feat: add Cambricon hardware benchmarks

docs/installation.md

@@ -34,8 +34,8 @@ cd infinibench/hardware/cuda-memory-benchmark
 bash build.sh --platform cuda
 ```
 
-For MetaX, Iluvatar, Hygon, and Moore Threads build and runtime instructions,
-see [Hardware Benchmarks](../infinibench/hardware/README.md).
+For MetaX, Iluvatar, Hygon, Moore Threads, and Cambricon build and runtime
+instructions, see [Hardware Benchmarks](../infinibench/hardware/README.md).
 
 **Note**: This requires:
 - CUDA toolkit (compatible with your GPU driver)

infinibench/hardware/README.md

@@ -1,8 +1,8 @@
 # Hardware Benchmarks
 
-InfiniBench provides one hardware adapter for NVIDIA CUDA and four additional
-CUDA-compatible accelerator platforms. Existing CUDA command shapes and metric
-names are kept unchanged.
+InfiniBench provides one hardware adapter for NVIDIA CUDA and five additional
+accelerator platforms. Existing CUDA command shapes, behavior, and metric names
+are kept unchanged. Platform-specific memory levels use distinct metric names.
 
 ## Platforms
 
@@ -13,6 +13,7 @@ names are kept unchanged.
 | Iluvatar CoreX | `corex`, `iluvatar` | `bash build.sh --platform corex` | `cuda-memory-benchmark/build/cuda_perf_suite` |
 | Hygon DCU | `hygon` | `bash build.sh --platform hygon` | `cuda-memory-benchmark/build/cuda_perf_suite` |
 | Moore Threads | `moore` | `bash build.sh --platform moore` | `cuda-memory-benchmark/build/cuda_perf_suite` |
+| Cambricon | `cambricon`, `mlu` | `bash build.sh` | `cambricon-memory-benchmark/build/mlu_perf_suite` |
 
 Run each build command from its benchmark directory. All binaries use the same
 test selectors and common arguments:
@@ -44,9 +45,10 @@ example, Moore Threads STREAM uses:
 }
 ```
 
-The aliases `nvidia`, `musa`, and `mthreads` are also accepted as explicit
-device values. A selected non-CUDA platform is recorded in the result
-configuration as `platform`; metric names remain compatible with CUDA results.
+The aliases `nvidia`, `musa`, `mthreads`, and `mlu` are also accepted as
+explicit device values. A selected non-CUDA platform is recorded in the result
+configuration as `platform`. Cambricon NRAM bandwidth is published as
+`hardware.nram_bandwidth`; it is not relabeled as a CUDA L1 cache metric.
 
 ## Device Visibility
 
@@ -58,12 +60,14 @@ The selected physical device is renumbered to device 0 inside the process.
 | NVIDIA, MetaX, Iluvatar | `CUDA_VISIBLE_DEVICES` |
 | Hygon | `HIP_VISIBLE_DEVICES` and `ROCR_VISIBLE_DEVICES` |
 | Moore Threads | `MUSA_VISIBLE_DEVICES` |
+| Cambricon | `MLU_VISIBLE_DEVICES` |
 
 For example:
 
 ```bash
 CUDA_VISIBLE_DEVICES=2 ./build/cuda_perf_suite --stream --device 0
 MUSA_VISIBLE_DEVICES=0 ./build/cuda_perf_suite --stream --device 0
+MLU_VISIBLE_DEVICES=3 ./build/mlu_perf_suite --stream --device 0
 ```
 
 ## Container Notes

infinibench/hardware/cambricon-memory-benchmark/CMakeLists.txt

@@ -0,0 +1,65 @@
+cmake_minimum_required(VERSION 3.18)
+
+# Find NEUWARE / CNToolkit
+if(DEFINED ENV{NEUWARE_HOME})
+    set(NEUWARE_HOME $ENV{NEUWARE_HOME})
+else()
+    set(NEUWARE_HOME "/usr/local/neuware")
+endif()
+message(STATUS "NEUWARE_HOME: ${NEUWARE_HOME}")
+
+# Find cncc compiler (used as C++ compiler for Cambricon)
+find_program(CNCC cncc HINTS ${NEUWARE_HOME}/bin)
+if(NOT CNCC)
+    message(FATAL_ERROR "cncc not found. Set NEUWARE_HOME.")
+endif()
+message(STATUS "Found cncc: ${CNCC}")
+
+set(CMAKE_CXX_COMPILER "${CNCC}")
+project(MluPerfSuite VERSION 1.0.0 LANGUAGES CXX)
+
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+if(NOT CMAKE_BUILD_TYPE)
+    set(CMAKE_BUILD_TYPE Release)
+endif()
+
+if(DEFINED ENV{MLU_ARCH})
+    set(MLU_ARCH $ENV{MLU_ARCH})
+else()
+    set(MLU_ARCH "mtp_592")
+endif()
+
+# Find CNRT library
+find_library(CNRT_LIB cnrt HINTS ${NEUWARE_HOME}/lib64 ${NEUWARE_HOME}/lib)
+if(NOT CNRT_LIB)
+    message(FATAL_ERROR "libcnrt not found in ${NEUWARE_HOME}")
+endif()
+
+# Find CNRT headers
+find_path(CNRT_INCLUDE_DIR NAMES cnrt.h HINTS ${NEUWARE_HOME}/include)
+if(NOT CNRT_INCLUDE_DIR)
+    message(FATAL_ERROR "cnrt.h not found in ${NEUWARE_HOME}/include")
+endif()
+
+add_executable(mlu_perf_suite src/main.mlu)
+target_include_directories(mlu_perf_suite PRIVATE
+    ${CNRT_INCLUDE_DIR}
+    ${CMAKE_CURRENT_SOURCE_DIR}/include
+)
+target_compile_options(mlu_perf_suite PRIVATE "--bang-mlu-arch=${MLU_ARCH}")
+target_link_libraries(mlu_perf_suite ${CNRT_LIB} stdc++ m pthread)
+
+set_source_files_properties(src/main.mlu PROPERTIES LANGUAGE CXX)
+
+install(TARGETS mlu_perf_suite RUNTIME DESTINATION bin)
+
+message(STATUS "")
+message(STATUS "Configuration Summary:")
+message(STATUS "  Project:    ${PROJECT_NAME} v${PROJECT_VERSION}")
+message(STATUS "  Build:      ${CMAKE_BUILD_TYPE}")
+message(STATUS "  cncc:       ${CNCC}")
+message(STATUS "  MLU arch:   ${MLU_ARCH}")
+message(STATUS "  CNRT:       ${CNRT_LIB}")
+message(STATUS "")

infinibench/hardware/cambricon-memory-benchmark/build.sh

@@ -0,0 +1,54 @@
+#!/bin/bash
+set -e
+
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+NC='\033[0m'
+
+echo "=========================================="
+echo "  MLU Performance Suite - Build Script"
+echo "=========================================="
+echo ""
+
+if ! command -v cncc &> /dev/null; then
+    echo -e "${RED}ERROR: cncc not found. Install CNToolkit.${NC}"
+    exit 1
+fi
+
+if [ -z "${NEUWARE_HOME}" ]; then
+    export NEUWARE_HOME="/usr/local/neuware"
+fi
+
+# MLU architecture - must be set for device kernel compilation
+if [ -z "${MLU_ARCH}" ]; then
+    MLU_ARCH="mtp_592"
+fi
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+BUILD_DIR="${SCRIPT_DIR}/build"
+
+mkdir -p "${BUILD_DIR}"
+
+echo -e "${YELLOW}Compiling (arch=${MLU_ARCH})...${NC}"
+cncc "${SCRIPT_DIR}/src/main.mlu" \
+    -o "${BUILD_DIR}/mlu_perf_suite" \
+    -O3 -std=c++17 \
+    --bang-mlu-arch="${MLU_ARCH}" \
+    -I"${NEUWARE_HOME}/include" \
+    -I"${SCRIPT_DIR}/include" \
+    -L"${NEUWARE_HOME}/lib64" \
+    -lcnrt -lstdc++ -lm
+
+echo ""
+echo -e "${GREEN}Build succeeded!${NC}"
+echo ""
+echo "Executable: ${BUILD_DIR}/mlu_perf_suite"
+echo ""
+echo "Usage:"
+echo "  ${BUILD_DIR}/mlu_perf_suite --all"
+echo "  ${BUILD_DIR}/mlu_perf_suite --memory"
+echo "  ${BUILD_DIR}/mlu_perf_suite --stream"
+echo "  ${BUILD_DIR}/mlu_perf_suite --cache"
+echo "  MLU_ARCH=mtp_592 ./build.sh   # override arch"
+echo ""