Exemple #1
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def trans(psy):
    '''A PSyclone-script compliant transformation function. Adds
    profiling to an invoke.

    :param psy: The PSy layer object to apply transformations to.
    :type psy: :py:class:`psyclone.psyGen.PSy`
    '''
    print("Invokes found:\n{0}\n".format("\n".join(
        [str(name) for name in psy.invokes.names])))

    p_trans = ProfileTrans()

    for invoke in psy.invokes.invoke_list:

        sched = invoke.schedule
        if not sched:
            print("Invoke {0} has no Schedule! Skipping...".format(
                invoke.name))
            continue

        loops = sched.walk(Loop)
        loop_counter = 0
        for loop in loops:
            if loop.loop_type == "levels":
                # We only put profiling around loops over levels
                loop_counter += 1
                p_trans.apply(
                    loop,
                    {"region_name": ("kloop", "{}".format(loop_counter))})

        sched.view()
def test_profile_trans_name(options):
    '''Check that providing no option or an option not associated with the
    profile transformation does not result in anything being passed
    into ProfileNode via the name argument and that providing an
    option associated with the profile transformation does result in
    the relevant names being passed into ProfileNode via the name
    argument. This is checked by looking at the variables
    '_module_name' and '_region_name' which are set to the name
    argument values if they are provided, otherwise the variables are
    set to None.

    '''
    from psyclone.tests.utilities import get_invoke
    _, invoke = get_invoke("1_single_invoke.f90", "dynamo0.3", idx=0)
    schedule = invoke.schedule
    profile_trans = ProfileTrans()
    if options:
        _, _ = profile_trans.apply(schedule.children, options=options)
    else:
        _, _ = profile_trans.apply(schedule.children)
    profile_node = schedule[0]
    if options and "region_name" in options:
        assert profile_node._module_name == "mod"
        assert profile_node._region_name == "reg"
    else:
        assert profile_node._module_name is None
        assert profile_node._region_name is None
Exemple #3
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def test_region():
    ''' Tests that the profiling transform works correctly when a region of
    code is specified that does not cover the full invoke and also
    contains multiple kernels.

    '''
    _, invoke = get_invoke("3.1_multi_functions_multi_invokes.f90",
                           "dynamo0.3",
                           name="invoke_0",
                           dist_mem=True)
    schedule = invoke.schedule
    prt = ProfileTrans()
    # Just halo exchanges.
    _ = prt.apply(schedule[0:4])
    # Two loops.
    _ = prt.apply(schedule[1:3])
    result = str(invoke.gen())
    assert ("CALL profile_psy_data%PreStart(\"multi_functions_multi_invokes_"
            "psy\", \"invoke_0:r0\", 0, 0)" in result)
    assert ("CALL profile_psy_data_1%PreStart(\"multi_functions_multi_"
            "invokes_psy\", \"invoke_0:r1\", 0, 0)" in result)
    # Make nested profiles.
    _ = prt.apply(schedule[1].profile_body[1])
    _ = prt.apply(schedule)
    result = str(invoke.gen())
    assert ("CALL profile_psy_data_3%PreStart(\"multi_functions_multi_"
            "invokes_psy\", \"invoke_0:r0\", 0, 0)" in result)
    assert ("CALL profile_psy_data%PreStart(\"multi_functions_multi_"
            "invokes_psy\", \"invoke_0:r1\", 0, 0)" in result)
    assert ("CALL profile_psy_data_1%PreStart(\"multi_functions_multi_"
            "invokes_psy\", \"invoke_0:r2\", 0, 0)" in result)
    assert ("CALL profile_psy_data_2%PreStart(\"multi_functions_multi_"
            "invokes_psy\", \"invoke_0:testkern_code:r3\", 0, 0)" in result)
Exemple #4
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def test_omp_transform():
    '''Tests that the profiling transform works correctly with OMP
     parallelisation.'''

    _, invoke = get_invoke("test27_loop_swap.f90", "gocean1.0",
                           name="invoke_loop1", dist_mem=False)
    schedule = invoke.schedule
    # This test expects constant loop bounds
    schedule._const_loop_bounds = True

    prt = ProfileTrans()
    omp_loop = GOceanOMPLoopTrans()
    omp_par = OMPParallelTrans()

    # Parallelise the first loop:
    omp_loop.apply(schedule[0])
    omp_par.apply(schedule[0])
    prt.apply(schedule[0])

    correct = (
        "      CALL profile_psy_data%PreStart(\"psy_test27_loop_swap\", "
        "\"invoke_loop1:bc_ssh_code:r0\", 0, 0)\n"
        "      !$omp parallel default(shared), private(i,j)\n"
        "      !$omp do schedule(static)\n"
        "      DO j=2,jstop\n"
        "        DO i=2,istop\n"
        "          CALL bc_ssh_code(i, j, 1, t%data, t%grid%tmask)\n"
        "        END DO\n"
        "      END DO\n"
        "      !$omp end do\n"
        "      !$omp end parallel\n"
        "      CALL profile_psy_data%PostEnd")
    code = str(invoke.gen())
    assert correct in code

    # Now add another profile node between the omp parallel and omp do
    # directives:
    prt.apply(schedule[0].profile_body[0].dir_body[0])

    code = str(invoke.gen())

    correct = \
        "CALL profile_psy_data%PreStart(\"psy_test27_loop_swap\", " + \
        '''"invoke_loop1:bc_ssh_code:r0", 0, 0)
      !$omp parallel default(shared), private(i,j)
      CALL profile_psy_data_1%PreStart("psy_test27_loop_swap", ''' + \
        '''"invoke_loop1:bc_ssh_code:r1", 0, 0)
      !$omp do schedule(static)
      DO j=2,jstop
        DO i=2,istop
          CALL bc_ssh_code(i, j, 1, t%data, t%grid%tmask)
        END DO
      END DO
      !$omp end do
      CALL profile_psy_data_1%PostEnd
      !$omp end parallel
      CALL profile_psy_data%PostEnd'''

    assert correct in code
Exemple #5
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def test_transform_errors(capsys):
    '''Tests error handling of the profile region transformation.'''

    # This has been imported and tested before, so we can assume
    # here that this all works as expected/
    _, invoke = get_invoke("test27_loop_swap.f90",
                           "gocean1.0",
                           name="invoke_loop1",
                           dist_mem=False)

    schedule = invoke.schedule
    prt = ProfileTrans()

    # Just to be sure: also check that the right order does indeed work!
    sched1, _ = prt.apply(
        [schedule.children[0], schedule.children[1], schedule.children[2]])
    sched1.view()
    out, _ = capsys.readouterr()
    # out is unicode, and has no replace function, so convert to string first
    out = str(out).replace("\n", "")

    correct_re = (".*GOInvokeSchedule.*?"
                  r"Profile.*?"
                  r"Loop.*\[type='outer'.*?"
                  r"Loop.*\[type='outer'.*?"
                  r"Loop.*\[type='outer'")
    assert re.search(correct_re, out)

    # Test that we don't add a profile node inside a OMP do loop (which
    # would be invalid syntax):
    _, invoke = get_invoke("test27_loop_swap.f90",
                           "gocean1.0",
                           name="invoke_loop1",
                           dist_mem=False)
    schedule = invoke.schedule

    prt = ProfileTrans()
    omp_loop = GOceanOMPLoopTrans()

    # Parallelise the first loop:
    sched1, _ = omp_loop.apply(schedule[0])

    # Inserting a ProfileTrans inside a omp do loop is syntactically
    # incorrect, the inner part must be a do loop only:
    with pytest.raises(TransformationError) as excinfo:
        prt.apply(sched1[0].dir_body[0])

    assert "A PSyData node cannot be inserted between an OpenMP/ACC "\
           "directive and the loop(s) to which it applies!" \
           in str(excinfo.value)

    with pytest.raises(TransformationError) as excinfo:
        prt.apply(sched1[0], {"region_name": "xx"})
    assert "Error in ProfileTrans. User-supplied region name must be a " \
        "tuple containing two non-empty strings" in str(excinfo.value)
Exemple #6
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def trans(psy):
    '''
    Take the supplied psy object, add OpenACC directives and then enclose
    the whole schedule within a profiling region.

    :param psy: the PSy layer to transform.
    :type psy: :py:class:`psyclone.gocean1p0.GOPSy`

    :returns: the transformed PSy object.
    :rtype: :py:class:`psyclone.gocean1p0.GOPSy`

    '''
    from psyclone.psyir.transformations import ProfileTrans
    proftrans = ProfileTrans()

    # Use the trans() routine in acc_transform.py to add the OpenACC directives
    psy = acc_trans(psy)

    invoke = psy.invokes.get('invoke_0_inc_field')
    schedule = invoke.schedule

    # Enclose everything in a profiling region
    newschedule, _ = proftrans.apply(schedule.children)
    invoke.schedule = newschedule
    newschedule.view()
    return psy
Exemple #7
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    def add_profile_nodes(schedule, loop_class):
        '''This function inserts all required Profiling Nodes (for invokes
        and kernels, as specified on the command line) into a schedule.
        :param schedule: The schedule to instrument.
        :type schedule: :py:class:`psyclone.psyGen.InvokeSchedule` or \
                        derived class
        :param loop_class: The loop class (e.g. GOLoop, DynLoop) to instrument.
        :type loop_class: :py:class:`psyclone.psyir.nodes.Loop` or \
                          derived class.
        '''

        from psyclone.psyir.transformations import ProfileTrans
        profile_trans = ProfileTrans()
        if Profiler.profile_kernels():
            for i in schedule.children:
                if isinstance(i, loop_class):
                    profile_trans.apply(i)
        if Profiler.profile_invokes():
            profile_trans.apply(schedule.children)
def test_profile_trans_invalid_name(value):
    '''Invalid name supplied to options argument.'''
    profile_trans = ProfileTrans()

    # We need to have a schedule as parent, otherwise the node
    # (with no parent) will not be allowed.
    sched = Schedule()
    node = Statement(parent=sched)
    sched.addchild(node)
    with pytest.raises(TransformationError) as excinfo:
        _ = profile_trans.apply(node, options={"region_name": value})
    assert ("User-supplied region name must be a tuple containing "
            "two non-empty strings." in str(excinfo.value))
Exemple #9
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def test_profile_named_dynamo0p3():
    '''Check that the Dynamo 0.3 API is instrumented correctly when the
    profile name is supplied by the user.

    '''
    psy, invoke = get_invoke("1_single_invoke.f90", "dynamo0.3", idx=0)
    schedule = invoke.schedule
    profile_trans = ProfileTrans()
    options = {"region_name": (psy.name, invoke.name)}
    _, _ = profile_trans.apply(schedule.children, options=options)
    result = str(invoke.gen())
    assert ("CALL profile_psy_data%PreStart(\"single_invoke_psy\", "
            "\"invoke_0_testkern_type\", 0, 0)") in result
Exemple #10
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def test_multi_prefix_profile(monkeypatch):
    ''' Tests that the profiling transform works correctly when we use two
    different profiling tools in the same invoke.

    '''
    _, invoke = get_invoke("3.1_multi_functions_multi_invokes.f90",
                           "dynamo0.3", name="invoke_0", dist_mem=True)
    schedule = invoke.schedule
    prt = ProfileTrans()
    config = Config.get()
    # Monkeypatch the list of recognised PSyData prefixes
    monkeypatch.setattr(config, "_valid_psy_data_prefixes",
                        ["profile", "tool1"])
    # Use the 'tool1' prefix for the region around the halo exchanges.
    _ = prt.apply(schedule[0:4], options={"prefix": "tool1"})
    # Use the default prefix for the two loops.
    _ = prt.apply(schedule[1:3])
    result = str(invoke.gen())

    assert ("      USE profile_psy_data_mod, ONLY: profile_PSyDataType\n" in
            result)
    assert "      USE tool1_psy_data_mod, ONLY: tool1_PSyDataType" in result
    assert ("      TYPE(profile_PSyDataType), target, save :: "
            "profile_psy_data\n"
            "      TYPE(tool1_PSyDataType), target, save :: tool1_psy_data"
            in result)
    assert ("      ! Call kernels and communication routines\n"
            "      !\n"
            "      CALL tool1_psy_data%PreStart(\"multi_functions_multi_"
            "invokes_psy\", \"invoke_0:r0\", 0, 0)\n"
            "      IF (f1_proxy%is_dirty(depth=1)) THEN\n" in result)
    assert ("      CALL tool1_psy_data%PostEnd\n"
            "      CALL profile_psy_data%PreStart(\"multi_functions_multi_"
            "invokes_psy\", \"invoke_0:r1\", 0, 0)\n"
            "      DO cell=1,mesh%get_last_halo_cell(1)" in result)
    assert ("      CALL f1_proxy%set_dirty()\n"
            "      !\n"
            "      CALL profile_psy_data%PostEnd\n"
            "      DO cell=1,mesh%get_last_halo_cell(1)" in result)
Exemple #11
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def trans(psy):
    '''A PSyclone-script compliant transformation function. Adds
    profiling to an invoke.

    :param psy: The PSy layer object to apply transformations to.
    :type psy: :py:class:`psyclone.psyGen.PSy`
    '''
    print("Invokes found:\n{0}\n".format("\n".join(
        [str(name) for name in psy.invokes.names])))

    p_trans = ProfileTrans()

    for invoke in psy.invokes.invoke_list:

        sched = invoke.schedule
        if not sched:
            print("Invoke {0} has no Schedule! Skipping...".format(
                invoke.name))
            continue

        # Enclose all children of the schedule within a single profile region
        p_trans.apply(sched.children)
        sched.view()
Exemple #12
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    def add_profile_nodes(schedule, loop_class):
        '''This function inserts all required Profiling Nodes (for invokes
        and kernels, as specified on the command line) into a schedule. An
        invoke will not be profiled if it contains more than one Return or if
        the Return is not the last statement.

        :param schedule: The schedule to instrument.
        :type schedule: :py:class:`psyclone.psyGen.InvokeSchedule` or subclass
        :param loop_class: The loop class (e.g. GOLoop, DynLoop) to instrument.
        :type loop_class: :py:class:`psyclone.psyir.nodes.Loop` or subclass

        '''
        profile_trans = ProfileTrans()
        if Profiler.profile_kernels():
            kernels = schedule.walk(Kern)
            for kernel in kernels:
                # For each kernel, we walk back up to find the outermost loop
                # of the specified class
                target = None
                parent_loop = kernel.ancestor(loop_class)
                while parent_loop:
                    nchildren = len(parent_loop.loop_body.children)
                    if nchildren != 1:
                        # We only permit tightly-nested loops
                        break
                    target = parent_loop
                    parent_loop = parent_loop.ancestor(loop_class)
                # We only add profiling if we're not within some OpenACC
                # region (as otherwise, the PSyData routines being called
                # would have to be compiled for the GPU).
                if target and not target.ancestor(ACCDirective):
                    # Have to take care that the target loop does not have
                    # a directive applied to it. We distinguish this case
                    # from that of a directive defining a region by checking
                    # the number of children of the directive.
                    if (isinstance(target.parent.parent, Directive) and
                            len(target.parent.parent.dir_body.children) == 1):
                        # Parent is a Directive that has only the current
                        # loop as a child. Therefore, enclose the Directive
                        # within the profiling region too.
                        target = target.parent.parent
                    profile_trans.apply(target)
        if Profiler.profile_invokes():
            # We cannot include Return statements within profiling regions
            returns = schedule.walk(Return)
            if returns:
                if len(returns) == 1 and returns[0] is schedule.children[-1]:
                    # There's only one Return and it's the last statement so
                    # simply exclude it from the profiling region.
                    profile_trans.apply(schedule.children[:-1])
                else:
                    # TODO #11 use logging instead.
                    print("Not adding profiling to routine '{0}' because it "
                          "contains one or more Return statements.".format(
                              schedule.name), file=sys.stderr)
            else:
                profile_trans.apply(schedule.children)
Exemple #13
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def test_no_psydata_in_kernels(parser, monkeypatch):
    ''' Check that we refuse to generate code when a kernels region
    contains PSyData calls. '''
    code = parser(FortranStringReader(EXPLICIT_LOOP))
    psy = PSyFactory(API, distributed_memory=False).create(code)
    schedule = psy.invokes.invoke_list[0].schedule
    ptrans = ProfileTrans()
    acc_trans = ACCKernelsTrans()
    acc_trans.apply(schedule[0])
    # Attempt to put a profiling call within the loop
    assign = schedule.walk(Assignment)[0]
    with pytest.raises(TransformationError) as err:
        ptrans.apply(assign)
    assert ("A PSyData node cannot be inserted inside an OpenACC region"
            in str(err.value))
    # Monkeypatch the validate() method so as to avoid the checking
    # that it does
    monkeypatch.setattr(ptrans, "validate", lambda x, y: None)
    ptrans.apply(assign)
    # Check that an appropriate error is raised at code-generation time
    with pytest.raises(GenerationError) as err:
        _ = psy.gen
    assert ("Cannot include calls to PSyData routines within OpenACC "
            "regions" in str(err.value))
Exemple #14
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def test_profile_named_gocean1p0():
    '''Check that the gocean 1.0 API is instrumented correctly when the
    profile name is supplied by the user.

    '''
    psy, invoke = get_invoke("test11_different_iterates_over_one_invoke.f90",
                             "gocean1.0", idx=0)
    schedule = invoke.schedule
    profile_trans = ProfileTrans()
    options = {"region_name": (psy.name, invoke.name)}
    _ = profile_trans.apply(schedule.children, options=options)
    result = str(invoke.gen())
    assert ("CALL profile_psy_data%PreStart("
            "\"psy_single_invoke_different_iterates_over\", "
            "\"invoke_0\", 0, 0)") in result
Exemple #15
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def test_profile_basic(capsys):
    '''Check basic functionality: node names, schedule view.
    '''
    Profiler.set_options([Profiler.INVOKES])
    _, invoke = get_invoke("test11_different_iterates_over_one_invoke.f90",
                           "gocean1.0",
                           idx=0,
                           dist_mem=False)
    # This test expects constant loop bounds
    invoke.schedule._const_loop_bounds = True
    Profiler.add_profile_nodes(invoke.schedule, Loop)

    assert isinstance(invoke.schedule[0], ProfileNode)

    invoke.schedule.view()
    out, _ = capsys.readouterr()

    gsched = colored("GOInvokeSchedule", GOInvokeSchedule._colour)
    sched = colored("Schedule", Schedule._colour)
    loop = Loop().coloured_name(True)
    profile = invoke.schedule[0].coloured_name(True)

    # Do one test based on schedule view, to make sure colouring
    # and indentation is correct
    expected = (gsched + "[invoke='invoke_0', Constant loop bounds=True]\n"
                "    0: " + profile + "[]\n"
                "        " + sched + "[]\n"
                "            0: " + loop +
                "[type='outer', field_space='go_cv', "
                "it_space='go_internal_pts']\n")
    assert expected in out

    prt = ProfileTrans()

    # Insert a profile call between outer and inner loop.
    # This tests that we find the subroutine node even
    # if it is not the immediate parent.
    new_sched, _ = prt.apply(invoke.schedule[0].profile_body[0].loop_body[0])

    new_sched_str = str(new_sched)
    correct = ("""GOInvokeSchedule[invoke='invoke_0', \
Constant loop bounds=True]:
ProfileStart[var=profile_psy_data]
GOLoop[id:'', variable:'j', loop_type:'outer']
Literal[value:'2', Scalar<INTEGER, UNDEFINED>]
Literal[value:'jstop-1', Scalar<INTEGER, UNDEFINED>]
Literal[value:'1', Scalar<INTEGER, UNDEFINED>]
Schedule:
ProfileStart[var=profile_psy_data_1]
GOLoop[id:'', variable:'i', loop_type:'inner']
Literal[value:'2', Scalar<INTEGER, UNDEFINED>]
Literal[value:'istop', Scalar<INTEGER, UNDEFINED>]
Literal[value:'1', Scalar<INTEGER, UNDEFINED>]
Schedule:
kern call: compute_cv_code
End Schedule
End GOLoop
ProfileEnd
End Schedule
End GOLoop
GOLoop[id:'', variable:'j', loop_type:'outer']
Literal[value:'1', Scalar<INTEGER, UNDEFINED>]
Literal[value:'jstop+1', Scalar<INTEGER, UNDEFINED>]
Literal[value:'1', Scalar<INTEGER, UNDEFINED>]
Schedule:
GOLoop[id:'', variable:'i', loop_type:'inner']
Literal[value:'1', Scalar<INTEGER, UNDEFINED>]
Literal[value:'istop+1', Scalar<INTEGER, UNDEFINED>]
Literal[value:'1', Scalar<INTEGER, UNDEFINED>]
Schedule:
kern call: bc_ssh_code
End Schedule
End GOLoop
End Schedule
End GOLoop
ProfileEnd
End Schedule""")
    assert correct in new_sched_str

    Profiler.set_options(None)
Exemple #16
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def test_transform(capsys):
    '''Tests normal behaviour of profile region transformation.'''

    # pylint: disable=too-many-locals
    _, invoke = get_invoke("test27_loop_swap.f90",
                           "gocean1.0",
                           name="invoke_loop1",
                           dist_mem=False)
    schedule = invoke.schedule
    # This test expects constant loop bounds
    schedule._const_loop_bounds = True

    prt = ProfileTrans()
    assert str(prt) == "Create a sub-tree of the PSyIR that has " \
                       "a node of type ProfileNode at its root."
    assert prt.name == "ProfileTrans"

    # Try applying it to a list
    sched1, _ = prt.apply(schedule.children)

    correct = ("""GOInvokeSchedule[invoke='invoke_loop1', \
Constant loop bounds=True]:
ProfileStart[var=profile_psy_data]
GOLoop[id:'', variable:'j', loop_type:'outer']
Literal[value:'2', Scalar<INTEGER, UNDEFINED>]
Literal[value:'jstop', Scalar<INTEGER, UNDEFINED>]
Literal[value:'1', Scalar<INTEGER, UNDEFINED>]
Schedule:
GOLoop[id:'', variable:'i', loop_type:'inner']
Literal[value:'2', Scalar<INTEGER, UNDEFINED>]
Literal[value:'istop', Scalar<INTEGER, UNDEFINED>]
Literal[value:'1', Scalar<INTEGER, UNDEFINED>]
Schedule:
kern call: bc_ssh_code
End Schedule
End GOLoop
End Schedule
End GOLoop
GOLoop[id:'', variable:'j', loop_type:'outer']
Literal[value:'1', Scalar<INTEGER, UNDEFINED>]
Literal[value:'jstop+1', Scalar<INTEGER, UNDEFINED>]
Literal[value:'1', Scalar<INTEGER, UNDEFINED>]
Schedule:
GOLoop[id:'', variable:'i', loop_type:'inner']
Literal[value:'1', Scalar<INTEGER, UNDEFINED>]
Literal[value:'istop', Scalar<INTEGER, UNDEFINED>]
Literal[value:'1', Scalar<INTEGER, UNDEFINED>]
Schedule:
kern call: bc_solid_u_code
End Schedule
End GOLoop
End Schedule
End GOLoop
GOLoop[id:'', variable:'j', loop_type:'outer']
Literal[value:'1', Scalar<INTEGER, UNDEFINED>]
Literal[value:'jstop', Scalar<INTEGER, UNDEFINED>]
Literal[value:'1', Scalar<INTEGER, UNDEFINED>]
Schedule:
GOLoop[id:'', variable:'i', loop_type:'inner']
Literal[value:'1', Scalar<INTEGER, UNDEFINED>]
Literal[value:'istop+1', Scalar<INTEGER, UNDEFINED>]
Literal[value:'1', Scalar<INTEGER, UNDEFINED>]
Schedule:
kern call: bc_solid_v_code
End Schedule
End GOLoop
End Schedule
End GOLoop
ProfileEnd
End Schedule""")
    assert correct in str(sched1)

    # Now only wrap a single node - the middle loop:
    sched2, _ = prt.apply(schedule[0].profile_body[1])

    correct = ("""GOInvokeSchedule[invoke='invoke_loop1', \
Constant loop bounds=True]:
ProfileStart[var=profile_psy_data]
GOLoop[id:'', variable:'j', loop_type:'outer']
Literal[value:'2', Scalar<INTEGER, UNDEFINED>]
Literal[value:'jstop', Scalar<INTEGER, UNDEFINED>]
Literal[value:'1', Scalar<INTEGER, UNDEFINED>]
Schedule:
GOLoop[id:'', variable:'i', loop_type:'inner']
Literal[value:'2', Scalar<INTEGER, UNDEFINED>]
Literal[value:'istop', Scalar<INTEGER, UNDEFINED>]
Literal[value:'1', Scalar<INTEGER, UNDEFINED>]
Schedule:
kern call: bc_ssh_code
End Schedule
End GOLoop
End Schedule
End GOLoop
ProfileStart[var=profile_psy_data_1]
GOLoop[id:'', variable:'j', loop_type:'outer']
Literal[value:'1', Scalar<INTEGER, UNDEFINED>]
Literal[value:'jstop+1', Scalar<INTEGER, UNDEFINED>]
Literal[value:'1', Scalar<INTEGER, UNDEFINED>]
Schedule:
GOLoop[id:'', variable:'i', loop_type:'inner']
Literal[value:'1', Scalar<INTEGER, UNDEFINED>]
Literal[value:'istop', Scalar<INTEGER, UNDEFINED>]
Literal[value:'1', Scalar<INTEGER, UNDEFINED>]
Schedule:
kern call: bc_solid_u_code
End Schedule
End GOLoop
End Schedule
End GOLoop
ProfileEnd
GOLoop[id:'', variable:'j', loop_type:'outer']
Literal[value:'1', Scalar<INTEGER, UNDEFINED>]
Literal[value:'jstop', Scalar<INTEGER, UNDEFINED>]
Literal[value:'1', Scalar<INTEGER, UNDEFINED>]
Schedule:
GOLoop[id:'', variable:'i', loop_type:'inner']
Literal[value:'1', Scalar<INTEGER, UNDEFINED>]
Literal[value:'istop+1', Scalar<INTEGER, UNDEFINED>]
Literal[value:'1', Scalar<INTEGER, UNDEFINED>]
Schedule:
kern call: bc_solid_v_code
End Schedule
End GOLoop
End Schedule
End GOLoop
ProfileEnd
End Schedule""")
    assert correct in str(sched2)

    # Check that a sublist created from individual elements
    # can be wrapped
    sched3, _ = prt.apply(
        [sched2[0].profile_body[0], sched2[0].profile_body[1]])
    sched3.view()
    out, _ = capsys.readouterr()

    gsched = colored("GOInvokeSchedule", GOInvokeSchedule._colour)
    prof = colored("Profile", ProfileNode._colour)
    sched = colored("Schedule", Schedule._colour)
    loop = colored("Loop", Loop._colour)

    indent = 4 * " "
    correct = (gsched +
               "[invoke='invoke_loop1', Constant loop bounds=True]\n" +
               indent + "0: " + prof + "[]\n" + 2 * indent + sched + "[]\n" +
               3 * indent + "0: " + prof + "[]\n" + 4 * indent + sched +
               "[]\n" + 5 * indent + "0: " + loop +
               "[type='outer', field_space='go_ct',"
               " it_space='go_internal_pts']\n")
    assert correct in out
    correct2 = (5 * indent + "1: " + prof + "[]\n" + 6 * indent + sched +
                "[]\n" + 7 * indent + "0: " + loop +
                "[type='outer', field_space='go_cu',"
                " it_space='go_all_pts']\n")
    assert correct2 in out