def test_selective_dynamics(self):
output_filename = os.path.join(test_dir, "vasprun.xml.indirect.gz")
vr = Vasprun(output_filename)
# assert that the max force is above the threshold
max_constrained = np.max(np.linalg.norm(vr.ionic_steps[-1]['forces'],
axis=1))
self.assertTrue(max_constrained > 0.5)
handler = MaxForceErrorHandler(output_filename, max_force_threshold=0.5)
self.assertFalse(handler.check())
def test_selective_dynamics(self):
output_filename = os.path.join(test_dir, "vasprun.xml.indirect.gz")
vr = Vasprun(output_filename)
# assert that the max force is above the threshold
max_constrained = np.max(np.linalg.norm(vr.ionic_steps[-1]['forces'],
axis=1))
self.assertTrue(max_constrained > 0.5)
handler = MaxForceErrorHandler(output_filename, max_force_threshold=0.5)
self.assertFalse(handler.check())
def test_check_correct(self):
#NOTE: the vasprun here has had projected and partial eigenvalues removed
subdir = os.path.join(test_dir, "max_force")
os.chdir(subdir)
shutil.copy("INCAR", "INCAR.orig")
shutil.copy("POSCAR", "POSCAR.orig")
h = MaxForceErrorHandler()
self.assertTrue(h.check())
d = h.correct()
self.assertEqual(d["errors"], ['MaxForce'])
os.remove(os.path.join(subdir, "error.1.tar.gz"))
incar = Incar.from_file('INCAR')
poscar = Poscar.from_file('POSCAR')
contcar = Poscar.from_file('CONTCAR')
shutil.move("INCAR.orig", "INCAR")
shutil.move("POSCAR.orig", "POSCAR")
self.assertEqual(poscar.structure, contcar.structure)
self.assertAlmostEqual(incar['EDIFFG'], 0.005)
def test_check_correct(self):
#NOTE: the vasprun here has had projected and partial eigenvalues removed
subdir = os.path.join(test_dir, "max_force")
os.chdir(subdir)
shutil.copy("INCAR", "INCAR.orig")
shutil.copy("POSCAR", "POSCAR.orig")
h = MaxForceErrorHandler()
self.assertTrue(h.check())
d = h.correct()
self.assertEqual(d["errors"], ['MaxForce'])
os.remove(os.path.join(subdir, "error.1.tar.gz"))
incar = Incar.from_file('INCAR')
poscar = Poscar.from_file('POSCAR')
contcar = Poscar.from_file('CONTCAR')
shutil.move("INCAR.orig", "INCAR")
shutil.move("POSCAR.orig", "POSCAR")
self.assertEqual(poscar.structure, contcar.structure)
self.assertAlmostEqual(incar['EDIFFG'], 0.005)
def run_task(self, fw_spec):
handler_groups = {
"default": [
VaspErrorHandler(),
MeshSymmetryErrorHandler(),
UnconvergedErrorHandler(),
NonConvergingErrorHandler(),
PotimErrorHandler(),
PositiveEnergyErrorHandler(),
FrozenJobErrorHandler(),
StdErrHandler(),
DriftErrorHandler()
],
"strict": [
VaspErrorHandler(),
MeshSymmetryErrorHandler(),
UnconvergedErrorHandler(),
NonConvergingErrorHandler(),
PotimErrorHandler(),
PositiveEnergyErrorHandler(),
FrozenJobErrorHandler(),
StdErrHandler(),
AliasingErrorHandler(),
DriftErrorHandler()
],
"md": [VaspErrorHandler(),
NonConvergingErrorHandler()],
"no_handler": []
}
vasp_cmd = env_chk(self["vasp_cmd"], fw_spec)
if isinstance(vasp_cmd, str):
vasp_cmd = os.path.expandvars(vasp_cmd)
vasp_cmd = shlex.split(vasp_cmd)
# initialize variables
job_type = self.get("job_type", "normal")
scratch_dir = env_chk(self.get("scratch_dir"), fw_spec)
gzip_output = self.get("gzip_output", True)
max_errors = self.get("max_errors", CUSTODIAN_MAX_ERRORS)
auto_npar = env_chk(self.get("auto_npar"),
fw_spec,
strict=False,
default=False)
gamma_vasp_cmd = env_chk(self.get("gamma_vasp_cmd"),
fw_spec,
strict=False,
default=None)
if gamma_vasp_cmd:
gamma_vasp_cmd = shlex.split(gamma_vasp_cmd)
# construct jobs
if job_type == "normal":
jobs = [
VaspJob(vasp_cmd,
auto_npar=auto_npar,
gamma_vasp_cmd=gamma_vasp_cmd)
]
elif job_type == "double_relaxation_run":
jobs = VaspJob.double_relaxation_run(
vasp_cmd,
auto_npar=auto_npar,
ediffg=self.get("ediffg"),
half_kpts_first_relax=self.get("half_kpts_first_relax",
HALF_KPOINTS_FIRST_RELAX))
elif job_type == "metagga_opt_run":
jobs = VaspJob.metagga_opt_run(vasp_cmd,
auto_npar=auto_npar,
ediffg=self.get("ediffg"),
half_kpts_first_relax=self.get(
"half_kpts_first_relax",
HALF_KPOINTS_FIRST_RELAX))
elif job_type == "full_opt_run":
jobs = VaspJob.full_opt_run(vasp_cmd,
auto_npar=auto_npar,
ediffg=self.get("ediffg"),
max_steps=9,
half_kpts_first_relax=self.get(
"half_kpts_first_relax",
HALF_KPOINTS_FIRST_RELAX))
elif job_type == "neb":
# TODO: @shyuep @HanmeiTang This means that NEB can only be run (i) in reservation mode
# and (ii) when the queueadapter parameter is overridden and (iii) the queue adapter
# has a convention for nnodes (with that name). Can't the number of nodes be made a
# parameter that the user sets differently? e.g., fw_spec["neb_nnodes"] must be set
# when setting job_type=NEB? Then someone can use this feature in non-reservation
# mode and without this complication. -computron
nnodes = int(fw_spec["_queueadapter"]["nnodes"])
# TODO: @shyuep @HanmeiTang - I am not sure what the code below is doing. It looks like
# it is trying to override the number of processors. But I tried running the code
# below after setting "vasp_cmd = 'mpirun -n 16 vasp'" and the code fails.
# (i) Is this expecting an array vasp_cmd rather than String? If so, that's opposite to
# the rest of this task's convention and documentation
# (ii) can we get rid of this hacking in the first place? e.g., allowing the user to
# separately set the NEB_VASP_CMD as an env_variable and not rewriting the command
# inside this.
# -computron
# Index the tag "-n" or "-np"
index = [i for i, s in enumerate(vasp_cmd) if '-n' in s]
ppn = int(vasp_cmd[index[0] + 1])
vasp_cmd[index[0] + 1] = str(nnodes * ppn)
# Do the same for gamma_vasp_cmd
if gamma_vasp_cmd:
index = [i for i, s in enumerate(gamma_vasp_cmd) if '-n' in s]
ppn = int(gamma_vasp_cmd[index[0] + 1])
gamma_vasp_cmd[index[0] + 1] = str(nnodes * ppn)
jobs = [
VaspNEBJob(vasp_cmd,
final=False,
auto_npar=auto_npar,
gamma_vasp_cmd=gamma_vasp_cmd)
]
else:
raise ValueError("Unsupported job type: {}".format(job_type))
# construct handlers
handler_group = self.get("handler_group", "default")
if isinstance(handler_group, str):
handlers = handler_groups[handler_group]
else:
handlers = handler_group
if self.get("max_force_threshold"):
handlers.append(
MaxForceErrorHandler(
max_force_threshold=self["max_force_threshold"]))
if self.get("wall_time"):
handlers.append(WalltimeHandler(wall_time=self["wall_time"]))
if job_type == "neb":
validators = [
] # CINEB vasprun.xml sometimes incomplete, file structure different
else:
validators = [VasprunXMLValidator(), VaspFilesValidator()]
c = Custodian(handlers,
jobs,
validators=validators,
max_errors=max_errors,
scratch_dir=scratch_dir,
gzipped_output=gzip_output)
c.run()
if os.path.exists(zpath("custodian.json")):
stored_custodian_data = {
"custodian": loadfn(zpath("custodian.json"))
}
return FWAction(stored_data=stored_custodian_data)
def run_task(self, fw_spec):
handler_groups = {
"default": [
VaspErrorHandler(),
MeshSymmetryErrorHandler(),
UnconvergedErrorHandler(),
NonConvergingErrorHandler(),
PotimErrorHandler(),
PositiveEnergyErrorHandler(),
FrozenJobErrorHandler()
],
"strict": [
VaspErrorHandler(),
MeshSymmetryErrorHandler(),
UnconvergedErrorHandler(),
NonConvergingErrorHandler(),
PotimErrorHandler(),
PositiveEnergyErrorHandler(),
FrozenJobErrorHandler(),
AliasingErrorHandler()
],
"md": [VaspErrorHandler(),
NonConvergingErrorHandler()],
"no_handler": []
}
vasp_cmd = env_chk(self["vasp_cmd"], fw_spec)
if isinstance(vasp_cmd, six.string_types):
vasp_cmd = os.path.expandvars(vasp_cmd)
vasp_cmd = shlex.split(vasp_cmd)
# initialize variables
job_type = self.get("job_type", "normal")
scratch_dir = env_chk(self.get("scratch_dir"), fw_spec)
gzip_output = self.get("gzip_output", True)
max_errors = self.get("max_errors", 5)
auto_npar = env_chk(self.get("auto_npar"),
fw_spec,
strict=False,
default=False)
gamma_vasp_cmd = env_chk(self.get("gamma_vasp_cmd"),
fw_spec,
strict=False,
default=None)
if gamma_vasp_cmd:
gamma_vasp_cmd = shlex.split(gamma_vasp_cmd)
# construct jobs
if job_type == "normal":
jobs = [
VaspJob(vasp_cmd,
auto_npar=auto_npar,
gamma_vasp_cmd=gamma_vasp_cmd)
]
elif job_type == "double_relaxation_run":
jobs = VaspJob.double_relaxation_run(vasp_cmd,
auto_npar=auto_npar,
ediffg=self.get("ediffg"),
half_kpts_first_relax=False)
elif job_type == "full_opt_run":
jobs = VaspJob.full_opt_run(vasp_cmd,
auto_npar=auto_npar,
ediffg=self.get("ediffg"),
max_steps=5,
half_kpts_first_relax=False)
else:
raise ValueError("Unsupported job type: {}".format(job_type))
# construct handlers
handlers = handler_groups[self.get("handler_group", "default")]
if self.get("max_force_threshold"):
handlers.append(
MaxForceErrorHandler(
max_force_threshold=self["max_force_threshold"]))
if self.get("wall_time"):
handlers.append(WalltimeHandler(wall_time=self["wall_time"]))
validators = [VasprunXMLValidator()]
c = Custodian(handlers,
jobs,
validators=validators,
max_errors=max_errors,
scratch_dir=scratch_dir,
gzipped_output=gzip_output)
c.run()