From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Daniel Hiltgen Date: Wed, 30 Jul 2025 08:43:46 -0700 Subject: [PATCH] BF16 macos version guard Only enable BF16 on supported MacOS versions (v14+) --- ggml/src/ggml-metal/ggml-metal-context.m | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/ggml/src/ggml-metal/ggml-metal-context.m b/ggml/src/ggml-metal/ggml-metal-context.m index 052efb7a..b47dc787 100644 --- a/ggml/src/ggml-metal/ggml-metal-context.m +++ b/ggml/src/ggml-metal/ggml-metal-context.m @@ -125,7 +125,12 @@ ggml_metal_t ggml_metal_init(ggml_metal_device_t dev) { res->d_queue = dispatch_queue_create("ggml-metal", DISPATCH_QUEUE_CONCURRENT); - res->use_bfloat = props_dev->has_bfloat; + if (@available(macOS 14.0, *)) { + res->use_bfloat = props_dev->has_bfloat; + } else { + res->use_bfloat = false; + } + res->use_fusion = getenv("GGML_METAL_FUSION_DISABLE") == nil; res->use_concurrency = getenv("GGML_METAL_CONCURRENCY_DISABLE") == nil;