Exemplo n.º 1
0
def itest_g0w0_flow(fwp, tvars):
    """Test flow for G0W0 calculations."""
    scf, nscf, scr, sig = make_g0w0_inputs(ngkpt=[2, 2, 2], tvars=tvars)

    flow = abilab.g0w0_flow(fwp.workdir,
                            scf,
                            nscf,
                            scr,
                            sig,
                            manager=fwp.manager)
    # Will remove output files at run-time.
    flow.set_garbage_collector()
    flow.build_and_pickle_dump(abivalidate=True)

    for task in flow[0]:
        task.start_and_wait()

    flow.check_status()
    flow.show_status()
    assert all(work.finalized for work in flow)
    assert flow.all_ok

    scf_task = flow[0][0]
    nscf_task = flow[0][1]
    scr_task = flow[0][2]
    sig_task = flow[0][3]

    # Test garbage)_collector
    # The WFK|SCR file should have been removed because we call set_garbage_collector
    assert not scf_task.outdir.has_abiext("WFK")
    assert not nscf_task.outdir.has_abiext("WFK")
    assert not scr_task.outdir.has_abiext("SCR")
    assert not scr_task.outdir.has_abiext("SUS")

    # The sigma task should produce a SIGRES file.
    sigfile = sig_task.outdir.list_filepaths(wildcard="*SIGRES.nc")[0]
    assert sigfile
    with abilab.abiopen(sigfile) as sigres:
        assert sigres.nsppol == 1

    # Test SigmaTask inspect method
    #if has_matplotlib
    #sig_task.inspect(show=False)

    # Test get_results for Sigma and Scr
    scr_task.get_results()
    sig_task.get_results()

    # Test SCR.nc file (this is optional)
    if scr_task.scr_path:
        with scr_task.open_scr() as scr:
            print(scr)
            assert len(scr.wpts) == 2
            assert scr.nwre == 1 and scr.nwim == 1
            for iq, qpoint in enumerate(scr.qpoints[:2]):
                print(qpoint)
                qpt, iqcheck = scr.reader.find_qpoint_fileindex(qpoint)
                assert iqcheck == iq
                em1 = scr.get_em1(qpoint)
                print(em1)
Exemplo n.º 2
0
def itest_g0w0_flow(fwp, tvars):
    """Test flow for G0W0 calculations."""
    scf, nscf, scr, sig = make_g0w0_inputs(ngkpt=[2, 2, 2], tvars=tvars)

    flow = abilab.g0w0_flow(fwp.workdir, scf, nscf, scr, sig, manager=fwp.manager)
    # Will remove output files at run-time.
    flow.set_cleanup_exts()
    flow.build_and_pickle_dump()

    for task in flow[0]:
        task.start_and_wait()

    flow.check_status()
    flow.show_status()
    assert all(work.finalized for work in flow)
    assert flow.all_ok

    scf_task = flow[0][0]
    nscf_task = flow[0][1]
    scr_task = flow[0][2]
    sig_task = flow[0][3]

    # Test set_cleanup_exts
    # The WFK|SCR file should have been removed because we call set_cleanup_exts
    assert not scf_task.outdir.has_abiext("WFK")
    assert not nscf_task.outdir.has_abiext("WFK")
    assert not scr_task.outdir.has_abiext("SCR")
    assert not scr_task.outdir.has_abiext("SUS")

    # The sigma task should produce a SIGRES file.
    sigfile = sig_task.outdir.list_filepaths(wildcard="*SIGRES.nc")[0]
    assert sigfile
    with abilab.abiopen(sigfile) as sigres:
        assert sigres.nsppol == 1
Exemplo n.º 3
0
def si_g0w0_flow(workdir="tmp_si_g0w0"):
    # Change the value of ngkpt below to perform a GW calculation with a different k-mesh.
    scf, nscf, scr, sig1, sig2, sig3 = make_inputs(ngkpt=[2,2,2])

    # Create the task defining the calculation and run it.
    manager = abilab.TaskManager.from_user_config()

    flow = abilab.g0w0_flow(workdir, manager, scf, nscf, scr, [sig1, sig2, sig3])
    return flow
Exemplo n.º 4
0
def build_flow(options):
    # Working directory (default is the name of the script with '.py' removed and "run_" replaced by "flow_")
    workdir = options.workdir
    if not options.workdir:
        workdir = os.path.basename(__file__).replace(".py", "").replace("run_","flow_") 

    # Change the value of ngkpt below to perform a GW calculation with a different k-mesh.
    scf, nscf, scr, sig1, sig2, sig3 = make_inputs(ngkpt=[2,2,2])

    return abilab.g0w0_flow(workdir, scf, nscf, scr, [sig1, sig2, sig3], manager=options.manager)
Exemplo n.º 5
0
def itest_g0w0_flow(fwp, tvars):
    """Test flow for G0W0 calculations."""
    scf, nscf, scr, sig = make_g0w0_inputs(ngkpt=[2, 2, 2], tvars=tvars)

    flow = abilab.g0w0_flow(fwp.workdir, scf, nscf, scr, sig, manager=fwp.manager)
    # Will remove output files at run-time.
    flow.set_garbage_collector()
    flow.build_and_pickle_dump(abivalidate=True)

    for task in flow[0]:
        task.start_and_wait()

    flow.check_status()
    flow.show_status()
    assert all(work.finalized for work in flow)
    assert flow.all_ok

    scf_task = flow[0][0]
    nscf_task = flow[0][1]
    scr_task = flow[0][2]
    sig_task = flow[0][3]

    # Test garbage)_collector
    # The WFK|SCR file should have been removed because we call set_garbage_collector
    assert not scf_task.outdir.has_abiext("WFK")
    assert not nscf_task.outdir.has_abiext("WFK")
    assert not scr_task.outdir.has_abiext("SCR")
    assert not scr_task.outdir.has_abiext("SUS")

    # The sigma task should produce a SIGRES file.
    sigfile = sig_task.outdir.list_filepaths(wildcard="*SIGRES.nc")[0]
    assert sigfile
    with abilab.abiopen(sigfile) as sigres:
        assert sigres.nsppol == 1

    # Test SigmaTask inspect method
    #if has_matplotlib
        #sig_task.inspect(show=False)

    # Test get_results for Sigma and Scr
    scr_task.get_results()
    sig_task.get_results()

    # Test SCR.nc file (this is optional)
    if scr_task.scr_path:
        with scr_task.open_scr() as scr:
            print(scr)
            assert len(scr.wpts) == 2
            assert scr.nwre == 1 and scr.nwim == 1
            for iq, qpoint in enumerate(scr.qpoints[:2]):
                print(qpoint)
                qpt, iqcheck = scr.reader.find_qpoint_fileindex(qpoint)
                assert iqcheck == iq
                em1 = scr.get_em1(qpoint)
                print(em1)
Exemplo n.º 6
0
def itest_g0w0_flow(fwp, tvars):
    """Test flow for G0W0 calculations."""
    scf, nscf, scr, sig = make_g0w0_inputs(ngkpt=[2, 2, 2], tvars=tvars)

    flow = abilab.g0w0_flow(fwp.workdir,
                            scf,
                            nscf,
                            scr,
                            sig,
                            manager=fwp.manager)
    # Will remove output files at run-time.
    flow.set_garbage_collector()
    flow.build_and_pickle_dump()

    for task in flow[0]:
        task.start_and_wait()

    flow.check_status()
    flow.show_status()
    assert all(work.finalized for work in flow)
    assert flow.all_ok

    scf_task = flow[0][0]
    nscf_task = flow[0][1]
    scr_task = flow[0][2]
    sig_task = flow[0][3]

    # Test garbage)_collector
    # The WFK|SCR file should have been removed because we call set_garbage_collector
    assert not scf_task.outdir.has_abiext("WFK")
    assert not nscf_task.outdir.has_abiext("WFK")
    assert not scr_task.outdir.has_abiext("SCR")
    assert not scr_task.outdir.has_abiext("SUS")

    # The sigma task should produce a SIGRES file.
    sigfile = sig_task.outdir.list_filepaths(wildcard="*SIGRES.nc")[0]
    assert sigfile
    with abilab.abiopen(sigfile) as sigres:
        assert sigres.nsppol == 1

    # Test SigmaTask inspect method
    #if has_matplotlib
    #sig_task.inspect(show=False)

    # Test get_results for Sigma and Scr
    scr_task.get_results()
    sig_task.get_results()
Exemplo n.º 7
0
def itest_g0w0_flow(fwp, tvars):
    """Test flow for G0W0 calculations."""
    scf, nscf, scr, sig = make_g0w0_inputs(ngkpt=[2, 2, 2], tvars=tvars)

    flow = abilab.g0w0_flow(fwp.workdir, fwp.manager, scf, nscf, scr, sig)
    flow.build_and_pickle_dump()

    for task in flow[0]:
        task.start_and_wait()

    flow.check_status()
    flow.show_status()
    assert all(work.finalized for work in flow)
    assert flow.all_ok

    # The sigma task should produce a SIGRES file.
    sigfile = flow[0][-1].outdir.list_filepaths(wildcard="*SIGRES.nc")[0]
    assert sigfile

    # TODO Add more tests
    sigres = abilab.abiopen(sigfile)
    assert sigres.nsppol == 1
Exemplo n.º 8
0
def gw_flow(workdir):
    inps = make_input();
    manager = abilab.TaskManager.from_user_config()
    flow = abilab.g0w0_flow(workdir, manager, inps[0], inps[1], inps[2], [inps[3]])
    return flow