diff options
Diffstat (limited to 'ggml-metal.m')
-rw-r--r-- | ggml-metal.m | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/ggml-metal.m b/ggml-metal.m index 3cb423a..82c6596 100644 --- a/ggml-metal.m +++ b/ggml-metal.m @@ -195,14 +195,25 @@ bool ggml_metal_add_buffer( } } + size_t page_size = getpagesize(); + size_t aligned_size = size; + if ((aligned_size % page_size) != 0) { + aligned_size += (page_size - (aligned_size % page_size)); + } + ctx->buffers[ctx->n_buffers].name = name; ctx->buffers[ctx->n_buffers].data = data; ctx->buffers[ctx->n_buffers].size = size; - ctx->buffers[ctx->n_buffers].metal = [ctx->device newBufferWithBytes:data length:size options:MTLResourceStorageModeShared]; + ctx->buffers[ctx->n_buffers].metal = [ctx->device newBufferWithBytesNoCopy:data length:aligned_size options:MTLResourceStorageModeShared deallocator:nil]; - ++ctx->n_buffers; + if (ctx->buffers[ctx->n_buffers].metal == nil) { + fprintf(stderr, "%s: failed to allocate '%-16s' buffer, size = %8.2f MB\n", __func__, name, aligned_size / 1024.0 / 1024.0); + return false; + } else { + fprintf(stderr, "%s: allocated '%-16s' buffer, size = %8.2f MB\n", __func__, name, aligned_size / 1024.0 / 1024.0); + } - fprintf(stderr, "%s: allocated '%-16s' buffer, size = %8.2f MB\n", __func__, name, size / 1024.0 / 1024.0); + ++ctx->n_buffers; } return true; |