From 6568b37aa57568c2ddae9493682a19f0da2b2f98 Mon Sep 17 00:00:00 2001
From: Samo Penic <samo.penic@gmail.com>
Date: Thu, 02 Jun 2016 21:00:55 +0000
Subject: [PATCH] questionable commit -- the ETA is calculated using only last two entries in statistics. That solves the problem of restarting; however, it can happen that the precision of ETA is bad
---
python/trisurf/trisurf.py | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++--
1 files changed, 50 insertions(+), 2 deletions(-)
diff --git a/python/trisurf/trisurf.py b/python/trisurf/trisurf.py
index 8b36d27..3a1689e 100644
--- a/python/trisurf/trisurf.py
+++ b/python/trisurf/trisurf.py
@@ -212,8 +212,40 @@
lines=0
f.close()
return lines
-
+
+ def tail(self,filename,n=2):
+ with open(filename,'r') as myfile:
+ lines=myfile.readlines()
+ return [lines[len(lines)-2].replace('\n',''),lines[len(lines)-1].replace('\n','')]
+
def read(self):
+ try:
+ lines=self.tail(self.fullname)
+ except:
+ return(False)
+ if len(lines)<2:
+ return(False)
+ #print (line)
+ fields=shlex.split(lines[0])
+ epoch1=fields[0]
+ n1=fields[1]
+
+ fields=shlex.split(lines[1])
+ epoch2=fields[0]
+ n2=fields[1]
+ try:
+ self.dT=int(epoch2)-int(epoch1)
+ self.last=n2
+ print(epoch1)
+ print(epoch2)
+ print(self.dT)
+ print(self.last)
+ self.startDate=os.path.getmtime(os.path.join(self.path,'.lock'))
+ except:
+ return(False)
+ return(True)
+
+ def read_old(self):
'''
Method read() reads the statistics if it exists. It sets local variable dT storing the time differential between two intervals of simulation (outer loops). It also stores last simulation loop and the start of the run.
'''
@@ -382,10 +414,18 @@
return
cwd=Directory(maindir=os.getcwd())
+ lastVTU=self.getLastVTU() #we get last VTU file in case we need to continue the simulation from last snapshot. Need to be done before the Dir.goto() call.
self.Dir.goto()
print("Starting trisurf-ng executable in "+self.Dir.fullpath())
if(self.fromSnapshot==True):
- params=["trisurf", "--restore-from-vtk","initial_snapshot.vtu"]+self.runArgs
+ #here we try to determine whether we should continue the simulation or start from last known VTU snapshot.
+ if(lastVTU==None):
+ initSnap="initial_snapshot.vtu"
+ else:
+ initSnap=lastVTU
+ print("WARNING: Not using initial snapshot as starting point, but selecting "+initSnap+" as a starting vesicle")
+ params=["trisurf", "--restore-from-vtk",initSnap]+self.runArgs
+ print("InitSnap is: "+initSnap)
else:
#veify if dump exists. If not it is a first run and shoud be run with --force-from-tape
if(os.path.isfile("dump.bin")==False):
@@ -451,6 +491,14 @@
self.Comment=FileContent(os.path.join(self.Dir.fullpath(),".comment"))
self.Comment.writefile(data,mode=mode)
+
+ def getLastVTU(self):
+ vtuidx=self.getLastIteration()
+ if vtuidx<0:
+ return None
+ else:
+ return 'timestep_{:06d}.vtu'.format(vtuidx)
+
def __str__(self):
if(self.getStatus()==0):
str=" not running."
--
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