diff --git a/llm/ext_server/ext_server.cpp b/llm/ext_server/ext_server.cpp
index 0d879e1e..7a6558b4 100644
--- a/llm/ext_server/ext_server.cpp
+++ b/llm/ext_server/ext_server.cpp
@@ -125,7 +125,7 @@ void llama_server_init(ext_server_params *sparams, ext_server_resp_t *err) {
       return;
     }
 
-    llama->initialize();
+    llama->init();
   } catch (std::exception &e) {
     err->id = -1;
     snprintf(err->msg, err->msg_len, "exception %s", e.what());
diff --git a/llm/generate/gen_darwin.sh b/llm/generate/gen_darwin.sh
index 4b806b02..e0040453 100755
--- a/llm/generate/gen_darwin.sh
+++ b/llm/generate/gen_darwin.sh
@@ -60,12 +60,19 @@ case "${GOARCH}" in
     compress_libs
     ;;
 "arm64")
-    CMAKE_DEFS="${COMMON_DARWIN_DEFS} -DLLAMA_ACCELERATE=on -DCMAKE_SYSTEM_PROCESSOR=${ARCH} -DCMAKE_OSX_ARCHITECTURES=${ARCH} -DLLAMA_METAL=on ${CMAKE_DEFS}"
+    # bundle ggml-common.h and ggml-metal.metal into a single file
+    grep -v '#include "ggml-common.h"' "${LLAMACPP_DIR}/ggml-metal.metal" | grep -v '#pragma once' > "${LLAMACPP_DIR}/ggml-metal.metal.temp"
+    echo '#define GGML_COMMON_IMPL_METAL' > "${LLAMACPP_DIR}/ggml-metal.metal"
+    cat "${LLAMACPP_DIR}/ggml-common.h" | grep -v '#pragma once' >> "${LLAMACPP_DIR}/ggml-metal.metal"
+    cat  "${LLAMACPP_DIR}/ggml-metal.metal.temp" >> "${LLAMACPP_DIR}/ggml-metal.metal"
+    rm "${LLAMACPP_DIR}/ggml-metal.metal.temp"
+    CMAKE_DEFS="${COMMON_DARWIN_DEFS} -DLLAMA_METAL_EMBED_LIBRARY=on -DLLAMA_ACCELERATE=on -DCMAKE_SYSTEM_PROCESSOR=${ARCH} -DCMAKE_OSX_ARCHITECTURES=${ARCH} -DLLAMA_METAL=on ${CMAKE_DEFS}"
     BUILD_DIR="${LLAMACPP_DIR}/build/darwin/${ARCH}/metal"
     EXTRA_LIBS="${EXTRA_LIBS} -framework Accelerate -framework Foundation -framework Metal -framework MetalKit -framework MetalPerformanceShaders"
     build
     sign ${LLAMACPP_DIR}/build/darwin/${ARCH}/metal/lib/libext_server.dylib
     compress_libs
+    (cd ${LLAMACPP_DIR} && git checkout ggml-metal.metal)
     ;;
 *)
     echo "GOARCH must be set"
diff --git a/llm/llama.cpp b/llm/llama.cpp
index c2101a2e..77d1ac7e 160000
--- a/llm/llama.cpp
+++ b/llm/llama.cpp
@@ -1 +1 @@
-Subproject commit c2101a2e909ac7c08976d414e64e96c90ee5fa9e
+Subproject commit 77d1ac7e00bf049b9f2bba1b5a310a78318c49c4
diff --git a/llm/patches/02-cudaleaks.diff b/llm/patches/02-cudaleaks.diff
index 0c4298ba..79053f0e 100644
--- a/llm/patches/02-cudaleaks.diff
+++ b/llm/patches/02-cudaleaks.diff
@@ -1,10 +1,10 @@
 diff --git a/examples/server/server.cpp b/examples/server/server.cpp
-index f255ad76..5b83acb1 100644
+index b14cca61..02bfd4b1 100644
 --- a/examples/server/server.cpp
 +++ b/examples/server/server.cpp
-@@ -28,6 +28,10 @@
- #include <thread>
+@@ -29,6 +29,10 @@
  #include <signal.h>
+ #include <memory>
  
 +#ifdef GGML_USE_CUBLAS
 +extern "C" GGML_CALL void ggml_free_cublas(void);
@@ -13,7 +13,7 @@ index f255ad76..5b83acb1 100644
  using json = nlohmann::json;
  
  bool server_verbose = false;
-@@ -648,6 +652,10 @@ struct server_context {
+@@ -664,6 +668,10 @@ struct server_context {
              llama_free_model(model);
              model = nullptr;
          }
@@ -24,7 +24,7 @@ index f255ad76..5b83acb1 100644
      }
  
      bool load_model(const gpt_params & params_) {
-@@ -3339,6 +3347,7 @@ int main(int argc, char ** argv) {
+@@ -3499,6 +3507,7 @@ int main(int argc, char ** argv) {
      sigemptyset (&sigint_action.sa_mask);
      sigint_action.sa_flags = 0;
      sigaction(SIGINT, &sigint_action, NULL);
@@ -33,10 +33,10 @@ index f255ad76..5b83acb1 100644
      auto console_ctrl_handler = +[](DWORD ctrl_type) -> BOOL {
          return (ctrl_type == CTRL_C_EVENT) ? (signal_handler(SIGINT), true) : false;
 diff --git a/ggml-cuda.cu b/ggml-cuda.cu
-index 72bcec8c..50a45e3d 100644
+index c207ff87..945708a4 100644
 --- a/ggml-cuda.cu
 +++ b/ggml-cuda.cu
-@@ -43,6 +43,7 @@
+@@ -46,6 +46,7 @@
  #define __shfl_xor_sync(mask, var, laneMask, width) __shfl_xor(var, laneMask, width)
  #define cublasComputeType_t hipblasDatatype_t //deprecated, new hipblasComputeType_t not in 5.6
  #define cublasCreate hipblasCreate
@@ -44,7 +44,7 @@ index 72bcec8c..50a45e3d 100644
  #define cublasGemmEx hipblasGemmEx
  #define cublasGemmBatchedEx hipblasGemmBatchedEx
  #define cublasGemmStridedBatchedEx hipblasGemmStridedBatchedEx
-@@ -8751,10 +8752,10 @@ GGML_CALL bool ggml_cublas_loaded(void) {
+@@ -8014,10 +8015,10 @@ GGML_CALL bool ggml_cublas_loaded(void) {
      return g_cublas_loaded;
  }
  
@@ -58,7 +58,7 @@ index 72bcec8c..50a45e3d 100644
  
  #ifdef __HIP_PLATFORM_AMD__
          // Workaround for a rocBLAS bug when using multiple graphics cards:
-@@ -8764,7 +8765,7 @@ GGML_CALL void ggml_init_cublas() {
+@@ -8027,7 +8028,7 @@ GGML_CALL void ggml_init_cublas() {
  #endif
  
          if (cudaGetDeviceCount(&g_device_count) != cudaSuccess) {
@@ -67,7 +67,7 @@ index 72bcec8c..50a45e3d 100644
              g_cublas_loaded = false;
              fprintf(stderr, "%s: no " GGML_CUDA_NAME " devices found, " GGML_CUDA_NAME " will be disabled\n", __func__);
              return;
-@@ -8835,7 +8836,7 @@ GGML_CALL void ggml_init_cublas() {
+@@ -8098,7 +8099,7 @@ GGML_CALL void ggml_init_cublas() {
          // configure logging to stdout
          // CUBLAS_CHECK(cublasLoggerConfigure(1, 1, 0, nullptr));
  
@@ -76,11 +76,12 @@ index 72bcec8c..50a45e3d 100644
          g_cublas_loaded = true;
      }
  }
-@@ -12490,3 +12491,22 @@ GGML_CALL int ggml_backend_cuda_reg_devices() {
+@@ -11753,3 +11754,23 @@ GGML_CALL int ggml_backend_cuda_reg_devices() {
      }
      return device_count;
  }
 +
++
 +extern "C" GGML_CALL void ggml_free_cublas(void);
 +GGML_CALL void ggml_free_cublas(void) {
 +    for (int id = 0; id < g_device_count; ++id) {
diff --git a/llm/payload_common.go b/llm/payload_common.go
index 500d0582..010ba73d 100644
--- a/llm/payload_common.go
+++ b/llm/payload_common.go
@@ -108,20 +108,8 @@ func nativeInit() error {
 	if err != nil {
 		return err
 	}
-	slog.Info(fmt.Sprintf("Extracting dynamic libraries to %s ...", payloadsDir))
 
-	if runtime.GOOS == "darwin" {
-		err := extractPayloadFiles(payloadsDir, "llama.cpp/ggml-metal.metal")
-		if err != nil {
-			if err == payloadMissing {
-				// TODO perhaps consider this a hard failure on arm macs?
-				slog.Info("ggml-meta.metal payload missing")
-				return nil
-			}
-			return err
-		}
-		os.Setenv("GGML_METAL_PATH_RESOURCES", payloadsDir)
-	}
+	slog.Info(fmt.Sprintf("Extracting dynamic libraries to %s ...", payloadsDir))
 
 	libs, err := extractDynamicLibs(payloadsDir, "llama.cpp/build/*/*/*/lib/*")
 	if err != nil {
@@ -211,44 +199,6 @@ func extractDynamicLibs(payloadsDir, glob string) ([]string, error) {
 	return libs, g.Wait()
 }
 
-func extractPayloadFiles(payloadsDir, glob string) error {
-	files, err := fs.Glob(libEmbed, glob)
-	if err != nil || len(files) == 0 {
-		return payloadMissing
-	}
-
-	for _, file := range files {
-		srcFile, err := libEmbed.Open(file)
-		if err != nil {
-			return fmt.Errorf("read payload %s: %v", file, err)
-		}
-		defer srcFile.Close()
-		if err := os.MkdirAll(payloadsDir, 0o755); err != nil {
-			return fmt.Errorf("create payload lib dir %s: %v", payloadsDir, err)
-		}
-		src := io.Reader(srcFile)
-		filename := file
-		if strings.HasSuffix(file, ".gz") {
-			src, err = gzip.NewReader(src)
-			if err != nil {
-				return fmt.Errorf("decompress payload %s: %v", file, err)
-			}
-			filename = strings.TrimSuffix(filename, ".gz")
-		}
-
-		destFile := filepath.Join(payloadsDir, filepath.Base(filename))
-		destFp, err := os.OpenFile(destFile, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0o755)
-		if err != nil {
-			return fmt.Errorf("write payload %s: %v", file, err)
-		}
-		defer destFp.Close()
-		if _, err := io.Copy(destFp, src); err != nil {
-			return fmt.Errorf("copy payload %s: %v", file, err)
-		}
-	}
-	return nil
-}
-
 func verifyDriverAccess() error {
 	if runtime.GOOS != "linux" {
 		return nil
diff --git a/llm/payload_darwin_amd64.go b/llm/payload_darwin_amd64.go
index a1c70ba9..dfeeb9cf 100644
--- a/llm/payload_darwin_amd64.go
+++ b/llm/payload_darwin_amd64.go
@@ -4,5 +4,5 @@ import (
 	"embed"
 )
 
-//go:embed llama.cpp/ggml-metal.metal llama.cpp/build/darwin/x86_64/*/lib/*.dylib*
+//go:embed llama.cpp/build/darwin/x86_64/*/lib/*.dylib*
 var libEmbed embed.FS