fix: add at::adaptive_avg_pool1d in interpolate plugin and fix #791

Signed-off-by: Ruoqian Guo <[email protected]>

Author: ruoqianguo

core/conversion/converters/impl/pooling.cpp

@@ -37,7 +37,7 @@ bool AdaptivePoolingConverter(
     ConversionCtx* ctx,
     const torch::jit::Node* n,
     args& args,
-    nvinfer1::PoolingType pool_type) {
+    nvinfer1::PoolingType pool_type, const std::string& mode) {
   auto in = args[0].ITensorOrFreeze(ctx);
   auto out_size = util::toDims(args[1].unwrapToIntList());
 
@@ -48,15 +48,7 @@ bool AdaptivePoolingConverter(
   }
 
   auto orig_dims = in->getDimensions();
-  bool expandDims = (orig_dims.nbDims < 4);
-  TORCHTRT_CHECK(orig_dims.nbDims > 2, "Unable to create pooling layer from node: " << *n);
-  if (expandDims) {
-    in = addPadding(ctx, n, in, 4, false, false);
-  }
-
-  if (out_size.nbDims == 1) {
-    out_size = util::unsqueezeDims(out_size, 0, 1);
-  }
+  TORCHTRT_CHECK(orig_dims.nbDims > 1, "Unable to create pooling layer from node: " << *n);
 
   auto in_shape = util::toVec(in->getDimensions());
   nvinfer1::ILayer* new_layer = nullptr;
@@ -90,10 +82,6 @@ bool AdaptivePoolingConverter(
   int32_t use_scales_casted = 0;
   f.emplace_back(nvinfer1::PluginField("use_scales", &use_scales_casted, nvinfer1::PluginFieldType::kINT32, 1));
 
-  std::string mode = "adaptive_avg_pool2d";
-  if (pool_type == nvinfer1::PoolingType::kMAX) {
-    mode = "adaptive_max_pool2d";
-  }
   f.emplace_back(nvinfer1::PluginField("mode", &mode, nvinfer1::PluginFieldType::kCHAR, 1));
 
   fc.nbFields = f.size();
@@ -110,7 +98,7 @@ bool AdaptivePoolingConverter(
   TORCHTRT_CHECK(new_layer, "Unable to create pooling (interpolation) plugin from node" << *n);
 
   new_layer->setName(util::node_info(n).c_str());
-  auto layer_output = addUnpadding(ctx, n, new_layer->getOutput(0), orig_dims.nbDims, false, false);
+  auto layer_output = new_layer->getOutput(0);
 
   ctx->AssociateValueAndTensor(n->outputs()[0], layer_output);
   LOG_DEBUG("Output tensor shape: " << layer_output->getDimensions());
@@ -238,15 +226,15 @@ auto pooling_registrations TORCHTRT_UNUSED =
              }})
         .pattern({"aten::adaptive_avg_pool1d(Tensor self, int[1] output_size) -> (Tensor)",
                   [](ConversionCtx* ctx, const torch::jit::Node* n, args& args) -> bool {
-                    return AdaptivePoolingConverter(ctx, n, args, nvinfer1::PoolingType::kAVERAGE);
+                    return AdaptivePoolingConverter(ctx, n, args, nvinfer1::PoolingType::kAVERAGE, "adaptive_avg_pool1d");
                   }})
         .pattern({"aten::adaptive_avg_pool2d(Tensor self, int[2] output_size) -> (Tensor)",
                   [](ConversionCtx* ctx, const torch::jit::Node* n, args& args) -> bool {
-                    return AdaptivePoolingConverter(ctx, n, args, nvinfer1::PoolingType::kAVERAGE);
+                    return AdaptivePoolingConverter(ctx, n, args, nvinfer1::PoolingType::kAVERAGE, "adaptive_avg_pool2d");
                   }})
         .pattern({"aten::adaptive_max_pool2d(Tensor self, int[2] output_size) -> (Tensor, Tensor)",
                   [](ConversionCtx* ctx, const torch::jit::Node* n, args& args) -> bool {
-                    return AdaptivePoolingConverter(ctx, n, args, nvinfer1::PoolingType::kMAX);
+                    return AdaptivePoolingConverter(ctx, n, args, nvinfer1::PoolingType::kMAX, "adaptive_max_pool2d");
                   }});
 } // namespace
 } // namespace impl

core/plugins/impl/interpolate_plugin.cpp

@@ -289,6 +289,8 @@ int InterpolatePlugin::enqueue(
       out = at::upsample_bilinear2d(input, {size_[0], size_[1]}, align_corners_);
     } else if (mode_ == "trilinear") {
       out = at::upsample_trilinear3d(input, {size_[0], size_[1], size_[2]}, align_corners_);
+    } else if(mode_ == "adaptive_avg_pool1d"){
+      out = at::adaptive_avg_pool1d(input, {size_[0]});
     } else if (mode_ == "adaptive_avg_pool2d") {
       out = at::adaptive_avg_pool2d(input, {size_[0], size_[1]});
     } else if (mode_ == "adaptive_max_pool2d") {

tests/core/conversion/converters/test_pooling.cpp

@@ -540,6 +540,32 @@ TEST(Converters, ATenAdaptiveAvgPool1DGlobalPoolingConvertsCorrectly) {
   ASSERT_TRUE(torch_tensorrt::tests::util::almostEqual(jit_results[0], trt_results[0], 2e-6));
 }
 
+TEST(Converters, ATenAdaptiveAvgPool1DUsingPluginConvertsCorrectly) {
+  const auto graph =
+      R"IR(
+      graph(%0 : Tensor):
+        %2 : int = prim::Constant[value=3]()
+        %6 : int[] = prim::ListConstruct(%2)
+        %10 : Tensor = aten::adaptive_avg_pool1d(%0, %6)
+        return (%10))IR";
+
+  auto g = std::make_shared<torch::jit::Graph>();
+  torch::jit::parseIR(graph, g.get());
+
+  // PyTorch adaptive_avg_pool1d needs a 3D input or a 2D input
+  auto in = at::randint(-5, 5, {1, 3, 16}, at::kCUDA);
+
+  auto jit_in = at::clone(in);
+  auto params = torch_tensorrt::core::ir::get_static_params(g->inputs(), {});
+  auto jit_results = torch_tensorrt::tests::util::RunGraph(g, params, {jit_in});
+
+  auto trt_in = at::clone(in);
+  params = torch_tensorrt::core::ir::get_static_params(g->inputs(), {});
+  auto trt_results = torch_tensorrt::tests::util::RunGraphEngine(g, params, {trt_in});
+
+  ASSERT_TRUE(torch_tensorrt::tests::util::almostEqual(jit_results[0], trt_results[0], 2e-6));
+}
+
 TEST(Converters, ATenAdaptiveMaxPool2DConvertsCorrectly) {
   const auto graph = R"IR(
       graph(%0 : Tensor):