mirror of
https://github.com/DifferentiableUniverseInitiative/JaxPM.git
synced 2025-04-04 11:10:53 +00:00
format tests
This commit is contained in:
Wassim Kabalan
parent
af29c4005d
commit
97f39bd051
3 changed files with 94 additions and 76 deletions
4
pytest.ini
Normal file
4
pytest.ini
Normal file
|
|
@ -0,0 +1,4 @@
|
|||
[pytest]
|
||||
markers =
|
||||
distributed: mark a test as distributed
|
||||
single_device: mark a test as single_device
|
||||
|
|
@ -1,21 +1,21 @@
|
|||
import pytest
|
||||
|
||||
|
||||
from diffrax import Dopri5, ODETerm, PIDController, SaveAt, diffeqsolve
|
||||
from helpers import MSE, MSRE
|
||||
from jax import numpy as jnp
|
||||
|
||||
from jaxpm.distributed import uniform_particles
|
||||
from jaxpm.painting import cic_paint, cic_paint_dx
|
||||
from jaxpm.pm import lpt, make_diffrax_ode
|
||||
from jaxpm.distributed import uniform_particles
|
||||
from helpers import MSE , MSRE
|
||||
from diffrax import diffeqsolve, ODETerm, SaveAt, PIDController, Dopri5
|
||||
from jaxpm.utils import power_spectrum
|
||||
|
||||
_TOLERANCE = 1e-4
|
||||
_PM_TOLERANCE = 1e-3
|
||||
|
||||
@pytest.mark.parametrize("order", [1 , 2])
|
||||
def test_lpt_absoulute(simulation_config, initial_conditions, lpt_scale_factor,
|
||||
fpm_lpt1_field,fpm_lpt2_field, cosmo , order):
|
||||
|
||||
@pytest.mark.single_device
|
||||
@pytest.mark.parametrize("order", [1, 2])
|
||||
def test_lpt_absolute(simulation_config, initial_conditions, lpt_scale_factor,
|
||||
fpm_lpt1_field, fpm_lpt2_field, cosmo, order):
|
||||
|
||||
mesh_shape, box_shape = simulation_config
|
||||
cosmo._workspace = {}
|
||||
|
|
@ -31,17 +31,18 @@ def test_lpt_absoulute(simulation_config, initial_conditions, lpt_scale_factor,
|
|||
fpm_ref_field = fpm_lpt1_field if order == 1 else fpm_lpt2_field
|
||||
|
||||
lpt_field = cic_paint(jnp.zeros(mesh_shape), particles + dx)
|
||||
_ , jpm_ps = power_spectrum(lpt_field ,box_shape=box_shape)
|
||||
_ , fpm_ps = power_spectrum(fpm_ref_field ,box_shape=box_shape)
|
||||
_, jpm_ps = power_spectrum(lpt_field, box_shape=box_shape)
|
||||
_, fpm_ps = power_spectrum(fpm_ref_field, box_shape=box_shape)
|
||||
|
||||
assert MSE(lpt_field, fpm_ref_field) < _TOLERANCE
|
||||
assert MSRE(jpm_ps, fpm_ps) < _TOLERANCE
|
||||
|
||||
|
||||
@pytest.mark.single_device
|
||||
@pytest.mark.parametrize("order", [1, 2])
|
||||
def test_lpt_relative(simulation_config, initial_conditions, lpt_scale_factor,
|
||||
fpm_lpt1_field,fpm_lpt2_field, cosmo , order):
|
||||
|
||||
fpm_lpt1_field, fpm_lpt2_field, cosmo, order):
|
||||
|
||||
mesh_shape, box_shape = simulation_config
|
||||
cosmo._workspace = {}
|
||||
# Initial displacement
|
||||
|
|
@ -51,26 +52,31 @@ def test_lpt_relative(simulation_config, initial_conditions, lpt_scale_factor,
|
|||
|
||||
fpm_ref_field = fpm_lpt1_field if order == 1 else fpm_lpt2_field
|
||||
|
||||
_ , jpm_ps = power_spectrum(lpt_field ,box_shape=box_shape)
|
||||
_ , fpm_ps = power_spectrum(fpm_ref_field ,box_shape=box_shape)
|
||||
_, jpm_ps = power_spectrum(lpt_field, box_shape=box_shape)
|
||||
_, fpm_ps = power_spectrum(fpm_ref_field, box_shape=box_shape)
|
||||
|
||||
assert MSE(lpt_field, fpm_ref_field) < _TOLERANCE
|
||||
assert MSRE(jpm_ps, fpm_ps) < _TOLERANCE
|
||||
|
||||
|
||||
@pytest.mark.single_device
|
||||
@pytest.mark.parametrize("order", [1, 2])
|
||||
def test_nbody_absolute(simulation_config, initial_conditions, lpt_scale_factor,
|
||||
nbody_from_lpt1,nbody_from_lpt2, cosmo , order):
|
||||
|
||||
def test_nbody_absolute(simulation_config, initial_conditions,
|
||||
lpt_scale_factor, nbody_from_lpt1, nbody_from_lpt2,
|
||||
cosmo, order):
|
||||
|
||||
mesh_shape, box_shape = simulation_config
|
||||
cosmo._workspace = {}
|
||||
particles = uniform_particles(mesh_shape)
|
||||
|
||||
# Initial displacement
|
||||
dx, p, _ = lpt(cosmo, initial_conditions,particles , a=lpt_scale_factor, order=order)
|
||||
dx, p, _ = lpt(cosmo,
|
||||
initial_conditions,
|
||||
particles,
|
||||
a=lpt_scale_factor,
|
||||
order=order)
|
||||
|
||||
ode_fn = ODETerm(
|
||||
make_diffrax_ode(cosmo, mesh_shape))
|
||||
ode_fn = ODETerm(make_diffrax_ode(cosmo, mesh_shape))
|
||||
|
||||
solver = Dopri5()
|
||||
controller = PIDController(rtol=1e-8,
|
||||
|
|
@ -84,33 +90,36 @@ def test_nbody_absolute(simulation_config, initial_conditions, lpt_scale_factor,
|
|||
y0 = jnp.stack([particles + dx, p])
|
||||
|
||||
solutions = diffeqsolve(ode_fn,
|
||||
solver,
|
||||
t0=lpt_scale_factor,
|
||||
t1=1.0,
|
||||
dt0=None,
|
||||
y0=y0,
|
||||
stepsize_controller=controller,
|
||||
saveat=saveat)
|
||||
solver,
|
||||
t0=lpt_scale_factor,
|
||||
t1=1.0,
|
||||
dt0=None,
|
||||
y0=y0,
|
||||
stepsize_controller=controller,
|
||||
saveat=saveat)
|
||||
|
||||
final_field = cic_paint(jnp.zeros(mesh_shape), solutions.ys[-1 , 0])
|
||||
final_field = cic_paint(jnp.zeros(mesh_shape), solutions.ys[-1, 0])
|
||||
|
||||
fpm_ref_field = nbody_from_lpt1 if order == 1 else nbody_from_lpt2
|
||||
|
||||
_ , jpm_ps = power_spectrum(final_field ,box_shape=box_shape)
|
||||
_ , fpm_ps = power_spectrum(fpm_ref_field ,box_shape=box_shape)
|
||||
_, jpm_ps = power_spectrum(final_field, box_shape=box_shape)
|
||||
_, fpm_ps = power_spectrum(fpm_ref_field, box_shape=box_shape)
|
||||
|
||||
assert MSE(final_field, fpm_ref_field) < _PM_TOLERANCE
|
||||
assert MSRE(jpm_ps, fpm_ps) < _PM_TOLERANCE
|
||||
|
||||
|
||||
@pytest.mark.single_device
|
||||
@pytest.mark.parametrize("order", [1, 2])
|
||||
def test_nbody_relative(simulation_config, initial_conditions, lpt_scale_factor,
|
||||
nbody_from_lpt1,nbody_from_lpt2, cosmo , order):
|
||||
def test_nbody_relative(simulation_config, initial_conditions,
|
||||
lpt_scale_factor, nbody_from_lpt1, nbody_from_lpt2,
|
||||
cosmo, order):
|
||||
|
||||
mesh_shape, box_shape = simulation_config
|
||||
cosmo._workspace = {}
|
||||
|
||||
# Initial displacement
|
||||
dx, p, _ = lpt(cosmo, initial_conditions , a=lpt_scale_factor, order=order)
|
||||
dx, p, _ = lpt(cosmo, initial_conditions, a=lpt_scale_factor, order=order)
|
||||
|
||||
ode_fn = ODETerm(
|
||||
make_diffrax_ode(cosmo, mesh_shape, paint_absolute_pos=False))
|
||||
|
|
@ -127,23 +136,20 @@ def test_nbody_relative(simulation_config, initial_conditions, lpt_scale_factor,
|
|||
y0 = jnp.stack([dx, p])
|
||||
|
||||
solutions = diffeqsolve(ode_fn,
|
||||
solver,
|
||||
t0=lpt_scale_factor,
|
||||
t1=1.0,
|
||||
dt0=None,
|
||||
y0=y0,
|
||||
stepsize_controller=controller,
|
||||
saveat=saveat)
|
||||
solver,
|
||||
t0=lpt_scale_factor,
|
||||
t1=1.0,
|
||||
dt0=None,
|
||||
y0=y0,
|
||||
stepsize_controller=controller,
|
||||
saveat=saveat)
|
||||
|
||||
final_field = cic_paint_dx(solutions.ys[-1 , 0])
|
||||
final_field = cic_paint_dx(solutions.ys[-1, 0])
|
||||
|
||||
fpm_ref_field = nbody_from_lpt1 if order == 1 else nbody_from_lpt2
|
||||
|
||||
_ , jpm_ps = power_spectrum(final_field ,box_shape=box_shape)
|
||||
_ , fpm_ps = power_spectrum(fpm_ref_field ,box_shape=box_shape)
|
||||
_, jpm_ps = power_spectrum(final_field, box_shape=box_shape)
|
||||
_, fpm_ps = power_spectrum(fpm_ref_field, box_shape=box_shape)
|
||||
|
||||
assert MSE(final_field, fpm_ref_field) < _PM_TOLERANCE
|
||||
assert MSRE(jpm_ps, fpm_ps) < _PM_TOLERANCE
|
||||
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -1,20 +1,26 @@
|
|||
from conftest import initialize_distributed
|
||||
initialize_distributed() # ignore : E402
|
||||
|
||||
import jax # noqa : E402
|
||||
from jaxpm.painting import cic_paint, cic_paint_dx # noqa : E402
|
||||
import jax.numpy as jnp # noqa : E402
|
||||
import pytest # noqa : E402
|
||||
from jax.experimental.multihost_utils import process_allgather # noqa : E402
|
||||
from jaxpm.distributed import uniform_particles # noqa : E402
|
||||
from jaxpm.pm import lpt, make_diffrax_ode # noqa : E402
|
||||
from diffrax import ODETerm, Dopri5, PIDController, SaveAt, diffeqsolve # noqa : E402
|
||||
from jax.sharding import PartitionSpec as P, NamedSharding # noqa : E402
|
||||
from helpers import MSE # noqa : E402
|
||||
from jax import lax # noqa : E402
|
||||
initialize_distributed() # ignore : E402
|
||||
|
||||
_TOLERANCE = 3.0 # 🙃🙃
|
||||
import jax # noqa : E402
|
||||
import jax.numpy as jnp # noqa : E402
|
||||
import pytest # noqa : E402
|
||||
from diffrax import (Dopri5, ODETerm, PIDController, SaveAt, # noqa : E402
|
||||
diffeqsolve)
|
||||
from helpers import MSE # noqa : E402
|
||||
from jax import lax # noqa : E402
|
||||
from jax.experimental.multihost_utils import process_allgather # noqa : E402
|
||||
from jax.sharding import NamedSharding
|
||||
from jax.sharding import PartitionSpec as P # noqa : E402
|
||||
|
||||
from jaxpm.distributed import uniform_particles # noqa : E402
|
||||
from jaxpm.painting import cic_paint, cic_paint_dx # noqa : E402
|
||||
from jaxpm.pm import lpt, make_diffrax_ode # noqa : E402
|
||||
|
||||
_TOLERANCE = 3.0 # 🙃🙃
|
||||
|
||||
|
||||
@pytest.mark.distributed
|
||||
@pytest.mark.parametrize("order", [1, 2])
|
||||
@pytest.mark.parametrize("absolute_painting", [True, False])
|
||||
def test_distrubted_pm(simulation_config, initial_conditions, cosmo, order,
|
||||
|
|
@ -27,10 +33,10 @@ def test_distrubted_pm(simulation_config, initial_conditions, cosmo, order,
|
|||
particles = uniform_particles(mesh_shape)
|
||||
# Initial displacement
|
||||
dx, p, _ = lpt(cosmo,
|
||||
initial_conditions,
|
||||
particles,
|
||||
a=0.1,
|
||||
order=order)
|
||||
initial_conditions,
|
||||
particles,
|
||||
a=0.1,
|
||||
order=order)
|
||||
ode_fn = ODETerm(make_diffrax_ode(cosmo, mesh_shape))
|
||||
y0 = jnp.stack([particles + dx, p])
|
||||
else:
|
||||
|
|
@ -41,10 +47,10 @@ def test_distrubted_pm(simulation_config, initial_conditions, cosmo, order,
|
|||
|
||||
solver = Dopri5()
|
||||
controller = PIDController(rtol=1e-8,
|
||||
atol=1e-8,
|
||||
pcoeff=0.4,
|
||||
icoeff=1,
|
||||
dcoeff=0)
|
||||
atol=1e-8,
|
||||
pcoeff=0.4,
|
||||
icoeff=1,
|
||||
dcoeff=0)
|
||||
|
||||
saveat = SaveAt(t1=True)
|
||||
|
||||
|
|
@ -59,7 +65,7 @@ def test_distrubted_pm(simulation_config, initial_conditions, cosmo, order,
|
|||
|
||||
if absolute_painting:
|
||||
single_device_final_field = cic_paint(jnp.zeros(shape=mesh_shape),
|
||||
solutions.ys[-1, 0])
|
||||
solutions.ys[-1, 0])
|
||||
else:
|
||||
single_device_final_field = cic_paint_dx(solutions.ys[-1, 0])
|
||||
|
||||
|
|
@ -70,7 +76,8 @@ def test_distrubted_pm(simulation_config, initial_conditions, cosmo, order,
|
|||
sharding = NamedSharding(mesh, P('x', 'y'))
|
||||
halo_size = mesh_shape[0] // 2
|
||||
|
||||
initial_conditions = lax.with_sharding_constraint(initial_conditions, sharding)
|
||||
initial_conditions = lax.with_sharding_constraint(initial_conditions,
|
||||
sharding)
|
||||
|
||||
print(f"sharded initial conditions {initial_conditions.sharding}")
|
||||
|
||||
|
|
@ -128,17 +135,18 @@ def test_distrubted_pm(simulation_config, initial_conditions, cosmo, order,
|
|||
|
||||
if absolute_painting:
|
||||
multi_device_final_field = cic_paint(jnp.zeros(shape=mesh_shape),
|
||||
solutions.ys[-1, 0],
|
||||
halo_size=halo_size,
|
||||
sharding=sharding)
|
||||
solutions.ys[-1, 0],
|
||||
halo_size=halo_size,
|
||||
sharding=sharding)
|
||||
else:
|
||||
multi_device_final_field = cic_paint_dx(solutions.ys[-1, 0],
|
||||
halo_size=halo_size,
|
||||
sharding=sharding)
|
||||
halo_size=halo_size,
|
||||
sharding=sharding)
|
||||
|
||||
multi_device_final_field = process_allgather(multi_device_final_field , tiled=True)
|
||||
multi_device_final_field = process_allgather(multi_device_final_field,
|
||||
tiled=True)
|
||||
|
||||
mse = MSE(single_device_final_field, multi_device_final_field)
|
||||
print(f"MSE is {mse}")
|
||||
|
||||
assert mse < _TOLERANCE
|
||||
assert mse < _TOLERANCE
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue