

Member Data Documentation

GaudiMP.pTools.Syncer.d

Definition at line 602 of file pTools.py.

GaudiMP.pTools.Syncer.keys

Definition at line 610 of file pTools.py.

GaudiMP.pTools.Syncer.limit

Definition at line 600 of file pTools.py.

GaudiMP.pTools.Syncer.limitFirst

Definition at line 608 of file pTools.py.

GaudiMP.pTools.Syncer.log

Definition at line 612 of file pTools.py.

GaudiMP.pTools.Syncer.manyEvents

Definition at line 603 of file pTools.py.

GaudiMP.pTools.Syncer.nWorkers

Definition at line 611 of file pTools.py.

GaudiMP.pTools.Syncer.step

Definition at line 601 of file pTools.py.

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The documentation for this class was generated from the following file:

• GaudiMP/python/GaudiMP/pTools.py