Function ggml_aligned_malloc

subprojects/llama.cpp/ggml/src/ggml.c:316–370

void * ggml_aligned_malloc(size_t size) {
#if defined(__s390x__)
    const int alignment = 256;
#else
    const int alignment = 64;
#endif

#if defined(_MSC_VER) || defined(__MINGW32__)
    return _aligned_malloc(size, alignment);
#else
    if (size == 0) {
        GGML_LOG_WARN("Behavior may be unexpected when allocating 0 bytes for ggml_aligned_malloc!\n");
        return NULL;
    }
    void * aligned_memory = NULL;
  #ifdef GGML_USE_CPU_HBM
    int result = hbw_posix_memalign(&aligned_memory, alignment, size);
  #elif TARGET_OS_OSX
    GGML_UNUSED(alignment);
    kern_return_t alloc_status = vm_allocate((vm_map_t) mach_task_self(), (vm_address_t *) &aligned_memory, size, VM_FLAGS_ANYWHERE);
    int result = EFAULT;
    switch (alloc_status) {
        case KERN_SUCCESS:
            result = 0;
            break;
        case KERN_INVALID_ADDRESS:
            result = EINVAL;
            break;
        case KERN_NO_SPACE:
            result = ENOMEM;
            break;
        default:
            result = EFAULT;
            break;
    }
  #else
    int result = posix_memalign(&aligned_memory, alignment, size);
  #endif
    if (result != 0) {
        // Handle allocation failure
        const char *error_desc = "unknown allocation error";
        switch (result) {
            case EINVAL:
                error_desc = "invalid alignment value";
                break;
            case ENOMEM:
                error_desc = "insufficient memory";
                break;
        }
        GGML_LOG_ERROR("%s: %s (attempted to allocate %6.2f MB)\n", __func__, error_desc, size/(1024.0*1024.0));
        return NULL;
    }
    return aligned_memory;
#endif
}

void ggml_aligned_free(void * ptr, size_t size) {
    GGML_UNUSED(size);