enhance: Introduce the support of Intel SVS (#48799)

related PRs:
* https://github.com/zilliztech/VectorDBBench/pull/749 for vectordbbench
* https://github.com/zilliztech/knowhere/pull/1537 for knowhere
* https://github.com/milvus-io/milvus/pull/48798 for Milvus 3.0

Signed-off-by: Alexandr Guzhva <alexanderguzhva@gmail.com>

Makefile

@@ -58,6 +58,11 @@ ifdef USE_OPENDAL
 	use_opendal = ${USE_OPENDAL}
 endif
 
+use_svs = OFF
+ifdef USE_SVS
+	use_svs = ${USE_SVS}
+endif
+
 # FIPS: default OFF. Set MILVUS_FIPS_ENABLED=ON to enable BoringCrypto.
 GOEXPERIMENT_FLAG :=
 ifeq ($(MILVUS_FIPS_ENABLED),ON)
@@ -293,19 +298,19 @@ generated-proto: download-milvus-proto build-3rdparty get-proto-deps
 
 build-cpp: generated-proto plan-parser-lib
 	@echo "Building Milvus cpp library ..."
-	@(env bash $(PWD)/scripts/core_build.sh -t ${mode} -a ${use_asan} -n ${use_disk_index} -y ${use_dynamic_simd} ${AZURE_OPTION} -x ${index_engine} -o ${use_opendal} -f $(tantivy_features))
+	@(env bash $(PWD)/scripts/core_build.sh -t ${mode} -a ${use_asan} -n ${use_disk_index} -y ${use_dynamic_simd} ${AZURE_OPTION} -x ${index_engine} -o ${use_opendal} -f $(tantivy_features) -S ${use_svs})
 
 build-cpp-gpu: generated-proto plan-parser-lib
 	@echo "Building Milvus cpp gpu library ... "
-	@(env bash $(PWD)/scripts/core_build.sh -t ${mode} -g -n ${use_disk_index} -y ${use_dynamic_simd} ${AZURE_OPTION} -x ${index_engine} -o ${use_opendal} -f $(tantivy_features))
+	@(env bash $(PWD)/scripts/core_build.sh -t ${mode} -g -n ${use_disk_index} -y ${use_dynamic_simd} ${AZURE_OPTION} -x ${index_engine} -o ${use_opendal} -f $(tantivy_features) -S ${use_svs})
 
 build-cpp-with-unittest: generated-proto plan-parser-lib
 	@echo "Building Milvus cpp library with unittest ... "
-	@(env bash $(PWD)/scripts/core_build.sh -t ${mode} -a ${use_asan} -u -n ${use_disk_index} -y ${use_dynamic_simd} ${AZURE_OPTION} -x ${index_engine} -o ${use_opendal} -f $(tantivy_features))
+	@(env bash $(PWD)/scripts/core_build.sh -t ${mode} -a ${use_asan} -u -n ${use_disk_index} -y ${use_dynamic_simd} ${AZURE_OPTION} -x ${index_engine} -o ${use_opendal} -f $(tantivy_features) -S ${use_svs})
 
 build-cpp-with-coverage: generated-proto plan-parser-lib
 	@echo "Building Milvus cpp library with coverage and unittest ..."
-	@(env bash $(PWD)/scripts/core_build.sh -t ${mode} -a ${use_asan} -u -c -n ${use_disk_index} -y ${use_dynamic_simd} ${AZURE_OPTION} -x ${index_engine} -o ${use_opendal} -f $(tantivy_features))
+	@(env bash $(PWD)/scripts/core_build.sh -t ${mode} -a ${use_asan} -u -c -n ${use_disk_index} -y ${use_dynamic_simd} ${AZURE_OPTION} -x ${index_engine} -o ${use_opendal} -f $(tantivy_features) -S ${use_svs})
 
 check-proto-product: generated-proto
 	 @(env bash $(PWD)/scripts/check_proto_product.sh)

internal/core/thirdparty/knowhere/CMakeLists.txt

@@ -39,6 +39,12 @@ if ( MILVUS_GPU_VERSION STREQUAL "ON" )
     set(WITH_CUVS ON CACHE BOOL "" FORCE )
 endif ()
 
+if ( WITH_SVS STREQUAL "ON" )
+    set(WITH_SVS ON CACHE BOOL "" FORCE )
+else ()
+    set(WITH_SVS OFF CACHE BOOL "" FORCE )
+endif()
+
 set( CMAKE_PREFIX_PATH ${CONAN_BOOST_ROOT} )
 FetchContent_Declare(
         knowhere
@@ -58,6 +64,22 @@ if ( NOT knowhere_POPULATED )
                       ${knowhere_BINARY_DIR} )
 endif()
 
+# Install the SVS runtime shared library alongside libknowhere.so so that
+# the Go linker (and the final binary at runtime) can find it.
+# svs_SOURCE_DIR is set inside knowhere's subdirectory scope and does not
+# propagate here, so we derive the path from FETCHCONTENT_BASE_DIR which
+# is in the CMake cache (set by internal/core/CMakeLists.txt).
+if ( WITH_SVS STREQUAL "ON" )
+    set( _SVS_LIB_DIR "${FETCHCONTENT_BASE_DIR}/svs-src/lib" )
+    if ( EXISTS "${_SVS_LIB_DIR}" )
+        install(DIRECTORY ${_SVS_LIB_DIR}/
+                DESTINATION ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}
+                FILES_MATCHING PATTERN "libsvs_runtime.so*")
+    else()
+        message(WARNING "SVS enabled but ${_SVS_LIB_DIR} not found \u2014 libsvs_runtime.so will not be installed")
+    endif()
+endif()
+
 # get prometheus COMPILE_OPTIONS
 get_property( var DIRECTORY "${knowhere_SOURCE_DIR}" PROPERTY COMPILE_OPTIONS )
 message( STATUS "knowhere src compile options: ${var}" )

scripts/core_build.sh

@@ -100,6 +100,7 @@ BUILD_DISK_ANN="OFF"
 USE_ASAN="OFF"
 USE_DYNAMIC_SIMD="ON"
 USE_OPENDAL="OFF"
+USE_SVS="OFF"
 TANTIVY_FEATURES=""
 INDEX_ENGINE="KNOWHERE"
 ENABLE_AZURE_FS="ON"
@@ -111,7 +112,7 @@ fi
 : "${USE_PCH:="ON"}"
 : "${USE_UNITY_BUILD:="OFF"}"
 
-while getopts "p:t:s:n:a:y:x:o:f:ulcgbZh" arg; do
+while getopts "p:t:s:n:a:y:x:o:f:S:ulcgbZh" arg; do
   case $arg in
   p)
     INSTALL_PREFIX=$OPTARG
@@ -157,6 +158,9 @@ while getopts "p:t:s:n:a:y:x:o:f:ulcgbZh" arg; do
   o)
     USE_OPENDAL=$OPTARG
     ;;
+  S)
+    USE_SVS=$OPTARG
+    ;;
   f)
     TANTIVY_FEATURES=$OPTARG
     ;;
@@ -177,6 +181,7 @@ parameter:
 -a: build milvus with AddressSanitizer(default: false)
 -Z: build milvus without azure-sdk-for-cpp, so cannot use azure blob
 -o: build milvus with opendal(default: false)
+-S: build milvus with SVS/Intel Scalable Vector Search(default: OFF)
 -f: build milvus with tantivy features(default: '')
 -h: help
 
@@ -249,6 +254,7 @@ ${CMAKE_EXTRA_ARGS} \
 -DUSE_DYNAMIC_SIMD=${USE_DYNAMIC_SIMD} \
 -DCPU_ARCH=${CPU_ARCH} \
 -DUSE_OPENDAL=${USE_OPENDAL} \
+-DWITH_SVS=${USE_SVS} \
 -DINDEX_ENGINE=${INDEX_ENGINE} \
 -DTANTIVY_FEATURES_LIST=${TANTIVY_FEATURES} \
 -DENABLE_GCP_NATIVE=${ENABLE_GCP_NATIVE} \