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test_quantized_sparse_layer.py
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import torch
from torch import nn
import torch.quantization as quant
import pytest
from layer.quantized_sparse_linear import QuantizedSparseLinear
# torch.set_num_threads(1)
def replace_zeros_with_random(tensor):
# Create a mask for zero elements
zero_mask = tensor == 0
# import pdb; pdb.set_trace()
# Generate random numbers with the same shape as the input tensor
random_tensor = torch.randint_like(tensor,-127,128)
# Replace zeros with random numbers
tensor[zero_mask] = random_tensor[zero_mask]
# import pdb; pdb.set_trace()
return tensor
def set_weights_to_zero(layer, percentage):
# Get the weight tensor
weights = layer.weight.data
# Calculate the number of weights to set to 0
num_weights = weights.numel()
num_zeros = int(num_weights * percentage / 100.0)
# Create a mask tensor
mask = torch.ones_like(weights)
# Randomly select indices to set to 0
zero_indices = torch.randperm(num_weights)[:num_zeros]
# Set the selected indices in the mask to 0
mask.view(-1)[zero_indices] = 0
# Apply the mask to the weights
layer.weight.data *= mask
def perform_zero_input_test(batch_size, out_rows, inner_dim, out_cols):
one_layer_net_torch_stock = nn.Linear(in_features=inner_dim, out_features=out_cols, bias=False, dtype=torch.bfloat16)
one_layer_net_torch_stock.weight.data = torch.randint(-127,128, (out_cols,inner_dim), dtype=torch.bfloat16)
# Make sure all weights are representable in bfloat16 since that's what AMX will operate on.
one_layer_net_torch_extcpp = QuantizedSparseLinear.from_linear(one_layer_net_torch_stock)
x = torch.zeros(batch_size, out_rows, inner_dim, dtype=torch.bfloat16)
with torch.no_grad():
o_torch_stock = one_layer_net_torch_stock(x)
o_torch_extcpp = one_layer_net_torch_extcpp(x.to(torch.int8))
assert torch.equal(o_torch_stock, o_torch_extcpp)
def perform_random_input_test(batch_size, out_rows, inner_dim, out_cols):
one_layer_net_torch_stock = nn.Linear(in_features=inner_dim, out_features=out_cols, bias=False, dtype=torch.bfloat16)
one_layer_net_torch_stock.weight.data = torch.randint(-127,128, (out_cols,inner_dim), dtype=torch.bfloat16)
one_layer_net_torch_stock.weight.data = replace_zeros_with_random(one_layer_net_torch_stock.weight.data)
# Make sure all weights are representable in bfloat16 since that's what AMX will operate on.
one_layer_net_torch_extcpp = QuantizedSparseLinear.from_linear(one_layer_net_torch_stock)
x = torch.randint(-127,128,(batch_size, out_rows, inner_dim), dtype=torch.bfloat16)
with torch.no_grad():
o_torch_stock = one_layer_net_torch_stock(x)
o_torch_extcpp = one_layer_net_torch_extcpp(x.to(torch.int8))
torch.testing.assert_close(o_torch_extcpp, o_torch_stock)
# assert torch.equal(o_torch_stock, o_torch_extcpp)
def perform_random_input_test_with_sparsity(batch_size, out_rows, inner_dim, out_cols, sparsity_percentage):
one_layer_net_torch_stock = nn.Linear(in_features=inner_dim, out_features=out_cols, bias=False, dtype=torch.bfloat16)
one_layer_net_torch_stock.weight.data = torch.randint(-127,128, (out_cols,inner_dim), dtype=torch.bfloat16)
# Make sure all weights are representable in bfloat16 since that's what AMX will operate on.
set_weights_to_zero(one_layer_net_torch_stock, sparsity_percentage)
one_layer_net_torch_extcpp = QuantizedSparseLinear.from_linear(one_layer_net_torch_stock)
x = torch.randint(-127,128,(batch_size, out_rows, inner_dim), dtype=torch.bfloat16)
with torch.no_grad():
o_torch_stock = one_layer_net_torch_stock(x)
o_torch_extcpp = one_layer_net_torch_extcpp(x.to(torch.int8))
torch.testing.assert_close(o_torch_extcpp, o_torch_stock)
# assert torch.equal(o_torch_stock, o_torch_extcpp)
test_data = [
(1, 1, 64, 16),
(1, 1, 128, 16),
(1, 1, 256, 16),
(1, 1, 512, 16),
(1, 1, 4096, 16),
(1, 16, 64, 16),
(1, 16, 128, 16),
(1, 16, 256, 16),
(1, 16, 512, 16),
(1, 16, 4096, 16),
(1, 512, 64, 16),
(1, 512, 128, 16),
(1, 512, 256, 16),
(1, 512, 512, 16),
(1, 512, 4096, 16),
(1, 512, 4096, 512),
(1, 512, 4096, 1024),
]
@pytest.mark.parametrize("batch_size,out_rows,inner_dim,out_cols", test_data)
def test_zero_inputs_even_d(batch_size, out_rows,inner_dim,out_cols):
perform_zero_input_test(batch_size, out_rows,inner_dim,out_cols)
test_data = [
(1, 1, 64, 16),
(1, 1, 128, 16),
(1, 1, 256, 16),
(1, 1, 512, 16),
(1, 1, 4096, 16),
(1, 16, 64, 16),
(1, 16, 128, 16),
(1, 16, 256, 16),
(1, 16, 512, 16),
(1, 16, 4096, 16),
(1, 512, 64, 16),
(1, 512, 128, 16),
(1, 512, 256, 16),
(1, 512, 512, 16),
(1, 512, 4096, 16),
(1, 512, 4096, 512),
(1, 512, 4096, 1024),
]
@pytest.mark.parametrize("batch_size,out_rows,inner_dim,out_cols", test_data)
@pytest.mark.skip(reason="Odd Inner Dimension is not yet supported because each 2 elements are put in the same row.")
def test_zero_inputs_odd_d(batch_size,out_rows,inner_dim,out_cols):
perform_zero_input_test(batch_size,out_rows,inner_dim,out_cols)
test_data = [
(1, 1, 64, 16),
(1, 1, 128, 16),
(1, 1, 256, 16),
(1, 1, 512, 16),
(1, 1, 4096, 16),
(1, 16, 64, 16),
(1, 16, 128, 16),
(1, 16, 256, 16),
(1, 16, 512, 16),
(1, 16, 4096, 16),
(1, 512, 64, 16),
(1, 512, 128, 16),
(1, 512, 256, 16),
(1, 512, 512, 16),
(1, 512, 4096, 16),
(1, 512, 4096, 512),
(1, 512, 4096, 1024),
]
@pytest.mark.parametrize("batch_size,out_rows,inner_dim,out_cols", test_data)
def test_random_inputs_even_d(batch_size,out_rows,inner_dim,out_cols):
perform_random_input_test(batch_size,out_rows,inner_dim,out_cols)
test_data = [
(1, 1, 64, 16),
(1, 1, 128, 16),
(1, 1, 256, 16),
(1, 1, 512, 16),
(1, 1, 4096, 16),
(1, 16, 64, 16),
(1, 16, 128, 16),
(1, 16, 256, 16),
(1, 16, 512, 16),
(1, 16, 4096, 16),
(1, 512, 64, 16),
(1, 512, 128, 16),
(1, 512, 256, 16),
(1, 512, 512, 16),
(1, 512, 4096, 16),
(1, 512, 4096, 512),
(1, 512, 4096, 1024),
# (1, 1, 4096 * 4, 4096),
# (1, 1, 4096 * 4, 4096), # Added 3 times because this case before using int64 type would randomly fail.
# (1, 1, 4096 * 4, 4096),
]
@pytest.mark.parametrize("batch_size,out_rows,inner_dim,out_cols", test_data)
# @pytest.mark.skip(reason="More than 1 tile is not supported yet.")
def test_random_inputs_more_than_a_tile_all_full(batch_size,out_rows,inner_dim,out_cols):
perform_random_input_test(batch_size,out_rows,inner_dim,out_cols)
test_data = [
(1, 1, 64, 16),
(1, 1, 128, 16),
(1, 1, 256, 16),
(1, 1, 512, 16),
(1, 1, 4096, 16),
(1, 16, 64, 16),
(1, 16, 128, 16),
(1, 16, 256, 16),
(1, 16, 512, 16),
(1, 16, 4096, 16),
(1, 512, 64, 16),
(1, 512, 128, 16),
(1, 512, 256, 16),
(1, 512, 512, 16),
(1, 512, 4096, 16),
(1, 512, 4096, 512),
(1, 512, 4096, 1024),
]
@pytest.mark.parametrize("batch_size,out_rows,inner_dim,out_cols", test_data)
@pytest.mark.skip(reason="Partial tiles are not supported yet.")
def test_random_inputs_more_than_a_tile_partial_tiles(batch_size,out_rows,inner_dim,out_cols):
perform_random_input_test(batch_size,out_rows,inner_dim,out_cols)
test_data = [
(1, 1, 64, 16),
(1, 1, 128, 16),
(1, 1, 256, 16),
(1, 1, 512, 16),
(1, 1, 4096, 16),
(1, 16, 64, 16),
(1, 16, 128, 16),
(1, 16, 256, 16),
(1, 16, 512, 16),
(1, 16, 4096, 16),
(1, 512, 64, 16),
(1, 512, 128, 16),
(1, 512, 256, 16),
(1, 512, 512, 16),
(1, 512, 4096, 16),
(1, 512, 4096, 512),
(1, 512, 4096, 1024),
# llama layers
(16, 1, 4096, 4096),
(16, 1, 4096, 1024),
(16, 1, 4096, 14336),
(16, 1, 14336, 4096),
# (16, 1024, 1024*4, 1024*4),
]
@pytest.mark.parametrize("batch_size,out_rows,inner_dim,out_cols", test_data)
# @pytest.mark.skip(reason="More than 1 tile is not supported yet.")
def test_random_inputs_more_than_a_tile_with_20p_sparsity(batch_size,out_rows,inner_dim,out_cols):
perform_random_input_test_with_sparsity(batch_size,out_rows,inner_dim,out_cols,20)
@pytest.mark.parametrize("batch_size,out_rows,inner_dim,out_cols", test_data)
# @pytest.mark.skip(reason="More than 1 tile is not supported yet.")
def test_random_inputs_more_than_a_tile_with_50p_sparsity(batch_size,out_rows,inner_dim,out_cols):
perform_random_input_test_with_sparsity(batch_size,out_rows,inner_dim,out_cols,50)
@pytest.mark.parametrize("batch_size,out_rows,inner_dim,out_cols", test_data)
# @pytest.mark.skip(reason="More than 1 tile is not supported yet.")
def test_random_inputs_more_than_a_tile_with_80p_sparsity(batch_size,out_rows,inner_dim,out_cols):
perform_random_input_test_with_sparsity(batch_size,out_rows,inner_dim,out_cols,80)
@pytest.mark.parametrize("batch_size,out_rows,inner_dim,out_cols", test_data)
# @pytest.mark.skip(reason="More than 1 tile is not supported yet.")
def test_random_inputs_more_than_a_tile_with_100p_sparsity(batch_size,out_rows,inner_dim,out_cols):
perform_random_input_test_with_sparsity(batch_size,out_rows,inner_dim,out_cols,100)