[UR][L0] multi-device event cache optimization (#12863)

Depends on #12230.

---------

Co-authored-by: Kenneth Benzie (Benie) <[email protected]>

Author: pbalcer

sycl/plugins/unified_runtime/CMakeLists.txt

@@ -57,14 +57,13 @@ if(SYCL_PI_UR_USE_FETCH_CONTENT)
   include(FetchContent)
 
   set(UNIFIED_RUNTIME_REPO "https://github.com/oneapi-src/unified-runtime.git")
-
-  # commit a2757b2931daa2f8d7c9dd51b0fc846be1fd49a7
-  # Merge:  9b936b5 + f78d369
+  # commit 78e09f717f56ea8d6e5eb3aa1a22107cf58a8d41
+  # Merge: e0393a45 8a5d6d39
   # Author: Kenneth Benzie (Benie) <[email protected]>
-  # Date:   Tue Feb 27 11:34:58 2024 +0000
-  #     Merge pull request #1254 from Bensuo/cmdbuf-support-hip
-  #     [EXP][CMDBUF] HIP adapter support for command buffers
-  set(UNIFIED_RUNTIME_TAG a2757b2931daa2f8d7c9dd51b0fc846be1fd49a7 )
+  # Date:   Thu Feb 29 12:49:08 2024 +0000
+  #     Merge pull request #1392 from pbalcer/event-cache-different-fix
+  #     [L0] Event cache different fix
+  set(UNIFIED_RUNTIME_TAG 78e09f717f56ea8d6e5eb3aa1a22107cf58a8d41)
 
   if(SYCL_PI_UR_OVERRIDE_FETCH_CONTENT_REPO)
     set(UNIFIED_RUNTIME_REPO "${SYCL_PI_UR_OVERRIDE_FETCH_CONTENT_REPO}")