import torch from torch.fx import GraphModule import torch.nn as nn import pytest from colossalai.fx.proxy import ColoProxy from colossalai.fx.tracer.tracer import ColoTracer from colossalai.tensor.sharding_spec import ShardingSpec, _DimSpec from colossalai.tensor.shape_consistency import ShapeConsistencyManager from colossalai.device.device_mesh import DeviceMesh from colossalai.auto_parallel.solver.strategies_constructor import StrategiesConstructor from colossalai.auto_parallel.solver.cost_graph import CostGraph from copy import deepcopy class ConvModel(nn.Module): def __init__(self, c_in, c_out): super().__init__() self.conv1 = nn.Conv2d(c_in, c_out, kernel_size=3) self.relu = nn.ReLU() def forward(self, x): x = x * 2 x = self.conv1(x) x = x / 2 x = self.relu(x) return x def test_cost_graph(): physical_mesh_id = torch.arange(0, 4) mesh_shape = (2, 2) # [[0, 1] # [2, 3]] device_mesh = DeviceMesh(physical_mesh_id, mesh_shape) entire_shape = torch.Size((4, 16, 64, 64)) shape_consistency_manager = ShapeConsistencyManager() tracer = ColoTracer() model = ConvModel(16, 32) input_sample = {'x': torch.rand(4, 16, 64, 64).to('meta')} # graph(): # %x : torch.Tensor [#users=1] = placeholder[target=x] # %mul : [#users=1] = call_function[target=operator.mul](args = (%x, 2), kwargs = {}) # %conv1 : [#users=1] = call_module[target=conv1](args = (%mul,), kwargs = {}) # %truediv : [#users=1] = call_function[target=operator.truediv](args = (%conv1, 2), kwargs = {}) # %relu : [#users=1] = call_module[target=relu](args = (%truediv,), kwargs = {}) # return relu graph = tracer.trace(root=model, meta_args=input_sample) gm = GraphModule(model, graph, model.__class__.__name__) gm.recompile() solver_options = {'fast_mode': True} strategies_constructor = StrategiesConstructor(graph, device_mesh, shape_consistency_manager, solver_options) strategies_constructor.build_strategies_and_cost() # (x, mul):{(0, 0): 0} # (mul, conv1):{(0, 0): 65547.1, (0, 1): 65547.1, (0, 2): 65547.1, (0, 3): 65547.1, (0, 4): 131105.30000000002, (0, 5): 131105.30000000002, (0, 6): 65547.1, (0, 7): 65547.1, (0, 8): 65547.1, (0, 9): 65547.1, (0, 10): 0, (0, 11): 0, (0, 12): 0, (0, 13): 131105.30000000002, (0, 14): 131105.30000000002} # (conv1, truediv):{(0, 0): 0, (1, 0): inf, (2, 0): inf, (3, 0): inf, (4, 0): 0, (5, 0): inf, (6, 0): inf, (7, 0): inf, (8, 0): inf, (9, 0): inf, (10, 0): inf, (11, 0): inf, (12, 0): inf, (13, 0): inf, (14, 0): inf, (0, 1): inf, (1, 1): 0, (2, 1): inf, (3, 1): inf, (4, 1): inf, (5, 1): 0, (6, 1): inf, (7, 1): inf, (8, 1): inf, (9, 1): inf, (10, 1): inf, (11, 1): inf, (12, 1): inf, (13, 1): inf, (14, 1): inf, (0, 2): inf, (1, 2): inf, (2, 2): 0, (3, 2): inf, (4, 2): inf, (5, 2): inf, (6, 2): inf, (7, 2): inf, (8, 2): inf, (9, 2): inf, (10, 2): inf, (11, 2): inf, (12, 2): inf, (13, 2): inf, (14, 2): inf, (0, 3): inf, (1, 3): inf, (2, 3): inf, (3, 3): 0, (4, 3): inf, (5, 3): inf, (6, 3): inf, (7, 3): inf, (8, 3): inf, (9, 3): inf, (10, 3): inf, (11, 3): inf, (12, 3): inf, (13, 3): inf, (14, 3): inf, (0, 4): inf, (1, 4): inf, (2, 4): inf, (3, 4): inf, (4, 4): inf, (5, 4): inf, (6, 4): 0, (7, 4): inf, (8, 4): 0, (9, 4): inf, (10, 4): inf, (11, 4): inf, (12, 4): inf, (13, 4): inf, (14, 4): inf, (0, 5): inf, (1, 5): inf, (2, 5): inf, (3, 5): inf, (4, 5): inf, (5, 5): inf, (6, 5): inf, (7, 5): 0, (8, 5): inf, (9, 5): 0, (10, 5): inf, (11, 5): inf, (12, 5): inf, (13, 5): inf, (14, 5): inf, (0, 6): inf, (1, 6): inf, (2, 6): inf, (3, 6): inf, (4, 6): inf, (5, 6): inf, (6, 6): inf, (7, 6): inf, (8, 6): inf, (9, 6): inf, (10, 6): 0, (11, 6): 0, (12, 6): 0, (13, 6): inf, (14, 6): inf, (0, 7): inf, (1, 7): inf, (2, 7): inf, (3, 7): inf, (4, 7): inf, (5, 7): inf, (6, 7): inf, (7, 7): inf, (8, 7): inf, (9, 7): inf, (10, 7): inf, (11, 7): inf, (12, 7): inf, (13, 7): 0, (14, 7): inf, (0, 8): inf, (1, 8): inf, (2, 8): inf, (3, 8): inf, (4, 8): inf, (5, 8): inf, (6, 8): inf, (7, 8): inf, (8, 8): inf, (9, 8): inf, (10, 8): inf, (11, 8): inf, (12, 8): inf, (13, 8): inf, (14, 8): 0} # (truediv, relu):{(0, 0): 0, (1, 0): inf, (2, 0): inf, (3, 0): inf, (4, 0): inf, (5, 0): inf, (6, 0): inf, (7, 0): inf, (8, 0): inf, (0, 1): inf, (1, 1): 0, (2, 1): inf, (3, 1): inf, (4, 1): inf, (5, 1): inf, (6, 1): inf, (7, 1): inf, (8, 1): inf, (0, 2): inf, (1, 2): inf, (2, 2): 0, (3, 2): inf, (4, 2): inf, (5, 2): inf, (6, 2): inf, (7, 2): inf, (8, 2): inf, (0, 3): inf, (1, 3): inf, (2, 3): inf, (3, 3): 0, (4, 3): inf, (5, 3): inf, (6, 3): inf, (7, 3): inf, (8, 3): inf, (0, 4): inf, (1, 4): inf, (2, 4): inf, (3, 4): inf, (4, 4): 0, (5, 4): inf, (6, 4): inf, (7, 4): inf, (8, 4): inf, (0, 5): inf, (1, 5): inf, (2, 5): inf, (3, 5): inf, (4, 5): inf, (5, 5): 0, (6, 5): inf, (7, 5): inf, (8, 5): inf, (0, 6): inf, (1, 6): inf, (2, 6): inf, (3, 6): inf, (4, 6): inf, (5, 6): inf, (6, 6): 0, (7, 6): inf, (8, 6): inf, (0, 7): inf, (1, 7): inf, (2, 7): inf, (3, 7): inf, (4, 7): inf, (5, 7): inf, (6, 7): inf, (7, 7): 0, (8, 7): inf, (0, 8): inf, (1, 8): inf, (2, 8): inf, (3, 8): inf, (4, 8): inf, (5, 8): inf, (6, 8): inf, (7, 8): inf, (8, 8): 0} # (relu, output):{(0, 0): 246019.30000000002, (1, 0): 246019.30000000002, (2, 0): 123009.1, (3, 0): 123009.1, (4, 0): 123009.1, (5, 0): 123009.1, (6, 0): 0, (7, 0): 246019.30000000002, (8, 0): 246019.30000000002} cost_graph = CostGraph(strategies_constructor.leaf_strategies) # construct all node pairs all_node_pairs = [] for node in graph.nodes: if node.op == 'output': continue all_node_pairs.append((node, node.next)) for node_pair in all_node_pairs: assert node_pair in cost_graph.edge_costs # construct merged node pairs merged_node_pairs = [] node_list = list(graph.nodes) # add (x, conv) and (conv, output) into check node pairs merged_node_pairs.append((node_list[0], node_list[2])) merged_node_pairs.append((node_list[2], node_list[-1])) # (conv1, output):{(0, 0): 246019.30000000002, (1, 0): 246019.30000000002, (2, 0): 123009.1, (3, 0): 123009.1, (4, 0): 246019.30000000002, (5, 0): 246019.30000000002, (6, 0): 123009.1, (7, 0): 123009.1, (8, 0): 123009.1, (9, 0): 123009.1, (10, 0): 0, (11, 0): 0, (12, 0): 0, (13, 0): 246019.30000000002, (14, 0): 246019.30000000002} # (x, conv1):{(0, 0): 65547.1, (0, 1): 65547.1, (0, 2): 65547.1, (0, 3): 65547.1, (0, 4): 131105.30000000002, (0, 5): 131105.30000000002, (0, 6): 65547.1, (0, 7): 65547.1, (0, 8): 65547.1, (0, 9): 65547.1, (0, 10): 0, (0, 11): 0, (0, 12): 0, (0, 13): 131105.30000000002, (0, 14): 131105.30000000002} cost_graph.simplify_graph() for node_pair in all_node_pairs: if node_pair in merged_node_pairs: assert node_pair in cost_graph.edge_costs else: assert node_pair not in cost_graph.edge_costs if __name__ == '__main__': test_cost_graph()