diff --git a/third_party/hwloc/hwloc.BUILD b/third_party/hwloc/hwloc.BUILD
index b4c59905f5021..1d83c4b1fecda 100644
--- a/third_party/hwloc/hwloc.BUILD
+++ b/third_party/hwloc/hwloc.BUILD
@@ -302,7 +302,9 @@ cc_library(
         "include/hwloc/memattrs.h",
         "include/hwloc/rename.h",
     ],
-    copts = COMMON_INCLUDE_COPTS + DISABLE_WARNINGS_COPTS + VAR_SETTINGS_COPTS,
+    copts = COMMON_INCLUDE_COPTS + DISABLE_WARNINGS_COPTS + VAR_SETTINGS_COPTS + [
+        "-fvisibility=hidden",
+    ],
     features = [
         "-parse_headers",
         "-layering_check",
diff --git a/xla/backends/gpu/autotuner/BUILD b/xla/backends/gpu/autotuner/BUILD
index d1489acac7dbd..5cd3875effdc0 100644
--- a/xla/backends/gpu/autotuner/BUILD
+++ b/xla/backends/gpu/autotuner/BUILD
@@ -405,7 +405,6 @@ cc_library(
         "//xla/service/gpu:matmul_utils",
         "//xla/service/gpu/model:triton_emitter_constraints",
         "//xla/stream_executor:device_description",
-        "//xla/stream_executor:stream_executor_h",
         "//xla/stream_executor/cuda:cuda_compute_capability",
         "//xla/tsl/platform:env",
         "//xla/tsl/platform:errors",
@@ -416,6 +415,7 @@ cc_library(
         "@com_google_absl//absl/status",
         "@com_google_absl//absl/status:statusor",
         "@com_google_absl//absl/strings",
+        "@com_google_protobuf//:any_cc_proto",
         "@com_google_protobuf//:protobuf",
         "@llvm-project//mlir:IR",
     ],
diff --git a/xla/backends/gpu/autotuner/triton.cc b/xla/backends/gpu/autotuner/triton.cc
index b2ade1fb5e767..d6aebe1966c03 100644
--- a/xla/backends/gpu/autotuner/triton.cc
+++ b/xla/backends/gpu/autotuner/triton.cc
@@ -28,6 +28,7 @@ limitations under the License.
 #include "absl/strings/str_cat.h"
 #include "absl/strings/string_view.h"
 #include "xla/tsl/platform/status_macros.h"
+#include "google/protobuf/any.pb.h"
 #include "google/protobuf/text_format.h"
 #include "xla/autotuning.pb.h"
 #include "xla/backends/autotuner/codegen_backend.h"
@@ -70,6 +71,13 @@ namespace {
 std::vector<TritonGemmConfig> GetDefaultTritonConfigs(
     se::GpuComputeCapability compute_capability) {
   if (compute_capability.IsRocm()) {
+    const auto* rocm_cc = compute_capability.rocm_compute_capability();
+    if (rocm_cc->gfx9_mi300()) {
+      return GetTritonConfigsForPlatform(TritonConfigsPlatform::kMI300);
+    }
+    if (rocm_cc->gfx9_mi350()) {
+      return GetTritonConfigsForPlatform(TritonConfigsPlatform::kMI350);
+    }
     return GetTritonConfigsForPlatform(TritonConfigsPlatform::kDefaultRocm);
   }
 
diff --git a/xla/backends/gpu/autotuner/triton.h b/xla/backends/gpu/autotuner/triton.h
index d0e1ff8a82fd8..e46cefa579c91 100644
--- a/xla/backends/gpu/autotuner/triton.h
+++ b/xla/backends/gpu/autotuner/triton.h
@@ -29,7 +29,6 @@ limitations under the License.
 #include "xla/hlo/ir/hlo_instruction.h"
 #include "xla/hlo/ir/hlo_module.h"
 #include "xla/service/compiler.h"
-#include "xla/stream_executor/stream_executor.h"
 #include "xla/xla.pb.h"
 
 namespace xla {
diff --git a/xla/backends/gpu/autotuner/triton/default_configs/mi300.txtpb b/xla/backends/gpu/autotuner/triton/default_configs/mi300.txtpb
new file mode 100644
index 0000000000000..f2784e204a307
--- /dev/null
+++ b/xla/backends/gpu/autotuner/triton/default_configs/mi300.txtpb
@@ -0,0 +1,47 @@
+# Copyright 2026 The OpenXLA Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+config { block_m: 32 block_n: 32 block_k: 256 num_stages: 1 num_warps: 4 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 64 block_n: 32 block_k: 32 num_stages: 1 num_warps: 4 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 32 block_n: 64 block_k: 64 num_stages: 1 num_warps: 4 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 128 block_n: 128 block_k: 64 num_stages: 1 num_warps: 4 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 16 block_n: 16 block_k: 256 num_stages: 1 num_warps: 4 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 16 block_n: 128 block_k: 32 num_stages: 1 num_warps: 4 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 256 block_n: 256 block_k: 32 num_stages: 2 num_warps: 8 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 128 block_n: 256 block_k: 64 num_stages: 2 num_warps: 8 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 128 block_n: 256 block_k: 32 num_stages: 2 num_warps: 4 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 256 block_n: 128 block_k: 64 num_stages: 2 num_warps: 8 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 128 block_n: 128 block_k: 64 num_stages: 2 num_warps: 4 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 32 block_n: 8 block_k: 16 num_stages: 2 num_warps: 2 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 64 block_n: 32 block_k: 16 num_stages: 1 num_warps: 2 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 128 block_n: 32 block_k: 16 num_stages: 1 num_warps: 4 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 128 block_n: 64 block_k: 128 num_stages: 2 num_warps: 8 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 128 block_n: 128 block_k: 32 num_stages: 3 num_warps: 4 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 256 block_n: 128 block_k: 32 num_stages: 2 num_warps: 4 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 256 block_n: 256 block_k: 32 num_stages: 1 num_warps: 8 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 128 block_n: 32 block_k: 32 num_stages: 1 num_warps: 4 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 64 block_n: 32 block_k: 32 num_stages: 3 num_warps: 2 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 128 block_n: 32 block_k: 32 num_stages: 2 num_warps: 4 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 32 block_n: 32 block_k: 32 num_stages: 2 num_warps: 2 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 64 block_n: 32 block_k: 128 num_stages: 2 num_warps: 2 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 256 block_n: 8 block_k: 32 num_stages: 1 num_warps: 2 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 128 block_n: 16 block_k: 128 num_stages: 2 num_warps: 8 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 32 block_n: 16 block_k: 128 num_stages: 5 num_warps: 2 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 32 block_n: 16 block_k: 128 num_stages: 2 num_warps: 4 num_ctas: 1 waves_per_eu: 4 }
+config { block_m: 64 block_n: 8 block_k: 128 num_stages: 1 num_warps: 2 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 64 block_n: 8 block_k: 128 num_stages: 1 num_warps: 2 num_ctas: 1 waves_per_eu: 4 }
+config { block_m: 32 block_n: 16 block_k: 256 num_stages: 2 num_warps: 2 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 32 block_n: 16 block_k: 256 num_stages: 2 num_warps: 2 num_ctas: 1 waves_per_eu: 2 }
+config { block_m: 256 block_n: 8 block_k: 16 num_stages: 2 num_warps: 2 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 128 block_n: 8 block_k: 16 num_stages: 1 num_warps: 2 num_ctas: 1 waves_per_eu: 0 }
diff --git a/xla/backends/gpu/autotuner/triton/default_configs/mi350.txtpb b/xla/backends/gpu/autotuner/triton/default_configs/mi350.txtpb
new file mode 100644
index 0000000000000..43d84ab88336e
--- /dev/null
+++ b/xla/backends/gpu/autotuner/triton/default_configs/mi350.txtpb
@@ -0,0 +1,72 @@
+# Copyright 2026 The OpenXLA Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+config { block_m: 32 block_n: 32 block_k: 256 num_stages: 1 num_warps: 4 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 64 block_n: 32 block_k: 32 num_stages: 1 num_warps: 4 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 32 block_n: 64 block_k: 64 num_stages: 1 num_warps: 4 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 128 block_n: 128 block_k: 64 num_stages: 1 num_warps: 4 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 16 block_n: 16 block_k: 256 num_stages: 1 num_warps: 4 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 16 block_n: 128 block_k: 32 num_stages: 1 num_warps: 4 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 256 block_n: 256 block_k: 32 num_stages: 2 num_warps: 8 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 128 block_n: 256 block_k: 64 num_stages: 2 num_warps: 8 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 128 block_n: 256 block_k: 32 num_stages: 2 num_warps: 4 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 256 block_n: 128 block_k: 64 num_stages: 2 num_warps: 8 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 128 block_n: 128 block_k: 64 num_stages: 2 num_warps: 4 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 32 block_n: 8 block_k: 16 num_stages: 2 num_warps: 2 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 128 block_n: 32 block_k: 16 num_stages: 1 num_warps: 4 num_ctas: 1 waves_per_eu: 4 }
+config { block_m: 32 block_n: 8 block_k: 32 num_stages: 1 num_warps: 2 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 128 block_n: 32 block_k: 16 num_stages: 1 num_warps: 2 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 256 block_n: 256 block_k: 16 num_stages: 4 num_warps: 8 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 256 block_n: 128 block_k: 64 num_stages: 1 num_warps: 4 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 256 block_n: 128 block_k: 64 num_stages: 2 num_warps: 2 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 256 block_n: 128 block_k: 16 num_stages: 2 num_warps: 4 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 16 block_n: 16 block_k: 128 num_stages: 3 num_warps: 2 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 32 block_n: 16 block_k: 128 num_stages: 2 num_warps: 4 num_ctas: 1 waves_per_eu: 4 }
+config { block_m: 64 block_n: 8 block_k: 128 num_stages: 4 num_warps: 2 num_ctas: 1 waves_per_eu: 2 }
+config { block_m: 64 block_n: 16 block_k: 64 num_stages: 2 num_warps: 2 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 128 block_n: 32 block_k: 16 num_stages: 3 num_warps: 4 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 64 block_n: 32 block_k: 16 num_stages: 1 num_warps: 2 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 32 block_n: 16 block_k: 32 num_stages: 2 num_warps: 2 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 64 block_n: 8 block_k: 16 num_stages: 3 num_warps: 2 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 16 block_n: 8 block_k: 256 num_stages: 1 num_warps: 2 num_ctas: 1 waves_per_eu: 1 }
+config { block_m: 16 block_n: 16 block_k: 128 num_stages: 2 num_warps: 2 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 16 block_n: 16 block_k: 128 num_stages: 1 num_warps: 2 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 16 block_n: 64 block_k: 128 num_stages: 2 num_warps: 2 num_ctas: 1 waves_per_eu: 4 }
+config { block_m: 32 block_n: 16 block_k: 64 num_stages: 1 num_warps: 4 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 64 block_n: 8 block_k: 16 num_stages: 3 num_warps: 2 num_ctas: 1 waves_per_eu: 4 }
+config { block_m: 64 block_n: 8 block_k: 64 num_stages: 2 num_warps: 2 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 64 block_n: 8 block_k: 256 num_stages: 2 num_warps: 2 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 64 block_n: 16 block_k: 256 num_stages: 1 num_warps: 4 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 128 block_n: 8 block_k: 32 num_stages: 1 num_warps: 4 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 128 block_n: 32 block_k: 64 num_stages: 1 num_warps: 4 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 128 block_n: 64 block_k: 16 num_stages: 1 num_warps: 4 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 32 block_n: 32 block_k: 128 num_stages: 1 num_warps: 4 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 32 block_n: 32 block_k: 128 num_stages: 1 num_warps: 8 num_ctas: 1 waves_per_eu: 4 }
+config { block_m: 32 block_n: 64 block_k: 128 num_stages: 4 num_warps: 2 num_ctas: 1 waves_per_eu: 1 }
+config { block_m: 64 block_n: 32 block_k: 32 num_stages: 3 num_warps: 8 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 64 block_n: 64 block_k: 32 num_stages: 4 num_warps: 2 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 64 block_n: 64 block_k: 128 num_stages: 4 num_warps: 4 num_ctas: 1 waves_per_eu: 2 }
+config { block_m: 64 block_n: 64 block_k: 128 num_stages: 3 num_warps: 4 num_ctas: 1 waves_per_eu: 1 }
+config { block_m: 64 block_n: 64 block_k: 128 num_stages: 3 num_warps: 4 num_ctas: 1 waves_per_eu: 4 }
+config { block_m: 64 block_n: 64 block_k: 128 num_stages: 4 num_warps: 4 num_ctas: 1 waves_per_eu: 4 }
+config { block_m: 64 block_n: 128 block_k: 128 num_stages: 1 num_warps: 2 num_ctas: 1 waves_per_eu: 1 }
+config { block_m: 128 block_n: 64 block_k: 64 num_stages: 2 num_warps: 4 num_ctas: 1 waves_per_eu: 2 }
+config { block_m: 128 block_n: 64 block_k: 128 num_stages: 2 num_warps: 2 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 128 block_n: 128 block_k: 32 num_stages: 2 num_warps: 8 num_ctas: 1 waves_per_eu: 1 }
+config { block_m: 128 block_n: 128 block_k: 128 num_stages: 3 num_warps: 8 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 128 block_n: 128 block_k: 128 num_stages: 3 num_warps: 8 num_ctas: 1 waves_per_eu: 2 }
+config { block_m: 128 block_n: 128 block_k: 128 num_stages: 1 num_warps: 8 num_ctas: 1 waves_per_eu: 4 }
+config { block_m: 128 block_n: 256 block_k: 64 num_stages: 1 num_warps: 4 num_ctas: 1 waves_per_eu: 2 }
+config { block_m: 256 block_n: 256 block_k: 64 num_stages: 3 num_warps: 8 num_ctas: 1 waves_per_eu: 0 }
+config { block_m: 256 block_n: 256 block_k: 64 num_stages: 3 num_warps: 8 num_ctas: 1 waves_per_eu: 1 }
diff --git a/xla/backends/gpu/autotuner/triton/triton_configs.cc b/xla/backends/gpu/autotuner/triton/triton_configs.cc
index b37b00f3529b1..36712718cacd9 100644
--- a/xla/backends/gpu/autotuner/triton/triton_configs.cc
+++ b/xla/backends/gpu/autotuner/triton/triton_configs.cc
@@ -73,7 +73,11 @@ const std::vector<TritonGemmConfig>& GetTritonConfigsForPlatform(
                 {TritonConfigsPlatform::kDefaultRocm,
                  ParseConfig(GetDefaultConfigStr("rocm.txtpb"))},
                 {TritonConfigsPlatform::kHopper,
-                 ParseConfig(GetDefaultConfigStr("h100.txtpb"))}});
+                 ParseConfig(GetDefaultConfigStr("h100.txtpb"))},
+                {TritonConfigsPlatform::kMI300,
+                 ParseConfig(GetDefaultConfigStr("mi300.txtpb"))},
+                {TritonConfigsPlatform::kMI350,
+                 ParseConfig(GetDefaultConfigStr("mi350.txtpb"))}});
   return kConfigs->at(platform);
 }
 
diff --git a/xla/backends/gpu/autotuner/triton/triton_configs.h b/xla/backends/gpu/autotuner/triton/triton_configs.h
index 5f72fa2190e37..f8a3658876c0f 100644
--- a/xla/backends/gpu/autotuner/triton/triton_configs.h
+++ b/xla/backends/gpu/autotuner/triton/triton_configs.h
@@ -29,6 +29,8 @@ enum class TritonConfigsPlatform {
   kDefaultCuda,
   kDefaultRocm,
   kHopper,
+  kMI300,
+  kMI350,
 };
 
 const std::vector<TritonGemmConfig>& GetTritonConfigsForPlatform(
diff --git a/xla/backends/gpu/autotuner/triton/triton_configs_test.cc b/xla/backends/gpu/autotuner/triton/triton_configs_test.cc
index 8d8f8c7b30895..eb60b261978d1 100644
--- a/xla/backends/gpu/autotuner/triton/triton_configs_test.cc
+++ b/xla/backends/gpu/autotuner/triton/triton_configs_test.cc
@@ -34,6 +34,10 @@ TEST(TritonConfigsTest, PlatformsReturnNonEmptyConfig) {
               SizeIs(2));
   EXPECT_THAT(GetTritonConfigsForPlatform(TritonConfigsPlatform::kHopper),
               SizeIs(25));
+  EXPECT_THAT(GetTritonConfigsForPlatform(TritonConfigsPlatform::kMI300),
+              SizeIs(33));
+  EXPECT_THAT(GetTritonConfigsForPlatform(TritonConfigsPlatform::kMI350),
+              SizeIs(58));
 }
 
 }  // namespace