Implement SigmoidFocalLoss operation

docs/reference/index.rst

@@ -35,3 +35,4 @@ The MIOpen API library is structured as follows:
   * :doc:`ReduceExtreme <../doxygen/html/group__ReduceExtreme>` (experimental)
   * :doc:`Getitem <../doxygen/html/group__getitem>` (experimental)
   * :doc:`ReduceCalculation <../doxygen/html/group__ReduceCalculation>` (experimental)
+  * :doc:`SigmoidFocalLoss <../doxygen/html/group__loss_function>` (experimental)

driver/CMakeLists.txt

@@ -52,6 +52,7 @@ add_executable(MIOpenDriver
     dm_reduceextreme.cpp
     dm_reducecalculation.cpp
     dm_rnn.cpp
+    dm_sigmoid_focal_loss.cpp
     dm_softmax.cpp
     dm_t5layernorm.cpp
     dm_tensorop.cpp

driver/dm_sigmoid_focal_loss.cpp

@@ -0,0 +1,41 @@
+/*******************************************************************************
+ *
+ * MIT License
+ *
+ * Copyright (c) 2024 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ *******************************************************************************/
+
+#include "registry_driver_maker.hpp"
+#include "sigmoid_focal_loss_driver.hpp"
+
+static Driver* makeDriver(const std::string& base_arg)
+{
+    if(base_arg == "sigmoidfocalloss")
+        return new SigmoidFocalLossDriver<float, float>();
+    else if(base_arg == "sigmoidfocallossfp16")
+        return new SigmoidFocalLossDriver<float16, float>();
+    else if(base_arg == "sigmoidfocallossbfp16")
+        return new SigmoidFocalLossDriver<bfloat16, float>();
+    return nullptr;
+}
+
+REGISTER_DRIVER_MAKER(makeDriver);

driver/driver.hpp

@@ -175,7 +175,8 @@ inline void PadBufferSize(size_t& sz, int datatype_sz)
            "groupnorm[bfp16|fp16], cat[bfp16|fp16], addlayernorm[bfp16|fp16], "
            "t5layernorm[bfp16|fp16], adam[fp16], ampadam, reduceextreme[bfp16|fp16], "
            "adamw[fp16], ampadamw, transformersadamw[fp16], transformersampadamw, "
-           "getitem[bfp16|fp16], reducecalculation[bfp16|fp16]\n");
+           "getitem[bfp16|fp16], reducecalculation[bfp16|fp16], "
+           "sigmoidfocalloss[bfp16|fp16]\n");
     exit(0); // NOLINT (concurrency-mt-unsafe)
 }
 
@@ -206,7 +207,9 @@ inline std::string ParseBaseArg(int argc, char* argv[])
        arg != "adamwfp16" && arg != "ampadamw" && arg != "transformersadamw" &&
        arg != "transformersadamwfp16" && arg != "transformersampadamw" && arg != "getitem" &&
        arg != "getitemfp16" && arg != "getitembfp16" && arg != "reducecalculation" &&
-       arg != "reducecalculationfp16" && arg != "reducecalculationbfp16" && arg != "--version")
+       arg != "reducecalculationfp16" && arg != "reducecalculationbfp16" &&
+       arg != "sigmoidfocalloss" && arg != "sigmoidfocallossfp16" &&
+       arg != "sigmoidfocallossbfp16" && arg != "--version")
     {
         printf("FAILED: Invalid Base Input Argument\n");
         Usage();