test: remember to set n_thread for cpu backend

Author: ngxson

CMakeLists.txt

@@ -161,11 +161,6 @@ endif()
 # 3rd-party
 #
 
-if (EMSCRIPTEN)
-    add_compile_options(-pthread)
-    link_libraries     (-pthread)
-endif()
-
 if (LLAMA_USE_SYSTEM_GGML)
     message(STATUS "Using system-provided libggml, skipping ggml build")
     find_package(ggml REQUIRED)

tests/test-backend-ops.cpp

@@ -19,6 +19,7 @@
 #include <ggml-alloc.h>
 #include <ggml-backend.h>
 #include <ggml-cpp.h>
+#include <ggml-cpu.h>
 
 #include <algorithm>
 #include <array>
@@ -6704,6 +6705,9 @@ static bool test_backend(ggml_backend_t backend, test_mode mode, const char * op
             return false;
         }
 
+        // TODO: find a better way to set the number of threads for the CPU backend
+        ggml_backend_cpu_set_n_threads(backend_cpu, N_THREADS);
+
         size_t n_ok = 0;
         for (auto & test : test_cases) {
             if (test->eval(backend, backend_cpu, op_names_filter, output_printer)) {