diff --git a/scripts/sync-ggml-am.sh b/scripts/sync-ggml-am.sh
new file mode 100755
index 000000000..83abe3681
--- /dev/null
+++ b/scripts/sync-ggml-am.sh
@@ -0,0 +1,131 @@
+#!/bin/bash
+#
+# Synchronize ggml changes to llama.cpp
+#
+# Usage:
+#
+#   $ cd /path/to/llama.cpp
+#   $ ./scripts/sync-ggml-am.sh
+#
+
+set -e
+
+sd=$(dirname $0)
+cd $sd/../
+
+SRC_LLAMA=$(pwd)
+SRC_GGML=$(cd ../ggml; pwd)
+
+if [ ! -d $SRC_GGML ]; then
+    echo "ggml not found at $SRC_GGML"
+    exit 1
+fi
+
+lc=$(cat $SRC_LLAMA/scripts/sync-ggml.last)
+echo "Syncing ggml changes since commit $lc"
+
+cd $SRC_GGML
+
+git log --oneline $lc..HEAD
+
+git format-patch $lc --stdout -- \
+    include/ggml/ggml*.h \
+    src/ggml*.h \
+    src/ggml*.c \
+    src/ggml*.cpp \
+    src/ggml*.m \
+    src/ggml*.metal \
+    src/ggml*.cu \
+    tests/test-opt.cpp \
+    tests/test-grad0.cpp \
+    tests/test-quantize-fns.cpp \
+    tests/test-quantize-perf.cpp \
+    tests/test-backend-ops.cpp \
+    > $SRC_LLAMA/ggml-src.patch
+
+# delete files if empty
+if [ ! -s $SRC_LLAMA/ggml-src.patch ]; then
+    rm -v $SRC_LLAMA/ggml-src.patch
+fi
+
+cd $SRC_LLAMA
+
+if [ -f $SRC_LLAMA/ggml-src.patch ]; then
+    # replace PR numbers
+    #
+    # Subject: some text (#1234)
+    # Subject: some text (ggml/1234)
+    cat ggml-src.patch | sed -e 's/^Subject: \(.*\) (#\([0-9]*\))/Subject: \1 (ggml\/\2)/' > ggml-src.patch.tmp
+    mv ggml-src.patch.tmp ggml-src.patch
+
+    cat ggml-src.patch | sed -e 's/^\(.*\) (#\([0-9]*\))$/\1 (ggml\/\2)/' > ggml-src.patch.tmp
+    mv ggml-src.patch.tmp ggml-src.patch
+
+    # replace filenames:
+    #
+    # src/ggml.c                  -> ggml.c
+    # src/ggml-alloc.c            -> ggml-alloc.c
+    # src/ggml-backend-impl.h     -> ggml-backend-impl.h
+    # src/ggml-backend.c          -> ggml-backend.c
+    # src/ggml-cuda.cu            -> ggml-cuda.cu
+    # src/ggml-cuda.h             -> ggml-cuda.h
+    # src/ggml-impl.h             -> ggml-impl.h
+    # src/ggml-metal.h            -> ggml-metal.h
+    # src/ggml-metal.m            -> ggml-metal.m
+    # src/ggml-metal.metal        -> ggml-metal.metal
+    # src/ggml-mpi.h              -> ggml-mpi.h
+    # src/ggml-mpi.c              -> ggml-mpi.c
+    # src/ggml-opencl.cpp         -> ggml-opencl.cpp
+    # src/ggml-opencl.h           -> ggml-opencl.h
+    # src/ggml-quants.c           -> ggml-quants.c
+    # src/ggml-quants.h           -> ggml-quants.h
+    # include/ggml/ggml.h         -> ggml.h
+    # include/ggml/ggml-alloc.h   -> ggml-alloc.h
+    # include/ggml/ggml-backend.h -> ggml-backend.h
+    #
+    # tests/test-opt.cpp           -> tests/test-opt.cpp
+    # tests/test-grad0.cpp         -> tests/test-grad0.cpp
+    # tests/test-quantize-fns.cpp  -> tests/test-quantize-fns.cpp
+    # tests/test-quantize-perf.cpp -> tests/test-quantize-perf.cpp
+    # tests/test-backend-ops.cpp   -> tests/test-backend-ops.cpp
+
+    cat ggml-src.patch | sed \
+        -e 's/src\/ggml\.c/ggml.c/g' \
+        -e 's/src\/ggml-alloc\.c/ggml-alloc.c/g' \
+        -e 's/src\/ggml-backend-impl\.h/ggml-backend-impl.h/g' \
+        -e 's/src\/ggml-backend\.c/ggml-backend.c/g' \
+        -e 's/src\/ggml-cuda\.cu/ggml-cuda.cu/g' \
+        -e 's/src\/ggml-cuda\.h/ggml-cuda.h/g' \
+        -e 's/src\/ggml-impl\.h/ggml-impl.h/g' \
+        -e 's/src\/ggml-metal\.h/ggml-metal.h/g' \
+        -e 's/src\/ggml-metal\.m/ggml-metal.m/g' \
+        -e 's/src\/ggml-metal\.metal/ggml-metal.metal/g' \
+        -e 's/src\/ggml-mpi\.h/ggml-mpi.h/g' \
+        -e 's/src\/ggml-mpi\.c/ggml-mpi.c/g' \
+        -e 's/src\/ggml-opencl\.cpp/ggml-opencl.cpp/g' \
+        -e 's/src\/ggml-opencl\.h/ggml-opencl.h/g' \
+        -e 's/src\/ggml-quants\.c/ggml-quants.c/g' \
+        -e 's/src\/ggml-quants\.h/ggml-quants.h/g' \
+        -e 's/include\/ggml\/ggml\.h/ggml.h/g' \
+        -e 's/include\/ggml\/ggml-alloc\.h/ggml-alloc.h/g' \
+        -e 's/include\/ggml\/ggml-backend\.h/ggml-backend.h/g' \
+        -e 's/tests\/test-opt\.cpp/tests\/test-opt.cpp/g' \
+        -e 's/tests\/test-grad0\.cpp/tests\/test-grad0.cpp/g' \
+        -e 's/tests\/test-quantize-fns\.cpp/tests\/test-quantize-fns.cpp/g' \
+        -e 's/tests\/test-quantize-perf\.cpp/tests\/test-quantize-perf.cpp/g' \
+        -e 's/tests\/test-backend-ops\.cpp/tests\/test-backend-ops.cpp/g' \
+        > ggml-src.patch.tmp
+    mv ggml-src.patch.tmp ggml-src.patch
+
+    git am ggml-src.patch
+
+    rm -v $SRC_LLAMA/ggml-src.patch
+fi
+
+# update last commit
+cd $SRC_GGML
+git log -1 --format=%H > $SRC_LLAMA/scripts/sync-ggml.last
+
+echo "Done"
+
+exit 0
diff --git a/scripts/sync-ggml.last b/scripts/sync-ggml.last
new file mode 100644
index 000000000..1ec144116
--- /dev/null
+++ b/scripts/sync-ggml.last
@@ -0,0 +1 @@
+76e7f47b69e8334384dc718480c496dafbd47999