| import unittest |
| import torch |
| import torch.nn as nn |
| import torch.backends.xnnpack |
| import torch.utils.bundled_inputs |
| from torch.testing._internal.jit_utils import get_forward, get_forward_graph |
| from torch.utils.mobile_optimizer import * |
| from torch.nn import functional as F |
| from torch._C import MobileOptimizerType |
| from torch.testing._internal.common_quantized import override_quantized_engine |
| |
| FileCheck = torch._C.FileCheck |
| |
| class TestOptimizer(unittest.TestCase): |
| |
| @unittest.skipUnless(torch.backends.xnnpack.enabled, |
| " XNNPACK must be enabled for these tests." |
| " Please build with USE_XNNPACK=1.") |
| def test_optimize_for_mobile(self): |
| batch_size = 2 |
| input_channels_per_group = 6 |
| height = 16 |
| width = 16 |
| output_channels_per_group = 6 |
| groups = 4 |
| kernel_h = kernel_w = 3 |
| stride_h = stride_w = 1 |
| pad_h = pad_w = 1 |
| dilation = 1 |
| input_channels = input_channels_per_group * groups |
| output_channels = output_channels_per_group * groups |
| kernels = (kernel_h, kernel_w) |
| strides = (stride_h, stride_w) |
| paddings = (pad_h, pad_w) |
| dilations = (dilation, dilation) |
| conv_weight_shape = (output_channels, input_channels_per_group, kernel_h, kernel_w) |
| conv_bias_shape = (output_channels) |
| |
| input_data = torch.rand((batch_size, input_channels, height, width)) |
| conv_weight = torch.rand((output_channels, input_channels_per_group, kernel_h, kernel_w)) |
| conv_bias = torch.rand((output_channels)) |
| result = F.conv2d(input_data, conv_weight, conv_bias, strides, paddings, dilations, groups) |
| weight_output_dim = 24 |
| linear_input_shape = result.shape[1] |
| linear_weight_shape = (weight_output_dim, linear_input_shape) |
| |
| class MyTestModule(torch.nn.Module): |
| def __init__(self): |
| super(MyTestModule, self).__init__() |
| self.conv_weight = torch.nn.Parameter(torch.Tensor(torch.rand(conv_weight_shape))) |
| self.conv_bias = torch.nn.Parameter(torch.Tensor(torch.rand((conv_bias_shape)))) |
| self.linear_weight = torch.nn.Parameter(torch.Tensor(torch.rand(linear_weight_shape))) |
| self.linear_bias = torch.nn.Parameter(torch.Tensor(torch.rand((weight_output_dim)))) |
| self.strides = strides |
| self.paddings = paddings |
| self.dilations = dilations |
| self.groups = groups |
| |
| def forward(self, x): |
| o = F.conv2d(x, self.conv_weight, self.conv_bias, |
| self.strides, self.paddings, self.dilations, self.groups) |
| o = F.relu(o) |
| x = o.permute([0, 2, 3, 1]) |
| o = F.linear(x, self.linear_weight, self.linear_bias) |
| o = o + x |
| return F.relu(o) |
| |
| class BNTestModule(torch.nn.Module): |
| def __init__(self): |
| super(BNTestModule, self).__init__() |
| self.conv = torch.nn.Conv2d(1, 20, 5, 1) |
| self.bn = torch.nn.BatchNorm2d(num_features=20) |
| self.bn.eps = 0.0023 |
| |
| def forward(self, x): |
| x = self.conv(x) |
| x = self.bn(x) |
| return x |
| |
| data_shape = (batch_size, input_channels, height, width) |
| input_data = torch.normal(1, 20, size=data_shape) |
| |
| scripted_model = torch.jit.script(MyTestModule()) |
| scripted_model.eval() |
| initial_result = scripted_model(input_data) |
| |
| optimized_scripted_model = optimize_for_mobile(scripted_model) |
| optimized_result = optimized_scripted_model(input_data) |
| |
| FileCheck().check_not("Tensor = aten::conv2d") \ |
| .check_not("Tensor = prim::CallFunction") \ |
| .check_not("prepacked::conv2d_clamp_prepack") \ |
| .check_count("prepacked::conv2d_clamp_run", 1, exactly=True) \ |
| .check_not("prepacked::linear_clamp_prepack") \ |
| .check_count("prepacked::linear_clamp_run", 1, exactly=True) \ |
| .check_not("aten::add(") \ |
| .check_not("aten::relu(") \ |
| .check_count("aten::_add_relu(", 1, exactly=True) \ |
| .run(optimized_scripted_model.graph) |
| torch.testing.assert_allclose(initial_result, optimized_result, rtol=1e-2, atol=1e-3) |
| |
| |
| optimization_blocklist_no_prepack = {MobileOptimizerType.INSERT_FOLD_PREPACK_OPS} |
| optimized_scripted_model_no_prepack = optimize_for_mobile(scripted_model, optimization_blocklist_no_prepack) |
| optimized_result_no_prepack = optimized_scripted_model_no_prepack(input_data) |
| |
| FileCheck().check_count("Tensor = aten::conv2d", 1, exactly=True) \ |
| .check_not("prepacked::linear_clamp_run") \ |
| .check_not("prepacked::conv2d_clamp_run") \ |
| .run(optimized_scripted_model_no_prepack.graph) |
| torch.testing.assert_allclose(initial_result, optimized_result_no_prepack, rtol=1e-2, atol=1e-3) |
| |
| |
| bn_test_module = BNTestModule() |
| bn_scripted_module = torch.jit.script(bn_test_module) |
| bn_scripted_module.eval() |
| self.assertEqual(len(torch.jit.export_opnames(bn_scripted_module)), 14) |
| FileCheck().check_count("prim::CallMethod[name=\"forward\"]", 2, exactly=True) \ |
| .run(str(get_forward(bn_scripted_module._c).graph)) |
| |
| optimization_blocklist_no_prepack = {MobileOptimizerType.INSERT_FOLD_PREPACK_OPS} |
| bn_fold_scripted_module = optimize_for_mobile(bn_scripted_module, optimization_blocklist_no_prepack) |
| self.assertEqual(len(torch.jit.export_opnames(bn_fold_scripted_module)), 1) |
| bn_input = torch.rand(1, 1, 6, 6) |
| torch.testing.assert_allclose(bn_scripted_module(bn_input), bn_fold_scripted_module(bn_input), rtol=1e-2, atol=1e-3) |
| |
| optimization_blocklist_no_fold_bn = {MobileOptimizerType.CONV_BN_FUSION} |
| no_bn_fold_scripted_module = optimize_for_mobile(bn_scripted_module, optimization_blocklist_no_fold_bn) |
| FileCheck().check_count("aten::batch_norm", 1, exactly=True) \ |
| .run(str(get_forward_graph(no_bn_fold_scripted_module._c))) |
| bn_input = torch.rand(1, 1, 6, 6) |
| torch.testing.assert_allclose(bn_scripted_module(bn_input), no_bn_fold_scripted_module(bn_input), rtol=1e-2, atol=1e-3) |
| |
| class MyMobileOptimizedTagTest(torch.nn.Module): |
| def __init__(self): |
| super(MyMobileOptimizedTagTest, self).__init__() |
| self.linear_weight = torch.nn.Parameter(torch.Tensor(torch.rand(linear_weight_shape))) |
| self.linear_bias = torch.nn.Parameter(torch.Tensor(torch.rand((weight_output_dim)))) |
| |
| def forward(self, x): |
| o = F.linear(x, self.linear_weight, self.linear_bias) |
| return F.relu(o) |
| |
| mobile_optimized_tag_module = MyMobileOptimizedTagTest() |
| m = torch.jit.script(mobile_optimized_tag_module) |
| m.eval() |
| opt_m = optimize_for_mobile(m) |
| tag = getattr(opt_m, "mobile_optimized", None) |
| self.assertTrue(tag) |
| |
| class MyPreserveMethodsTest(torch.nn.Module): |
| def __init__(self): |
| super(MyPreserveMethodsTest, self).__init__() |
| self.linear_weight = torch.nn.Parameter(torch.Tensor(torch.rand(linear_weight_shape))) |
| self.linear_bias = torch.nn.Parameter(torch.Tensor(torch.rand((weight_output_dim)))) |
| |
| def forward(self, x): |
| o = F.linear(x, self.linear_weight, self.linear_bias) |
| return F.relu(o) |
| |
| @torch.jit.export |
| def preserveThis(self): |
| pass |
| |
| preserve_method_module = MyPreserveMethodsTest() |
| m = torch.jit.script(preserve_method_module) |
| m.eval() |
| opt_m = optimize_for_mobile(m) |
| no_preserveThis = getattr(opt_m, "preserveThis", None) |
| self.assertEqual(no_preserveThis, None) |
| opt_m = optimize_for_mobile(m, preserved_methods=["preserveThis"]) |
| preserveThis = getattr(opt_m, "preserveThis", None) |
| self.assertNotEqual(preserveThis, None) |
| |
| @unittest.skipUnless(torch.backends.xnnpack.enabled, |
| " XNNPACK must be enabled for these tests." |
| " Please build with USE_XNNPACK=1.") |
| def test_quantized_conv_no_asan_failures(self): |
| # There were ASAN failures when fold_conv_bn was run on |
| # already quantized conv modules. Verifying that this does |
| # not happen again. |
| |
| if 'qnnpack' not in torch.backends.quantized.supported_engines: |
| return |
| |
| class Child(nn.Module): |
| def __init__(self): |
| super(Child, self).__init__() |
| self.conv2 = nn.Conv2d(1, 1, 1) |
| |
| def forward(self, x): |
| x = self.conv2(x) |
| return x |
| |
| class Parent(nn.Module): |
| def __init__(self): |
| super(Parent, self).__init__() |
| self.quant = torch.quantization.QuantStub() |
| self.conv1 = nn.Conv2d(1, 1, 1) |
| self.child = Child() |
| self.dequant = torch.quantization.DeQuantStub() |
| |
| def forward(self, x): |
| x = self.quant(x) |
| x = self.conv1(x) |
| x = self.child(x) |
| x = self.dequant(x) |
| return x |
| |
| with override_quantized_engine('qnnpack'): |
| model = Parent() |
| model.qconfig = torch.quantization.get_default_qconfig('qnnpack') |
| torch.quantization.prepare(model, inplace=True) |
| model(torch.randn(4, 1, 4, 4)) |
| torch.quantization.convert(model, inplace=True) |
| model = torch.jit.script(model) |
| # this line should not have ASAN failures |
| model_optim = optimize_for_mobile(model) |
| |
| def test_generate_mobile_module_lints(self): |
| class MyTestModule(torch.nn.Module): |
| def __init__(self): |
| super(MyTestModule, self).__init__() |
| self.fc = torch.nn.Linear(4, 4) |
| self.dropout = torch.nn.Dropout(p=0.5) |
| |
| def forward(self, inputs): |
| out = self.fc(inputs) |
| out = self.dropout(out) |
| return out |
| |
| class MyBNModule(torch.nn.Module): |
| def __init__(self): |
| super(MyBNModule, self).__init__() |
| self.bn = torch.nn.BatchNorm2d(4, affine=True) |
| |
| def forward(self, inputs): |
| bn = self.bn(inputs) |
| return bn |
| |
| class MyBundledInputModule(torch.nn.Module): |
| def __init__(self): |
| super(MyBundledInputModule, self).__init__() |
| |
| def forward(self, inputs): |
| return inputs |
| |
| def get_lint_count_by_type(lint_type, module_lint_List): |
| return len([lint_dict for lint_dict in module_lint_List if lint_dict['name'] == lint_type.name]) |
| |
| test_module = torch.jit.script(MyTestModule()) |
| test_module_lint_list = generate_mobile_module_lints(test_module) |
| self.assertEqual(len(test_module_lint_list), 4) |
| self.assertEqual(get_lint_count_by_type(LintCode.BUNDLED_INPUT, test_module_lint_list), 1) |
| self.assertEqual(get_lint_count_by_type(LintCode.DROPOUT, test_module_lint_list), 1) |
| self.assertEqual(get_lint_count_by_type(LintCode.REQUIRES_GRAD, test_module_lint_list), 2) |
| |
| bn_module = torch.jit.script(MyBNModule()) |
| bn_module_lint_list = generate_mobile_module_lints(bn_module) |
| self.assertEqual(len(bn_module_lint_list), 4) |
| self.assertEqual(get_lint_count_by_type(LintCode.BUNDLED_INPUT, bn_module_lint_list), 1) |
| self.assertEqual(get_lint_count_by_type(LintCode.BATCHNORM, bn_module_lint_list), 1) |
| self.assertEqual(get_lint_count_by_type(LintCode.REQUIRES_GRAD, bn_module_lint_list), 2) |
| |
| bi_module = torch.jit.script(MyBundledInputModule()) |
| torch.utils.bundled_inputs.augment_model_with_bundled_inputs( |
| bi_module, [(torch.tensor([1]),)], []) |
| bi_module_lint_list = generate_mobile_module_lints(bi_module) |
| self.assertEqual(len(bi_module_lint_list), 0) |
| |
| @unittest.skipUnless(torch.backends.xnnpack.enabled, |
| " XNNPACK must be enabled for these tests." |
| " Please build with USE_XNNPACK=1.") |
| def test_hoist_conv_packed_params(self): |
| |
| if 'qnnpack' not in torch.backends.quantized.supported_engines: |
| return |
| |
| class Standalone(nn.Module): |
| def __init__(self): |
| super(Standalone, self).__init__() |
| self.quant = torch.quantization.QuantStub() |
| self.conv1 = nn.Conv2d(1, 1, 1) |
| self.conv2 = nn.Conv2d(1, 1, 1) |
| self.relu = nn.ReLU() |
| self.dequant = torch.quantization.DeQuantStub() |
| |
| def forward(self, x): |
| x = self.quant(x) |
| x = self.conv1(x) |
| x = self.conv2(x) |
| x = self.relu(x) |
| x = self.dequant(x) |
| return x |
| |
| def fuse_model(self): |
| torch.quantization.fuse_modules(self, [['conv2', 'relu']], inplace=True) |
| pass |
| |
| class Child(nn.Module): |
| def __init__(self): |
| super(Child, self).__init__() |
| self.conv1 = nn.Conv2d(1, 1, 1) |
| |
| def forward(self, x): |
| x = self.conv1(x) |
| return x |
| |
| class Parent(nn.Module): |
| def __init__(self): |
| super(Parent, self).__init__() |
| self.quant = torch.quantization.QuantStub() |
| self.conv1 = nn.Conv2d(1, 1, 1) |
| self.child = Child() |
| # TODO: test nn.Sequential after #42039 is fixed |
| self.dequant = torch.quantization.DeQuantStub() |
| |
| def forward(self, x): |
| x = self.quant(x) |
| x = self.conv1(x) |
| x = self.child(x) |
| x = self.dequant(x) |
| return x |
| |
| def fuse_model(self): |
| pass |
| |
| with override_quantized_engine('qnnpack'): |
| def _quant_script_and_optimize(model): |
| model.qconfig = torch.quantization.get_default_qconfig('qnnpack') |
| model.fuse_model() |
| torch.quantization.prepare(model, inplace=True) |
| model(torch.randn(4, 1, 4, 4)) |
| torch.quantization.convert(model, inplace=True) |
| model = torch.jit.script(model) |
| model_optim = optimize_for_mobile(model) |
| return model, model_optim |
| |
| # basic case |
| |
| m, m_optim = _quant_script_and_optimize(Standalone()) |
| FileCheck().check_not("Conv2d = prim::GetAttr[name=\"conv1\"]") \ |
| .check_count("__torch__.torch.classes.quantized.Conv2dPackedParamsBase = prim::Constant", 2, exactly=True) \ |
| .run(m_optim.graph) |
| self.assertFalse(hasattr(m_optim, "conv1")) |
| self.assertFalse(hasattr(m_optim, "conv2")) |
| |
| data = torch.randn(4, 1, 4, 4) |
| m_res = m(data) |
| m_optim_res = m_optim(data) |
| torch.testing.assert_allclose(m_res, m_optim_res, rtol=1e-2, atol=1e-3) |
| |
| # generic case |
| |
| m, m_optim = _quant_script_and_optimize(Parent()) |
| FileCheck().check_not("Conv2d = prim::GetAttr[name=\"conv1\"]") \ |
| .check_count("__torch__.torch.classes.quantized.Conv2dPackedParamsBase = prim::Constant", 2, exactly=True) \ |
| .run(m_optim.graph) |
| self.assertFalse(hasattr(m_optim, "conv1")) |
| self.assertFalse(hasattr(m_optim, "child")) |
| |
| data = torch.randn(4, 1, 4, 4) |
| m_res = m(data) |
| m_optim_res = m_optim(data) |
| torch.testing.assert_allclose(m_res, m_optim_res, rtol=1e-2, atol=1e-3) |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |
