xref: /aosp_15_r20/external/executorch/codegen/templates/RegisterCodegenUnboxedKernels.cpp (revision 523fa7a60841cd1ecfb9cc4201f1ca8b03ed023a)
1 /*
2  * Copyright (c) Meta Platforms, Inc. and affiliates.
3  * All rights reserved.
4  *
5  * This source code is licensed under the BSD-style license found in the
6  * LICENSE file in the root directory of this source tree.
7  */
8 
9 #include <executorch/runtime/core/evalue.h>
10 #include <executorch/runtime/core/exec_aten/exec_aten.h>
11 #include <executorch/runtime/core/span.h>
12 #include <executorch/runtime/kernel/operator_registry.h>
13 #include <executorch/runtime/platform/profiler.h>
14 #include "${fn_header}" // Generated Function import headers
15 // ${generated_comment}
16 
17 // NOTE [Sharded File]: This file is generated in a sharded fashion to speed up
18 // incremental rebuilds. See the comment at the top of
19 // templates/VariableType.cpp for an analogous, in-depth discussion.
20 //
21 // Generated by tools/jit/gen_unboxing.py. This file registers all ATen ops into
22 // JIT op registry instead of c10 dispatcher. JIT op registry only takes boxed
23 // kernels, so we are calling unboxing functions in UnboxingFunctions.h to cast
24 // arguments into C++ types (instead of IValue) and delegate to unboxed kernels.
25 using KernelSpan =
26     ::executorch::runtime::Span<const ::executorch::runtime::Kernel>;
27 namespace torch {
28 namespace executor {
29 namespace function {
30 namespace {
31 
32 static Kernel kernels_to_register[] = {
33     ${unboxed_kernels} // Generated kernels
34 };
35 
36 // Explicitly convert to Span, so that the API can take an empty C array of
37 // Kernels.
38 static KernelSpan kernel_span(
39     kernels_to_register,
40     kernels_to_register + sizeof(kernels_to_register) / sizeof(Kernel));
41 
42 // Return value not used. Keep the static variable assignment to register
43 // kernels in static initialization time.
44 static auto success_with_kernel_reg = register_kernels(kernel_span);
45 } // namespace
46 } // namespace function
47 } // namespace executor
48 } // namespace torch
49