performance_testbed.py

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import os
import sys
import argparse
 
import peano4
import exahype2
import peano4.toolbox.particles
 
sys.path.insert(0, os.path.abspath("../../../../applications/exahype2/ccz4"))
 
from Probe_file_gene import tracer_seeds_generate
from ComputeFirstDerivatives import ComputeFirstDerivativesFD4RK
 
modes = {
    "release": peano4.output.CompileMode.Release,
    "trace": peano4.output.CompileMode.Trace,
    "assert": peano4.output.CompileMode.Asserts,
    "stats": peano4.output.CompileMode.Stats,
    "debug": peano4.output.CompileMode.Debug,
}
 
floatparams = {
    "GLMc0": 1.5,
    "GLMc": 1.2,
    "GLMd": 2.0,
    "GLMepsA": 1.0,
    "GLMepsP": 1.0,
    "GLMepsD": 1.0,
    "itau": 1.0,
    "k1": 0.1,
    "k2": 0.0,
    "k3": 0.5,
    "eta": 1.0,
    "f": 0.75,
    "g": 0.0,
    "xi": 1.0,
    "e": 1.0,
    "c": 1.0,
    "mu": 0.2,
    "ds": 1.0,
    "sk": 1.0,
    "bs": 1.0,
    "domain_r": 1.5,
    "smoothing": 0.0,
    "KOSigma": 8.0  # , \
    # "itau":1.0, "k1":0.1, "k2":0.0, "k3":0.5, "eta":1.0,
    # "f":1.0, "g":0.0, "xi":1.0, "e":1.0, "c":1.0, "mu":0.2, "ds":1.0,
    # "sk":1.0, "bs":1.0#, \
    # "par_b":666.0, "center_offset_x":-1.0, "center_offset_y":0.0, "center_offset_z":0.0, \
    # "target_m_plus":1.0, "par_p_plus_x":0.0, "par_p_plus_y":0.0, "par_p_plus_z":0.0, \
    # "par_s_plus_x":0.0, "par_s_plus_y":0.0, "par_s_plus_z":0.0, \
    # "target_m_minus":1.0, "par_p_minus_x":0.0, "par_p_minus_y":0.0, "par_p_minus_z":0.0, \
    # "par_s_minus_x":0.0, "par_s_minus_y":0.0, "par_s_minus_z":0.0, \
    # "tp_epsilon":1e-6
}
 
intparams = {
    "BBHType": 2,
    "LapseType": 1,
    "tp_grid_setup": 0,
    "swi": 99,
    "ReSwi": 1,
    "SO": 0,
}
# sss
if __name__ == "__main__":
    parser = argparse.ArgumentParser(description="ExaHyPE 2 - CCZ4 script")
    parser.add_argument(
        "-maxh",
        "--max-h",
        dest="max_h",
        type=float,
        default=0.05,
        help="upper limit for refinement. Refers to volume size, i.e. not to patch size",
    )
    parser.add_argument(
        "-minh",
        "--min-h",
        dest="min_h",
        type=float,
        default=0.02,
        help="lower limit for refinement (set to 0 to make it equal to max_h - default). Refers to volume size, i.e. not to patch size",
    )
    parser.add_argument(
        "-ps",
        "--patch-size",
        dest="patch_size",
        type=int,
        default=9,
        help="Patch size, i.e. number of volumes per patch per direction",
    )
    parser.add_argument(
        "-plt",
        "--plot-step-size",
        dest="plot_step_size",
        type=float,
        default=0,
        help="Plot step size (0 to switch it off)",
    )
    parser.add_argument(
        "-m", "--mode", dest="mode", default="release", help="|".join(modes.keys())
    )
    parser.add_argument(
        "--gpu",
        dest="GPU",
        default=False,
        action="store_true",
        help="Run with accelerator support",
    )
    parser.add_argument(
        "-impl",
        "--implementation",
        dest="implementation",
        default="fd4-rk1-adaptive",
        choices=["fd4-rk1-adaptive", "fd4-rk1-adaptive-enclave"],
        help="Pick solver type",
    )
    parser.add_argument(
        "-no-pbc",
        "--no-periodic-boundary-conditions",
        dest="periodic_bc",
        action="store_false",
        default=True,
        help="switch on or off the periodic BC",
    )
    parser.add_argument(
        "-sommerfeld",
        "--sommerfeld-boundary-conditions",
        dest="sommerfeld_bc",
        action="store_true",
        default=False,
        help="switch on or off the Sommerfeld radiative BC",
    )
    parser.add_argument(
        "-AMRMarker",
        "--AMR-marker",
        dest="marker",
        choices=["none", "poisson"],
        default="none",
        help="switch on or off the AMR boundary marker",
    )
    parser.add_argument(
        "-et",
        "--end-time",
        dest="end_time",
        type=float,
        default=0.01,
        help="End (terminal) time",
    )
    parser.add_argument(
        "-pst",
        "--plot-start-time",
        dest="plot_start_time",
        type=float,
        default=0.0,
        help="start time for plot",
    )
    parser.add_argument(
        "-s",
        "--scenario",
        dest="scenario",
        default="single-puncture",
        choices=[
            "gauge",
            "dia_gauge",
            "linear",
            "single-puncture",
            "two-punctures",
            "flat",
        ],
        help="Scenario",
    )
    parser.add_argument(
        "-cfl", "--CFL-ratio", dest="cfl", type=float, default=0.1, help="Set CFL ratio"
    )
    parser.add_argument(
        "-tracer",
        "--add-tracer",
        dest="add_tracer",
        type=int,
        default=0,
        help="Add tracers and specify the seeds. 0-switch off, 1-static point tracer, 2-moving point tracer",
    )
    parser.add_argument(
        "-tn",
        "--tracer-name",
        dest="tra_name",
        type=str,
        default="de",
        help="name of output tracer file (temporary)",
    )
    parser.add_argument(
        "-exn",
        "--exe-name",
        dest="exe_name",
        type=str,
        default="test",
        help="name of output executable file",
    )
    parser.add_argument(
        "-outdir",
        "--output-directory",
        dest="path",
        type=str,
        default="./",
        help="specify the output directory, include the patch file and tracer file",
    )
    parser.add_argument(
        "-interp",
        "--interpolation",
        dest="interpolation",
        choices=[
            "constant",
            "order-2",
            "linear-constant-extrap",
            "linear-linear-extrap",
            "linear-con-extrap-lin-normal-interp",
            "linear-lin-extrap-lin-normal-interp",
            "matrix",
            "second_order",
            "third_order",
        ],
        default="linear-lin-extrap-lin-normal-interp",
        help="interpolation scheme for AMR",
    )
    parser.add_argument(
        "-restrict",
        "--restriction",
        dest="restriction",
        choices=["average", "inject", "matrix", "second_order"],
        default="average",
        help="restriction scheme for AMR",
    )
    parser.add_argument(
        "-so",
        "--second-order",
        dest="SO_flag",
        default=True,
        action="store_true",
        help="enable double communication per timestep, used in the soccz4 formulation.",
    )
 
    for k, v in floatparams.items():
        parser.add_argument(
            "--{}".format(k),
            dest="CCZ4{}".format(k),
            type=float,
            default=v,
            help="default: %(default)s",
        )
    for k, v in intparams.items():
        if k == "ReSwi":
            parser.add_argument(
                "--{}".format(k),
                dest="CCZ4{}".format(k),
                type=int,
                default=v,
                help="default: %(default)s, choose refinement criterion, 0-no refinement, 1-radius based, 2-SBH phi gradient based, 3-BBH phi gradient based. Notice: 2 and 3 only work with -ext Full",
            )
        else:
            parser.add_argument(
                "--{}".format(k),
                dest="CCZ4{}".format(k),
                type=int,
                default=v,
                help="default: %(default)s",
            )
 
    args = parser.parse_args()
 
    SuperClass = None
 
    print(args.implementation)
    if (
        args.implementation == "fd4-rk1-adaptive"
        or args.implementation == "fd4-rk4-adaptive"
    ):
        SuperClass = exahype2.solvers.rkfd.fd4.GlobalAdaptiveTimeStep
    if args.implementation == "fd4-rk1-adaptive-enclave":
        SuperClass = exahype2.solvers.rkfd.fd4.GlobalAdaptiveTimeStepWithEnclaveTasking
        args.SO_flag = False
    if args.implementation == "fd4-rk1-fixed" or args.implementation == "fd4-rk4-fixed":
        SuperClass = exahype2.solvers.rkfd.fd4.GlobalFixedTimeStep
 
    class CCZ4Solver(SuperClass):
        def __init__(
            self, name, patch_size, min_volume_h, max_volume_h, cfl, domain_r, KOSig
        ):
            unknowns = {
                "G": 6,  # 0-5
                "K": 6,  # 6-11
                "theta": 1,  # 12
                "Z": 3,  # 13-15
                "lapse": 1,  # 16
                "shift": 3,  # 17-19
                "b": 3,  # 20-22
                "dLapse": 3,  # 23-25
                "dxShift": 3,  # 26-28
                "dyShift": 3,  # 29-31
                "dzShift": 3,  # 32-34
                "dxG": 6,  # 35-40
                "dyG": 6,  # 41-46
                "dzG": 6,  # 47-52
                "traceK": 1,  # 53
                "phi": 1,  # 54
                "P": 3,  # 55-57
                "K0": 1,  # 58
            }
 
            number_of_unknowns = sum(unknowns.values())
 
            self._my_user_includes = """
#include "../CCZ4Kernels.h"
"""
            if SuperClass == exahype2.solvers.rkfd.fd4.GlobalAdaptiveTimeStep:
                if (
                    args.implementation == "fd4-rk1-adaptive"
                    or args.implementation == "fd4-rk1-adaptive-enclave"
                ):
                    rk_order = 1
                else:
                    rk_order = 4
                SuperClass.__init__(
                    self,
                    name=name,
                    patch_size=patch_size,
                    rk_order=rk_order,
                    unknowns=number_of_unknowns,
                    auxiliary_variables=0,
                    min_meshcell_h=min_volume_h,
                    max_meshcell_h=max_volume_h,
                    time_step_relaxation=cfl,
                    KOSigma=KOSig,
                    reconstruction_with_rk=args.SO_flag,
                )
            elif (
                SuperClass
                == exahype2.solvers.rkfd.fd4.GlobalAdaptiveTimeStepWithEnclaveTasking
            ):
                if (
                    args.implementation == "fd4-rk1-adaptive"
                    or args.implementation == "fd4-rk1-adaptive-enclave"
                ):
                    rk_order = 1
                else:
                    rk_order = 4
                SuperClass.__init__(
                    self,
                    name=name,
                    patch_size=patch_size,
                    rk_order=rk_order,
                    unknowns=number_of_unknowns,
                    auxiliary_variables=0,
                    min_meshcell_h=min_volume_h,
                    max_meshcell_h=max_volume_h,
                    time_step_relaxation=cfl,
                    KOSigma=KOSig,
                    pde_terms_without_state=True,
                )
            elif (
                SuperClass == exahype2.solvers.rkfd.fd4.GlobalFixedTimeStep
                or SuperClass
                == exahype2.solvers.rkfd.fd4.GlobalFixedTimeStepWithEnclaveTasking
            ):
                if args.implementation == "fd4-rk1-fixed":
                    rk_order = 1
                else:
                    rk_order = 4
                SuperClass.__init__(
                    self,
                    name=name,
                    patch_size=patch_size,
                    rk_order=rk_order,
                    unknowns=number_of_unknowns,
                    auxiliary_variables=0,
                    min_meshcell_h=min_volume_h,
                    max_meshcell_h=max_volume_h,
                    normalised_time_step_size=0.01,
                    KOSigma=KOSig,
                )
            else:
                SuperClass.__init__(
                    self,
                    name=name,
                    patch_size=patch_size,
                    unknowns=number_of_unknowns,
                    auxiliary_variables=0,
                    min_volume_h=min_volume_h,
                    max_volume_h=max_volume_h,
                    time_step_relaxation=cfl
                    # use_gpu =args.GPU #=="fv-fixed-gpu" else False
                    #                        use_gpu = True if args.implementation=="fv-adaptive-gpu" else False
                )
 
            self._patch_size = patch_size
            self._domain_r = domain_r
 
            self.set_implementation(
                boundary_conditions=exahype2.solvers.PDETerms.User_Defined_Implementation,
                ncp=exahype2.solvers.PDETerms.User_Defined_Implementation,
                flux=exahype2.solvers.PDETerms.None_Implementation,
                source_term=exahype2.solvers.PDETerms.User_Defined_Implementation,
                refinement_criterion=exahype2.solvers.PDETerms.User_Defined_Implementation,
                eigenvalues=exahype2.solvers.PDETerms.User_Defined_Implementation,
            )
 
            if (
                SuperClass
                == exahype2.solvers.rkfd.fd4.GlobalAdaptiveTimeStepWithEnclaveTasking
            ):
                self._fused_compute_kernel_call_cpu = exahype2.solvers.rkfd.fd4.kernels.create_compute_kernel_for_FD4(
                    self._flux_implementation,
                    self._ncp_implementation,
                    self._source_term_implementation,
                    compute_max_eigenvalue_of_next_time_step=True,
                    solver_variant=exahype2.solvers.rkfd.kernels.SolverVariant.Multicore,
                    kernel_variant=exahype2.solvers.rkfd.kernels.KernelVariant.BatchedAoSHeap,
                    KOSigma=self._KO_Sigma,
                )
 
            self.postprocess_updated_patch = """
{
"""
 
            if (
                SuperClass == exahype2.solvers.rkfd.fd4.GlobalAdaptiveTimeStep
                or SuperClass == exahype2.solvers.rkfd.fd4.GlobalFixedTimeStep
                or SuperClass
                == exahype2.solvers.rkfd.fd4.GlobalAdaptiveTimeStepWithEnclaveTasking
                # or SuperClass==exahype2.solvers.rkfd.fd4.GlobalFixedTimeStepWithEnclaveTasking no fixed enclave version yet
            ):
                self.postprocess_updated_patch += """
    #if DIMENSIONS==2
    constexpr int itmax = {{NUMBER_OF_GRID_CELLS_PER_PATCH_PER_AXIS}} * {{NUMBER_OF_GRID_CELLS_PER_PATCH_PER_AXIS}};
    #endif
 
    #if DIMENSIONS==3
    constexpr int itmax = {{NUMBER_OF_GRID_CELLS_PER_PATCH_PER_AXIS}} * {{NUMBER_OF_GRID_CELLS_PER_PATCH_PER_AXIS}} * {{NUMBER_OF_GRID_CELLS_PER_PATCH_PER_AXIS}};
    #endif
"""
            # elif SuperClass == exahype2.solvers.rkdg.rusanov.GlobalAdaptiveTimeStep: fix it after rkdg is back
            #  self.postprocess_updated_patch = """
            # constexpr int itmax = ({{ORDER}}+1) * ({{ORDER}}+1) * ({{ORDER}}+1); // only support 3d
            # """
            else:
                self.postprocess_updated_patch += """
    #if DIMENSIONS==2
    constexpr int itmax = {{NUMBER_OF_VOLUMES_PER_AXIS}} * {{NUMBER_OF_VOLUMES_PER_AXIS}};
    #endif
 
    #if DIMENSIONS==3
    constexpr int itmax = {{NUMBER_OF_VOLUMES_PER_AXIS}} * {{NUMBER_OF_VOLUMES_PER_AXIS}} * {{NUMBER_OF_VOLUMES_PER_AXIS}};
    #endif
"""
 
            self.postprocess_updated_patch += """
    int index = 0;
    for (int i=0;i<itmax;i++)
    {
      applications::exahype2::ccz4::enforceCCZ4constraints( newQ+index );
      index += {{NUMBER_OF_UNKNOWNS}} + {{NUMBER_OF_AUXILIARY_VARIABLES}};
    }
  }
"""
 
        def create_action_sets(self):
            SuperClass.create_action_sets(self)
            self._action_set_couple_resolution_transitions_and_handle_dynamic_mesh_refinement.additional_includes += """ 
#include "../CCZ4Kernels.h"
            """
 
        def get_user_action_set_includes(self):
            """
            We take this routine to add a few additional include statements.
            """
            return (
                SuperClass.get_user_action_set_includes(self) + self._my_user_includes
            )
 
    

    userinfo = []
    exe = "peano4"
 
    if args.exe_name != "":
        exe += "_"
        exe += args.exe_name
    if not args.tra_name == "de":
        exe += "_" + args.tra_name
    project = exahype2.Project(
        ["benchmarks", "exahype2", "ccz4"], "ccz4", executable=exe
    )
 
    
    is_aderdg = False
    is_rkdg = False
    solver_name = "CCZ4"
    try:
        if (
            SuperClass
            == exahype2.solvers.aderdg.NonFusedGenericRusanovFixedTimeStepSize
        ):
            is_aderdg = True
            order = 3
            unknowns = 59
            time_step_size = 0.001
    except Exception as e:
        pass
        # msg = "Warning: ADER-DG no supported on this machine"
        # print(msg)
        # userinfo.append((msg,e))
 
    try:
        if SuperClass == exahype2.solvers.rkdg.rusanov.GlobalAdaptiveTimeStep:
            is_rkdg = True
    except Exception as e:
        pass
        msg = "Warning: RKDG not supported on this machine"
        print(msg)
        userinfo.append((msg, e))
 
    if is_aderdg:
        solver_name = "ADERDG" + solver_name
    elif is_rkdg:
        solver_name = "RKDG" + solver_name
    else:
        solver_name = solver_name
 
    # if args.SO_flag==True:
    #  args.cfl=args.cfl/2
 
    min_h = args.min_h
    if min_h <= 0.0:
        print("No minimal mesh size chosen. Set it to max mesh size (regular grid)")
        min_h = args.max_h
 
    if is_aderdg:
        my_solver = exahype2.solvers.aderdg.NonFusedGenericRusanovFixedTimeStepSize(
            solver_name,
            order,
            unknowns,
            0,  # auxiliary_variables
            exahype2.solvers.aderdg.Polynomials.Gauss_Legendre,
            min_h,
            args.max_h,
            time_step_size,
            flux=None,
            ncp=exahype2.solvers.PDETerms.User_Defined_Implementation,
            sources=exahype2.solvers.PDETerms.User_Defined_Implementation,
        )
    else:
        my_solver = CCZ4Solver(
            solver_name,
            args.patch_size,
            min_h,
            args.max_h,
            args.cfl,
            args.CCZ4domain_r,
            args.CCZ4KOSigma,
        )
        userinfo.append(("CFL ratio set as " + str(args.cfl), None))
 
    userinfo.append(("The solver is " + args.implementation, None))
 
    
 
    if args.interpolation == "order-2":
        my_solver.overlap = 2
 
    if args.interpolation == "constant":
        my_solver.interpolation = "piecewise_constant"
        print("Interpolation rule: piecewise_constant")
    if args.interpolation == "linear-constant-extrap":
        my_solver.interpolation = "linear_with_constant_extrapolation"
        print("Interpolation rule: linear constant extrapolation")
    if args.interpolation == "linear-linear-extrap":
        my_solver.interpolation = "linear_with_linear_extrapolation"
        print("Interpolation rule: linear extrapolation")
    if args.interpolation == "linear-con-extrap-lin-normal-interp":
        my_solver.interpolation = (
            "linear_with_constant_extrapolation_and_linear_normal_interpolation"
        )
        print(
            "Interpolation rule: linear+constant extrapolation and linear normal interpolation"
        )
 
    if args.interpolation == "order-2":
        my_solver.interpolation = "linear"
 
    tem_interp = ["TP_constant", "TP_linear_with_linear_extrap_normal_interp"]
    tem_restrict = ["TP_inject_normal_extrap", "TP_average_normal_extrap"]
    if "fd4-rk" in args.implementation:
        if args.interpolation == "matrix":
            exahype2.solvers.rkfd.fd4.switch_to_FD4_matrix_interpolation(my_solver)
        elif args.interpolation == "second_order":
            exahype2.solvers.rkfd.fd4.switch_to_FD4_second_order_interpolation(
                my_solver
            )
        elif args.interpolation == "third_order":
            exahype2.solvers.rkfd.fd4.switch_to_FD4_third_order_interpolation(my_solver)
        else:
            exahype2.solvers.rkfd.fd4.switch_to_FD4_tensor_product_interpolation(
                my_solver, tem_interp[1]
            )
            userinfo.append(("FD4 Interpolation: " + tem_interp[1], None))
 
        if args.restriction == "matrix":
            exahype2.solvers.rkfd.fd4.switch_to_FD4_matrix_restriction(my_solver)
        elif args.restriction == "second_order":
            exahype2.solvers.rkfd.fd4.switch_to_FD4_second_order_restriction(my_solver)
        #      elif args.restriction == "third_order":
        #        exahype2.solvers.rkfd.fd4.switch_to_FD4_third_order_restriction( my_solver )
        else:
            exahype2.solvers.rkfd.fd4.switch_to_FD4_tensor_product_restriction(
                my_solver, tem_restrict[1]
            )
            userinfo.append(("FD4 Restriction: " + tem_restrict[1], None))
 
        # userinfo.append(("FD4 Interpolation: " + tem_interp[1] + " & Restriction: " + tem_restrict[1], None))
 
    
    for k, v in intparams.items():
        intparams.update({k: eval("args.CCZ4{}".format(k))})
    for k, v in floatparams.items():
        floatparams.update({k: eval("args.CCZ4{}".format(k))})
 
    if args.SO_flag == True:
        intparams.update({"SO": 1})
 
    if args.scenario == "two-punctures":
        msg = "Periodic BC deactivated because you pick Puncture scenario\nInitialize binary black holes"
        print(msg)
        periodic_boundary_conditions = [False, False, False]
        intparams.update(
            {"swi": 2}
        )  # notice it may change, see according function in CCZ4.cpp
        print(intparams)
        userinfo.append((msg, None))
    elif args.scenario == "single-puncture":
        msg = "Periodic BC deactivated because you pick Puncture scenario\nInitialize single black hole"
        print(msg)
        periodic_boundary_conditions = [False, False, False]
        intparams.update({"swi": 0})
        userinfo.append((msg, None))
    elif args.periodic_bc == True:
        msg = "Periodic BC set"
        print(msg)
        periodic_boundary_conditions = [True, True, True]  # Periodic BC
        userinfo.append((msg, None))
    else:
        msg = "WARNING: Periodic BC deactivated by hand"
        print(msg)
        periodic_boundary_conditions = [False, False, False]
        userinfo.append((msg, None))
 
    solverconstants = ""
 
    if args.scenario == "gauge":
        solverconstants += "static constexpr int Scenario=0; /* Gauge wave */ \n "
        userinfo.append(("picking gauge wave scenario", None))
        floatparams.update({"sk": 0.0})
        floatparams.update({"bs": 0.0})
        intparams.update({"LapseType": 0})
    elif (args.scenario == "two-punctures") or (args.scenario == "single-puncture"):
        solverconstants += "static constexpr int Scenario=2; /* Two-puncture */ \n"
        userinfo.append(("picking black hole scenario", None))
    else:
        raise Exception("Scenario " + args.scenario + " is now unknown")
 
    for k, v in floatparams.items():
        solverconstants += "static constexpr double {} = {};\n".format(
            "CCZ4{}".format(k), v
        )
    for k, v in intparams.items():
        solverconstants += "static constexpr int {} = {};\n".format(
            "CCZ4{}".format(k), v
        )
    my_solver.add_solver_constants(solverconstants)
 
    project.add_solver(my_solver)
 
    build_mode = modes[args.mode]
 
    dimensions = 3
 
    
    floatparams.update({"domain_r": args.CCZ4domain_r})
    dr = floatparams["domain_r"]
    offset = [-dr, -dr, -dr]
    domain_size = [2 * dr, 2 * dr, 2 * dr]
    msg = "domain set as " + str(offset) + " and " + str(domain_size)
    print(msg)
    userinfo.append((msg, None))
 
    project.set_global_simulation_parameters(
        dimensions,  # dimensions
        offset,
        domain_size,
        args.end_time,  # end time
        args.plot_start_time,
        args.plot_step_size,  # snapshots
        periodic_boundary_conditions,
        8,  # plotter precision
    )
    userinfo.append(
        (
            "plot start time: "
            + str(args.plot_start_time)
            + ", plot step size: "
            + str(args.plot_step_size),
            None,
        )
    )
    userinfo.append(("Terminal time: " + str(args.end_time), None))
 
    project.set_Peano4_installation("../../../..", build_mode)
 
    
    path = "./"
    if not args.path == "./":
        path = args.path
    # path="/cosma5/data/durham/dc-zhan3/bbh-c5-1"
    # path="/cosma6/data/dp004/dc-zhan3/exahype2/sbh-fv3"
    project.set_output_path(path)
    probe_point = [-12, -12, 0.0]
    project.add_plot_filter(probe_point, [24.0, 24.0, 0.01], 1)
 
    project.set_load_balancer("new ::exahype2::LoadBalancingConfiguration")
 
    
    peano4_project = project.generate_Peano4_project(verbose=True)
    peano4_project.output.makefile.add_header_search_path(
        "../../../../applications/exahype2/ccz4/"
    )
 
    if (
        args.scenario == "gauge"
        or args.scenario == "linear"
        or args.scenario == "dia_gauge"
        or args.scenario == "flat"
    ):
        pass
    elif args.scenario == "two-punctures" or args.scenario == "single-puncture":
        peano4_project.output.makefile.add_linker_flag("-lm -lgsl -lgslcblas")
        peano4_project.output.makefile.add_cpp_file(
            "../../../../applications/exahype2/ccz4/libtwopunctures/TP_Utilities.cpp"
        )
        peano4_project.output.makefile.add_cpp_file(
            "../../../../applications/exahype2/ccz4/libtwopunctures/TP_Parameters.cpp"
        )
        peano4_project.output.makefile.add_cpp_file(
            "../../../../applications/exahype2/ccz4/libtwopunctures/TP_Logging.cpp"
        )
        peano4_project.output.makefile.add_cpp_file(
            "../../../../applications/exahype2/ccz4/libtwopunctures/TwoPunctures.cpp"
        )
        peano4_project.output.makefile.add_cpp_file(
            "../../../../applications/exahype2/ccz4/libtwopunctures/CoordTransf.cpp"
        )
        peano4_project.output.makefile.add_cpp_file(
            "../../../../applications/exahype2/ccz4/libtwopunctures/Equations.cpp"
        )
        peano4_project.output.makefile.add_cpp_file(
            "../../../../applications/exahype2/ccz4/libtwopunctures/FuncAndJacobian.cpp"
        )
        peano4_project.output.makefile.add_cpp_file(
            "../../../../applications/exahype2/ccz4/libtwopunctures/Newton.cpp"
        )
        peano4_project.output.makefile.add_CXX_flag("-DIncludeTwoPunctures")
    else:
        raise Exception("Scenario " + args.scenario + " is now unknown")
 
    peano4_project.output.makefile.add_CXX_flag("-DCCZ4EINSTEIN")
 
    peano4_project.output.makefile.add_h_file("CCZ4.h")
    peano4_project.output.makefile.add_cpp_file("CCZ4.cpp")
    peano4_project.output.makefile.add_cpp_file(
        "../../../../applications/exahype2/ccz4/InitialValues.cpp"
    )
    peano4_project.output.makefile.add_cpp_file(
        "../../../../applications/exahype2/ccz4/CCZ4Kernels.cpp"
    )
 
    peano4_project.generate(throw_away_data_after_generation=False)
    peano4_project.build(make_clean_first=True)
 
    # Report the application information
    userinfo.append(("the executable file name: " + exe, None))
    userinfo.append(("output directory: " + path, None))
    print("=========================================================")
    if not args.add_tracer == 0:
        userinfo.append(("tracer output file: " + args.path + "Tracer-test", None))
    if len(userinfo) > 0:
        print("The building information:")
        for msg, exception in userinfo:
            if exception is None:
                print(msg)
            else:
                print(msg, "Exception: {}".format(exception))
    print(intparams)
    print(floatparams)
    print("=========================================================")