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new 59c426e520 [REFACTOR][RUNTIME] Phase out
include/tvm/runtime/threading_backend.h (#19469)
59c426e520 is described below
commit 59c426e520dd31e135d8c08bc918e40c711d205d
Author: Tianqi Chen <[email protected]>
AuthorDate: Wed Apr 29 13:00:01 2026 -0400
[REFACTOR][RUNTIME] Phase out include/tvm/runtime/threading_backend.h
(#19469)
## Summary
`include/tvm/runtime/threading_backend.h` has been in the public include
tree without
ever serving a public-API purpose. All consumers — five `.cc` files in
`src/runtime/`
and one C++ unit test — are entirely runtime-internal. Moving the header
to
`src/runtime/` to tigthen up access
---
src/runtime/contrib/random/mt_random_engine.cc | 1 -
src/runtime/contrib/random/random.cc | 1 -
src/runtime/thread_pool.cc | 3 ++-
src/runtime/threading_backend.cc | 3 ++-
{include/tvm => src}/runtime/threading_backend.h | 0
tests/cpp/threading_backend_test.cc | 3 ++-
6 files changed, 6 insertions(+), 5 deletions(-)
diff --git a/src/runtime/contrib/random/mt_random_engine.cc
b/src/runtime/contrib/random/mt_random_engine.cc
index 496986905c..506963df50 100644
--- a/src/runtime/contrib/random/mt_random_engine.cc
+++ b/src/runtime/contrib/random/mt_random_engine.cc
@@ -25,7 +25,6 @@
#include <tvm/runtime/device_api.h>
#include <tvm/runtime/logging.h>
#include <tvm/runtime/tensor.h>
-#include <tvm/runtime/threading_backend.h>
#include <algorithm>
#include <ctime>
diff --git a/src/runtime/contrib/random/random.cc
b/src/runtime/contrib/random/random.cc
index bee10a233c..1f3fdf869e 100644
--- a/src/runtime/contrib/random/random.cc
+++ b/src/runtime/contrib/random/random.cc
@@ -24,7 +24,6 @@
#include <tvm/ffi/reflection/registry.h>
#include <tvm/runtime/data_type.h>
#include <tvm/runtime/logging.h>
-#include <tvm/runtime/threading_backend.h>
#include <algorithm>
diff --git a/src/runtime/thread_pool.cc b/src/runtime/thread_pool.cc
index 292376ab8a..63eba5eba2 100644
--- a/src/runtime/thread_pool.cc
+++ b/src/runtime/thread_pool.cc
@@ -27,7 +27,8 @@
#include <tvm/runtime/base.h>
#include <tvm/runtime/c_backend_api.h>
#include <tvm/runtime/logging.h>
-#include <tvm/runtime/threading_backend.h>
+
+#include "threading_backend.h"
#if TVM_THREADPOOL_USE_OPENMP
#include <omp.h>
#endif
diff --git a/src/runtime/threading_backend.cc b/src/runtime/threading_backend.cc
index 549e6fb9dd..5924629776 100644
--- a/src/runtime/threading_backend.cc
+++ b/src/runtime/threading_backend.cc
@@ -21,11 +21,12 @@
* \file threading_backend.cc
* \brief Native threading backend
*/
+#include "threading_backend.h"
+
#include <tvm/ffi/container/shape.h>
#include <tvm/ffi/function.h>
#include <tvm/ffi/reflection/registry.h>
#include <tvm/runtime/logging.h>
-#include <tvm/runtime/threading_backend.h>
#if defined(__linux__) || defined(__ANDROID__)
#if __ANDROID_API__ >= 21
diff --git a/include/tvm/runtime/threading_backend.h
b/src/runtime/threading_backend.h
similarity index 100%
rename from include/tvm/runtime/threading_backend.h
rename to src/runtime/threading_backend.h
diff --git a/tests/cpp/threading_backend_test.cc
b/tests/cpp/threading_backend_test.cc
index 60149b0ac9..8c30aaeb1e 100644
--- a/tests/cpp/threading_backend_test.cc
+++ b/tests/cpp/threading_backend_test.cc
@@ -17,10 +17,11 @@
* under the License.
*/
+#include "../../src/runtime/threading_backend.h"
+
#include <gtest/gtest.h>
#include <tvm/runtime/c_backend_api.h>
#include <tvm/runtime/logging.h>
-#include <tvm/runtime/threading_backend.h>
#include <atomic>
#include <memory>
