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Fix MacOS Sonoma model quantization (#4052)

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Co-authored-by: Jared Van Bortel <jared@nomic.ai>
Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>
This commit is contained in:
Michael Potter
2023-11-14 09:34:41 -08:00
committed by GitHub
parent 36eed0c42c
commit 6bb4908a17
3 changed files with 19 additions and 0 deletions
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9
CMakeLists.txt
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@@ -458,6 +458,15 @@ if (LLAMA_LTO)
endif() endif()
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 # Architecture specific
# TODO: probably these flags need to be tweaked on some architectures # 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 # feel free to update the Makefile for your architecture and send a pull request or issue

5
Makefile
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@@ -239,6 +239,11 @@ else
endif endif
endif endif
# this version of Apple ld64 is buggy
ifneq '' '$(findstring dyld-1015.7,$(shell $(CC) $(LDFLAGS) -Wl,-v 2>&1))'
MK_CPPFLAGS += -DHAVE_BUGGY_APPLE_LINKER
endif
# OS specific # OS specific
# TODO: support Windows # TODO: support Windows
ifneq '' '$(filter $(UNAME_S),Linux Darwin FreeBSD NetBSD OpenBSD Haiku)' ifneq '' '$(filter $(UNAME_S),Linux Darwin FreeBSD NetBSD OpenBSD Haiku)'

5
ggml-quants.c
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@@ -1368,7 +1368,12 @@ static float make_qkx2_quants(int n, int nmax, const float * restrict x, const f
float max = x[0]; float max = x[0];
float sum_w = weights[0]; float sum_w = weights[0];
float sum_x = sum_w * x[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) { for (int i = 1; i < n; ++i) {
#endif
if (x[i] < min) min = x[i]; if (x[i] < min) min = x[i];
if (x[i] > max) max = x[i]; if (x[i] > max) max = x[i];
float w = weights[i]; float w = weights[i];