refactor(rccl/gin): Simplify build for gin-anvil and remove sdma-induced rocshmem link dependencies

projects/rccl/CMakeLists.txt

@@ -848,6 +848,16 @@ rocm_install(FILES       ${PROJECT_BINARY_DIR}/include/nccl.h
              DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
 rocm_install(DIRECTORY   ${PROJECT_BINARY_DIR}/include/nccl_device/
              DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/nccl_device)
+# Install SDMA device headers so consumers can compile GIN SDMA device templates
+# without depending on ROCSHMEM_SOURCE_DIR.
+if(ENABLE_ROCSHMEM_GIN AND ROCSHMEM_SOURCE_DIR)
+  rocm_install(FILES
+    ${ROCSHMEM_SOURCE_DIR}/src/sdma/anvil_device.hpp
+    ${ROCSHMEM_SOURCE_DIR}/src/sdma/sdma_opcodes.h
+    ${ROCSHMEM_SOURCE_DIR}/src/sdma/sdma_pkt_struct.h
+    ${ROCSHMEM_SOURCE_DIR}/src/sdma/sdma_pkt_struct_mi4.h
+    DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/nccl_device/gin/anvil_sdma/sdma)
+endif()
 ## Optional: install LLVM bitcode artifacts when EMIT_LLVM_IR is enabled.
 ## librccl_device.bc, nccl_device_wrapper.h, hipified nccl_device headers,
 ## and nccl.h (same as rccl.h; nccl_device #includes <nccl.h>) are produced

projects/rccl/cmake/Findrocshmem_static.cmake

@@ -27,9 +27,5 @@ find_path(ROCSHMEM_INCLUDE_DIR
 find_library(ROCSHMEM_LIBRARY
     NAMES rocshmem
         HINTS ${ROCSHMEM_INSTALL_DIR}/lib)
-
-## -- todo --- what to do with verbs? add to handle args call below? -- ##
-find_library(IBVERBS ibverbs)
 
 find_package_handle_standard_args(rocshmem_static DEFAULT_MSG ROCSHMEM_INCLUDE_DIR ROCSHMEM_LIBRARY)
-## mark_as_advanced(MSCCLPP_INCLUDE_DIRS MSCCLPP_NCCL_STATIC_LIB) add this for Rocshmem?

projects/rccl/cmake/ROCSHMEM.cmake

@@ -29,13 +29,6 @@ set(ROCSHMEM_MONO_HASH "33d980d7ca1f0bf90cfe4ff9106310abcf47b550" CACHE STRING
 
 function(add_rocshmem_targets)
 
-    # Common dependency: libibverbs is required for all rocSHMEM paths
-    find_library(_IBVERBS ibverbs)
-    if(NOT _IBVERBS)
-        message(FATAL_ERROR "libibverbs not found (install rdma-core/libibverbs-dev)")
-    endif()
-    set(IBVERBS ${_IBVERBS} PARENT_SCOPE)
-
     # -----------------------------------------------------------------
     # Auto-detect ROCSHMEM_SOURCE_DIR if not provided.
     # Runs first so source headers are available regardless of whether
@@ -102,7 +95,7 @@ function(add_rocshmem_targets)
         if(rocshmem_static_FOUND)
             set(ROCSHMEM_INCLUDE_DIR "${ROCSHMEM_INCLUDE_DIR}" PARENT_SCOPE)
             set(ROCSHMEM_LIBRARY     "${ROCSHMEM_LIBRARY}"      PARENT_SCOPE)
-            set(ROCSHMEM_SOURCE_DIR  "${ROCSHMEM_SOURCE_DIR}"   PARENT_SCOPE)
+            set(ROCSHMEM_SOURCE_DIR  "${ROCSHMEM_SOURCE_DIR}"   CACHE INTERNAL "rocSHMEM source directory")
             return()
         endif()
     endif()
@@ -155,6 +148,8 @@ function(add_rocshmem_targets)
         add_custom_target(rocshmem_static ALL DEPENDS rocshmem_ext)
     endif()
 
-    set(ROCSHMEM_SOURCE_DIR "${ROCSHMEM_SOURCE_DIR}" PARENT_SCOPE)
+    # CACHE INTERNAL (not PARENT_SCOPE): SOURCE_DIR is consumed by the
+    # top-level CMakeLists.txt install rules, outside add_subdirectory(src).
+    set(ROCSHMEM_SOURCE_DIR "${ROCSHMEM_SOURCE_DIR}" CACHE INTERNAL "rocSHMEM source directory")
 
 endfunction()

projects/rccl/install.sh

@@ -328,11 +328,13 @@ fi
 # rocSHMEM worktree setup (must run before cd-ing into the build directory)
 # #################################################
 rocshmem_source_dir=""
+rocshmem_is_monorepo=false
 if [[ "${build_rocshmem_support}" == true || "${build_rocshmem_gin}" == true ]] && [[ -z "${ROCSHMEM_INSTALL_DIR}" ]]; then
     # Prefer mono-repo layout (projects/rocshmem alongside projects/rccl)
     mono_root=$(git rev-parse --show-toplevel 2>/dev/null)
     if [[ -n "$mono_root" ]] && [[ -f "$mono_root/projects/rocshmem/CMakeLists.txt" ]]; then
         rocshmem_source_dir="$mono_root/projects/rocshmem"
+        rocshmem_is_monorepo=true
         echo "=== Using rocSHMEM from mono-repo: ${rocshmem_source_dir} ==="
     else
         setup_rocshmem_worktree
@@ -511,14 +513,14 @@ if [[ "${build_rocshmem_support}" == true ]]; then
     cmake_common_options="${cmake_common_options} -DENABLE_ROCSHMEM=ON"
     if [[ -n "${ROCSHMEM_INSTALL_DIR}" ]]; then
         cmake_common_options="${cmake_common_options} -DROCSHMEM_INSTALL_DIR=${ROCSHMEM_INSTALL_DIR}"
-    elif [[ -n "${rocshmem_source_dir}" ]]; then
+    elif [[ -n "${rocshmem_source_dir}" ]] && [[ "${rocshmem_is_monorepo}" == false ]]; then
         cmake_common_options="${cmake_common_options} -DROCSHMEM_SOURCE_DIR=${rocshmem_source_dir}"
     fi
 elif [[ "${build_rocshmem_gin}" == true ]]; then
     cmake_common_options="${cmake_common_options} -DENABLE_ROCSHMEM=OFF -DENABLE_ROCSHMEM_GIN=ON"
     if [[ -n "${ROCSHMEM_INSTALL_DIR}" ]]; then
         cmake_common_options="${cmake_common_options} -DROCSHMEM_INSTALL_DIR=${ROCSHMEM_INSTALL_DIR}"
-    elif [[ -n "${rocshmem_source_dir}" ]]; then
+    elif [[ -n "${rocshmem_source_dir}" ]] && [[ "${rocshmem_is_monorepo}" == false ]]; then
         cmake_common_options="${cmake_common_options} -DROCSHMEM_SOURCE_DIR=${rocshmem_source_dir}"
     fi
 else

projects/rccl/src/CMakeLists.txt

@@ -214,6 +214,8 @@ set(SRC_FILES
   include/gin/gin_host_proxy.h
   include/gin/gin_host_rocshmem_gda.h
   include/gin/gin_rocshmem_gda_factory.h
+  include/gin/gin_host_anvil_sdma.h
+  include/gin/gin_anvil_sdma_factory.h
   include/git_version.h
   include/graph.h
   include/group.h
@@ -592,8 +594,11 @@ if(ENABLE_ROCSHMEM_GIN)
     src/gin/gin_plugin_anvil_sdma.cc
     src/gin/gin_anvil_ipc_table_host.cc
     src/algorithms/gin/sdma/gin_alltoall_sdma.cu
-    src/algorithms/gin/sdma/gin_all_reduce_sdma.cu 
+    src/algorithms/gin/sdma/gin_all_reduce_sdma.cu
+    src/gin/gin_anvil_sdma_factory.cc
   )
+  # anvil.cpp is compiled from rocshmem source via target_sources after
+  # add_library (bypasses SRC_FILES/hipify). See block after add_library.
 endif()
 
 if(USE_AMDSMI)
@@ -1053,11 +1058,18 @@ if (ENABLE_ROCSHMEM OR ENABLE_ROCSHMEM_GIN)
     else()
       target_include_directories(rccl PRIVATE ${ROCSHMEM_SOURCE_DIR}/build/include ${ROCSHMEM_SOURCE_DIR}/build/include/rocshmem)
     endif()
+
+    # Compile anvil.cpp from rocshmem source tree into librccl.so (host-only).
+    # src/gin/log.hpp shim shadows rocshmem's log.hpp via include path ordering,
+    # redirecting LOG_* macros to RCCL native logging (WARN/INFO/TRACE).
+    if(ENABLE_ROCSHMEM_GIN)
+      target_sources(rccl PRIVATE "${ROCSHMEM_SOURCE_DIR}/src/sdma/anvil.cpp")
+      set_source_files_properties("${ROCSHMEM_SOURCE_DIR}/src/sdma/anvil.cpp" PROPERTIES
+        INCLUDE_DIRECTORIES "${CMAKE_CURRENT_SOURCE_DIR}/gin;${ROCSHMEM_SOURCE_DIR}/src/sdma;${ROCSHMEM_SOURCE_DIR}/src;${ROCSHMEM_SOURCE_DIR}/include;${ROCM_PATH}/include")
+    endif()
+
   endif()
 endif()
-if (ENABLE_ROCSHMEM)
-  target_link_libraries(rccl PRIVATE ${IBVERBS})
-endif()
 
 if(ROCTX_ENABLE)
   target_compile_definitions(rccl PRIVATE ROCTX_ENABLE)
@@ -1402,7 +1414,6 @@ if(ENABLE_ROCSHMEM)
   # of the final librccl.so link.
   target_link_libraries(rccl PRIVATE ${ROCSHMEM_LIBRARY})
   target_link_libraries(rccl PRIVATE ${HSAKMT_LIBRARY})
-  target_link_libraries(rccl PRIVATE ${IBVERBS})
   set(_rocshmem_offload_arch_flags "")
   foreach(_gpu_raw ${GPU_TARGETS})
     string(REGEX REPLACE ":.*" "" _gpu "${_gpu_raw}")
@@ -1415,15 +1426,10 @@ elseif(ENABLE_ROCSHMEM_GIN)
   # With the device linker (default), per-arch .bc files are injected directly
   # into the per-arch device link step via DeviceLinker.cmake.
   #
-  # Pull the SDMA host objects out of librocshmem.a so apps running only SDMA do
-  # not have to link it. Seeding by symbol rather than by file survives renames.
-  # GDA stays unresolved, as it needs constmem registration this mode cannot do.
+  # Seed rocshmem host symbols needed by GDA into librccl.so.  SDMA factory
+  # symbols are compiled in directly (gin_anvil_sdma_factory.cc) and no longer
+  # need pulling from librocshmem.a.
   set(_gin_rocshmem_syms
-    gin_anvil_sdma_probe
-    gin_anvil_sdma_create
-    gin_anvil_sdma_destroy
-    gin_anvil_sdma_get_num_channels
-    gin_anvil_sdma_get_channel_stride
     _ZN8rocshmem3ibvE)
   set(_gin_rocshmem_undefine "")
   foreach(_sym ${_gin_rocshmem_syms})

projects/rocshmem/src/sdma/gin_anvil_sdma_factory.cpp → projects/rccl/src/gin/gin_anvil_sdma_factory.cc

@@ -1,20 +1,21 @@
-/******************************************************************************
+/*************************************************************************
  * Copyright (c) 2026, Advanced Micro Devices, Inc. All rights reserved.
  *
- * SPDX-License-Identifier: MIT
- *****************************************************************************/
+ * See LICENSE.txt for license information
+ ************************************************************************/
 
-#include <gin_anvil/sdma_factory.h>
+#ifdef ENABLE_ROCSHMEM_GIN
 
-#include "anvil.hpp"
-#include "util.hpp"
+#include "gin/gin_anvil_sdma_factory.h"
+
+#include "sdma/anvil.hpp"
 #include <hip/hip_runtime.h>
 #include <cstdlib>
 #include <vector>
 #include <cstring>
 #include <algorithm>
 
-#include "log.hpp"
+#include "debug.h"
 
 struct gin_anvil_sdma_opaque {
   int nRanks;
@@ -34,7 +35,7 @@ extern "C" int gin_anvil_sdma_probe(void) {
 
 static int checkHip(hipError_t e, const char* what) {
   if (e != hipSuccess) {
-    LOG_ERROR("gin_anvil_sdma: %s: %s", what, hipGetErrorString(e));
+    WARN("GIN anvil-sdma: %s: %s", what, hipGetErrorString(e));
     return -1;
   }
   return 0;
@@ -61,21 +62,21 @@ extern "C" int gin_anvil_sdma_create(int nRanks, int myRank, int my_device_id,
   std::vector<int> devs(static_cast<size_t>(nRanks), -1);
   devs[static_cast<size_t>(myRank)] = my_device_id;
   if (allgather(allgather_ctx, devs.data(), sizeof(int)) != 0) {
-    LOG_ERROR("gin_anvil_sdma: allgather(device ids) failed");
+    WARN("GIN anvil-sdma: allgather(device ids) failed");
     return -1;
   }
 
   for (int i = 0; i < nRanks; ++i) {
     if (devs[static_cast<size_t>(i)] < 0) {
-      LOG_ERROR("gin_anvil_sdma: invalid device id for rank %d", i);
+      WARN("GIN anvil-sdma: invalid device id for rank %d", i);
       return -1;
     }
   }
 
   const int myDev = devs[static_cast<size_t>(myRank)];
 
   if (!sdma_anvil::initEndpoint()) {
-    LOG_ERROR("gin_anvil_sdma: Anvil SDMA init failed");
+    WARN("GIN anvil-sdma: Anvil SDMA init failed");
     return -1;
   }
 
@@ -85,12 +86,12 @@ extern "C" int gin_anvil_sdma_create(int nRanks, int myRank, int my_device_id,
       if (sdma_anvil::anvil.getSdmaQueue(myDev, remoteDev, 0) != nullptr) continue;
       if (myDev != remoteDev) sdma_anvil::EnablePeerAccess(myDev, remoteDev);
       if (!sdma_anvil::anvil.connect(myDev, remoteDev, numChannels)) {
-        LOG_ERROR("gin_anvil_sdma: connect(%d -> %d) failed", myDev, remoteDev);
+        WARN("GIN anvil-sdma: connect(%d -> %d) failed", myDev, remoteDev);
         return -1;
       }
     }
   } catch (const std::exception& e) {
-    LOG_ERROR("gin_anvil_sdma: SDMA connect failed: %s", e.what());
+    WARN("GIN anvil-sdma: SDMA connect failed: %s", e.what());
     return -1;
   }
 
@@ -108,7 +109,7 @@ extern "C" int gin_anvil_sdma_create(int nRanks, int myRank, int my_device_id,
     }
   }
   if (validHandles == 0) {
-    LOG_ERROR("gin_anvil_sdma: no SDMA queue handles for device %d", myDev);
+    WARN("GIN anvil-sdma: no SDMA queue handles for device %d", myDev);
     return -1;
   }
 
@@ -118,19 +119,19 @@ extern "C" int gin_anvil_sdma_create(int nRanks, int myRank, int my_device_id,
   if (checkHip(hipMemcpy(dev_row, host_handles.data(), static_cast<size_t>(total) * sizeof(void*),
                          hipMemcpyHostToDevice),
                "hipMemcpy handles") != 0) {
-    CHECK_HIP(hipFree(dev_row));
+    (void)hipFree(dev_row);
     return -1;
   }
 
   uint64_t* dirty = nullptr;
   if (checkHip(hipExtMallocWithFlags((void**)&dirty, sizeof(uint64_t), hipDeviceMallocFinegrained),
                "hipExtMallocWithFlags sdmaDirty") != 0) {
-    CHECK_HIP(hipFree(dev_row));
+    (void)hipFree(dev_row);
     return -1;
   }
   if (checkHip(hipMemset(dirty, 0, sizeof(uint64_t)), "hipMemset sdmaDirty") != 0) {
-    CHECK_HIP(hipFree(dev_row));
-    CHECK_HIP(hipFree(dirty));
+    (void)hipFree(dev_row);
+    (void)hipFree(dirty);
     return -1;
   }
 
@@ -152,8 +153,8 @@ extern "C" int gin_anvil_sdma_create(int nRanks, int myRank, int my_device_id,
 extern "C" void gin_anvil_sdma_destroy(gin_anvil_sdma_handle_t handle) {
   if (!handle) return;
   auto* impl = handle;
-  if (impl->deviceHandles_d) CHECK_HIP(hipFree(impl->deviceHandles_d));
-  if (impl->sdmaDirty_d) CHECK_HIP(hipFree(impl->sdmaDirty_d));
+  if (impl->deviceHandles_d) (void)hipFree(impl->deviceHandles_d);
+  if (impl->sdmaDirty_d) (void)hipFree(impl->sdmaDirty_d);
   delete impl;
 }
 
@@ -168,3 +169,5 @@ extern "C" int gin_anvil_sdma_get_num_channels(gin_anvil_sdma_handle_t handle) {
 extern "C" int gin_anvil_sdma_get_channel_stride(gin_anvil_sdma_handle_t handle) {
   return handle ? handle->sdmaChannelStride : 0;
 }
+
+#endif // ENABLE_ROCSHMEM_GIN

projects/rccl/src/gin/gin_plugin_anvil_sdma.cc

@@ -18,7 +18,7 @@
 #include "bootstrap.h"
 #include "nccl_device/gin/anvil_sdma/gin_anvil_sdma_device_host_common.h"
 #include "nccl_device/gin/anvil_sdma/gin_anvil_ipc_table.h"
-#include <gin_anvil/sdma_factory.h>
+#include "gin/gin_anvil_sdma_factory.h"
 #include <hip/hip_runtime.h>
 #include <cstdint>
 #include <cstdlib>

projects/rccl/src/gin/gin_rocshmem_gda_factory.cc

@@ -41,7 +41,7 @@
 #include "gin/gin_rocshmem_gda_factory.h"
 #include <gda/queue_pair.hpp>
 #include <gda/ibv_wrapper.hpp>
-#include <gda/backend_gda.hpp>
+#include <gda/gda_enums.hpp>
 #include <gda/debug_gda.hpp>
 #include <envvar.hpp>
 #include <gda/topology.hpp>

projects/rccl/src/gin/log.hpp

@@ -0,0 +1,49 @@
+/*************************************************************************
+ * Copyright (c) 2026, Advanced Micro Devices, Inc. All rights reserved.
+ *
+ * See LICENSE.txt for license information
+ ************************************************************************/
+
+// Shim: shadows rocshmem's log.hpp when compiling anvil.cpp into librccl.so.
+// Maps rocshmem LOG_* macros to RCCL's native logging infrastructure.
+
+#ifndef RCCL_GIN_LOG_SHIM_HPP
+#define RCCL_GIN_LOG_SHIM_HPP
+
+// Host-side: when building librccl.so, map to RCCL native logging.
+// When installed (consumed by rccl-tests), host macros are not needed
+// — only device-side stubs below are used by anvil_device.hpp.
+#if __has_include("debug.h")
+#include "debug.h"
+#include <cstdlib>
+#define LOG_ERROR(fmt, ...)       WARN("GIN: " fmt, ##__VA_ARGS__)
+#define LOG_ERROR_EXIT(fmt, ...)  do { WARN("GIN FATAL: " fmt, ##__VA_ARGS__); exit(EXIT_FAILURE); } while(0)
+#define LOG_ERROR_ABORT(fmt, ...) do { WARN("GIN ABORT: " fmt, ##__VA_ARGS__); abort(); } while(0)
+#define LOG_WARN(fmt, ...)        INFO(NCCL_INIT, "GIN: " fmt, ##__VA_ARGS__)
+#define LOG_INFO(fmt, ...)        INFO(NCCL_INIT, "GIN: " fmt, ##__VA_ARGS__)
+#ifdef ENABLE_TRACE
+#define LOG_TRACE(fmt, ...)       TRACE(NCCL_INIT, "GIN: " fmt, ##__VA_ARGS__)
+#else
+#define LOG_TRACE(...)            do {} while(0)
+#endif
+#else
+// Installed context: no RCCL internals available.
+#include <cstdio>
+#include <cstdlib>
+#define LOG_ERROR(fmt, ...)       fprintf(stderr, "GIN: " fmt "\n", ##__VA_ARGS__)
+#define LOG_ERROR_EXIT(fmt, ...)  do { fprintf(stderr, "GIN FATAL: " fmt "\n", ##__VA_ARGS__); exit(EXIT_FAILURE); } while(0)
+#define LOG_ERROR_ABORT(fmt, ...) do { fprintf(stderr, "GIN ABORT: " fmt "\n", ##__VA_ARGS__); abort(); } while(0)
+#define LOG_WARN(fmt, ...)        fprintf(stderr, "GIN: " fmt "\n", ##__VA_ARGS__)
+#define LOG_INFO(fmt, ...)        ((void)0)
+#define LOG_TRACE(...)            do {} while(0)
+#endif
+
+// Device-side logging stubs (anvil_device.hpp uses LOGD_ERROR_ABORT for
+// unsupported-architecture guards — map to __builtin_trap on device).
+#define LOGD_ERROR_ABORT(fmt, ...) __builtin_trap()
+#define LOGD_ERROR(fmt, ...)       ((void)0)
+#define LOGD_WARN(fmt, ...)        ((void)0)
+#define LOGD_INFO(fmt, ...)        ((void)0)
+#define LOGD_TRACE(fmt, ...)       ((void)0)
+
+#endif // RCCL_GIN_LOG_SHIM_HPP