[cherry-pick] [ARM] Add int64 implement for `gather` and `greater_than` (#4444)

lite/kernels/arm/gather_compute.cc

@@ -73,10 +73,10 @@ void GatherCompute<IndexType>::Run() {
 
 REGISTER_LITE_KERNEL(gather,
                      kARM,
-                     kAny,
+                     kFloat,
                      kNCHW,
                      paddle::lite::kernels::arm::GatherCompute<int32_t>,
-                     def)
+                     int32)
     .BindInput("X", {LiteType::GetTensorTy(TARGET(kARM), PRECISION(kAny))})
     .BindInput("Index",
                {LiteType::GetTensorTy(TARGET(kARM), PRECISION(kInt32))})
@@ -85,10 +85,10 @@ REGISTER_LITE_KERNEL(gather,
 
 REGISTER_LITE_KERNEL(gather,
                      kARM,
-                     kAny,
+                     kFloat,
                      kNCHW,
                      paddle::lite::kernels::arm::GatherCompute<int64_t>,
-                     def_int64_idx)
+                     int64)
     .BindInput("X", {LiteType::GetTensorTy(TARGET(kARM), PRECISION(kAny))})
     .BindInput("Index",
                {LiteType::GetTensorTy(TARGET(kARM), PRECISION(kInt64))})

lite/kernels/arm/gather_compute.h

@@ -24,7 +24,7 @@ namespace kernels {
 namespace arm {
 
 template <typename IndexType>
-class GatherCompute : public KernelLite<TARGET(kARM), PRECISION(kAny)> {
+class GatherCompute : public KernelLite<TARGET(kARM), PRECISION(kFloat)> {
  public:
   void Run() override;
 

lite/kernels/host/compare_compute.cc

@@ -230,6 +230,21 @@ REGISTER_LITE_KERNEL(greater_than, kHost, kFloat, kAny, greater_than_float, def)
                     TARGET(kHost), PRECISION(kBool), DATALAYOUT(kAny), -1)})
     .Finalize();
 
+using greater_than_int64 = paddle::lite::kernels::host::CompareCompute<
+    PRECISION(kInt64),
+    paddle::lite::kernels::host::_GreaterThanFunctor<int64_t>>;
+REGISTER_LITE_KERNEL(greater_than, kHost, kInt64, kAny, greater_than_int64, def)
+    .BindInput("X",
+               {LiteType::GetTensorTy(
+                   TARGET(kHost), PRECISION(kInt64), DATALAYOUT(kAny), -1)})
+    .BindInput("Y",
+               {LiteType::GetTensorTy(
+                   TARGET(kHost), PRECISION(kInt64), DATALAYOUT(kAny), -1)})
+    .BindOutput("Out",
+                {LiteType::GetTensorTy(
+                    TARGET(kHost), PRECISION(kBool), DATALAYOUT(kAny), -1)})
+    .Finalize();
+
 using greater_equal_float = paddle::lite::kernels::host::CompareCompute<
     PRECISION(kFloat),
     paddle::lite::kernels::host::_GreaterEqualFunctor<float>>;
@@ -245,3 +260,19 @@ REGISTER_LITE_KERNEL(
                 {LiteType::GetTensorTy(
                     TARGET(kHost), PRECISION(kBool), DATALAYOUT(kAny), -1)})
     .Finalize();
+
+using greater_equal_int64 = paddle::lite::kernels::host::CompareCompute<
+    PRECISION(kInt64),
+    paddle::lite::kernels::host::_GreaterEqualFunctor<int64_t>>;
+REGISTER_LITE_KERNEL(
+    greater_equal, kHost, kInt64, kAny, greater_equal_float, def)
+    .BindInput("X",
+               {LiteType::GetTensorTy(
+                   TARGET(kHost), PRECISION(kInt64), DATALAYOUT(kAny), -1)})
+    .BindInput("Y",
+               {LiteType::GetTensorTy(
+                   TARGET(kHost), PRECISION(kInt64), DATALAYOUT(kAny), -1)})
+    .BindOutput("Out",
+                {LiteType::GetTensorTy(
+                    TARGET(kHost), PRECISION(kBool), DATALAYOUT(kAny), -1)})
+    .Finalize();

lite/tests/kernels/gather_compute_test.cc

@@ -53,9 +53,9 @@ class GatherComputeTest : public arena::TestCase {
     out_dims[0] = batch_size;
     out->Resize(out_dims);
 
-    auto x_data = x->data<float>();
-    auto index_data = index->data<int>();
-    auto out_data = out->mutable_data<float>();
+    auto x_data = x->data<int64_t>();
+    auto index_data = index->data<int64_t>();
+    auto out_data = out->mutable_data<int64_t>();
 
     auto slice_num = x_dims[0];
     auto slice_size = x_dims.Slice(1, x_dims.size()).production();
@@ -66,7 +66,7 @@ class GatherComputeTest : public arena::TestCase {
       CHECK_GE(index, 0) << "gather ids[i] expected >= 0 but got " << index;
       memcpy(out_data + i * slice_size,
              x_data + index * slice_size,
-             slice_size * sizeof(float));
+             slice_size * sizeof(int64_t));
     }
   }
 
@@ -78,11 +78,11 @@ class GatherComputeTest : public arena::TestCase {
   }
 
   void PrepareData() override {
-    std::vector<float> x(x_dims_.production());
-    fill_data_rand(x.data(), -1.f, 1.f, x_dims_.production());
+    std::vector<int64_t> x(x_dims_.production());
+    fill_data_rand(x.data(), int64_t(-1), int64_t(1), x_dims_.production());
 
-    std::vector<int32_t> index(index_dims_.production());
-    fill_data_rand<int32_t>(
+    std::vector<int64_t> index(index_dims_.production());
+    fill_data_rand<int64_t>(
         index.data(), 0, x_dims_[0] - 1, index_dims_.production());
 
     SetCommonTensor(x_, x_dims_, x.data());
@@ -110,8 +110,8 @@ TEST(Gather, precision) {
   for (auto x_dims :
        std::vector<std::vector<int64_t>>{{5, 2, 3, 4}, {8, 3, 5}, {12, 3}}) {
     for (auto index_dims : std::vector<std::vector<int64_t>>{{3}, {7}, {10}}) {
-      std::unique_ptr<arena::TestCase> tester(
-          new GatherComputeTest(place, "def", DDim(x_dims), DDim(index_dims)));
+      std::unique_ptr<arena::TestCase> tester(new GatherComputeTest(
+          place, "int64", DDim(x_dims), DDim(index_dims)));
       arena::Arena arena(std::move(tester), place, abs_error);
       arena.TestPrecision();
     }