[xpu] fix gather and cast unittests (#4396)

lite/tests/kernels/cast_compute_test.cc

@@ -130,7 +130,6 @@ void TestCast(Place place, float abs_error, int in_dtype, int out_dtype) {
 }
 
 TEST(Cast, precision) {
-  LOG(INFO) << "test cast op";
   Place place;
   float abs_error = 2e-5;
 #if defined(LITE_WITH_ARM)
@@ -150,7 +149,7 @@ TEST(Cast, precision) {
   TestCast(place, abs_error, 20, 5);
 #endif
   TestCast(place, abs_error, 2, 5);
-#if defined(LITE_WITH_XPU) || defined(LITE_WITH_HUAWEI_ASCEND_NPU)
+#if defined(LITE_WITH_HUAWEI_ASCEND_NPU)
   TestCast(place, abs_error, 3, 5);
   TestCast(place, abs_error, 5, 3);
 #endif

lite/tests/kernels/gather_compute_test.cc

@@ -21,6 +21,7 @@
 namespace paddle {
 namespace lite {
 
+template <class T = float, class R = int64_t>
 class GatherComputeTest : public arena::TestCase {
  protected:
   // common attributes for this op.
@@ -53,9 +54,9 @@ class GatherComputeTest : public arena::TestCase {
     out_dims[0] = batch_size;
     out->Resize(out_dims);
 
-    auto x_data = x->data<int64_t>();
-    auto index_data = index->data<int64_t>();
-    auto out_data = out->mutable_data<int64_t>();
+    auto x_data = x->template data<T>();
+    auto index_data = index->template data<R>();
+    auto out_data = out->template mutable_data<T>();
 
     auto slice_num = x_dims[0];
     auto slice_size = x_dims.Slice(1, x_dims.size()).production();
@@ -66,7 +67,7 @@ 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(int64_t));
+             slice_size * sizeof(T));
     }
   }
 
@@ -78,11 +79,12 @@ class GatherComputeTest : public arena::TestCase {
   }
 
   void PrepareData() override {
-    std::vector<int64_t> x(x_dims_.production());
-    fill_data_rand(x.data(), int64_t(-1), int64_t(1), x_dims_.production());
+    std::vector<T> x(x_dims_.production());
+    fill_data_rand(
+        x.data(), static_cast<T>(-1), static_cast<T>(1), x_dims_.production());
 
-    std::vector<int64_t> index(index_dims_.production());
-    fill_data_rand<int64_t>(
+    std::vector<R> index(index_dims_.production());
+    fill_data_rand<R>(
         index.data(), 0, x_dims_[0] - 1, index_dims_.production());
 
     SetCommonTensor(x_, x_dims_, x.data());
@@ -90,8 +92,20 @@ class GatherComputeTest : public arena::TestCase {
   }
 };
 
+template <class T = float, class R = int64_t>
+void TestGather(const std::vector<int64_t>& x_dims,
+                const std::vector<int64_t>& index_dims,
+                Place place,
+                float abs_error = 1e-5,
+                const std::string& alias = "def") {
+  std::unique_ptr<arena::TestCase> tester(new GatherComputeTest<T, R>(
+      place, alias, DDim(x_dims), DDim(index_dims)));
+  arena::Arena arena(std::move(tester), place, abs_error);
+  arena.TestPrecision();
+}
+
 TEST(Gather, precision) {
-  float abs_error = 2e-5;
+  float abs_error = 1e-5;
   Place place;
 #if defined(LITE_WITH_NPU)
   place = TARGET(kNPU);
@@ -110,10 +124,14 @@ 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, "int64", DDim(x_dims), DDim(index_dims)));
-      arena::Arena arena(std::move(tester), place, abs_error);
-      arena.TestPrecision();
+#if defined(LITE_WITH_XPU) || defined(LITE_WITH_NPU)
+      TestGather<float, int>(x_dims, index_dims, place, abs_error, "def");
+#else
+      TestGather<float, int64_t>(x_dims, index_dims, place, abs_error, "int64");
+      TestGather<int64_t, int64_t>(
+          x_dims, index_dims, place, abs_error, "int64");
+      TestGather<float, int>(x_dims, index_dims, place, abs_error, "int32");
+#endif
     }
   }
 }