diff --git a/alien/ArcaneInterface/cmake/LoadAlienTest.cmake b/alien/ArcaneInterface/cmake/LoadAlienTest.cmake
index 11a117f54..719a54eb0 100644
--- a/alien/ArcaneInterface/cmake/LoadAlienTest.cmake
+++ b/alien/ArcaneInterface/cmake/LoadAlienTest.cmake
@@ -34,7 +34,7 @@ endmacro()
 
 macro(alien_test)
 
-    set(options PARALLEL_ONLY)
+  set(options PARALLEL_ONLY UNIQUE_OUTPUT_DIR)
     set(oneValueArgs BENCH NAME COMMAND WORKING_DIRECTORY)
     set(multiValueArgs OPTIONS PROCS)
 
@@ -65,9 +65,16 @@ macro(alien_test)
                     ${ARGS_OPTIONS}
             )
         else ()
+            if(ARGS_UNIQUE_OUTPUT_DIR)
+              set(ALIEN_TEST_OUTDIR ${CMAKE_BINARY_DIR}/${ARGS_WORKING_DIRECTORY}/alien.${ARGS_BENCH}.${ARGS_NAME})
+              set(ALIEN_TEST_PARAM_OUTDIR -A,OutputDirectory=${ALIEN_TEST_OUTDIR})
+              file(MAKE_DIRECTORY ${ALIEN_TEST_OUTDIR})
+            else ()
+              set(ALIEN_TEST_PARAM_OUTDIR "")
+            endif()
             add_test(
                     NAME alien.${ARGS_BENCH}.${ARGS_NAME}
-                    COMMAND ${ARGS_COMMAND}
+                    COMMAND ${ARGS_COMMAND} ${ALIEN_TEST_PARAM_OUTDIR}
                     ${ARGS_OPTIONS}
                     WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/${ARGS_WORKING_DIRECTORY}
             )
@@ -105,9 +112,16 @@ macro(alien_test)
                         ${ARGS_OPTIONS}
                 )
             else ()
+                if(ARGS_UNIQUE_OUTPUT_DIR)
+                  set(ALIEN_TEST_OUTDIR ${CMAKE_BINARY_DIR}/${ARGS_WORKING_DIRECTORY}/alien.${ARGS_BENCH}.${ARGS_NAME}.mpi-${mpi})
+                  set(ALIEN_TEST_PARAM_OUTDIR -A,OutputDirectory=${ALIEN_TEST_OUTDIR})
+                  file(MAKE_DIRECTORY ${ALIEN_TEST_OUTDIR})
+                else ()
+                  set(ALIEN_TEST_PARAM_OUTDIR "")
+                endif ()
                 add_test(
                         NAME alien.${ARGS_BENCH}.${ARGS_NAME}.mpi-${mpi}
-                        COMMAND ${MPIEXEC_EXECUTABLE} ${MPIEXEC_NUMPROC_FLAG} ${mpi} ${MPIEXEC_PREFLAGS}$<TARGET_FILE:${ARGS_COMMAND}> ${MPIEXEC_POSTFLAGS}
+                        COMMAND ${MPIEXEC_EXECUTABLE} ${MPIEXEC_NUMPROC_FLAG} ${mpi} ${MPIEXEC_PREFLAGS}$<TARGET_FILE:${ARGS_COMMAND}> ${MPIEXEC_POSTFLAGS} ${ALIEN_TEST_PARAM_OUTDIR}
                         ${ARGS_OPTIONS}
                         WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/${ARGS_WORKING_DIRECTORY}
                 )
diff --git a/alien/ArcaneInterface/test/AlienBench/CMakeLists.txt b/alien/ArcaneInterface/test/AlienBench/CMakeLists.txt
index 6ee4f6a2c..5194fb0bb 100644
--- a/alien/ArcaneInterface/test/AlienBench/CMakeLists.txt
+++ b/alien/ArcaneInterface/test/AlienBench/CMakeLists.txt
@@ -248,6 +248,7 @@ alien_test(
             PROCS 1
             COMMAND alien_bench.exe
             OPTIONS AlienBench-aliensolver.arc
+            UNIQUE_OUTPUT_DIR
             WORKING_DIRECTORY ${ALIEN_ARCANE_INTERFACE_DIR}/test/AlienBench)
 
 if (TARGET petsc)
@@ -258,6 +259,7 @@ if (TARGET petsc)
             PROCS 1
             COMMAND alien_bench.exe
             OPTIONS AlienBench.arc
+            UNIQUE_OUTPUT_DIR
             WORKING_DIRECTORY ${ALIEN_ARCANE_INTERFACE_DIR}/test/AlienBench)
 
     alien_test(
@@ -266,6 +268,7 @@ if (TARGET petsc)
             PROCS 4
             COMMAND alien_bench.exe
             OPTIONS AlienBench-4P.arc
+            UNIQUE_OUTPUT_DIR
             WORKING_DIRECTORY ${ALIEN_ARCANE_INTERFACE_DIR}/test/AlienBench)
 
     if(TARGET petsc::spai)
@@ -275,6 +278,7 @@ if (TARGET petsc)
                 PROCS 1
                 COMMAND alien_bench.exe
                 OPTIONS AlienBench-petsc-spai.arc
+                UNIQUE_OUTPUT_DIR
                 WORKING_DIRECTORY ${ALIEN_ARCANE_INTERFACE_DIR}/test/AlienBench)
 
         alien_test(
@@ -283,6 +287,7 @@ if (TARGET petsc)
                 PROCS 4
                 COMMAND alien_bench.exe
                 OPTIONS AlienBench-petsc-spai-4P.arc
+                UNIQUE_OUTPUT_DIR
                 WORKING_DIRECTORY ${ALIEN_ARCANE_INTERFACE_DIR}/test/AlienBench)
     endif()
 
@@ -296,6 +301,7 @@ if (TARGET hypre)
             PROCS 1
             COMMAND alien_bench.exe
             OPTIONS AlienBench-hypre.arc
+            UNIQUE_OUTPUT_DIR
             WORKING_DIRECTORY ${ALIEN_ARCANE_INTERFACE_DIR}/test/AlienBench)
 
     alien_test(
@@ -304,6 +310,7 @@ if (TARGET hypre)
             PROCS 2
             COMMAND alien_bench.exe
             OPTIONS AlienBench-hypre-2P.arc
+            UNIQUE_OUTPUT_DIR
             WORKING_DIRECTORY ${ALIEN_ARCANE_INTERFACE_DIR}/test/AlienBench)
             
 if(ALIEN_USE_SYCL)
@@ -313,6 +320,7 @@ if(ALIEN_USE_SYCL)
             PROCS 1
             COMMAND alien_bench.exe
             OPTIONS AlienBench-hypreilu.arc
+            UNIQUE_OUTPUT_DIR
             WORKING_DIRECTORY ${ALIEN_ARCANE_INTERFACE_DIR}/test/AlienBench)
      
     alien_test(
@@ -321,6 +329,7 @@ if(ALIEN_USE_SYCL)
             PROCS 1
             COMMAND alien_bench.exe
             OPTIONS AlienBench-hyprefsai.arc
+            UNIQUE_OUTPUT_DIR
             WORKING_DIRECTORY ${ALIEN_ARCANE_INTERFACE_DIR}/test/AlienBench)
 
   if(TARGET CUDA::cudart)
@@ -330,6 +339,7 @@ if(ALIEN_USE_SYCL)
             PROCS 1
             COMMAND alien_bench.exe
             OPTIONS AlienBench-hypreilu-sycl.arc
+            UNIQUE_OUTPUT_DIR
             WORKING_DIRECTORY ${ALIEN_ARCANE_INTERFACE_DIR}/test/AlienBench)
      
     alien_test(
@@ -338,6 +348,7 @@ if(ALIEN_USE_SYCL)
             PROCS 1
             COMMAND alien_bench.exe
             OPTIONS AlienBench-hyprefsai-sycl.arc
+            UNIQUE_OUTPUT_DIR
             WORKING_DIRECTORY ${ALIEN_ARCANE_INTERFACE_DIR}/test/AlienBench)
   endif()
 endif(ALIEN_USE_SYCL)
@@ -352,6 +363,7 @@ if (TARGET trilinos)
             PROCS 1
             COMMAND alien_bench.exe
             OPTIONS AlienBench-trilinos.arc
+            UNIQUE_OUTPUT_DIR
             WORKING_DIRECTORY ${ALIEN_ARCANE_INTERFACE_DIR}/test/AlienBench)
 
     alien_test(
@@ -360,6 +372,7 @@ if (TARGET trilinos)
             PROCS 1
             COMMAND alien_bench.exe
             OPTIONS AlienBench-trilinosmuelu.arc
+            UNIQUE_OUTPUT_DIR
             WORKING_DIRECTORY ${ALIEN_ARCANE_INTERFACE_DIR}/test/AlienBench)
 
     alien_test(
@@ -368,6 +381,7 @@ if (TARGET trilinos)
             PROCS 2
             COMMAND alien_bench.exe
             OPTIONS AlienBench-trilinos-2P.arc
+            UNIQUE_OUTPUT_DIR
             WORKING_DIRECTORY ${ALIEN_ARCANE_INTERFACE_DIR}/test/AlienBench)
 
     alien_test(
@@ -376,5 +390,6 @@ if (TARGET trilinos)
             PROCS 4
             COMMAND alien_bench.exe
             OPTIONS AlienBench-trilinosmuelu-4P.arc
+            UNIQUE_OUTPUT_DIR
             WORKING_DIRECTORY ${ALIEN_ARCANE_INTERFACE_DIR}/test/AlienBench)
 endif ()
diff --git a/alien/ArcaneInterface/test/AlienTest/CMakeLists.txt b/alien/ArcaneInterface/test/AlienTest/CMakeLists.txt
index 34e1537be..5b6942a01 100644
--- a/alien/ArcaneInterface/test/AlienTest/CMakeLists.txt
+++ b/alien/ArcaneInterface/test/AlienTest/CMakeLists.txt
@@ -100,6 +100,7 @@ if (TARGET petsc)
             PROCS 4
             COMMAND alien_arcane_test.exe
             OPTIONS AlienTest.arc
+            UNIQUE_OUTPUT_DIR
             WORKING_DIRECTORY ${ALIEN_ARCANE_INTERFACE_DIR}/test/AlienTest)
 
     alien_test(
@@ -108,6 +109,7 @@ if (TARGET petsc)
             PROCS 4
             COMMAND alien_arcane_test.exe
             OPTIONS AlienTest-FBS.arc
+            UNIQUE_OUTPUT_DIR
             WORKING_DIRECTORY ${ALIEN_ARCANE_INTERFACE_DIR}/test/AlienTest)
 
     alien_test(
@@ -116,6 +118,7 @@ if (TARGET petsc)
             PROCS 4
             COMMAND alien_arcane_test.exe
             OPTIONS AlienTest-VBS.arc
+            UNIQUE_OUTPUT_DIR
             WORKING_DIRECTORY ${ALIEN_ARCANE_INTERFACE_DIR}/test/AlienTest)
 
 endif ()