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This commit is contained in:
Wassim Kabalan 2025-06-12 14:51:24 +02:00
parent e1a8134b8e
commit 67a80e1041
2 changed files with 2 additions and 2 deletions
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2
jaxpm/distributed.py
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@ -166,7 +166,7 @@ def uniform_particles(mesh_shape, sharding=None):
axis=-1) axis=-1)
def normal_field(seed , shape, sharding=None, dtype=float): def normal_field(seed, shape, sharding=None, dtype=float):
"""Generate a Gaussian random field with the given power spectrum.""" """Generate a Gaussian random field with the given power spectrum."""
gpu_mesh = sharding.mesh if sharding is not None else None gpu_mesh = sharding.mesh if sharding is not None else None
if gpu_mesh is not None and not (gpu_mesh.empty): if gpu_mesh is not None and not (gpu_mesh.empty):

2
jaxpm/pm.py
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@ -131,7 +131,7 @@ def linear_field(mesh_shape, box_size, pk, seed, sharding=None):
Generate initial conditions. Generate initial conditions.
""" """
# Initialize a random field with one slice on each gpu # Initialize a random field with one slice on each gpu
field = normal_field(seed=seed , shape=mesh_shape, sharding=sharding) field = normal_field(seed=seed, shape=mesh_shape, sharding=sharding)
field = fft3d(field) field = fft3d(field)
kvec = fftk(field) kvec = fftk(field)
kmesh = sum((kk / box_size[i] * mesh_shape[i])**2 kmesh = sum((kk / box_size[i] * mesh_shape[i])**2