diff --git a/README.md b/README.md
index 773ebc81..1692c717 100644
--- a/README.md
+++ b/README.md
@@ -314,12 +314,12 @@ bash prerequisite.sh
 
 ```bash
 cd megatron/shm_tensor_new_rdma
-pip install -e .
+pip install -e . --no-build-isolation
 ```
 
 ```bash
 cd megatron/shm_tensor_new_rdma_pre_alloc
-pip install -e .
+pip install -e . --no-build-isolation
 ```
 
 ### Run
diff --git a/megatron/core/dist_checkpointing/strategies/filesystem_async.py b/megatron/core/dist_checkpointing/strategies/filesystem_async.py
index 967856d9..97871b45 100644
--- a/megatron/core/dist_checkpointing/strategies/filesystem_async.py
+++ b/megatron/core/dist_checkpointing/strategies/filesystem_async.py
@@ -313,18 +313,23 @@ def write_preloaded_data(
         mem_before = _process_memory()
 
         local_results = []
+        extra_kwargs = {}
         try:
+            import inspect
+            if "serialization_format" in inspect.signature(_write_item).parameters:
+                from torch.distributed.checkpoint.filesystem import SerializationFormat
+                extra_kwargs["serialization_format"] = SerializationFormat.TORCH_SAVE
             file_name, storage_key, (bytes_data, tensor_data) = write_bucket
             with open(file_name, "wb") as stream:
                 for write_item, data in bytes_data:
                     local_results.append(
-                        _write_item(*transform_list, stream, data, write_item, storage_key)
+                        _write_item(*transform_list, stream, data, write_item, storage_key, **extra_kwargs)
                     )
 
                 for write_item, tensor in tensor_data:
                     assert tensor.is_cpu
                     local_results.append(
-                        _write_item(*transform_list, stream, tensor, write_item, storage_key)
+                        _write_item(*transform_list, stream, tensor, write_item, storage_key, **extra_kwargs)
                     )
 
                 if use_fsync:
diff --git a/megatron/shm_tensor_new_rdma/setup.py b/megatron/shm_tensor_new_rdma/setup.py
index 1f33546a..2316bc53 100644
--- a/megatron/shm_tensor_new_rdma/setup.py
+++ b/megatron/shm_tensor_new_rdma/setup.py
@@ -1,5 +1,26 @@
 from setuptools import setup
 from torch.utils.cpp_extension import CppExtension, BuildExtension, include_paths
+import torch
+
+abi_flag = getattr(torch._C, "_GLIBCXX_USE_CXX11_ABI", None)
+if abi_flag is None:
+    abi_flag = 1
+
+abi_macro = f"-D_GLIBCXX_USE_CXX11_ABI={int(abi_flag)}"
+
+common_extra_compile_args = [
+    "-fPIC",
+    "-std=c++17",
+    abi_macro,
+    "-I/usr/local/cuda/include",
+]
+
+common_extra_link_args = [
+    "-Wl,-rpath,$ORIGIN",
+    "-L/usr/local/cuda/lib64",
+    "-lcudart",
+]
+
 
 setup(
     name="shm_tensor_new_rdma",
@@ -9,19 +30,18 @@
             sources=["shm_tensor_new_rdma.cpp"],
             include_dirs=include_paths(),
             libraries=["rdmacm", "ibverbs", "torch", "torch_python", "c10"],
-            extra_compile_args=[
-                "-fPIC",
-                "-std=c++17",
-                "-D_GLIBCXX_USE_CXX11_ABI=0",
-                "-I/usr/local/cuda/include",
-            ],
-            extra_link_args=[
-                "-Wl,-rpath,$ORIGIN",
-                "-L/usr/local/cuda/lib64",
-                "-lcudart",
-            ],
-        )
+            extra_compile_args=common_extra_compile_args,
+            extra_link_args=common_extra_link_args,
+        ),
+        CppExtension(
+            name="shm_tensor_new_rdma_pre_alloc",
+            sources=["shm_tensor_new_rdma_pre_alloc.cpp"],
+            include_dirs=include_paths(),
+            libraries=["rdmacm", "ibverbs", "torch", "torch_python", "c10"],
+            extra_compile_args=common_extra_compile_args,
+            extra_link_args=common_extra_link_args,
+        ),
     ],
     cmdclass={"build_ext": BuildExtension},
     packages=[],
-)
\ No newline at end of file
+)
diff --git a/megatron/shm_tensor_new_rdma_pre_alloc/setup.py b/megatron/shm_tensor_new_rdma_pre_alloc/setup.py
index d18b8c0b..d764992e 100644
--- a/megatron/shm_tensor_new_rdma_pre_alloc/setup.py
+++ b/megatron/shm_tensor_new_rdma_pre_alloc/setup.py
@@ -14,27 +14,47 @@
 
 from setuptools import setup
 from torch.utils.cpp_extension import CppExtension, BuildExtension, include_paths
+import torch
+
+abi_flag = getattr(torch._C, "_GLIBCXX_USE_CXX11_ABI", None)
+if abi_flag is None:
+    abi_flag = 1
+
+abi_macro = f"-D_GLIBCXX_USE_CXX11_ABI={int(abi_flag)}"
+
+common_extra_compile_args = [
+    "-fPIC",
+    "-std=c++17",
+    abi_macro,
+    "-I/usr/local/cuda/include",
+]
+
+common_extra_link_args = [
+    "-Wl,-rpath,$ORIGIN",
+    "-L/usr/local/cuda/lib64",
+    "-lcudart",
+]
+
 
 setup(
-    name="shm_tensor_new_rdma_pre_alloc",
+    name="shm_tensor_new_rdma",
     ext_modules=[
+        CppExtension(
+            name="shm_tensor_new_rdma",
+            sources=["shm_tensor_new_rdma.cpp"],
+            include_dirs=include_paths(),
+            libraries=["rdmacm", "ibverbs", "torch", "torch_python", "c10"],
+            extra_compile_args=common_extra_compile_args,
+            extra_link_args=common_extra_link_args,
+        ),
         CppExtension(
             name="shm_tensor_new_rdma_pre_alloc",
             sources=["shm_tensor_new_rdma_pre_alloc.cpp"],
             include_dirs=include_paths(),
             libraries=["rdmacm", "ibverbs", "torch", "torch_python", "c10"],
-            extra_compile_args=[
-                "-fPIC",
-                "-std=c++20",
-                "-D_GLIBCXX_USE_CXX11_ABI=0",
-                "-I/usr/local/cuda/include",
-            ],
-            extra_link_args=[
-                "-Wl,-rpath,$ORIGIN",
-                "-L/usr/local/cuda/lib64",
-                "-lcudart",
-            ],
-        )
+            extra_compile_args=common_extra_compile_args,
+            extra_link_args=common_extra_link_args,
+        ),
     ],
     cmdclass={"build_ext": BuildExtension},
     packages=[],