chore: remove pre-cxx11 abi

.bazelrc

@@ -36,10 +36,6 @@ build:cxx11_abi --cxxopt="-D_GLIBCXX_USE_CXX11_ABI=1"
 build:cxx11_abi --linkopt="-D_GLIBCXX_USE_CXX11_ABI=1"
 build:cxx11_abi --define=abi=cxx11_abi
 
-build:pre_cxx11_abi --cxxopt="-D_GLIBCXX_USE_CXX11_ABI=0"
-build:pre_cxx11_abi --linkopt="-D_GLIBCXX_USE_CXX11_ABI=0"
-build:pre_cxx11_abi --define=abi=pre_cxx11_abi
-
 build:ci_testing --define=torchtrt_src=prebuilt --cxxopt="-DDISABLE_TEST_IN_CI" --action_env "NVIDIA_TF32_OVERRIDE=0"
 build:use_precompiled_torchtrt --define=torchtrt_src=prebuilt
 

.github/scripts/generate_binary_build_matrix.py

@@ -36,7 +36,6 @@
 }
 
 PACKAGE_TYPES = ["wheel", "conda", "libtorch"]
-PRE_CXX11_ABI = "pre-cxx11"
 CXX11_ABI = "cxx11-abi"
 RELEASE = "release"
 DEBUG = "debug"
@@ -141,39 +140,29 @@ def initialize_globals(channel: str, build_python_only: bool) -> None:
     else:
         PYTHON_ARCHES = PYTHON_ARCHES_DICT[channel]
     WHEEL_CONTAINER_IMAGES = {
-        "11.8": "pytorch/manylinux2_28-builder:cuda11.8",
-        "12.1": "pytorch/manylinux2_28-builder:cuda12.1",
-        "12.4": "pytorch/manylinux2_28-builder:cuda12.4",
-        "12.6": "pytorch/manylinux2_28-builder:cuda12.6",
-        "12.8": "pytorch/manylinux2_28-builder:cuda12.8",
+        **{
+            gpu_arch: f"pytorch/manylinux2_28-builder:cuda{gpu_arch}"
+            for gpu_arch in CUDA_ARCHES
+        },
         **{
             gpu_arch: f"pytorch/manylinux2_28-builder:rocm{gpu_arch}"
             for gpu_arch in ROCM_ARCHES
         },
         CPU: "pytorch/manylinux2_28-builder:cpu",
         XPU: "pytorch/manylinux2_28-builder:xpu",
-        # TODO: Migrate CUDA_AARCH64 image to manylinux2_28_aarch64-builder:cuda12.4
+        # TODO: Migrate CUDA_AARCH64 image to manylinux2_28_aarch64-builder:cuda12.6
         CPU_AARCH64: "pytorch/manylinux2_28_aarch64-builder:cpu-aarch64",
-        CUDA_AARCH64: "pytorch/manylinuxaarch64-builder:cuda12.4",
+        CUDA_AARCH64: "pytorch/manylinuxaarch64-builder:cuda12.6",
     }
     LIBTORCH_CONTAINER_IMAGES = {
-        **{
-            (gpu_arch, PRE_CXX11_ABI): f"pytorch/manylinux2_28-builder:cuda{gpu_arch}"
-            for gpu_arch in CUDA_ARCHES
-        },
         **{
             (gpu_arch, CXX11_ABI): f"pytorch/libtorch-cxx11-builder:cuda{gpu_arch}"
             for gpu_arch in CUDA_ARCHES
         },
-        **{
-            (gpu_arch, PRE_CXX11_ABI): f"pytorch/manylinux2_28-builder:rocm{gpu_arch}"
-            for gpu_arch in ROCM_ARCHES
-        },
         **{
             (gpu_arch, CXX11_ABI): f"pytorch/libtorch-cxx11-builder:rocm{gpu_arch}"
             for gpu_arch in ROCM_ARCHES
         },
-        (CPU, PRE_CXX11_ABI): "pytorch/manylinux2_28-builder:cpu",
         (CPU, CXX11_ABI): "pytorch/libtorch-cxx11-builder:cpu",
     }
 
@@ -344,7 +333,7 @@ def generate_libtorch_matrix(
         if os == WINDOWS:
             abi_versions = [RELEASE, DEBUG]
         elif os == LINUX:
-            abi_versions = [PRE_CXX11_ABI, CXX11_ABI]
+            abi_versions = [CXX11_ABI]
         elif os in [MACOS_ARM64]:
             abi_versions = [CXX11_ABI]
         else:

.github/workflows/docgen.yml

@@ -41,8 +41,6 @@ jobs:
               id: vars
               run: echo "sha=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
             - name: Build Python Package
-              env:
-                  USE_PRE_CXX11_ABI: 0
               run: |
                   python3 -m pip install --pre . --extra-index-url https://download.pytorch.org/whl/nightly/cu128
             - name: Generate New Docs

.github/workflows/release-linux.yml

@@ -96,8 +96,8 @@ jobs:
           echo "${MATRIX_BLOB}"
           echo "matrix=${MATRIX_BLOB}" >> "${GITHUB_OUTPUT}"
 
-  release-other-artifacts:
-    name: Release torch-tensorrt wheel and pre-cxx11 tarball artifacts
+  release-wheel-artifacts:
+    name: Release torch-tensorrt wheel artifacts
     needs: [generate-release-wheel-matrix]
     strategy:
       fail-fast: false

.github/workflows/release-wheel-linux.yml

@@ -204,10 +204,6 @@ jobs:
               release/tarball/libtorchtrt-${BUILD_VERSION}-tensorrt${TRT_VERSION}-cuda${CU_VERSION:2}-libtorch${PYTORCH_VERSION}-x86_64-linux.tar.gz
           else
               ${CONDA_RUN} python setup.py bdist_wheel --release
-
-              cp bazel-bin/libtorchtrt.tar.gz \
-              release/tarball/libtorchtrt-${BUILD_VERSION}-pre-cxx11-abi-tensorrt${TRT_VERSION}-cuda${CU_VERSION:2}-libtorch${PYTORCH_VERSION}-x86_64-linux.tar.gz
-
               ${CONDA_RUN} python -m pip install auditwheel
               ${CONDA_RUN} python -m auditwheel repair \
               $(cat py/ci/soname_excludes.params) \
@@ -240,13 +236,6 @@ jobs:
         with:
           name: ${{ env.ARTIFACT_NAME }}
           path: ${{ inputs.repository }}/release/wheel/
-      - name: Upload pre-cxx11 tarball to GitHub
-        if: ${{ inputs.cxx11-tarball-release != 'true' && env.PYTHON_VERSION == '3.11' }}
-        continue-on-error: true
-        uses: actions/upload-artifact@v4
-        with:
-          name: pre-cxx11-tarball-${{ env.PYTHON_VERSION }}-${{ env.CU_VERSION }}
-          path: ${{ inputs.repository }}/release/tarball/
       - name: Upload cxx11 tarball to GitHub
         if: ${{ inputs.cxx11-tarball-release == 'true' }}
         continue-on-error: true

CONTRIBUTING.md

@@ -75,7 +75,6 @@ Environment variables supported by nox
 ```
 PYT_PATH          - To use different PYTHONPATH than system installed Python packages
 TOP_DIR           - To set the root directory of the noxfile
-USE_PRE_CXX11     - To use pre_cxx11_abi (Defaults to 0)
 USE_HOST_DEPS     - To use host dependencies for tests (Defaults to 0)
 ```
 

MODULE.bazel

@@ -58,13 +58,6 @@ http_archive(
     urls = ["https://download.pytorch.org/libtorch/nightly/cu128/libtorch-cxx11-abi-shared-with-deps-latest.zip"],
 )
 
-http_archive(
-    name = "libtorch_pre_cxx11_abi",
-    build_file = "@//third_party/libtorch:BUILD",
-    strip_prefix = "libtorch",
-    urls = ["https://download.pytorch.org/libtorch/nightly/cu128/libtorch-shared-with-deps-latest.zip"],
-)
-
 http_archive(
     name = "libtorch_win",
     build_file = "@//third_party/libtorch:BUILD",
@@ -98,25 +91,14 @@ http_archive(
 # Locally installed dependencies (use in cases of custom dependencies or aarch64)
 ####################################################################################
 
-# NOTE: In the case you are using just the pre-cxx11-abi path or just the cxx11 abi path
-# with your local libtorch, just point deps at the same path to satisfy bazel.
-
-# NOTE: NVIDIA's aarch64 PyTorch (python) wheel file uses the CXX11 ABI unlike PyTorch's standard
-# x86_64 python distribution. If using NVIDIA's version just point to the root of the package
-# for both versions here and do not use --config=pre-cxx11-abi
+# NOTE: If you are using a local build of torch, just point the Libtorch dep to that path.
 
 #new_local_repository(
 #    name = "libtorch",
 #    path = "/usr/local/lib/python3.6/dist-packages/torch",
 #    build_file = "third_party/libtorch/BUILD"
 #)
 
-#new_local_repository(
-#    name = "libtorch_pre_cxx11_abi",
-#    path = "/usr/local/lib/python3.6/dist-packages/torch",
-#    build_file = "third_party/libtorch/BUILD"
-#)
-
 #new_local_repository(
 #   name = "tensorrt",
 #   path = "/usr/",

core/BUILD

@@ -3,13 +3,6 @@ load("@rules_pkg//:pkg.bzl", "pkg_tar")
 
 package(default_visibility = ["//visibility:public"])
 
-config_setting(
-    name = "use_pre_cxx11_abi",
-    values = {
-        "define": "abi=pre_cxx11_abi",
-    },
-)
-
 config_setting(
     name = "python_core",
     values = {
@@ -39,9 +32,14 @@ cc_library(
         "//core/runtime",
         "//core/util/logging",
     ] + select({
-        ":windows": ["@tensorrt_win//:nvinfer", "@libtorch_win//:libtorch"],
-        ":use_pre_cxx11_abi": ["@tensorrt//:nvinfer", "@libtorch_pre_cxx11_abi//:libtorch"],
-        "//conditions:default": ["@tensorrt//:nvinfer", "@libtorch"],
+        ":windows": [
+            "@libtorch_win//:libtorch",
+            "@tensorrt_win//:nvinfer",
+        ],
+        "//conditions:default": [
+            "@libtorch",
+            "@tensorrt//:nvinfer",
+        ],
     }),
     alwayslink = True,
 )

core/conversion/BUILD

@@ -3,13 +3,6 @@ load("@rules_pkg//:pkg.bzl", "pkg_tar")
 
 package(default_visibility = ["//visibility:public"])
 
-config_setting(
-    name = "use_pre_cxx11_abi",
-    values = {
-        "define": "abi=pre_cxx11_abi",
-    },
-)
-
 config_setting(
     name = "windows",
     constraint_values = [
@@ -34,9 +27,14 @@ cc_library(
         "//core/ir",
         "//core/util:prelude",
     ] + select({
-        ":windows": ["@tensorrt_win//:nvinfer", "@libtorch_win//:libtorch"],
-        ":use_pre_cxx11_abi": ["@tensorrt//:nvinfer", "@libtorch_pre_cxx11_abi//:libtorch"],
-        "//conditions:default": ["@tensorrt//:nvinfer", "@libtorch"],
+        ":windows": [
+            "@libtorch_win//:libtorch",
+            "@tensorrt_win//:nvinfer",
+        ],
+        "//conditions:default": [
+            "@libtorch",
+            "@tensorrt//:nvinfer",
+        ],
     }),
     alwayslink = True,
 )

core/conversion/conversionctx/BUILD

@@ -3,13 +3,6 @@ load("@rules_pkg//:pkg.bzl", "pkg_tar")
 
 package(default_visibility = ["//visibility:public"])
 
-config_setting(
-    name = "use_pre_cxx11_abi",
-    values = {
-        "define": "abi=pre_cxx11_abi",
-    },
-)
-
 config_setting(
     name = "windows",
     constraint_values = [
@@ -29,9 +22,14 @@ cc_library(
         "//core/ir",
         "//core/util:prelude",
     ] + select({
-        ":windows": ["@tensorrt_win//:nvinfer", "@libtorch_win//:libtorch"],
-        ":use_pre_cxx11_abi": ["@tensorrt//:nvinfer", "@libtorch_pre_cxx11_abi//:libtorch"],
-        "//conditions:default": ["@tensorrt//:nvinfer", "@libtorch"],
+        ":windows": [
+            "@libtorch_win//:libtorch",
+            "@tensorrt_win//:nvinfer",
+        ],
+        "//conditions:default": [
+            "@libtorch",
+            "@tensorrt//:nvinfer",
+        ],
     }),
     alwayslink = True,
 )

core/conversion/converters/BUILD

@@ -3,13 +3,6 @@ load("@rules_pkg//:pkg.bzl", "pkg_tar")
 
 package(default_visibility = ["//visibility:public"])
 
-config_setting(
-    name = "use_pre_cxx11_abi",
-    values = {
-        "define": "abi=pre_cxx11_abi",
-    },
-)
-
 config_setting(
     name = "windows",
     constraint_values = [
@@ -29,9 +22,14 @@ cc_library(
         "//core/conversion/conversionctx",
         "//core/util:prelude",
     ] + select({
-        ":windows": ["@tensorrt_win//:nvinfer", "@libtorch_win//:libtorch"],
-        ":use_pre_cxx11_abi": ["@tensorrt//:nvinfer", "@libtorch_pre_cxx11_abi//:libtorch"],
-        "//conditions:default": ["@tensorrt//:nvinfer", "@libtorch"],
+        ":windows": [
+            "@libtorch_win//:libtorch",
+            "@tensorrt_win//:nvinfer",
+        ],
+        "//conditions:default": [
+            "@libtorch",
+            "@tensorrt//:nvinfer",
+        ],
     }),
     alwayslink = True,
 )
@@ -49,9 +47,14 @@ cc_library(
         "//core/conversion/conversionctx",
         "//core/util:prelude",
     ] + select({
-        ":windows": ["@tensorrt_win//:nvinfer", "@libtorch_win//:libtorch"],
-        ":use_pre_cxx11_abi": ["@tensorrt//:nvinfer", "@libtorch_pre_cxx11_abi//:libtorch"],
-        "//conditions:default": ["@tensorrt//:nvinfer", "@libtorch"],
+        ":windows": [
+            "@libtorch_win//:libtorch",
+            "@tensorrt_win//:nvinfer",
+        ],
+        "//conditions:default": [
+            "@libtorch",
+            "@tensorrt//:nvinfer",
+        ],
     }),
     alwayslink = True,
 )
@@ -106,9 +109,14 @@ cc_library(
         "//core/plugins:torch_tensorrt_plugins",
         "//core/util:prelude",
     ] + select({
-        ":windows": ["@tensorrt_win//:nvinfer", "@libtorch_win//:libtorch"],
-        ":use_pre_cxx11_abi": ["@tensorrt//:nvinfer", "@libtorch_pre_cxx11_abi//:libtorch"],
-        "//conditions:default": ["@tensorrt//:nvinfer", "@libtorch"],
+        ":windows": [
+            "@libtorch_win//:libtorch",
+            "@tensorrt_win//:nvinfer",
+        ],
+        "//conditions:default": [
+            "@libtorch",
+            "@tensorrt//:nvinfer",
+        ],
     }),
     alwayslink = True,
 )

core/conversion/evaluators/BUILD

@@ -3,13 +3,6 @@ load("@rules_pkg//:pkg.bzl", "pkg_tar")
 
 package(default_visibility = ["//visibility:public"])
 
-config_setting(
-    name = "use_pre_cxx11_abi",
-    values = {
-        "define": "abi=pre_cxx11_abi",
-    },
-)
-
 config_setting(
     name = "windows",
     constraint_values = [
@@ -36,7 +29,6 @@ cc_library(
         "//core/util:prelude",
     ] + select({
         ":windows": ["@libtorch_win//:libtorch"],
-        ":use_pre_cxx11_abi": ["@libtorch_pre_cxx11_abi//:libtorch"],
         "//conditions:default": ["@libtorch"],
     }),
     alwayslink = True,

core/conversion/tensorcontainer/BUILD

@@ -3,13 +3,6 @@ load("@rules_pkg//:pkg.bzl", "pkg_tar")
 
 package(default_visibility = ["//visibility:public"])
 
-config_setting(
-    name = "use_pre_cxx11_abi",
-    values = {
-        "define": "abi=pre_cxx11_abi",
-    },
-)
-
 config_setting(
     name = "windows",
     constraint_values = [
@@ -28,9 +21,14 @@ cc_library(
     deps = [
         "//core/util:prelude",
     ] + select({
-        ":windows": ["@tensorrt_win//:nvinfer", "@libtorch_win//:libtorch"],
-        ":use_pre_cxx11_abi": ["@tensorrt//:nvinfer", "@libtorch_pre_cxx11_abi//:libtorch"],
-        "//conditions:default": ["@tensorrt//:nvinfer", "@libtorch"],
+        ":windows": [
+            "@libtorch_win//:libtorch",
+            "@tensorrt_win//:nvinfer",
+        ],
+        "//conditions:default": [
+            "@libtorch",
+            "@tensorrt//:nvinfer",
+        ],
     }),
     alwayslink = True,
 )