full scaling tests

run_plasma/CPU/inputs.2d_1024cpu

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+amrex.use_gpu_aware_mpi = 1
+
+mlmg.setPreSmooth = 2
+mlmg.setPostSmooth = 2
+
+mlmg.setFinalSmooth = 8
+mlmg.setBottomSmooth = 0
+
+mlmg.bottomSolver = 0
+mlmg.setBottomTolerance = 1.e-4
+
+lpinfo.setMaxCoarseningLevel = 30
+
+# Argon
+# We want to simulate Figs. 4 (b), 5 (a) and (b), and 7 (a) in Rauf et al. 2020.
+
+my_constants.Ngas = 3.22e20  # 100 mTorr # (m^-3)
+my_constants.Tgas = 300. # (K)
+my_constants.Te = 23212. # (K) see Chen et al. 2024
+my_constants.Nplasma = 5.e16 # (m^-3) see Chen et al. 2024
+my_constants.freq = 13.56e6 # (Hz)
+my_constants.Mion = 6.63e-26 # (kg)
+my_constants.voltage = 100. # (V)
+my_constants.clight = 3.e8 # speed of light in vacuum
+my_constants.m_e = 9.11e-31 # (kg)
+my_constants.kb = 1.38e-23 # (J/K)
+
+# amr.restart = ./diags/chk01450000
+max_step = 100 # 2000000 # 5000 RF cycles
+warpx.verbose = 1
+warpx.const_dt = 1.0/(400*freq)
+warpx.do_electrostatic = labframe
+warpx.self_fields_required_precision = 1.e-7 #
+warpx.use_filter = 0
+warpx.sort_intervals = -1
+
+amr.n_cell = 4096 2048
+amr.max_grid_size_x = 128
+amr.max_grid_size_y = 64
+amr.blocking_factor = 8
+amr.max_level = 0
+
+geometry.dims = 2
+geometry.prob_lo =  -0.1035  -0.0527  # x z  # cover complete chamber (do not exploit symmetry)
+geometry.prob_hi =  0.1035   0.0527
+boundary.field_lo = pec pec
+boundary.field_hi = pec pec
+boundary.potential_hi_x = 0.
+boundary.potential_lo_z = 0.
+boundary.potential_lo_x = 0.
+boundary.potential_hi_z = 0.
+boundary.particle_lo = reflecting reflecting
+boundary.particle_hi = reflecting reflecting
+
+# Order of particle shape factors
+algo.particle_shape = 1
+
+# EB
+my_constants.te_xmax = 0.0488
+my_constants.dx_thick = 0.0032 # dielectric thickness
+my_constants.be_xmax = 0.052
+my_constants.zhi = 0.0128
+my_constants.zlo = -0.0128
+warpx.eb_implicit_function = "min(max((zlo-z),(z-zhi)),-max((x+(-be_xmax)),-(x+be_xmax)))" # "if( ((z>zhi) or (z<zlo)) and (x<be_xmax) and (x>-be_xmax) , 1,-1 )" # ??
+warpx.eb_potential(x,y,z,t) = " sin(2*pi*freq*t)*(voltage*(z>zhi)*(x<te_xmax)*(x>-te_xmax) + voltage*(z>zhi)*(x>te_xmax)*(x<be_xmax)*(be_xmax-x)/dx_thick + voltage*(z>zhi)*(x<-te_xmax)*(x>-be_xmax)*(x+be_xmax)/dx_thick + 0.*(z<zlo)*(x<be_xmax)*(x>-be_xmax)) "
+
+particles.species_names = electrons ar_ions
+
+electrons.species_type = electron
+electrons.injection_style = nuniformpercell
+electrons.initialize_self_fields = 0
+electrons.num_particles_per_cell_each_dim = 8 8
+electrons.profile = constant
+electrons.density = Nplasma
+electrons.momentum_distribution_type = maxwell_boltzmann
+electrons.theta = (kb*Te/(m_e*clight^2))
+
+ar_ions.species_type = argon
+ar_ions.charge = q_e
+ar_ions.injection_style = nuniformpercell
+ar_ions.initialize_self_fields = 0
+ar_ions.num_particles_per_cell_each_dim = 8 8
+ar_ions.profile = constant
+ar_ions.density = Nplasma
+ar_ions.momentum_distribution_type = maxwell_boltzmann
+ar_ions.theta = (kb*Tgas/(Mion*clight^2))
+ar_ions.save_particles_at_eb = 1
+
+#collisions.collision_names = coll_elec  coll_ion
+coll_ion.type = background_mcc
+coll_ion.species = ar_ions
+coll_ion.background_density = Ngas
+coll_ion.background_temperature = Tgas
+coll_ion.scattering_processes = elastic back charge_exchange
+coll_ion.elastic_cross_section = /global/cfs/cdirs/mp111/warpx-data/MCC_cross_sections/Ar/ion_scattering.dat
+coll_ion.back_cross_section = /global/cfs/cdirs/mp111/warpx-data/MCC_cross_sections/Ar/ion_back_scatter.dat
+coll_ion.charge_exchange_cross_section = /global/cfs/cdirs/mp111/warpx-data/MCC_cross_sections/Ar/charge_exchange.dat
+
+coll_elec.type = background_mcc
+coll_elec.species = electrons
+coll_elec.background_density = Ngas
+coll_elec.background_temperature = Tgas
+coll_elec.scattering_processes = elastic excitation1 ionization
+coll_elec.elastic_cross_section = /global/cfs/cdirs/mp111/warpx-data/MCC_cross_sections/Ar/electron_scattering.dat
+coll_elec.excitation1_energy = 11.5
+coll_elec.excitation1_cross_section = /global/cfs/cdirs/mp111/warpx-data/MCC_cross_sections/Ar/excitation_1.dat
+coll_elec.ionization_energy = 15.7596112
+coll_elec.ionization_cross_section = /global/cfs/cdirs/mp111/warpx-data/MCC_cross_sections/Ar/ionization.dat
+coll_elec.ionization_species = ar_ions
+
+#diagnostics.diags_names = plt chk #plt_eb
+#plt.diag_type = Full
+#plt.intervals = 1
+#plt.fields_to_plot = phi
+#plt.file_min_digits = 8
+
+#plt_eb.diag_type = BoundaryScraping
+#plt_eb.format = openpmd
+#plt_eb.fields_to_plot = phi
+#plt_eb.particle_field_species = ar_ions
+#plt_eb.intervals = 190000:200000:1000
+
+#chk.diag_type = Full
+#chk.format = checkpoint
+#chk.intervals = 1000
+#chk.file_min_digits = 8
+
+#warpx.reduced_diags_names = partnum
+#partnum.type = ParticleNumber
+#partnum.intervals = 1

run_plasma/CPU/inputs.2d_16384cpu

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+amrex.use_gpu_aware_mpi = 1
+
+mlmg.setPreSmooth = 2
+mlmg.setPostSmooth = 2
+
+mlmg.setFinalSmooth = 8
+mlmg.setBottomSmooth = 0
+
+mlmg.bottomSolver = 0
+mlmg.setBottomTolerance = 1.e-4
+
+lpinfo.setMaxCoarseningLevel = 30
+
+# Argon
+# We want to simulate Figs. 4 (b), 5 (a) and (b), and 7 (a) in Rauf et al. 2020.
+
+my_constants.Ngas = 3.22e20  # 100 mTorr # (m^-3)
+my_constants.Tgas = 300. # (K)
+my_constants.Te = 23212. # (K) see Chen et al. 2024
+my_constants.Nplasma = 5.e16 # (m^-3) see Chen et al. 2024
+my_constants.freq = 13.56e6 # (Hz)
+my_constants.Mion = 6.63e-26 # (kg)
+my_constants.voltage = 100. # (V)
+my_constants.clight = 3.e8 # speed of light in vacuum
+my_constants.m_e = 9.11e-31 # (kg)
+my_constants.kb = 1.38e-23 # (J/K)
+
+# amr.restart = ./diags/chk01450000
+max_step = 100 # 2000000 # 5000 RF cycles
+warpx.verbose = 1
+warpx.const_dt = 1.0/(400*freq)
+warpx.do_electrostatic = labframe
+warpx.self_fields_required_precision = 1.e-7 #
+warpx.use_filter = 0
+warpx.sort_intervals = -1
+
+amr.n_cell = 16384 8192
+amr.max_grid_size_x = 128
+amr.max_grid_size_y = 64
+amr.blocking_factor = 8
+amr.max_level = 0
+
+geometry.dims = 2
+geometry.prob_lo =  -0.1035  -0.0527  # x z  # cover complete chamber (do not exploit symmetry)
+geometry.prob_hi =  0.1035   0.0527
+boundary.field_lo = pec pec
+boundary.field_hi = pec pec
+boundary.potential_hi_x = 0.
+boundary.potential_lo_z = 0.
+boundary.potential_lo_x = 0.
+boundary.potential_hi_z = 0.
+boundary.particle_lo = reflecting reflecting
+boundary.particle_hi = reflecting reflecting
+
+# Order of particle shape factors
+algo.particle_shape = 1
+
+# EB
+my_constants.te_xmax = 0.0488
+my_constants.dx_thick = 0.0032 # dielectric thickness
+my_constants.be_xmax = 0.052
+my_constants.zhi = 0.0128
+my_constants.zlo = -0.0128
+warpx.eb_implicit_function = "min(max((zlo-z),(z-zhi)),-max((x+(-be_xmax)),-(x+be_xmax)))" # "if( ((z>zhi) or (z<zlo)) and (x<be_xmax) and (x>-be_xmax) , 1,-1 )" # ??
+warpx.eb_potential(x,y,z,t) = " sin(2*pi*freq*t)*(voltage*(z>zhi)*(x<te_xmax)*(x>-te_xmax) + voltage*(z>zhi)*(x>te_xmax)*(x<be_xmax)*(be_xmax-x)/dx_thick + voltage*(z>zhi)*(x<-te_xmax)*(x>-be_xmax)*(x+be_xmax)/dx_thick + 0.*(z<zlo)*(x<be_xmax)*(x>-be_xmax)) "
+
+particles.species_names = electrons ar_ions
+
+electrons.species_type = electron
+electrons.injection_style = nuniformpercell
+electrons.initialize_self_fields = 0
+electrons.num_particles_per_cell_each_dim = 8 8
+electrons.profile = constant
+electrons.density = Nplasma
+electrons.momentum_distribution_type = maxwell_boltzmann
+electrons.theta = (kb*Te/(m_e*clight^2))
+
+ar_ions.species_type = argon
+ar_ions.charge = q_e
+ar_ions.injection_style = nuniformpercell
+ar_ions.initialize_self_fields = 0
+ar_ions.num_particles_per_cell_each_dim = 8 8
+ar_ions.profile = constant
+ar_ions.density = Nplasma
+ar_ions.momentum_distribution_type = maxwell_boltzmann
+ar_ions.theta = (kb*Tgas/(Mion*clight^2))
+ar_ions.save_particles_at_eb = 1
+
+#collisions.collision_names = coll_elec  coll_ion
+coll_ion.type = background_mcc
+coll_ion.species = ar_ions
+coll_ion.background_density = Ngas
+coll_ion.background_temperature = Tgas
+coll_ion.scattering_processes = elastic back charge_exchange
+coll_ion.elastic_cross_section = /global/cfs/cdirs/mp111/warpx-data/MCC_cross_sections/Ar/ion_scattering.dat
+coll_ion.back_cross_section = /global/cfs/cdirs/mp111/warpx-data/MCC_cross_sections/Ar/ion_back_scatter.dat
+coll_ion.charge_exchange_cross_section = /global/cfs/cdirs/mp111/warpx-data/MCC_cross_sections/Ar/charge_exchange.dat
+
+coll_elec.type = background_mcc
+coll_elec.species = electrons
+coll_elec.background_density = Ngas
+coll_elec.background_temperature = Tgas
+coll_elec.scattering_processes = elastic excitation1 ionization
+coll_elec.elastic_cross_section = /global/cfs/cdirs/mp111/warpx-data/MCC_cross_sections/Ar/electron_scattering.dat
+coll_elec.excitation1_energy = 11.5
+coll_elec.excitation1_cross_section = /global/cfs/cdirs/mp111/warpx-data/MCC_cross_sections/Ar/excitation_1.dat
+coll_elec.ionization_energy = 15.7596112
+coll_elec.ionization_cross_section = /global/cfs/cdirs/mp111/warpx-data/MCC_cross_sections/Ar/ionization.dat
+coll_elec.ionization_species = ar_ions
+
+#diagnostics.diags_names = plt chk #plt_eb
+#plt.diag_type = Full
+#plt.intervals = 1
+#plt.fields_to_plot = phi
+#plt.file_min_digits = 8
+
+#plt_eb.diag_type = BoundaryScraping
+#plt_eb.format = openpmd
+#plt_eb.fields_to_plot = phi
+#plt_eb.particle_field_species = ar_ions
+#plt_eb.intervals = 190000:200000:1000
+
+#chk.diag_type = Full
+#chk.format = checkpoint
+#chk.intervals = 1000
+#chk.file_min_digits = 8
+
+#warpx.reduced_diags_names = partnum
+#partnum.type = ParticleNumber
+#partnum.intervals = 1

run_plasma/CPU/inputs.2d_4096cpu

@@ -0,0 +1,130 @@
+amrex.use_gpu_aware_mpi = 1
+
+mlmg.setPreSmooth = 2
+mlmg.setPostSmooth = 2
+
+mlmg.setFinalSmooth = 8
+mlmg.setBottomSmooth = 0
+
+mlmg.bottomSolver = 0
+mlmg.setBottomTolerance = 1.e-4
+
+lpinfo.setMaxCoarseningLevel = 30
+
+# Argon
+# We want to simulate Figs. 4 (b), 5 (a) and (b), and 7 (a) in Rauf et al. 2020.
+
+my_constants.Ngas = 3.22e20  # 100 mTorr # (m^-3)
+my_constants.Tgas = 300. # (K)
+my_constants.Te = 23212. # (K) see Chen et al. 2024
+my_constants.Nplasma = 5.e16 # (m^-3) see Chen et al. 2024
+my_constants.freq = 13.56e6 # (Hz)
+my_constants.Mion = 6.63e-26 # (kg)
+my_constants.voltage = 100. # (V)
+my_constants.clight = 3.e8 # speed of light in vacuum
+my_constants.m_e = 9.11e-31 # (kg)
+my_constants.kb = 1.38e-23 # (J/K)
+
+# amr.restart = ./diags/chk01450000
+max_step = 100 # 2000000 # 5000 RF cycles
+warpx.verbose = 1
+warpx.const_dt = 1.0/(400*freq)
+warpx.do_electrostatic = labframe
+warpx.self_fields_required_precision = 1.e-7 #
+warpx.use_filter = 0
+warpx.sort_intervals = -1
+
+amr.n_cell = 8192 4096
+amr.max_grid_size_x = 128
+amr.max_grid_size_y = 64
+amr.blocking_factor = 8
+amr.max_level = 0
+
+geometry.dims = 2
+geometry.prob_lo =  -0.1035  -0.0527  # x z  # cover complete chamber (do not exploit symmetry)
+geometry.prob_hi =  0.1035   0.0527
+boundary.field_lo = pec pec
+boundary.field_hi = pec pec
+boundary.potential_hi_x = 0.
+boundary.potential_lo_z = 0.
+boundary.potential_lo_x = 0.
+boundary.potential_hi_z = 0.
+boundary.particle_lo = reflecting reflecting
+boundary.particle_hi = reflecting reflecting
+
+# Order of particle shape factors
+algo.particle_shape = 1
+
+# EB
+my_constants.te_xmax = 0.0488
+my_constants.dx_thick = 0.0032 # dielectric thickness
+my_constants.be_xmax = 0.052
+my_constants.zhi = 0.0128
+my_constants.zlo = -0.0128
+warpx.eb_implicit_function = "min(max((zlo-z),(z-zhi)),-max((x+(-be_xmax)),-(x+be_xmax)))" # "if( ((z>zhi) or (z<zlo)) and (x<be_xmax) and (x>-be_xmax) , 1,-1 )" # ??
+warpx.eb_potential(x,y,z,t) = " sin(2*pi*freq*t)*(voltage*(z>zhi)*(x<te_xmax)*(x>-te_xmax) + voltage*(z>zhi)*(x>te_xmax)*(x<be_xmax)*(be_xmax-x)/dx_thick + voltage*(z>zhi)*(x<-te_xmax)*(x>-be_xmax)*(x+be_xmax)/dx_thick + 0.*(z<zlo)*(x<be_xmax)*(x>-be_xmax)) "
+
+particles.species_names = electrons ar_ions
+
+electrons.species_type = electron
+electrons.injection_style = nuniformpercell
+electrons.initialize_self_fields = 0
+electrons.num_particles_per_cell_each_dim = 8 8
+electrons.profile = constant
+electrons.density = Nplasma
+electrons.momentum_distribution_type = maxwell_boltzmann
+electrons.theta = (kb*Te/(m_e*clight^2))
+
+ar_ions.species_type = argon
+ar_ions.charge = q_e
+ar_ions.injection_style = nuniformpercell
+ar_ions.initialize_self_fields = 0
+ar_ions.num_particles_per_cell_each_dim = 8 8
+ar_ions.profile = constant
+ar_ions.density = Nplasma
+ar_ions.momentum_distribution_type = maxwell_boltzmann
+ar_ions.theta = (kb*Tgas/(Mion*clight^2))
+ar_ions.save_particles_at_eb = 1
+
+#collisions.collision_names = coll_elec  coll_ion
+coll_ion.type = background_mcc
+coll_ion.species = ar_ions
+coll_ion.background_density = Ngas
+coll_ion.background_temperature = Tgas
+coll_ion.scattering_processes = elastic back charge_exchange
+coll_ion.elastic_cross_section = /global/cfs/cdirs/mp111/warpx-data/MCC_cross_sections/Ar/ion_scattering.dat
+coll_ion.back_cross_section = /global/cfs/cdirs/mp111/warpx-data/MCC_cross_sections/Ar/ion_back_scatter.dat
+coll_ion.charge_exchange_cross_section = /global/cfs/cdirs/mp111/warpx-data/MCC_cross_sections/Ar/charge_exchange.dat
+
+coll_elec.type = background_mcc
+coll_elec.species = electrons
+coll_elec.background_density = Ngas
+coll_elec.background_temperature = Tgas
+coll_elec.scattering_processes = elastic excitation1 ionization
+coll_elec.elastic_cross_section = /global/cfs/cdirs/mp111/warpx-data/MCC_cross_sections/Ar/electron_scattering.dat
+coll_elec.excitation1_energy = 11.5
+coll_elec.excitation1_cross_section = /global/cfs/cdirs/mp111/warpx-data/MCC_cross_sections/Ar/excitation_1.dat
+coll_elec.ionization_energy = 15.7596112
+coll_elec.ionization_cross_section = /global/cfs/cdirs/mp111/warpx-data/MCC_cross_sections/Ar/ionization.dat
+coll_elec.ionization_species = ar_ions
+
+#diagnostics.diags_names = plt chk #plt_eb
+#plt.diag_type = Full
+#plt.intervals = 1
+#plt.fields_to_plot = phi
+#plt.file_min_digits = 8
+
+#plt_eb.diag_type = BoundaryScraping
+#plt_eb.format = openpmd
+#plt_eb.fields_to_plot = phi
+#plt_eb.particle_field_species = ar_ions
+#plt_eb.intervals = 190000:200000:1000
+
+#chk.diag_type = Full
+#chk.format = checkpoint
+#chk.intervals = 1000
+#chk.file_min_digits = 8
+
+#warpx.reduced_diags_names = partnum
+#partnum.type = ParticleNumber
+#partnum.intervals = 1