sync : ggml

ggml/include/ggml.h

@@ -2095,9 +2095,6 @@ extern "C" {
     GGML_API struct ggml_tensor * ggml_graph_get_grad    (const struct ggml_cgraph * cgraph, const struct ggml_tensor * node);
     GGML_API struct ggml_tensor * ggml_graph_get_grad_acc(const struct ggml_cgraph * cgraph, const struct ggml_tensor * node);
 
-    GGML_API void                 ggml_graph_export(const struct ggml_cgraph * cgraph, const char * fname);
-    GGML_API struct ggml_cgraph * ggml_graph_import(const char * fname, struct ggml_context ** ctx_data, struct ggml_context ** ctx_eval);
-
     // print info and performance information for the graph
     GGML_API void ggml_graph_print(const struct ggml_cgraph * cgraph);
 

ggml/src/CMakeLists.txt

@@ -196,6 +196,7 @@ add_library(ggml-base
             ../include/ggml-opt.h
             ../include/gguf.h
             ggml.c
+            ggml.cpp
             ggml-alloc.c
             ggml-backend.cpp
             ggml-opt.cpp
@@ -226,6 +227,7 @@ function(ggml_add_backend_library backend)
         set_target_properties(${backend} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${CMAKE_RUNTIME_OUTPUT_DIRECTORY})
         target_compile_definitions(${backend} PRIVATE GGML_BACKEND_DL)
         add_dependencies(ggml ${backend})
+        install(TARGETS ${backend} LIBRARY DESTINATION ${CMAKE_INSTALL_BINDIR})
     else()
         add_library(${backend} ${ARGN})
         target_link_libraries(ggml PUBLIC ${backend})

ggml/src/ggml-blas/CMakeLists.txt

@@ -81,7 +81,7 @@ if (BLAS_FOUND)
     target_link_libraries     (ggml-blas PRIVATE ${BLAS_LIBRARIES})
     target_include_directories(ggml-blas PRIVATE ${BLAS_INCLUDE_DIRS})
 else()
-    message(ERROR "BLAS not found, please refer to "
-                  "https://cmake.org/cmake/help/latest/module/FindBLAS.html#blas-lapack-vendors"
-                  " to set correct GGML_BLAS_VENDOR")
+    message(FATAL_ERROR "BLAS not found, please refer to "
+                        "https://cmake.org/cmake/help/latest/module/FindBLAS.html#blas-lapack-vendors"
+                        " to set correct GGML_BLAS_VENDOR")
 endif()

ggml/src/ggml-impl.h

@@ -32,6 +32,8 @@
 extern "C" {
 #endif
 
+void ggml_print_backtrace(void);
+
 #ifndef MIN
 #    define MIN(a, b) ((a) < (b) ? (a) : (b))
 #endif

ggml/src/ggml-sycl/CMakeLists.txt

@@ -13,7 +13,7 @@ elseif(SUPPORTS_SYCL)
         If you expected the oneAPI Release compiler, please install oneAPI & source it, like:
         source /opt/intel/oneapi/setvars.sh")
 else()
-    message(FATAL_ERROR, "C++ compiler lacks SYCL support.")
+    message(FATAL_ERROR "C++ compiler lacks SYCL support.")
 endif()
 message(STATUS "SYCL found")
 #todo: AOT
@@ -170,7 +170,7 @@ else()
         target_compile_definitions(ggml-sycl PRIVATE GGML_SYCL_NVIDIA)
     elseif (GGML_SYCL_TARGET STREQUAL "AMD")
         if (NOT GGML_SYCL_DEVICE_ARCH)
-            message(ERROR "Can't enable SYCL hip backend, GGML_SYCL_DEVICE_ARCH has not been set.")
+            message(FATAL_ERROR "Can't enable SYCL hip backend, GGML_SYCL_DEVICE_ARCH has not been set.")
         endif()
         target_link_libraries(ggml-sycl PRIVATE ONEMATH::onemath_blas_rocblas)
         target_compile_options(ggml-sycl PRIVATE "-fsycl-targets=amdgcn-amd-amdhsa")

ggml/src/ggml-vulkan/ggml-vulkan.cpp

@@ -1652,7 +1652,7 @@ static std::array<uint32_t, 2> fa_rows_cols(FaCodePath path, uint32_t D, uint32_
         return {64, 32};
     }
     return {64, 64};
-};
+}
 
 static bool ggml_vk_matmul_shmem_support(const vk_device& device, const std::vector<uint32_t>& warptile, bool mul_mat_id, ggml_type src0_type) {
 

ggml/src/ggml.c

@@ -133,7 +133,7 @@ static void ggml_print_backtrace_symbols(void) {
 }
 #endif
 
-static void ggml_print_backtrace(void) {
+void ggml_print_backtrace(void) {
     const char * GGML_NO_BACKTRACE = getenv("GGML_NO_BACKTRACE");
     if (GGML_NO_BACKTRACE) {
         return;
@@ -160,13 +160,18 @@ static void ggml_print_backtrace(void) {
     const int parent_pid = getpid();
     const int child_pid = fork();
     if (child_pid < 0) { // error
+#if defined(__linux__)
+        close(lock[1]);
+        close(lock[0]);
+#endif
         return;
     } else if (child_pid == 0) { // child
         char attach[32];
         snprintf(attach, sizeof(attach), "attach %d", parent_pid);
 #if defined(__linux__)
         close(lock[1]);
         (void) !read(lock[0], lock, 1);
+        close(lock[0]);
 #endif
         // try gdb
         execlp("gdb", "gdb", "--batch",
@@ -195,7 +200,7 @@ static void ggml_print_backtrace(void) {
     }
 }
 #else
-static void ggml_print_backtrace(void) {
+void ggml_print_backtrace(void) {
     // platform not supported
 }
 #endif
@@ -216,6 +221,8 @@ void ggml_abort(const char * file, int line, const char * fmt, ...) {
     abort();
 }
 
+// ggml_print_backtrace is registered with std::set_terminate by ggml.cpp
+
 //
 // logging
 //

ggml/src/ggml.cpp

@@ -0,0 +1,26 @@
+#include "ggml-impl.h"
+
+#include <cstdlib>
+#include <exception>
+
+static std::terminate_handler previous_terminate_handler;
+
+GGML_NORETURN static void ggml_uncaught_exception() {
+    ggml_print_backtrace();
+    if (previous_terminate_handler) {
+        previous_terminate_handler();
+    }
+    abort(); // unreachable unless previous_terminate_handler was nullptr
+}
+
+static bool ggml_uncaught_exception_init = []{
+    const char * GGML_NO_BACKTRACE = getenv("GGML_NO_BACKTRACE");
+    if (GGML_NO_BACKTRACE) {
+        return false;
+    }
+    const auto prev{std::get_terminate()};
+    GGML_ASSERT(prev != ggml_uncaught_exception);
+    previous_terminate_handler = prev;
+    std::set_terminate(ggml_uncaught_exception);
+    return true;
+}();

scripts/sync-ggml.last

@@ -1 +1 @@
-06b715f4c170232af261425240914fa49c44f982
+94a83ba5a725ae2aee79df75dd99b2119d0478cc