dmlc--dgl
571 行
23 KiB
Python
571 行
23 KiB
Python
import backend as F
|
|
import numpy as np
|
|
from numpy.testing import assert_array_equal, assert_allclose
|
|
import scipy as sp
|
|
import operator
|
|
import dgl
|
|
from dgl.contrib.sampling.sampler import create_full_nodeflow, NeighborSampler
|
|
from dgl import utils
|
|
import dgl.function as fn
|
|
from functools import partial
|
|
import itertools
|
|
|
|
def generate_rand_graph(n, connect_more=False, complete=False, add_self_loop=False):
|
|
if complete:
|
|
cord = [(i,j) for i, j in itertools.product(range(n), range(n)) if i != j]
|
|
row = [t[0] for t in cord]
|
|
col = [t[1] for t in cord]
|
|
data = np.ones((len(row),))
|
|
arr = sp.sparse.coo_matrix((data, (row, col)), shape=(n, n))
|
|
else:
|
|
arr = (sp.sparse.random(n, n, density=0.1, format='coo') != 0).astype(np.int64)
|
|
# having one node to connect to all other nodes.
|
|
if connect_more:
|
|
arr[0] = 1
|
|
arr[:,0] = 1
|
|
if add_self_loop:
|
|
g = dgl.DGLGraph(arr, readonly=False)
|
|
nodes = np.arange(g.number_of_nodes())
|
|
g.add_edges(nodes, nodes)
|
|
g.readonly()
|
|
else:
|
|
g = dgl.DGLGraph(arr, readonly=True)
|
|
g.ndata['h1'] = F.randn((g.number_of_nodes(), 10))
|
|
g.edata['h2'] = F.randn((g.number_of_edges(), 3))
|
|
return g
|
|
|
|
|
|
def test_self_loop():
|
|
n = 100
|
|
num_hops = 2
|
|
g = generate_rand_graph(n, complete=True)
|
|
nf = create_mini_batch(g, num_hops, add_self_loop=True)
|
|
for i in range(1, nf.num_layers):
|
|
in_deg = nf.layer_in_degree(i)
|
|
deg = F.copy_to(F.ones(in_deg.shape, dtype=F.int64), F.cpu()) * n
|
|
assert_array_equal(F.asnumpy(in_deg), F.asnumpy(deg))
|
|
|
|
g = generate_rand_graph(n, complete=True, add_self_loop=True)
|
|
g = dgl.to_simple_graph(g)
|
|
nf = create_mini_batch(g, num_hops, add_self_loop=True)
|
|
for i in range(nf.num_blocks):
|
|
parent_eid = F.asnumpy(nf.block_parent_eid(i))
|
|
parent_nid = F.asnumpy(nf.layer_parent_nid(i + 1))
|
|
# The loop eid in the parent graph must exist in the block parent eid.
|
|
parent_loop_eid = F.asnumpy(g.edge_ids(parent_nid, parent_nid))
|
|
assert len(parent_loop_eid) == len(parent_nid)
|
|
for eid in parent_loop_eid:
|
|
assert eid in parent_eid
|
|
|
|
def create_mini_batch(g, num_hops, add_self_loop=False):
|
|
seed_ids = np.array([1, 2, 0, 3])
|
|
sampler = NeighborSampler(g, batch_size=4, expand_factor=g.number_of_nodes(),
|
|
num_hops=num_hops, seed_nodes=seed_ids, add_self_loop=add_self_loop)
|
|
nfs = list(sampler)
|
|
assert len(nfs) == 1
|
|
assert_array_equal(F.asnumpy(nfs[0].layer_parent_nid(-1)), seed_ids)
|
|
return nfs[0]
|
|
|
|
def check_basic(g, nf):
|
|
num_nodes = 0
|
|
for i in range(nf.num_layers):
|
|
num_nodes += nf.layer_size(i)
|
|
assert nf.number_of_nodes() == num_nodes
|
|
num_edges = 0
|
|
for i in range(nf.num_blocks):
|
|
num_edges += nf.block_size(i)
|
|
assert nf.number_of_edges() == num_edges
|
|
assert len(nf) == num_nodes
|
|
assert nf.is_readonly
|
|
|
|
assert np.all(F.asnumpy(nf.has_nodes(list(range(num_nodes)))))
|
|
for i in range(num_nodes):
|
|
assert nf.has_node(i)
|
|
assert np.all(F.asnumpy(nf.has_nodes(list(range(num_nodes, 2 * num_nodes)))) == 0)
|
|
for i in range(num_nodes, 2 * num_nodes):
|
|
assert not nf.has_node(i)
|
|
|
|
for block_id in range(nf.num_blocks):
|
|
u, v, eid = nf.block_edges(block_id)
|
|
assert np.all(F.asnumpy(nf.has_edges_between(u, v)))
|
|
|
|
deg = nf.layer_in_degree(0)
|
|
assert_array_equal(F.asnumpy(deg), np.zeros((nf.layer_size(0)), np.int64))
|
|
deg = nf.layer_out_degree(-1)
|
|
assert_array_equal(F.asnumpy(deg), np.zeros((nf.layer_size(-1)), np.int64))
|
|
|
|
nf.copy_from_parent()
|
|
for i in range(1, nf.num_layers):
|
|
in_deg = nf.layer_in_degree(i)
|
|
out_deg = nf.layer_out_degree(i - 1)
|
|
assert F.asnumpy(F.sum(in_deg, 0) == F.sum(out_deg, 0))
|
|
|
|
nids = nf.layer_nid(i)
|
|
parent_nids = nf.map_to_parent_nid(nids)
|
|
nids1 = nf.map_from_parent_nid(i, parent_nids)
|
|
assert_array_equal(F.asnumpy(nids), F.asnumpy(nids1))
|
|
|
|
data = nf.layers[i].data['h1']
|
|
data1 = g.nodes[nf.layer_parent_nid(i)].data['h1']
|
|
assert_array_equal(F.asnumpy(data), F.asnumpy(data1))
|
|
|
|
for i in range(nf.num_blocks):
|
|
data = nf.blocks[i].data['h2']
|
|
data1 = g.edges[nf.block_parent_eid(i)].data['h2']
|
|
assert_array_equal(F.asnumpy(data), F.asnumpy(data1))
|
|
|
|
|
|
# negative layer Ids.
|
|
for i in range(-1, -nf.num_layers, -1):
|
|
in_deg = nf.layer_in_degree(i)
|
|
out_deg = nf.layer_out_degree(i - 1)
|
|
assert F.asnumpy(F.sum(in_deg, 0) == F.sum(out_deg, 0))
|
|
|
|
|
|
def test_basic():
|
|
num_layers = 2
|
|
g = generate_rand_graph(100, connect_more=True)
|
|
nf = create_full_nodeflow(g, num_layers)
|
|
assert nf.number_of_nodes() == g.number_of_nodes() * (num_layers + 1)
|
|
assert nf.number_of_edges() == g.number_of_edges() * num_layers
|
|
assert nf.num_layers == num_layers + 1
|
|
assert nf.layer_size(0) == g.number_of_nodes()
|
|
assert nf.layer_size(1) == g.number_of_nodes()
|
|
check_basic(g, nf)
|
|
|
|
parent_nids = F.copy_to(F.arange(0, g.number_of_nodes()), F.cpu())
|
|
nids = nf.map_from_parent_nid(0, parent_nids, remap_local=True)
|
|
assert_array_equal(F.asnumpy(nids), F.asnumpy(parent_nids))
|
|
|
|
# should also work for negative layer ids
|
|
for l in range(-1, -num_layers, -1):
|
|
nids1 = nf.map_from_parent_nid(l, parent_nids, remap_local=True)
|
|
nids2 = nf.map_from_parent_nid(l + num_layers, parent_nids, remap_local=True)
|
|
assert_array_equal(F.asnumpy(nids1), F.asnumpy(nids2))
|
|
|
|
g = generate_rand_graph(100)
|
|
nf = create_mini_batch(g, num_layers)
|
|
assert nf.num_layers == num_layers + 1
|
|
check_basic(g, nf)
|
|
|
|
g = generate_rand_graph(100, add_self_loop=True)
|
|
nf = create_mini_batch(g, num_layers, add_self_loop=True)
|
|
assert nf.num_layers == num_layers + 1
|
|
check_basic(g, nf)
|
|
|
|
|
|
def check_apply_nodes(create_node_flow, use_negative_block_id):
|
|
num_layers = 2
|
|
for i in range(num_layers):
|
|
l = -num_layers + i if use_negative_block_id else i
|
|
g = generate_rand_graph(100)
|
|
nf = create_node_flow(g, num_layers)
|
|
nf.copy_from_parent()
|
|
new_feats = F.randn((nf.layer_size(l), 5))
|
|
def update_func(nodes):
|
|
return {'h1' : new_feats}
|
|
nf.apply_layer(l, update_func)
|
|
assert_array_equal(F.asnumpy(nf.layers[l].data['h1']), F.asnumpy(new_feats))
|
|
|
|
new_feats = F.randn((4, 5))
|
|
def update_func1(nodes):
|
|
return {'h1' : new_feats}
|
|
nf.apply_layer(l, update_func1, v=nf.layer_nid(l)[0:4])
|
|
assert_array_equal(F.asnumpy(nf.layers[l].data['h1'][0:4]), F.asnumpy(new_feats))
|
|
|
|
|
|
def test_apply_nodes():
|
|
check_apply_nodes(create_full_nodeflow, use_negative_block_id=False)
|
|
check_apply_nodes(create_mini_batch, use_negative_block_id=False)
|
|
check_apply_nodes(create_full_nodeflow, use_negative_block_id=True)
|
|
check_apply_nodes(create_mini_batch, use_negative_block_id=True)
|
|
|
|
|
|
def check_apply_edges(create_node_flow):
|
|
num_layers = 2
|
|
for i in range(num_layers):
|
|
g = generate_rand_graph(100)
|
|
g.ndata["f"] = F.randn((100, 10))
|
|
nf = create_node_flow(g, num_layers)
|
|
nf.copy_from_parent()
|
|
new_feats = F.randn((nf.block_size(i), 5))
|
|
|
|
def update_func(edges):
|
|
return {'h2': new_feats, "f2": edges.src["f"] + edges.dst["f"]}
|
|
|
|
nf.apply_block(i, update_func)
|
|
assert_array_equal(F.asnumpy(nf.blocks[i].data['h2']), F.asnumpy(new_feats))
|
|
|
|
# should also work for negative block ids
|
|
nf.apply_block(-num_layers + i, update_func)
|
|
assert_array_equal(F.asnumpy(nf.blocks[i].data['h2']), F.asnumpy(new_feats))
|
|
|
|
eids = nf.block_parent_eid(i)
|
|
srcs, dsts = g.find_edges(eids)
|
|
expected_f_sum = g.nodes[srcs].data["f"] + g.nodes[dsts].data["f"]
|
|
assert_array_equal(F.asnumpy(nf.blocks[i].data['f2']), F.asnumpy(expected_f_sum))
|
|
|
|
|
|
def check_apply_edges1(create_node_flow):
|
|
num_layers = 2
|
|
for i in range(num_layers):
|
|
g = generate_rand_graph(100)
|
|
g.ndata["f"] = F.randn((100, 10))
|
|
nf = create_node_flow(g, num_layers)
|
|
nf.copy_from_parent()
|
|
new_feats = F.randn((nf.block_size(i), 5))
|
|
|
|
def update_func(edges):
|
|
return {'h2': new_feats, "f2": edges.src["f"] + edges.dst["f"]}
|
|
|
|
nf.register_apply_edge_func(update_func, i)
|
|
nf.apply_block(i)
|
|
assert_array_equal(F.asnumpy(nf.blocks[i].data['h2']), F.asnumpy(new_feats))
|
|
|
|
# should also work for negative block ids
|
|
nf.register_apply_edge_func(update_func, -num_layers + i)
|
|
nf.apply_block(-num_layers + i)
|
|
assert_array_equal(F.asnumpy(nf.blocks[i].data['h2']), F.asnumpy(new_feats))
|
|
|
|
eids = nf.block_parent_eid(i)
|
|
srcs, dsts = g.find_edges(eids)
|
|
expected_f_sum = g.nodes[srcs].data["f"] + g.nodes[dsts].data["f"]
|
|
#expected_f_sum = g.ndata["f"][srcs] + g.ndata["f"][dsts]
|
|
assert_array_equal(F.asnumpy(nf.blocks[i].data['f2']), F.asnumpy(expected_f_sum))
|
|
|
|
|
|
def test_apply_edges():
|
|
check_apply_edges(create_full_nodeflow)
|
|
check_apply_edges(create_mini_batch)
|
|
check_apply_edges1(create_mini_batch)
|
|
|
|
|
|
def check_flow_compute(create_node_flow, use_negative_block_id=False):
|
|
num_layers = 2
|
|
g = generate_rand_graph(100)
|
|
nf = create_node_flow(g, num_layers)
|
|
nf.copy_from_parent()
|
|
g.ndata['h'] = g.ndata['h1']
|
|
nf.layers[0].data['h'] = nf.layers[0].data['h1']
|
|
# Test the computation on a layer at a time.
|
|
for i in range(num_layers):
|
|
l = -num_layers + i if use_negative_block_id else i
|
|
nf.block_compute(l, fn.copy_src(src='h', out='m'), fn.sum(msg='m', out='t'),
|
|
lambda nodes: {'h' : nodes.data['t'] + 1})
|
|
g.update_all(fn.copy_src(src='h', out='m'), fn.sum(msg='m', out='t'),
|
|
lambda nodes: {'h' : nodes.data['t'] + 1})
|
|
assert_allclose(F.asnumpy(nf.layers[i + 1].data['h']),
|
|
F.asnumpy(g.nodes[nf.layer_parent_nid(i + 1)].data['h']),
|
|
rtol=1e-4, atol=1e-4)
|
|
|
|
# Test the computation when only a few nodes are active in a layer.
|
|
g.ndata['h'] = g.ndata['h1']
|
|
for i in range(num_layers):
|
|
l = -num_layers + i if use_negative_block_id else i
|
|
vs = nf.layer_nid(i+1)[0:4]
|
|
nf.block_compute(l, fn.copy_src(src='h', out='m'), fn.sum(msg='m', out='t'),
|
|
lambda nodes: {'h' : nodes.data['t'] + 1}, v=vs)
|
|
g.update_all(fn.copy_src(src='h', out='m'), fn.sum(msg='m', out='t'),
|
|
lambda nodes: {'h' : nodes.data['t'] + 1})
|
|
data1 = nf.layers[i + 1].data['h'][0:4]
|
|
data2 = g.nodes[nf.map_to_parent_nid(vs)].data['h']
|
|
assert_allclose(F.asnumpy(data1), F.asnumpy(data2), rtol=1e-4, atol=1e-4)
|
|
|
|
def check_flow_compute1(create_node_flow, use_negative_block_id=False):
|
|
num_layers = 2
|
|
g = generate_rand_graph(100)
|
|
|
|
# test the case that we register UDFs per block.
|
|
nf = create_node_flow(g, num_layers)
|
|
nf.copy_from_parent()
|
|
g.ndata['h'] = g.ndata['h1']
|
|
nf.layers[0].data['h'] = nf.layers[0].data['h1']
|
|
for i in range(num_layers):
|
|
l = -num_layers + i if use_negative_block_id else i
|
|
nf.register_message_func(fn.copy_src(src='h', out='m'), l)
|
|
nf.register_reduce_func(fn.sum(msg='m', out='t'), l)
|
|
nf.register_apply_node_func(lambda nodes: {'h' : nodes.data['t'] + 1}, l)
|
|
nf.block_compute(l)
|
|
g.update_all(fn.copy_src(src='h', out='m'), fn.sum(msg='m', out='t'),
|
|
lambda nodes: {'h' : nodes.data['t'] + 1})
|
|
assert_allclose(F.asnumpy(nf.layers[i + 1].data['h']),
|
|
F.asnumpy(g.nodes[nf.layer_parent_nid(i + 1)].data['h']),
|
|
rtol=1e-4, atol=1e-4)
|
|
|
|
# test the case that we register UDFs in all blocks.
|
|
nf = create_node_flow(g, num_layers)
|
|
nf.copy_from_parent()
|
|
g.ndata['h'] = g.ndata['h1']
|
|
nf.layers[0].data['h'] = nf.layers[0].data['h1']
|
|
nf.register_message_func(fn.copy_src(src='h', out='m'))
|
|
nf.register_reduce_func(fn.sum(msg='m', out='t'))
|
|
nf.register_apply_node_func(lambda nodes: {'h' : nodes.data['t'] + 1})
|
|
for i in range(num_layers):
|
|
l = -num_layers + i if use_negative_block_id else i
|
|
nf.block_compute(l)
|
|
g.update_all(fn.copy_src(src='h', out='m'), fn.sum(msg='m', out='t'),
|
|
lambda nodes: {'h' : nodes.data['t'] + 1})
|
|
assert_allclose(F.asnumpy(nf.layers[i + 1].data['h']),
|
|
F.asnumpy(g.nodes[nf.layer_parent_nid(i + 1)].data['h']),
|
|
rtol=1e-4, atol=1e-4)
|
|
|
|
class SrcMulEdgeMessageFunction(object):
|
|
def __init__(self, src_field, edge_field, out_field):
|
|
self.mul_op = operator.mul
|
|
self.src_field = src_field
|
|
self.edge_field = edge_field
|
|
self.out_field = out_field
|
|
|
|
def __call__(self, edges):
|
|
sdata = edges.src[self.src_field]
|
|
edata = edges.data[self.edge_field]
|
|
# Due to the different broadcasting semantics of different backends,
|
|
# we need to broadcast the sdata and edata to be of the same rank.
|
|
rank = max(F.ndim(sdata), F.ndim(edata))
|
|
sshape = F.shape(sdata)
|
|
eshape = F.shape(edata)
|
|
sdata = F.reshape(sdata, sshape + (1,) * (rank - F.ndim(sdata)))
|
|
edata = F.reshape(edata, eshape + (1,) * (rank - F.ndim(edata)))
|
|
ret = self.mul_op(sdata, edata)
|
|
return {self.out_field : ret}
|
|
|
|
def check_flow_compute2(create_node_flow):
|
|
num_layers = 2
|
|
g = generate_rand_graph(100)
|
|
g.edata['h'] = F.ones((g.number_of_edges(), 10))
|
|
|
|
nf = create_node_flow(g, num_layers)
|
|
nf.copy_from_parent()
|
|
g.ndata['h'] = g.ndata['h1']
|
|
nf.layers[0].data['h'] = nf.layers[0].data['h1']
|
|
for i in range(num_layers):
|
|
nf.block_compute(i, SrcMulEdgeMessageFunction('h', 'h', 't'), fn.sum('t', 'h1'))
|
|
nf.block_compute(i, fn.src_mul_edge('h', 'h', 'h'), fn.sum('h', 'h'))
|
|
g.update_all(fn.src_mul_edge('h', 'h', 'h'), fn.sum('h', 'h'))
|
|
assert_allclose(F.asnumpy(nf.layers[i + 1].data['h1']),
|
|
F.asnumpy(nf.layers[i + 1].data['h']),
|
|
rtol=1e-4, atol=1e-4)
|
|
assert_allclose(F.asnumpy(nf.layers[i + 1].data['h']),
|
|
F.asnumpy(g.nodes[nf.layer_parent_nid(i + 1)].data['h']),
|
|
rtol=1e-4, atol=1e-4)
|
|
|
|
nf = create_node_flow(g, num_layers)
|
|
g.ndata['h'] = g.ndata['h1']
|
|
nf.copy_from_parent()
|
|
for i in range(nf.num_layers):
|
|
nf.layers[i].data['h'] = nf.layers[i].data['h1']
|
|
for i in range(num_layers):
|
|
nf.block_compute(i, fn.u_mul_v('h', 'h', 't'), fn.sum('t', 's'))
|
|
g.update_all(fn.u_mul_v('h', 'h', 't'), fn.sum('t', 's'))
|
|
assert_allclose(F.asnumpy(nf.layers[i + 1].data['s']),
|
|
F.asnumpy(g.nodes[nf.layer_parent_nid(i + 1)].data['s']),
|
|
rtol=1e-4, atol=1e-4)
|
|
|
|
def test_flow_compute():
|
|
check_flow_compute(create_full_nodeflow)
|
|
check_flow_compute(create_mini_batch)
|
|
check_flow_compute(create_full_nodeflow, use_negative_block_id=True)
|
|
check_flow_compute(create_mini_batch, use_negative_block_id=True)
|
|
check_flow_compute1(create_mini_batch)
|
|
check_flow_compute1(create_mini_batch, use_negative_block_id=True)
|
|
check_flow_compute2(create_mini_batch)
|
|
|
|
|
|
def check_prop_flows(create_node_flow):
|
|
num_layers = 2
|
|
g = generate_rand_graph(100)
|
|
g.ndata['h'] = g.ndata['h1']
|
|
nf2 = create_node_flow(g, num_layers)
|
|
nf2.copy_from_parent()
|
|
# Test the computation on a layer at a time.
|
|
for i in range(num_layers):
|
|
g.update_all(fn.copy_src(src='h', out='m'), fn.sum(msg='m', out='t'),
|
|
lambda nodes: {'h' : nodes.data['t'] + 1})
|
|
|
|
# Test the computation on all layers.
|
|
nf2.prop_flow(fn.copy_src(src='h', out='m'), fn.sum(msg='m', out='t'),
|
|
lambda nodes: {'h' : nodes.data['t'] + 1})
|
|
assert_allclose(F.asnumpy(nf2.layers[-1].data['h']),
|
|
F.asnumpy(g.nodes[nf2.layer_parent_nid(-1)].data['h']),
|
|
rtol=1e-4, atol=1e-4)
|
|
|
|
|
|
def test_prop_flows():
|
|
check_prop_flows(create_full_nodeflow)
|
|
check_prop_flows(create_mini_batch)
|
|
|
|
|
|
def test_copy():
|
|
num_layers = 2
|
|
g = generate_rand_graph(100)
|
|
g.ndata['h'] = g.ndata['h1']
|
|
nf = create_mini_batch(g, num_layers)
|
|
nf.copy_from_parent()
|
|
for i in range(nf.num_layers):
|
|
assert len(g.ndata.keys()) == len(nf.layers[i].data.keys())
|
|
for key in g.ndata.keys():
|
|
assert key in nf.layers[i].data.keys()
|
|
assert_array_equal(F.asnumpy(nf.layers[i].data[key]),
|
|
F.asnumpy(g.nodes[nf.layer_parent_nid(i)].data[key]))
|
|
for i in range(nf.num_blocks):
|
|
assert len(g.edata.keys()) == len(nf.blocks[i].data.keys())
|
|
for key in g.edata.keys():
|
|
assert key in nf.blocks[i].data.keys()
|
|
assert_array_equal(F.asnumpy(nf.blocks[i].data[key]),
|
|
F.asnumpy(g.edges[nf.block_parent_eid(i)].data[key]))
|
|
|
|
nf = create_mini_batch(g, num_layers)
|
|
node_embed_names = [['h'], ['h1'], ['h']]
|
|
edge_embed_names = [['h2'], ['h2']]
|
|
nf.copy_from_parent(node_embed_names=node_embed_names, edge_embed_names=edge_embed_names)
|
|
for i in range(nf.num_layers):
|
|
assert len(node_embed_names[i]) == len(nf.layers[i].data.keys())
|
|
for key in node_embed_names[i]:
|
|
assert key in nf.layers[i].data.keys()
|
|
assert_array_equal(F.asnumpy(nf.layers[i].data[key]),
|
|
F.asnumpy(g.nodes[nf.layer_parent_nid(i)].data[key]))
|
|
for i in range(nf.num_blocks):
|
|
assert len(edge_embed_names[i]) == len(nf.blocks[i].data.keys())
|
|
for key in edge_embed_names[i]:
|
|
assert key in nf.blocks[i].data.keys()
|
|
assert_array_equal(F.asnumpy(nf.blocks[i].data[key]),
|
|
F.asnumpy(g.edges[nf.block_parent_eid(i)].data[key]))
|
|
|
|
nf = create_mini_batch(g, num_layers)
|
|
g.ndata['h0'] = F.clone(g.ndata['h'])
|
|
node_embed_names = [['h0'], [], []]
|
|
nf.copy_from_parent(node_embed_names=node_embed_names, edge_embed_names=None)
|
|
for i in range(num_layers):
|
|
nf.block_compute(i, fn.copy_src(src='h%d' % i, out='m'), fn.sum(msg='m', out='t'),
|
|
lambda nodes: {'h%d' % (i+1) : nodes.data['t'] + 1})
|
|
g.update_all(fn.copy_src(src='h', out='m'), fn.sum(msg='m', out='t'),
|
|
lambda nodes: {'h' : nodes.data['t'] + 1})
|
|
assert_allclose(F.asnumpy(nf.layers[i + 1].data['h%d' % (i+1)]),
|
|
F.asnumpy(g.nodes[nf.layer_parent_nid(i + 1)].data['h']),
|
|
rtol=1e-4, atol=1e-4)
|
|
nf.copy_to_parent(node_embed_names=[['h0'], ['h1'], ['h2']])
|
|
for i in range(num_layers + 1):
|
|
assert_array_equal(F.asnumpy(nf.layers[i].data['h%d' % i]),
|
|
F.asnumpy(g.nodes[nf.layer_parent_nid(i)].data['h%d' % i]))
|
|
|
|
nf = create_mini_batch(g, num_layers)
|
|
g.ndata['h0'] = F.clone(g.ndata['h'])
|
|
g.ndata['h1'] = F.clone(g.ndata['h'])
|
|
g.ndata['h2'] = F.clone(g.ndata['h'])
|
|
node_embed_names = [['h0'], ['h1'], ['h2']]
|
|
nf.copy_from_parent(node_embed_names=node_embed_names, edge_embed_names=None)
|
|
|
|
def msg_func(edge, ind):
|
|
assert 'h%d' % ind in edge.src.keys()
|
|
return {'m' : edge.src['h%d' % ind]}
|
|
def reduce_func(node, ind):
|
|
assert 'h%d' % (ind + 1) in node.data.keys()
|
|
return {'h' : F.sum(node.mailbox['m'], 1) + node.data['h%d' % (ind + 1)]}
|
|
|
|
for i in range(num_layers):
|
|
nf.block_compute(i, partial(msg_func, ind=i), partial(reduce_func, ind=i))
|
|
|
|
|
|
def test_block_edges():
|
|
num_layers = 3
|
|
g = generate_rand_graph(100)
|
|
nf = create_mini_batch(g, num_layers)
|
|
assert nf.num_layers == num_layers + 1
|
|
for i in range(nf.num_blocks):
|
|
dest_nodes = utils.toindex(nf.layer_nid(i + 1))
|
|
src1, dst1, eid1 = nf.in_edges(dest_nodes, 'all')
|
|
|
|
src, dst, eid = nf.block_edges(i)
|
|
assert_array_equal(F.asnumpy(src), F.asnumpy(src1))
|
|
assert_array_equal(F.asnumpy(dst), F.asnumpy(dst1))
|
|
assert_array_equal(F.asnumpy(eid), F.asnumpy(eid1))
|
|
|
|
src, dst, eid = nf.block_edges(i, remap_local=True)
|
|
# should also work for negative block ids
|
|
src_by_neg, dst_by_neg, eid_by_neg = nf.block_edges(-nf.num_blocks + i,
|
|
remap_local=True)
|
|
assert_array_equal(F.asnumpy(src), F.asnumpy(src_by_neg))
|
|
assert_array_equal(F.asnumpy(dst), F.asnumpy(dst_by_neg))
|
|
assert_array_equal(F.asnumpy(eid), F.asnumpy(eid_by_neg))
|
|
|
|
src1 = nf._glb2lcl_nid(src1, i)
|
|
dst1 = nf._glb2lcl_nid(dst1, i + 1)
|
|
assert_array_equal(F.asnumpy(src), F.asnumpy(src1))
|
|
assert_array_equal(F.asnumpy(dst), F.asnumpy(dst1))
|
|
|
|
|
|
def test_block_adj_matrix():
|
|
num_layers = 3
|
|
g = generate_rand_graph(100)
|
|
nf = create_mini_batch(g, num_layers)
|
|
assert nf.num_layers == num_layers + 1
|
|
for i in range(nf.num_blocks):
|
|
u, v, _ = nf.block_edges(i, remap_local=True)
|
|
adj, _ = nf.block_adjacency_matrix(i, F.cpu())
|
|
adj = F.sparse_to_numpy(adj)
|
|
|
|
# should also work for negative block ids
|
|
adj_by_neg, _ = nf.block_adjacency_matrix(-nf.num_blocks + i, F.cpu())
|
|
adj_by_neg = F.sparse_to_numpy(adj_by_neg)
|
|
|
|
data = np.ones((len(u)), dtype=np.float32)
|
|
v = utils.toindex(v)
|
|
u = utils.toindex(u)
|
|
coo = sp.sparse.coo_matrix((data, (v.tonumpy(), u.tonumpy())),
|
|
shape=adj.shape).todense()
|
|
assert_array_equal(adj, coo)
|
|
assert_array_equal(adj_by_neg, coo)
|
|
|
|
|
|
def test_block_incidence_matrix():
|
|
num_layers = 3
|
|
g = generate_rand_graph(100)
|
|
nf = create_mini_batch(g, num_layers)
|
|
assert nf.num_layers == num_layers + 1
|
|
for i in range(nf.num_blocks):
|
|
typestrs = ["in", "out"] # todo need fix for "both"
|
|
adjs = []
|
|
for typestr in typestrs:
|
|
adj, _ = nf.block_incidence_matrix(i, typestr, F.cpu())
|
|
adj = F.sparse_to_numpy(adj)
|
|
adjs.append(adj)
|
|
|
|
# should work for negative block ids
|
|
adjs_by_neg = []
|
|
for typestr in typestrs:
|
|
adj_by_neg, _ = nf.block_incidence_matrix(-nf.num_blocks + i, typestr, F.cpu())
|
|
adj_by_neg = F.sparse_to_numpy(adj_by_neg)
|
|
adjs_by_neg.append(adj_by_neg)
|
|
|
|
u, v, e = nf.block_edges(i, remap_local=True)
|
|
u = utils.toindex(u)
|
|
v = utils.toindex(v)
|
|
e = utils.toindex(e)
|
|
|
|
expected = []
|
|
data_in_and_out = np.ones((len(u)), dtype=np.float32)
|
|
expected.append(
|
|
sp.sparse.coo_matrix((data_in_and_out, (v.tonumpy(), e.tonumpy())),
|
|
shape=adjs[0].shape).todense()
|
|
)
|
|
expected.append(
|
|
sp.sparse.coo_matrix((data_in_and_out, (u.tonumpy(), e.tonumpy())),
|
|
shape=adjs[1].shape).todense()
|
|
)
|
|
for i in range(len(typestrs)):
|
|
assert_array_equal(adjs[i], expected[i])
|
|
assert_array_equal(adjs_by_neg[i], expected[i])
|
|
|
|
|
|
if __name__ == '__main__':
|
|
test_basic()
|
|
test_block_adj_matrix()
|
|
test_copy()
|
|
test_apply_nodes()
|
|
test_apply_edges()
|
|
test_flow_compute()
|
|
test_prop_flows()
|
|
test_self_loop()
|
|
test_block_edges()
|
|
test_block_incidence_matrix()
|