Layernorm shift partition enhance (#46816)

* first version of ln_s_p with s>0

* refine and UT

* pass opt draft

* pass opt

* code refine

* code-style

* bug fix

* fix ci test

* code style

paddle/fluid/framework/ir/graph_pattern_detector.cc

@@ -3553,8 +3553,20 @@ PDNode *patterns::LayernormShiftPartitionPattern::operator()() {
           });
   auto reshape1_out = pattern->NewNode(reshape1_out_repr())
                           ->AsIntermediate()
-                          ->assert_is_op_input("reshape2", "X")
                           ->assert_is_op_output("reshape2", "Out");
+  PDNode *roll1_op = nullptr;
+  PDNode *roll1_out = nullptr;
+
+  if (!with_roll_) {
+    reshape1_out->assert_is_op_input("reshape2", "X");
+  } else {
+    reshape1_out->assert_is_op_input("roll", "X");
+    roll1_op = pattern->NewNode(roll1_op_repr())->assert_is_op("roll");
+    roll1_out = pattern->NewNode(roll1_out_repr())
+                    ->AsIntermediate()
+                    ->assert_is_op_output("roll", "Out")
+                    ->assert_is_op_input("reshape2", "X");
+  }
   auto reshape2_op =
       pattern->NewNode(reshape2_op_repr())
           ->assert_is_op("reshape2")
@@ -3564,6 +3576,7 @@ PDNode *patterns::LayernormShiftPartitionPattern::operator()() {
                                      node->Op()->GetAttr("shape"))
                         .size() == 6);
           });
+
   auto reshape2_out = pattern->NewNode(reshape2_out_repr())
                           ->AsIntermediate()
                           ->assert_is_op_input("transpose2", "X")
@@ -3612,7 +3625,12 @@ PDNode *patterns::LayernormShiftPartitionPattern::operator()() {
   layer_norm_op->LinksFrom({layer_norm_in, layer_norm_bias, layer_norm_scale})
       .LinksTo({layer_norm_out});
   reshape1_op->LinksFrom({layer_norm_out}).LinksTo({reshape1_out});
+  if (!with_roll_) {
     reshape2_op->LinksFrom({reshape1_out}).LinksTo({reshape2_out});
+  } else {
+    roll1_op->LinksFrom({reshape1_out}).LinksTo({roll1_out});
+    reshape2_op->LinksFrom({roll1_out}).LinksTo({reshape2_out});
+  }
   transpose_op->LinksFrom({reshape2_out}).LinksTo({transpose_out});
   reshape3_op->LinksFrom({transpose_out}).LinksTo({reshape3_out});
   reshape4_op->LinksFrom({reshape3_out}).LinksTo({reshape4_out});

paddle/fluid/framework/ir/graph_pattern_detector.h

@@ -1914,15 +1914,17 @@ struct LayerNorm : public PatternBase {
 
 //
 // \brief   Pattern looking for subgraph representing layernorm_shift_partition
-//          operation.
+//          operation with shift_size = 0.
 //
 struct LayernormShiftPartitionPattern : public PatternBase {
   LayernormShiftPartitionPattern(PDPattern* pattern,
-                                 const std::string& name_scope)
-      : PatternBase(pattern, name_scope, "layernorm_shift_partition") {}
+                                 const std::string& name_scope,
+                                 bool with_roll)
+      : PatternBase(pattern, name_scope, "layernorm_shift_partition"),
+        with_roll_(with_roll) {}
 
   PDNode* operator()();
-
+  bool with_roll_;
   PATTERN_DECL_NODE(layer_norm_in);
   PATTERN_DECL_NODE(layer_norm_op);
   PATTERN_DECL_NODE(layer_norm_bias);
@@ -1930,6 +1932,10 @@ struct LayernormShiftPartitionPattern : public PatternBase {
   PATTERN_DECL_NODE(layer_norm_out);
   PATTERN_DECL_NODE(reshape1_op);
   PATTERN_DECL_NODE(reshape1_out);
+  // optional op roll
+  PATTERN_DECL_NODE(roll1_op);
+  PATTERN_DECL_NODE(roll1_out);
+
   PATTERN_DECL_NODE(reshape2_op);
   PATTERN_DECL_NODE(reshape2_out);
   PATTERN_DECL_NODE(transpose_op);

paddle/fluid/framework/ir/layernorm_shift_partition_fuse_pass.cc

@@ -16,6 +16,7 @@
 
 #include <cmath>
 #include <string>
+#include <vector>
 
 #include "paddle/fluid/framework/ir/graph_pattern_detector.h"
 #include "paddle/fluid/framework/op_proto_maker.h"
@@ -85,22 +86,33 @@ LayerNormShiftPartitionFusePass::LayerNormShiftPartitionFusePass() {
       .AddAttr("axis")
       .IsType<std::vector<int>>()
       .End();
+  AddOpCompat(OpCompat("roll"))
+      .AddInput("X")
+      .IsTensor()
+      .End()
+      .AddOutput("Out")
+      .IsTensor()
+      .End()
+      .AddAttr("axis")
+      .IsType<std::vector<int64_t>>()
+      .End()
+      .AddAttr("shifts")
+      .IsType<std::vector<int64_t>>()
+      .End();
 }
 
-void LayerNormShiftPartitionFusePass::ApplyImpl(ir::Graph* graph) const {
+int LayerNormShiftPartitionFusePass::ApplyPattern(ir::Graph* graph,
+                                                  bool with_roll) const {
   PADDLE_ENFORCE_NOT_NULL(
       graph,
       platform::errors::InvalidArgument(
           "The input graph of LayerNormShiftPartitionFusePass should not be "
           "nullptr."));
-
   FusePassBase::Init(scope_name_, graph);
-
   GraphPatternDetector gpd;
   patterns::LayernormShiftPartitionPattern shift_patition_pattern(
-      gpd.mutable_pattern(), scope_name_);
+      gpd.mutable_pattern(), scope_name_, with_roll);
   shift_patition_pattern();
-
   int found_count = 0;
   auto handler = [&](const GraphPatternDetector::subgraph_t& subgraph,
                      Graph* g) {
@@ -108,8 +120,13 @@ void LayerNormShiftPartitionFusePass::ApplyImpl(ir::Graph* graph) const {
       LOG(WARNING) << "layernorm_shift_partition_fuse in op compat failed.";
       return;
     }
-
-    VLOG(4) << "layernorm_shift_partition_fuse pass";
+    if (with_roll) {
+      VLOG(4)
+          << "layernorm_shift_partition_fuse pass, shift_size>0, with roll op";
+    } else {
+      VLOG(4) << "layernorm_shift_partition_fuse pass, shift_size=0, without "
+                 "roll op";
+    }
     GET_IR_NODE_FROM_SUBGRAPH(
         layer_norm_in, layer_norm_in, shift_patition_pattern);
     GET_IR_NODE_FROM_SUBGRAPH(
@@ -123,6 +140,15 @@ void LayerNormShiftPartitionFusePass::ApplyImpl(ir::Graph* graph) const {
     GET_IR_NODE_FROM_SUBGRAPH(reshape1_op, reshape1_op, shift_patition_pattern);
     GET_IR_NODE_FROM_SUBGRAPH(
         reshape1_out, reshape1_out, shift_patition_pattern);
+    Node* roll1_op = nullptr;
+    Node* roll1_out = nullptr;
+    if (with_roll) {
+      GET_IR_NODE_FROM_SUBGRAPH(tmp_roll1_op, roll1_op, shift_patition_pattern);
+      GET_IR_NODE_FROM_SUBGRAPH(
+          tmp_roll1_out, roll1_out, shift_patition_pattern);
+      roll1_op = tmp_roll1_op;
+      roll1_out = tmp_roll1_out;
+    }
     GET_IR_NODE_FROM_SUBGRAPH(reshape2_op, reshape2_op, shift_patition_pattern);
     GET_IR_NODE_FROM_SUBGRAPH(
         reshape2_out, reshape2_out, shift_patition_pattern);
@@ -136,6 +162,21 @@ void LayerNormShiftPartitionFusePass::ApplyImpl(ir::Graph* graph) const {
     GET_IR_NODE_FROM_SUBGRAPH(reshape4_op, reshape4_op, shift_patition_pattern);
     GET_IR_NODE_FROM_SUBGRAPH(
         reshape4_out, reshape4_out, shift_patition_pattern);
+    std::unordered_set<const Node*> del_node_set = {layer_norm_op,
+                                                    layer_norm_out,
+                                                    reshape1_op,
+                                                    reshape1_out,
+                                                    reshape2_op,
+                                                    reshape2_out,
+                                                    transpose_op,
+                                                    transpose_out,
+                                                    reshape3_op,
+                                                    reshape3_out,
+                                                    reshape4_op};
+    if (with_roll) {
+      del_node_set.insert(roll1_op);
+      del_node_set.insert(roll1_out);
+    }
 
     std::vector<int> shape_atr1 =
         PADDLE_GET_CONST(std::vector<int>, reshape1_op->Op()->GetAttr("shape"));
@@ -165,7 +206,20 @@ void LayerNormShiftPartitionFusePass::ApplyImpl(ir::Graph* graph) const {
     if (window_size < 0 || input_resolution < 0) {
       return;
     }
-
+    int shift_size = 0;
+    if (with_roll) {
+      std::vector<int64_t> roll_axis = PADDLE_GET_CONST(
+          std::vector<int64_t>, roll1_op->Op()->GetAttr("axis"));
+      std::vector<int64_t> roll_shifts = PADDLE_GET_CONST(
+          std::vector<int64_t>, roll1_op->Op()->GetAttr("shifts"));
+      if (roll_axis.size() != 2 || roll_axis[0] != 1 || roll_axis[1] != 2) {
+        return;
+      }
+      if (roll_shifts.size() != 2 || roll_shifts[0] != roll_shifts[1]) {
+        return;
+      }
+      shift_size = static_cast<int>(-roll_shifts[0]);
+    }
     OpDesc new_op_desc;
     new_op_desc.SetType("layernorm_shift_partition");
     new_op_desc.SetInput("X", {layer_norm_in->Name()});
@@ -176,6 +230,7 @@ void LayerNormShiftPartitionFusePass::ApplyImpl(ir::Graph* graph) const {
     new_op_desc.SetAttr("begin_norm_axis",
                         layer_norm_op->Op()->GetAttr("begin_norm_axis"));
     new_op_desc.SetAttr("window_size", window_size);
+    new_op_desc.SetAttr("shift_size", shift_size);
     new_op_desc.SetAttr("input_resolution", input_resolution);
     new_op_desc.Flush();
 
@@ -185,22 +240,19 @@ void LayerNormShiftPartitionFusePass::ApplyImpl(ir::Graph* graph) const {
     IR_NODE_LINK_TO(layer_norm_bias, layernorm_shift_partition);
     IR_NODE_LINK_TO(layer_norm_scale, layernorm_shift_partition);
     IR_NODE_LINK_TO(layernorm_shift_partition, reshape4_out);
-    GraphSafeRemoveNodes(graph,
-                         {layer_norm_op,
-                          layer_norm_out,
-                          reshape1_op,
-                          reshape1_out,
-                          reshape2_op,
-                          reshape2_out,
-                          transpose_op,
-                          transpose_out,
-                          reshape3_op,
-                          reshape3_out,
-                          reshape4_op});
+    GraphSafeRemoveNodes(graph, del_node_set);
     ++found_count;
   };
 
   gpd(graph, handler);
+
+  return found_count;
+}
+
+void LayerNormShiftPartitionFusePass::ApplyImpl(ir::Graph* graph) const {
+  int found_count = 0;
+  found_count += ApplyPattern(graph, true);
+  found_count += ApplyPattern(graph, false);
   AddStatis(found_count);
 }
 

paddle/fluid/framework/ir/layernorm_shift_partition_fuse_pass.h

@@ -37,6 +37,26 @@ namespace ir {
 //  reshape2
 //     |
 //  other_op
+//
+// or
+//
+//     |
+// layer_norm
+//     |
+//  reshape2
+//     |
+//    roll
+//     |
+//  reshape2                            |
+//     |           fuse       layernorm_shift_patition
+// transpose2       ->                  |
+//     |                             other_op
+//  reshape2
+//     |
+//  reshape2
+//     |
+//  other_op
+
 class LayerNormShiftPartitionFusePass : public FusePassBase {
  public:
   LayerNormShiftPartitionFusePass();
@@ -44,6 +64,7 @@ class LayerNormShiftPartitionFusePass : public FusePassBase {
 
  protected:
   void ApplyImpl(ir::Graph *graph) const override;
+  int ApplyPattern(ir::Graph *graph, bool with_roll) const;
 
  private:
   const std::string scope_name_{"layernorm_shift_partition_fuse"};

paddle/fluid/inference/api/paddle_pass_builder.cc

@@ -109,8 +109,8 @@ const std::vector<std::string> kTRTSubgraphPasses({
       "vit_attention_fuse_pass",              //
       "trt_skip_layernorm_fuse_pass",         //
       "preln_skip_layernorm_fuse_pass",       //
-      "preln_residual_bias_fuse_pass",        //
       "layernorm_shift_partition_fuse_pass",  //
+      "preln_residual_bias_fuse_pass",        //
       // "set_transformer_input_convert_pass",       //
       "conv_bn_fuse_pass",                           //
       "unsqueeze2_eltwise_fuse_pass",                //

paddle/fluid/inference/tensorrt/convert/layernorm_shift_partition_op.cc

@@ -40,11 +40,12 @@ class LayerNormShiftPartitionOpConverter : public OpConverter {
                           : 1e-5f;
     const int window_size =
         PADDLE_GET_CONST(int, op_desc.GetAttr("window_size"));
+    const int shift_size = PADDLE_GET_CONST(int, op_desc.GetAttr("shift_size"));
     const int input_resolution =
         PADDLE_GET_CONST(int, op_desc.GetAttr("input_resolution"));
     // int shift_size = window_size / 2;
     // shift_size = (input_resolution <= window_size) ? 0 : shift_size;
-    int shift_size = 0;
+    // int shift_size = 0;
 
     PADDLE_ENFORCE_NOT_NULL(
         Bias_v,

python/paddle/fluid/tests/unittests/ir/inference/test_layernorm_shift_partition_pass.py

@@ -14,6 +14,7 @@
 
 from auto_scan_test import PassAutoScanTest
 from program_config import TensorConfig, ProgramConfig, OpConfig
+import math
 import numpy as np
 import paddle.inference as paddle_infer
 from functools import partial
@@ -219,5 +220,215 @@ class TestLayernormShiftPartitionPass(PassAutoScanTest):
                             min_success_num=50)
 
 
+class TestLayernormShiftPartition2Pass(PassAutoScanTest):
+    """
+       |
+    layer_norm
+       |
+    reshape2
+       |
+      roll
+       |
+    reshape2
+       |
+    transpose2
+       |
+    reshape2
+       |
+    reshape2
+       |
+    """
+
+    def sample_predictor_configs(self, program_config):
+        # trt dynamic_shape
+        config = self.create_trt_inference_config()
+        config.enable_tensorrt_engine(
+            max_batch_size=1,
+            workspace_size=102400,
+            min_subgraph_size=0,
+            precision_mode=paddle_infer.PrecisionType.Float32,
+            use_static=False,
+            use_calib_mode=False)
+        config.set_trt_dynamic_shape_info({
+            "input_data": [1, 9, 96],
+        }, {
+            "input_data": [4, 3136, 768],
+        }, {
+            "input_data": [1, 784, 384],
+        })
+        yield config, ['layernorm_shift_partition'], (1e-5, 1e-5)
+
+        # trt dynamic_shape
+        config = self.create_trt_inference_config()
+        config.enable_tensorrt_engine(
+            max_batch_size=4,
+            workspace_size=102400,
+            min_subgraph_size=0,
+            precision_mode=paddle_infer.PrecisionType.Half,
+            use_static=False,
+            use_calib_mode=False)
+        config.set_trt_dynamic_shape_info({
+            "input_data": [1, 9, 96],
+        }, {
+            "input_data": [4, 3136, 768],
+        }, {
+            "input_data": [1, 784, 384],
+        })
+        yield config, ['layernorm_shift_partition'], (1e-3, 1e-3)
+
+    def sample_program_config(self, draw):
+        axis = [0, 1, 3, 2, 4, 5]
+        epsilon = draw(st.floats(min_value=0.0000001, max_value=0.001))
+        # begin_norm_axis has to be 2
+        begin_norm_axis = 2
+        batch_size = draw(st.integers(min_value=1, max_value=4))
+
+        window_size = draw(st.sampled_from([3, 5, 7]))
+        move_shape = draw(st.integers(min_value=1, max_value=8))
+        dim = draw(st.sampled_from([96, 192, 384, 768]))
+
+        def generate_input(attrs):
+            return np.random.random(
+                [attrs[1]["batch_size"],
+                 *attrs[1]["input_dim"]]).astype(np.float32)
+
+        def generate_weight(attrs):
+            return np.random.random(attrs[1]['input_dim'][-1]).astype(
+                np.float32)
+
+        attrs = [{
+            'begin_norm_axis': begin_norm_axis,
+            'epsilon': epsilon,
+        }, {
+            'batch_size': batch_size,
+            'input_dim': [(window_size * move_shape)**2, dim],
+        }, {
+            'axis': axis,
+            'input_resolution': window_size * move_shape,
+            'move_shape': move_shape,
+            'window_size': window_size,
+        }]
+
+        layer_norm_op = OpConfig(type="layer_norm",
+                                 inputs={
+                                     "X": ["input_data"],
+                                     "Bias": ["layer_norm_bias"],
+                                     "Scale": ["layer_norm_scale"]
+                                 },
+                                 outputs={
+                                     "Y": ["layer_norm_output1"],
+                                     "Mean": ["layer_norm_output2"],
+                                     "Variance": ["layer_norm_output3"]
+                                 },
+                                 attrs={
+                                     "begin_norm_axis":
+                                     attrs[0]["begin_norm_axis"],
+                                     "epsilon": attrs[0]["epsilon"],
+                                 })
+        reshape_op2 = OpConfig(type="reshape2",
+                               inputs={
+                                   "X": ["layer_norm_output1"],
+                               },
+                               outputs={
+                                   "Out": ["reshape_output2"],
+                                   "XShape": ["reshape_output2_xshape"],
+                               },
+                               attrs={
+                                   'shape': [
+                                       -1, attrs[2]["input_resolution"],
+                                       attrs[2]["input_resolution"],
+                                       attrs[1]["input_dim"][-1]
+                                   ]
+                               })
+        roll_op1 = OpConfig(type="roll",
+                            inputs={"X": ["reshape_output2"]},
+                            outputs={"Out": ["roll_output1"]},
+                            attrs={
+                                "axis": [1, 2],
+                                "shifts": [
+                                    -math.floor(
+                                        (attrs[2]["window_size"]) / 2.0),
+                                    -math.floor((attrs[2]["window_size"]) / 2.0)
+                                ]
+                            })
+        reshape_op3 = OpConfig(type="reshape2",
+                               inputs={
+                                   "X": ["roll_output1"],
+                               },
+                               outputs={
+                                   "Out": ["reshape_output3"],
+                                   "XShape": ["reshape_output3_xshape"],
+                               },
+                               attrs={
+                                   'shape': [
+                                       -1, attrs[2]["move_shape"],
+                                       attrs[2]["window_size"],
+                                       attrs[2]["move_shape"],
+                                       attrs[2]["window_size"],
+                                       attrs[1]["input_dim"][-1]
+                                   ]
+                               })
+        transpose_op4 = OpConfig(type='transpose2',
+                                 inputs={
+                                     "X": ["reshape_output3"],
+                                 },
+                                 outputs={"Out": ["transpose_output4"]},
+                                 attrs={"axis": attrs[2]['axis']})
+        reshape_op5 = OpConfig(type="reshape2",
+                               inputs={
+                                   "X": ["transpose_output4"],
+                               },
+                               outputs={
+                                   "Out": ["reshape_output5"],
+                                   "XShape": ["reshape_output5_xshape"],
+                               },
+                               attrs={
+                                   'shape': [
+                                       -1, attrs[2]["window_size"],
+                                       attrs[2]["window_size"],
+                                       attrs[1]["input_dim"][-1]
+                                   ]
+                               })
+        reshape_op6 = OpConfig(
+            type="reshape2",
+            inputs={
+                "X": ["reshape_output5"],
+            },
+            outputs={
+                "Out": ["reshape_output6"],
+                "XShape": ["reshape_output6_xshape"],
+            },
+            attrs={
+                'shape':
+                [-1, attrs[2]["window_size"]**2, attrs[1]["input_dim"][-1]]
+            })
+
+        program_config = ProgramConfig(
+            ops=[
+                layer_norm_op, reshape_op2, roll_op1, reshape_op3,
+                transpose_op4, reshape_op5, reshape_op6
+            ],
+            weights={
+                "layer_norm_bias":
+                TensorConfig(data_gen=partial(generate_weight, attrs)),
+                "layer_norm_scale":
+                TensorConfig(data_gen=partial(generate_weight, attrs))
+            },
+            inputs={
+                "input_data":
+                TensorConfig(data_gen=partial(generate_input, attrs)),
+            },
+            outputs=["reshape_output6"])
+
+        return program_config
+
+    def test(self):
+        self.run_and_statis(quant=False,
+                            max_examples=50,
+                            passes=["layernorm_shift_partition_fuse_pass"],
+                            max_duration=250,
+                            min_success_num=50)
+
+
 if __name__ == "__main__":
     unittest.main()