Next is to connect with Evox!
This commit is contained in:
wls2002
2023-06-25 02:57:45 +08:00
parent 0cb2f9473d
commit ba369db0b2
14 changed files with 392 additions and 268 deletions

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@@ -0,0 +1,7 @@
from .mutate import mutate
from .distance import distance
from .crossover import crossover
from .forward import create_forward
from .graph import topological_sort, check_cycles
from .utils import unflatten_connections
from .genome import initialize_genomes, expand, expand_single

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@@ -1,34 +1,27 @@
import jax
import jax.numpy as jnp
import numpy as np
from jax import jit
@jit
def sum_agg(z):
z = jnp.where(jnp.isnan(z), 0, z)
return jnp.sum(z, axis=0)
@jit
def product_agg(z):
z = jnp.where(jnp.isnan(z), 1, z)
return jnp.prod(z, axis=0)
@jit
def max_agg(z):
z = jnp.where(jnp.isnan(z), -jnp.inf, z)
return jnp.max(z, axis=0)
@jit
def min_agg(z):
z = jnp.where(jnp.isnan(z), jnp.inf, z)
return jnp.min(z, axis=0)
@jit
def maxabs_agg(z):
z = jnp.where(jnp.isnan(z), 0, z)
abs_z = jnp.abs(z)
@@ -36,7 +29,6 @@ def maxabs_agg(z):
return z[max_abs_index]
@jit
def median_agg(z):
non_nan_mask = ~jnp.isnan(z)
n = jnp.sum(non_nan_mask, axis=0)
@@ -49,7 +41,6 @@ def median_agg(z):
return median
@jit
def mean_agg(z):
non_zero_mask = ~jnp.isnan(z)
valid_values_sum = sum_agg(z)

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@@ -10,7 +10,7 @@ import jax
from jax import numpy as jnp
from jax import jit, Array
from .utils import fetch_random, fetch_first, I_INT
from .utils import fetch_random, fetch_first, I_INT, unflatten_connections
from .genome import add_node, delete_node_by_idx, delete_connection_by_idx, add_connection
from .graph import check_cycles
@@ -273,7 +273,8 @@ def mutate_add_connection(rand_key: Array, nodes: Array, cons: Array, jit_config
is_already_exist = con_idx != I_INT
is_cycle = check_cycles(nodes, cons, from_idx, to_idx)
u_cons = unflatten_connections(nodes, cons)
is_cycle = check_cycles(nodes, u_cons, from_idx, to_idx)
choice = jnp.where(is_already_exist, 0, jnp.where(is_cycle, 1, 2))
nodes, cons = jax.lax.switch(choice, [already_exist, cycle, successful])

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@@ -1,12 +1,11 @@
from functools import partial
import numpy as np
import jax
from jax import numpy as jnp, Array
from jax import jit, vmap
I_INT = jnp.iinfo(jnp.int32).max # infinite int
EMPTY_NODE = jnp.full((1, 5), jnp.nan)
EMPTY_CON = jnp.full((1, 4), jnp.nan)
I_INT = np.iinfo(jnp.int32).max # infinite int
EMPTY_NODE = np.full((1, 5), jnp.nan)
EMPTY_CON = np.full((1, 4), jnp.nan)
@jit
@@ -58,8 +57,3 @@ def fetch_random(rand_key, mask, default=I_INT) -> Array:
mask = jnp.where(true_cnt == 0, False, cumsum >= target)
return fetch_first(mask, default)
@jit
def argmin_with_mask(arr: Array, mask: Array) -> Array:
masked_arr = jnp.where(mask, arr, jnp.inf)
min_idx = jnp.argmin(masked_arr)
return min_idx