diff options
| -rw-r--r-- | CMakeLists.txt | 9 | ||||
| -rw-r--r-- | Makefile | 5 | ||||
| -rw-r--r-- | ggml-quants.c | 5 |
3 files changed, 19 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 7b4eb184..db1f42f1 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -458,6 +458,15 @@ if (LLAMA_LTO) endif() endif() +# this version of Apple ld64 is buggy +execute_process( + COMMAND ${CMAKE_C_COMPILER} ${CMAKE_EXE_LINKER_FLAGS} -Wl,-v + ERROR_VARIABLE output +) +if (output MATCHES "dyld-1015\.7") + add_compile_definitions(HAVE_BUGGY_APPLE_LINKER) +endif() + # Architecture specific # TODO: probably these flags need to be tweaked on some architectures # feel free to update the Makefile for your architecture and send a pull request or issue @@ -239,6 +239,11 @@ else endif endif +# this version of Apple ld64 is buggy +ifneq '' '$(findstring dyld-1015.7,$(shell $(CC) $(LDFLAGS) -Wl,-v 2>&1))' + MK_CPPFLAGS += -DHAVE_BUGGY_APPLE_LINKER +endif + # OS specific # TODO: support Windows ifneq '' '$(filter $(UNAME_S),Linux Darwin FreeBSD NetBSD OpenBSD Haiku)' diff --git a/ggml-quants.c b/ggml-quants.c index a48eda73..cf2860b8 100644 --- a/ggml-quants.c +++ b/ggml-quants.c @@ -1368,7 +1368,12 @@ static float make_qkx2_quants(int n, int nmax, const float * restrict x, const f float max = x[0]; float sum_w = weights[0]; float sum_x = sum_w * x[0]; +#ifdef HAVE_BUGGY_APPLE_LINKER + // use 'volatile' to prevent unroll and work around a bug in Apple ld64 1015.7 + for (volatile int i = 1; i < n; ++i) { +#else for (int i = 1; i < n; ++i) { +#endif if (x[i] < min) min = x[i]; if (x[i] > max) max = x[i]; float w = weights[i]; |