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Add transpose for single GPU

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This commit is contained in:
Wassim KABALAN 2024-07-09 02:35:13 +02:00
parent d2fb1ee1e2
commit a0be772f3c
1 changed files with 47 additions and 2 deletions
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49
jaxpm/_src/base_ops.py
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@ -5,6 +5,7 @@ from inspect import signature
import jax import jax
import jax.numpy as jnp import jax.numpy as jnp
import jax_cosmo as jc
import jaxdecomp import jaxdecomp
import numpy as np import numpy as np
from jax.experimental.shard_map import shard_map from jax.experimental.shard_map import shard_map
@ -22,7 +23,7 @@ class FFTOperator(CustomPartionedOperator):
name = 'fftn' name = 'fftn'
def single_gpu_impl(x): def single_gpu_impl(x):
return jnp.fft.fftn(x) return jnp.fft.fftn(x).transpose([1, 2, 0])
def multi_gpu_impl(x): def multi_gpu_impl(x):
return pfft3d(x) return pfft3d(x)
@ -33,7 +34,7 @@ class IFFTOperator(CustomPartionedOperator):
name = 'ifftn' name = 'ifftn'
def single_gpu_impl(x): def single_gpu_impl(x):
return jnp.fft.ifftn(x) return jnp.fft.ifftn(x).transpose([2, 0, 1])
def multi_gpu_impl(x): def multi_gpu_impl(x):
return pifft3d(x) return pifft3d(x)
@ -216,6 +217,49 @@ class GenerateParticlesOperator(CallBackOperator):
return base_sharding return base_sharding
class InterpolateICOperator(ShardedOperator):
name = 'interpolate_ic'
# TODO : find a way to allow using different transfer fn
def single_gpu_impl(kfield, kk, cosmo: jc.Cosmology, box_size):
k = jnp.logspace(-4, 2, 128) # I don't understand why 256?
mesh_shape = kfield.shape
pk = jc.power.linear_matter_power(cosmo, k)
pk = pk * (mesh_shape[0] / box_size[0]) * (
mesh_shape[1] / box_size[1]) * (mesh_shape[2] / box_size[2])
print(f"kk {kk.shape}")
print(f"kk.flatten() {kk.flatten().shape}")
delta_k = kfield * jc.scipy.interpolate.interp(
kk.flatten(), k, pk**0.5).reshape(kfield.shape)
return delta_k
def multi_gpu_impl(kfield,
kk,
cosmo: jc.Cosmology,
box_size,
k=jnp.logspace(-4, 2, 256)):
mesh_shape = kfield.shape
pk = jc.power.linear_matter_power(cosmo, k)
pk = pk * (mesh_shape[0] / box_size[0]) * (
mesh_shape[1] / box_size[1]) * (mesh_shape[2] / box_size[2])
delta_k = kfield * jc.scipy.interpolate.interp(
kk.flatten(), k, pk**0.5).reshape(kfield.shape)
return delta_k
def infer_sharding_from_base_sharding(base_sharding):
in_spec = base_sharding, base_sharding, P(), P(), P()
out_spec = base_sharding
return in_spec, out_spec
register_operator(FFTOperator) register_operator(FFTOperator)
register_operator(IFFTOperator) register_operator(IFFTOperator)
register_operator(HaloExchangeOperator) register_operator(HaloExchangeOperator)
@ -224,3 +268,4 @@ register_operator(UnpaddingOperator)
register_operator(NormalFieldOperator) register_operator(NormalFieldOperator)
register_operator(FFTKOperator) register_operator(FFTKOperator)
register_operator(GenerateParticlesOperator) register_operator(GenerateParticlesOperator)
register_operator(InterpolateICOperator)