Support fine-grained SVS index

cmake/svs.cmake

@@ -64,7 +64,7 @@ if(USE_SVS)
     if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
         if(GLIBC_VERSION VERSION_GREATER_EQUAL "2.31" AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "21.0")
             if(GLIBCXX_VERSION VERSION_GREATER_EQUAL "11")
-                set(SVS_URL "https://github.com/intel/ScalableVectorSearch/releases/download/v0.3.2/svs-shared-library-reduced-clang21-gcc11.tar.gz" CACHE STRING "SVS URL")
+                set(SVS_URL "https://github.com/intel/ScalableVectorSearch/releases/download/nightly/svs-shared-library-0.5.0rc7-reduced-clang21-gcc11.tar.gz" CACHE STRING "SVS URL")
             else()
                 message(STATUS "libstdc++ >= GCC 11 is required for Clang SVS binaries - disabling SVS_SHARED_LIB")
                 set(SVS_SHARED_LIB OFF)
@@ -76,14 +76,12 @@ if(USE_SVS)
     else()
         if(GLIBC_VERSION VERSION_GREATER_EQUAL "2.28")
             if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "14.0")
-                set(SVS_URL "https://github.com/intel/ScalableVectorSearch/releases/download/v0.3.2/svs-shared-library-reduced-gcc14.tar.gz" CACHE STRING "SVS URL")
+		    set(SVS_URL "https://github.com/intel/ScalableVectorSearch/releases/download/nightly/svs-shared-library-0.5.0rc7-reduced-gcc14.tar.gz" CACHE STRING "SVS URL")
             else()
-                set(SVS_URL "https://github.com/intel/ScalableVectorSearch/releases/download/v0.3.2/svs-shared-library-reduced.tar.gz" CACHE STRING "SVS URL")
+                set(SVS_URL "https://github.com/intel/ScalableVectorSearch/releases/download/nightly/svs-shared-library-0.5.0rc7-reduced.tar.gz" CACHE STRING "SVS URL")
             endif()
-        elseif(GLIBC_VERSION VERSION_GREATER_EQUAL "2.26")
-            set(SVS_URL "https://github.com/intel/ScalableVectorSearch/releases/download/v0.3.0/svs-shared-library-0.3.0-reduced-glibc2_26.tar.gz" CACHE STRING "SVS URL")
         else()
-            message(STATUS "GLIBC >= 2.26 is required for GCC SVS binaries - disabling SVS_SHARED_LIB")
+            message(STATUS "GLIBC >= 2.28 is required for GCC SVS binaries - disabling SVS_SHARED_LIB")
             set(SVS_SHARED_LIB OFF)
         endif()
     endif()
@@ -128,7 +126,7 @@ if(USE_SVS)
     # so whether it is available depends on which SVS this build ended up with rather than on the
     # platform. Detect it in the header instead of assuming: it is a method, not a file, so this
     # greps the header the LVQ check would have tested for existence.
-    set(SVS_DYNAMIC_INDEX_HEADER "svs/index/vamana/dynamic_index.h")
+    set(SVS_DYNAMIC_INDEX_HEADER "svs/concurrent/dynamic_index.h")
     set(SVS_HAS_REPLACE_EXTERNAL_ID 0)
     if(EXISTS "${svs_SOURCE_DIR}/include/${SVS_DYNAMIC_INDEX_HEADER}")
         file(READ "${svs_SOURCE_DIR}/include/${SVS_DYNAMIC_INDEX_HEADER}" SVS_DYNAMIC_INDEX_SRC)