add ru calculator integration test for torch

Author: irenab

tests_pytest/base_test_classes/base_test_ru_integration.py

@@ -0,0 +1,256 @@
+# Copyright 2025 Sony Semiconductor Israel, Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ==============================================================================
+import abc
+import copy
+from typing import Callable, Generator
+
+from model_compression_toolkit.core import QuantizationConfig, FrameworkInfo
+from model_compression_toolkit.core.common.framework_implementation import FrameworkImplementation
+from model_compression_toolkit.core.common.graph.virtual_activation_weights_node import VirtualActivationWeightsNode, \
+    VirtualSplitActivationNode, VirtualSplitWeightsNode
+from model_compression_toolkit.core.common.mixed_precision.resource_utilization_tools.resource_utilization import \
+    RUTarget, ResourceUtilization
+from model_compression_toolkit.core.common.mixed_precision.resource_utilization_tools.resource_utilization_calculator import \
+    ResourceUtilizationCalculator, TargetInclusionCriterion, BitwidthMode
+from model_compression_toolkit.core.common.substitutions.apply_substitutions import substitute
+from model_compression_toolkit.core.graph_prep_runner import graph_preparation_runner
+from model_compression_toolkit.target_platform_capabilities import QuantizationMethod, AttributeQuantizationConfig, \
+    OpQuantizationConfig, QuantizationConfigOptions, Signedness, OperatorsSet, OperatorSetNames, \
+    TargetPlatformCapabilities
+from model_compression_toolkit.target_platform_capabilities.constants import KERNEL_ATTR, BIAS_ATTR
+
+
+def build_tpc():
+    """ Build minimal tpc containing linear and binary ops, configurable a+w for linear ops,
+        distinguishable nbits for default / linear / binary activation and for const / linear weights. """
+    default_w_cfg = AttributeQuantizationConfig(weights_quantization_method=QuantizationMethod.POWER_OF_TWO,
+                                                weights_n_bits=8,
+                                                weights_per_channel_threshold=True,
+                                                enable_weights_quantization=True)
+    default_w_nbit = 16
+    default_a_nbit = 8
+    default_op_cfg = OpQuantizationConfig(
+        default_weight_attr_config=default_w_cfg.clone_and_edit(weights_n_bits=default_w_nbit),
+        attr_weights_configs_mapping={},
+        activation_quantization_method=QuantizationMethod.POWER_OF_TWO,
+        activation_n_bits=default_a_nbit,
+        supported_input_activation_n_bits=[16, 8, 4, 2],
+        enable_activation_quantization=True,
+        quantization_preserving=False,
+        fixed_scale=None,
+        fixed_zero_point=None,
+        simd_size=32,
+        signedness=Signedness.AUTO)
+
+    default_w_op_cfg = default_op_cfg.clone_and_edit(
+        attr_weights_configs_mapping={KERNEL_ATTR: default_w_cfg, BIAS_ATTR: AttributeQuantizationConfig()}
+    )
+
+    mp_configs = []
+    linear_w_min_nbit = 2
+    linear_a_min_nbit = 4
+    for w_nbit in [linear_w_min_nbit, linear_w_min_nbit * 2, linear_w_min_nbit * 4]:
+        for a_nbit in [linear_a_min_nbit, linear_a_min_nbit * 2]:
+            attr_cfg = default_w_cfg.clone_and_edit(weights_n_bits=w_nbit)
+            mp_configs.append(default_w_op_cfg.clone_and_edit(
+                attr_weights_configs_mapping={KERNEL_ATTR: attr_cfg, BIAS_ATTR: AttributeQuantizationConfig()},
+                activation_n_bits=a_nbit
+            ))
+    mp_cfg_options = QuantizationConfigOptions(quantization_configurations=mp_configs,
+                                               base_config=default_w_op_cfg)
+
+    linear_ops = [OperatorsSet(name=opset, qc_options=mp_cfg_options) for opset in (OperatorSetNames.CONV,
+                                                                                    OperatorSetNames.CONV_TRANSPOSE,
+                                                                                    OperatorSetNames.DEPTHWISE_CONV,
+                                                                                    OperatorSetNames.FULLY_CONNECTED)]
+
+    default_cfg = QuantizationConfigOptions(quantization_configurations=[default_op_cfg])
+
+    binary_out_a_bit = 16
+    binary_cfg = QuantizationConfigOptions(
+        quantization_configurations=[default_op_cfg.clone_and_edit(activation_n_bits=binary_out_a_bit)]
+    )
+    binary_ops = [
+        OperatorsSet(name=opset, qc_options=binary_cfg) for opset in (OperatorSetNames.ADD, OperatorSetNames.SUB)
+    ]
+
+    tpc = TargetPlatformCapabilities(default_qco=default_cfg,
+                                     tpc_platform_type='test',
+                                     operator_set=linear_ops + binary_ops,
+                                     fusing_patterns=None)
+
+    assert linear_w_min_nbit != default_w_nbit
+    assert len({linear_a_min_nbit, default_a_nbit, binary_out_a_bit}) == 3
+    return tpc, linear_w_min_nbit, linear_a_min_nbit, default_w_nbit, default_a_nbit, binary_out_a_bit
+
+
+class BaseRUIntegrationTester(abc.ABC):
+    """ Test resource utilization calculator on a real framework model with graph preparation """
+    fw_info: FrameworkInfo
+    fw_impl: FrameworkImplementation
+    attach_to_fw_func: Callable
+
+    bhwc_input_shape = (1, 18, 18, 3)
+
+    @abc.abstractmethod
+    def _build_sequential_model(self):
+        r""" build framework model for test_orig_vs_virtual_sequential_graph:
+              conv2d(k=5, filters=8) -> add const(14, 14, 8) -> dwconv(k=3, dm=2) ->
+              -> conv_transpose(k=5, filters=12) ->  flatten -> fc(10)
+        """
+        raise NotImplementedError()
+
+    @abc.abstractmethod
+    def _build_mult_output_activation_model(self):
+        r""" build framework model for test_mult_output_activation:
+              x - conv2d(k=3, filters=15, groups=3)  \  subtract -> flatten -> fc(10)
+                \ dwconv2d(k=3, dm=5)                /
+        """
+        raise NotImplementedError()
+
+    @abc.abstractmethod
+    def _data_gen(self) -> Generator:
+        """ Build framework datagen with 'bhwc_input_shape' """
+        raise NotImplementedError()
+
+    def test_orig_vs_virtual_graph_ru(self):
+        """ Test detailed ru computation on original and the corresponding virtual graphs. """
+        # model is sequential so that activation cuts are well uniquely defined.
+        model = self._build_sequential_model()
+        # test the original graph
+        graph, nbits = self._prepare_graph(model, disable_linear_collapse=True)
+        linear_w_min_nbit, linear_a_min_nbit, default_w_nbits, default_a_nbit, binary_out_a_bit = nbits
+
+        ru_calc = ResourceUtilizationCalculator(graph, self.fw_impl, self.fw_info)
+        ru_orig, detailed_orig = ru_calc.compute_resource_utilization(TargetInclusionCriterion.AnyQuantized,
+                                                                      BitwidthMode.QMinBit,
+                                                                      return_detailed=True)
+
+        exp_cuts_ru = [18 * 18 * 3 * default_a_nbit / 8,
+                       (18 * 18 * 3 * default_a_nbit + 14 * 14 * 8 * linear_a_min_nbit) / 8,
+                       (14 * 14 * 8 * linear_a_min_nbit + 14 * 14 * 8 * binary_out_a_bit) / 8,
+                       (14 * 14 * 8 * binary_out_a_bit + 12 * 12 * 16 * linear_a_min_nbit) / 8,
+                       (12 * 12 * 16 * linear_a_min_nbit + 16 * 16 * 12 * linear_a_min_nbit) / 8,
+                       (16 * 16 * 12 * linear_a_min_nbit + 16 * 16 * 12 * default_a_nbit) / 8,
+                       (16 * 16 * 12 * default_a_nbit + 10 * linear_a_min_nbit) / 8,
+                       10 * linear_a_min_nbit / 8]
+        assert self._extract_values(detailed_orig[RUTarget.ACTIVATION], sort=True) == sorted(exp_cuts_ru)
+
+        exp_w_ru = [5 * 5 * 3 * 8 * linear_w_min_nbit / 8,
+                    14 * 14 * 8 * default_w_nbits / 8,    # const
+                    3 * 3 * 8 * 2 * linear_w_min_nbit / 8,
+                    5 * 5 * 16 * 12 * linear_w_min_nbit / 8,
+                    (16*16*12) * 10 * linear_w_min_nbit / 8]
+        assert self._extract_values(detailed_orig[RUTarget.WEIGHTS]) == exp_w_ru
+
+        exp_bops = [(5 * 5 * 3 * 8) * (14 * 14) * default_a_nbit * linear_w_min_nbit,
+                    (3 * 3 * 8 * 2) * (12 * 12) * binary_out_a_bit * linear_w_min_nbit,
+                    (5 * 5 * 16 * 12) * (16 * 16) * linear_a_min_nbit * linear_w_min_nbit,
+                    (16 * 16 * 12) * 10 * default_a_nbit * linear_w_min_nbit]
+        assert self._extract_values(detailed_orig[RUTarget.BOPS]) == exp_bops
+
+        assert ru_orig == ResourceUtilization(activation_memory=max(exp_cuts_ru),
+                                              weights_memory=sum(exp_w_ru),
+                                              total_memory=max(exp_cuts_ru) + sum(exp_w_ru),
+                                              bops=sum(exp_bops))
+
+        # generate virtual graph and make sure resource utilization results are identical
+        virtual_graph = substitute(copy.deepcopy(graph),
+                                   self.fw_impl.get_substitutions_virtual_weights_activation_coupling())
+        assert len(virtual_graph.nodes) == 7
+        assert len([n for n in virtual_graph.nodes if isinstance(n, VirtualActivationWeightsNode)]) == 4
+        assert len([n for n in virtual_graph.nodes if isinstance(n, VirtualSplitActivationNode)]) == 3
+
+        ru_calc = ResourceUtilizationCalculator(virtual_graph, self.fw_impl, self.fw_info)
+        ru_virtual, detailed_virtual = ru_calc.compute_resource_utilization(TargetInclusionCriterion.AnyQuantized,
+                                                                            BitwidthMode.QMinBit,
+                                                                            return_detailed=True)
+        assert ru_virtual == ru_orig
+
+        assert (self._extract_values(detailed_virtual[RUTarget.ACTIVATION], sort=True) == sorted(exp_cuts_ru))
+        # virtual composed node contains both activation's const and weights' kernel
+        assert (self._extract_values(detailed_virtual[RUTarget.WEIGHTS]) ==
+                [exp_w_ru[0], sum(exp_w_ru[1:3]), *exp_w_ru[3:]])
+        assert self._extract_values(detailed_virtual[RUTarget.BOPS]) == exp_bops
+
+    def test_mult_output_activation(self):
+        """ Tests the case when input activation has multiple outputs -> virtual weights nodes are not merged
+            into VirtualActivationWeightsNode. """
+        model = self._build_mult_output_activation_model()
+
+        graph, nbits = self._prepare_graph(model)
+        linear_w_min_nbit, linear_a_min_nbit, default_w_nbits, default_a_nbit, binary_out_a_bit = nbits
+
+        ru_calc = ResourceUtilizationCalculator(graph, self.fw_impl, self.fw_info)
+        ru_orig, detailed_orig = ru_calc.compute_resource_utilization(TargetInclusionCriterion.AnyQuantized,
+                                                                      BitwidthMode.QMinBit,
+                                                                      return_detailed=True)
+
+        exp_cuts_ru = [18*18*3 * default_a_nbit/8,
+                       (18*18*3 * default_a_nbit + 16*16*15 * linear_a_min_nbit) / 8,
+                       (18*18*3 * default_a_nbit + 2 * (16*16*15 * linear_a_min_nbit)) / 8,
+                       16*16*15 * (2*linear_a_min_nbit + binary_out_a_bit) / 8,
+                       (16*16*15 * (binary_out_a_bit + default_a_nbit)) / 8,
+                       (16*16*15 * default_a_nbit + 10 * linear_a_min_nbit) / 8,
+                       10 * linear_a_min_nbit / 8]
+
+        # the order of conv and dwconv is not guaranteed, but they have same values
+        exp_w_ru = [3*3*1*15 * linear_w_min_nbit/8,
+                    3*3*3*5 * linear_w_min_nbit/8,
+                    16*16*15*10 * linear_w_min_nbit/8]
+        # bops are not computed for virtual weights nodes
+        exp_bops = [(16*16*15*10)*default_a_nbit*linear_w_min_nbit]
+
+        assert self._extract_values(detailed_orig[RUTarget.ACTIVATION], sort=True) == sorted(exp_cuts_ru)
+        assert self._extract_values(detailed_orig[RUTarget.WEIGHTS]) == exp_w_ru
+        assert self._extract_values(detailed_orig[RUTarget.BOPS]) == exp_bops
+
+        virtual_graph = substitute(copy.deepcopy(graph),
+                                   self.fw_impl.get_substitutions_virtual_weights_activation_coupling())
+        assert len(virtual_graph.nodes) == 8
+        assert len([n for n in virtual_graph.nodes if isinstance(n, VirtualActivationWeightsNode)]) == 1
+        assert len([n for n in virtual_graph.nodes if isinstance(n, VirtualSplitActivationNode)]) == 3
+        assert len([n for n in virtual_graph.nodes if isinstance(n, VirtualSplitWeightsNode)]) == 2
+
+        ru_calc = ResourceUtilizationCalculator(virtual_graph, self.fw_impl, self.fw_info)
+        ru_virtual, detailed_virtual = ru_calc.compute_resource_utilization(TargetInclusionCriterion.AnyQuantized,
+                                                                            BitwidthMode.QMinBit,
+                                                                            return_detailed=True)
+        assert ru_virtual == ru_orig
+        # conv and dwconv each remain as a pair of virtual W and virtual A nodes. Remaining virtual W nodes mess up the
+        # cuts - but this should only add virtualW-virtualA cuts, all cuts from the original graph should stay identical
+        assert not set(exp_cuts_ru) - set(detailed_virtual[RUTarget.ACTIVATION].values())
+        assert self._extract_values(detailed_virtual[RUTarget.WEIGHTS]) == exp_w_ru
+        assert self._extract_values(detailed_virtual[RUTarget.BOPS]) == exp_bops
+
+    def _prepare_graph(self, model, disable_linear_collapse: bool=False):
+        # If disable_linear_collapse is False we use the default quantization config
+        tpc, *nbits = build_tpc()
+        qcfg = QuantizationConfig(linear_collapsing=False) if disable_linear_collapse else QuantizationConfig()
+        graph = graph_preparation_runner(model,
+                                         self._data_gen,
+                                         quantization_config=qcfg,
+                                         fw_info=self.fw_info,
+                                         fw_impl=self.fw_impl,
+                                         fqc=self.attach_to_fw_func(tpc),
+                                         mixed_precision_enable=True,
+                                         running_gptq=False)
+        return graph, nbits
+
+    @staticmethod
+    def _extract_values(res: dict, sort=False):
+        """ Extract values for target detailed resource utilization result. """
+        values = list(res.values())
+        return sorted(values) if sort else values