예제 #1
0
파일: relax.py 프로젝트: xusg0915/CASMcode
    def is_converged(self):
        # Check for electronic convergence in completed calculations. Returns True or False.

        # Verify that the last relaxation reached electronic convergence
        relaxation = vasp.Relax(self.calcdir, self.run_settings())
        for i in range(len(relaxation.rundir)):
            try:
                vrun = vasp.io.Vasprun(
                    os.path.join(self.calcdir, relaxation.rundir[-i - 1],
                                 "vasprun.xml"))
                if len(vrun.all_e_0[-1]) >= vrun.nelm:
                    print(
                        'The last relaxation run (' +
                        os.path.basename(relaxation.rundir[-i - 1]) +
                        ') failed to achieve electronic convergence; properties.calc.json will not be written.\n'
                    )
                    self.report_status('failed', 'electronic_convergence')
                    return False
                break
            except:
                pass

        # Verify that the final static run reached electronic convergence
        vrun = vasp.io.Vasprun(
            os.path.join(self.calcdir, "run.final", "vasprun.xml"))
        if len(vrun.all_e_0[0]) >= vrun.nelm:
            print(
                'The final run failed to achieve electronic convergence; properties.calc.json will not be written.\n'
            )
            self.report_status('failed', 'electronic_convergence')
            return False

        return True
예제 #2
0
    def run(self):
        """ Setup input files, run a vasp relaxation, and report results """

        # construct the Relax object
        relaxation = vasp.Relax(self.calcdir, self.run_settings())

        # check the current status
        (status, task) = relaxation.status()


        if status == "complete":
            print "Status:", status
            sys.stdout.flush()

            # mark job as complete in db
            if self.auto:
                try:
                    pbs.complete_job()
                except (pbs.PBSError, pbs.JobDBError, pbs.EligibilityError) as e:
                    print str(e)
                    sys.stdout.flush()

            # write results to output.VASP
            self.report()
            return

        elif status == "not_converging":
            print "Status:", status
            print "Returning"
            sys.stdout.flush()
            return

        elif status == "incomplete":

            if task == "setup":
                self.setup()

            (status, task) = relaxation.run()

        else:
            raise vaspwrapper.VaspWrapperError("unexpected relaxation status: '" + status + "' and task: '" + task + "'")
            sys.stdout.flush()


        # once the run is done, update database records accordingly

        if status == "not_converging":

            # mark error
            if self.auto:
                try:
                    pbs.error_job("Not converging")
                except (pbs.PBSError, pbs.JobDBError) as e:
                    print str(e)
                    sys.stdout.flush()

            print "Not Converging!"
            sys.stdout.flush()

            # print a local settings file, so that the run_limit can be extended if the
            #   convergence problems are fixed
            try:
                os.makedirs(os.path.join(self.configdir, "settings", self.casm_settings["curr_calctype"]))
            except:
                pass
            settingsfile = os.path.join(self.configdir, "settings", self.casm_settings["curr_calctype"], "relax.json")
            vaspwrapper.write_settings(self.settings, settingsfile)

            print "Writing:", settingsfile
            print "Edit the 'run_limit' property if you wish to continue."
            sys.stdout.flush()
            return

        elif status == "complete":

            # mark job as complete in db
            if self.auto:
                try:
                    pbs.complete_job()
                except (pbs.PBSError, pbs.JobDBError, pbs.EligibilityError) as e:
                    print str(e)
                    sys.stdout.flush()

            # write results to output.VASP
            self.report()

        else:
            raise vaspwrapper.VaspWrapperError("vasp relaxation complete with unexpected status: '" + status + "' and task: '" + task + "'")
            sys.stdout.flush()
예제 #3
0
    def submit(self):
        """Submit a PBS job for this VASP relaxation"""

        # first, check if the job has already been submitted and is not completed
        db = pbs.JobDB()
        print "rundir", self.calcdir
        id = db.select_regex_id("rundir", self.calcdir)
        print "id:", id
        sys.stdout.flush()
        if id != []:
            for j in id:
                job = db.select_job(j)
                # taskstatus = ["Incomplete","Complete","Continued","Check","Error:.*","Aborted"]
                # jobstatus = ["C","Q","R","E","W","H","M"]
                if job["jobstatus"] != "C":
                    print "JobID:", job["jobid"], "  Jobstatus:", job["jobstatus"], "  Not submitting."
                    sys.stdout.flush()
                    return
                #elif job["taskstatus"] in ["Complete", "Check"] or re.match( "Error:.*", job["taskstatus"]):
                #    print "JobID:", job["jobid"], "  Taskstatus:", job["taskstatus"], "  Not submitting."
                #    sys.stdout.flush()
                #    return


        # second, only submit a job if relaxation status is "incomplete"

        # construct the Relax object
        relaxation = vasp.Relax(self.calcdir, self.run_settings())

        # check the current status
        (status, task) = relaxation.status()

        if status == "complete":
            print "Status:", status, "  Not submitting."
            sys.stdout.flush()

            # ensure job marked as complete in db
            if self.auto:
                for j in id:
                  job = db.select_job(j)
                  if job["taskstatus"] == "Incomplete":
                      try:
                          pbs.complete_job(jobid=j)
                      except (pbs.PBSError, pbs.JobDBError, pbs.EligibilityError) as e:
                          print str(e)
                          sys.stdout.flush()

            # ensure results report written
            if not os.path.isfile(os.path.join(self.calcdir, "properties.calc.json")):
                self.report()

            return

        elif status == "not_converging":
            print "Status:", status, "  Not submitting."
            sys.stdout.flush()
            return

        elif status != "incomplete":
            raise vaspwrapper.VaspWrapperError("unexpected relaxation status: '" + status + "' and task: '" + task + "'")
            sys.stdout.flush()
            return


        print "Preparing to submit a VASP relaxation PBS job"
        sys.stdout.flush()

        # cd to configdir, submit jobs from configdir, then cd back to currdir
        currdir = os.getcwd()
        os.chdir(self.calcdir)

        # determine the number of atoms in the configuration
        print "  Counting atoms in the POSCAR"
        sys.stdout.flush()
        pos = vasp.io.Poscar(os.path.join(self.configdir,"POS"))
        N = len(pos.basis)

        print "  Constructing a PBS job"
        sys.stdout.flush()
        # construct a pbs.Job
        job = pbs.Job(name=casm.jobname(self.configdir),\
                      account=self.settings["account"],\
                      nodes=int(math.ceil(float(N)/float(self.settings["atom_per_proc"])/float(self.settings["ppn"]))),\
                      ppn=int(self.settings["ppn"]),\
                      walltime=self.settings["walltime"],\
                      pmem=self.settings["pmem"],\
                      qos=self.settings["qos"],\
                      queue=self.settings["queue"],\
                      message=self.settings["message"],\
                      email=self.settings["email"],\
                      priority=self.settings["priority"],\
                      command="python -c \"import casm.vaspwrapper; casm.vaspwrapper.Relax('" + self.configdir + "').run()\"",\
                      auto=self.auto)

        print "  Submitting"
        sys.stdout.flush()
        # submit the job
        job.submit()

        # return to current directory
        os.chdir(currdir)

        print "CASM VASPWrapper relaxation PBS job submission complete\n"
        sys.stdout.flush()