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metal : fix issue with ggml-metal.metal path. Closes #1769 (#1782)

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* Fix issue with ggml-metal.metal path

* Add ggml-metal.metal as a resource for llama target

* Update flake.nix metal kernel substitution
This commit is contained in:
Andrei 2023-06-10 10:47:34 -04:00 committed by GitHub
parent 059e99066d
commit 303f5809f1
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 15 additions and 2 deletions
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6
CMakeLists.txt
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@ -218,6 +218,9 @@ if (LLAMA_METAL)
# copy ggml-metal.metal to bin directory
configure_file(ggml-metal.metal bin/ggml-metal.metal COPYONLY)
if (LLAMA_METAL)
set_target_properties(llama PROPERTIES RESOURCE "${CMAKE_CURRENT_SOURCE_DIR}/ggml-metal.metal")
endif()
set(LLAMA_EXTRA_LIBS ${LLAMA_EXTRA_LIBS}
${FOUNDATION_LIBRARY}
@ -432,6 +435,9 @@ target_link_libraries(llama PRIVATE
if (BUILD_SHARED_LIBS)
set_target_properties(llama PROPERTIES POSITION_INDEPENDENT_CODE ON)
target_compile_definitions(llama PRIVATE LLAMA_SHARED LLAMA_BUILD)
if (LLAMA_METAL)
set_target_properties(llama PROPERTIES RESOURCE "${CMAKE_CURRENT_SOURCE_DIR}/ggml-metal.metal")
endif()
endif()
if (GGML_SOURCES_CUDA)

2
flake.nix
View File

@ -28,7 +28,7 @@
postPatch =
if isM1 then ''
substituteInPlace ./ggml-metal.m \
--replace '[[NSBundle mainBundle] pathForResource:@"ggml-metal" ofType:@"metal"];' "@\"$out/ggml-metal.metal\";"
--replace '[bundle pathForResource:@"ggml-metal" ofType:@"metal"];' "@\"$out/ggml-metal.metal\";"
'' else "";
nativeBuildInputs = with pkgs; [ cmake ];
buildInputs = osSpecific;

9
ggml-metal.m
View File

@ -73,6 +73,12 @@ struct ggml_metal_context {
// for now it is easier to work in a separate file
static NSString * const msl_library_source = @"see metal.metal";
// Here to assist with NSBundle Path Hack
@interface GGMLMetalClass : NSObject
@end
@implementation GGMLMetalClass
@end
struct ggml_metal_context * ggml_metal_init(void) {
fprintf(stderr, "%s: allocating\n", __func__);
@ -108,7 +114,8 @@ struct ggml_metal_context * ggml_metal_init(void) {
NSError * error = nil;
//NSString * path = [[NSBundle mainBundle] pathForResource:@"../../examples/metal/metal" ofType:@"metal"];
NSString * path = [[NSBundle mainBundle] pathForResource:@"ggml-metal" ofType:@"metal"];
NSBundle * bundle = [NSBundle bundleForClass:[GGMLMetalClass class]];
NSString * path = [bundle pathForResource:@"ggml-metal" ofType:@"metal"];
fprintf(stderr, "%s: loading '%s'\n", __func__, [path UTF8String]);
NSString * src = [NSString stringWithContentsOfFile:path encoding:NSUTF8StringEncoding error:&error];