diff --git a/ggml/src/ggml-metal.metal b/ggml/src/ggml-metal.metal
index d8a65d411..7526643e8 100644
--- a/ggml/src/ggml-metal.metal
+++ b/ggml/src/ggml-metal.metal
@@ -1624,12 +1624,12 @@ inline float block_q_n_dot_y(device const block_q5_1 * qb_curr, float sumy, thre
 //      quantizations where the block size is 32. It also does not
 //      guard against the number of rows not being divisible by
 //      N_DST, so this is another explicit assumption of the implementation.
-template<typename block_q_type, int nr, int nsg, int nw>
+template<typename block_q_type, int nr, int nsg, int nw, typename A>
 void mul_vec_q_n_f32_impl(
         device const void  * src0,
         device const float * src1,
         device       float * dst,
-        ggml_metal_kargs_mul_mv args,
+        A args,
         threadgroup int8_t * shared_values,
         uint3   tgpig,
         uint    tiisg,
@@ -1706,7 +1706,7 @@ kernel void kernel_mul_mv_q4_0_f32(
         uint3 tgpig[[threadgroup_position_in_grid]],
         uint  tiisg[[thread_index_in_simdgroup]],
         uint  sgitg[[simdgroup_index_in_threadgroup]]) {
-    mul_vec_q_n_f32_impl<block_q4_0, N_DST, N_SIMDGROUP, N_SIMDWIDTH>(src0, src1, dst, args, nullptr, tgpig, tiisg, sgitg);
+    mul_vec_q_n_f32_impl<block_q4_0, N_DST, N_SIMDGROUP, N_SIMDWIDTH, constant ggml_metal_kargs_mul_mv &>(src0, src1, dst, args, nullptr, tgpig, tiisg, sgitg);
 }
 
 kernel void kernel_mul_mv_q4_1_f32(
@@ -1715,9 +1715,9 @@ kernel void kernel_mul_mv_q4_1_f32(
         device       float * dst,
         constant ggml_metal_kargs_mul_mv & args,
         uint3 tgpig[[threadgroup_position_in_grid]],
-        uint tiisg[[thread_index_in_simdgroup]],
-        uint sgitg[[simdgroup_index_in_threadgroup]]) {
-     mul_vec_q_n_f32_impl<block_q4_1, N_DST, N_SIMDGROUP, N_SIMDWIDTH>(src0, src1, dst, args, nullptr, tgpig, tiisg, sgitg);
+        uint  tiisg[[thread_index_in_simdgroup]],
+        uint  sgitg[[simdgroup_index_in_threadgroup]]) {
+     mul_vec_q_n_f32_impl<block_q4_1, N_DST, N_SIMDGROUP, N_SIMDWIDTH, constant ggml_metal_kargs_mul_mv &>(src0, src1, dst, args, nullptr, tgpig, tiisg, sgitg);
 }
 
 kernel void kernel_mul_mv_q5_0_f32(
@@ -1728,7 +1728,7 @@ kernel void kernel_mul_mv_q5_0_f32(
         uint3 tgpig[[threadgroup_position_in_grid]],
         uint  tiisg[[thread_index_in_simdgroup]],
         uint  sgitg[[simdgroup_index_in_threadgroup]]) {
-    mul_vec_q_n_f32_impl<block_q5_0, N_DST, N_SIMDGROUP, N_SIMDWIDTH>(src0, src1, dst, args, nullptr, tgpig, tiisg, sgitg);
+    mul_vec_q_n_f32_impl<block_q5_0, N_DST, N_SIMDGROUP, N_SIMDWIDTH, constant ggml_metal_kargs_mul_mv &>(src0, src1, dst, args, nullptr, tgpig, tiisg, sgitg);
 }
 
 kernel void kernel_mul_mv_q5_1_f32(
@@ -1739,16 +1739,17 @@ kernel void kernel_mul_mv_q5_1_f32(
         uint3 tgpig[[threadgroup_position_in_grid]],
         uint  tiisg[[thread_index_in_simdgroup]],
         uint  sgitg[[simdgroup_index_in_threadgroup]]) {
-    mul_vec_q_n_f32_impl<block_q5_1, N_DST, N_SIMDGROUP, N_SIMDWIDTH>(src0, src1, dst, args, nullptr, tgpig, tiisg, sgitg);
+    mul_vec_q_n_f32_impl<block_q5_1, N_DST, N_SIMDGROUP, N_SIMDWIDTH, constant ggml_metal_kargs_mul_mv &>(src0, src1, dst, args, nullptr, tgpig, tiisg, sgitg);
 }
 
 #define NB_Q8_0 8
 
+template<typename A>
 void kernel_mul_mv_q8_0_f32_impl(
         device const  void * src0,
         device const float * src1,
         device       float * dst,
-        ggml_metal_kargs_mul_mv args,
+        A args,
         threadgroup int8_t * shared_values,
                    uint3     tgpig,
                    uint      tiisg,
@@ -1824,17 +1825,17 @@ kernel void kernel_mul_mv_q8_0_f32(
         uint3 tgpig[[threadgroup_position_in_grid]],
         uint  tiisg[[thread_index_in_simdgroup]],
         uint  sgitg[[simdgroup_index_in_threadgroup]]) {
-    kernel_mul_mv_q8_0_f32_impl(src0, src1, dst, args, nullptr, tgpig, tiisg, sgitg);
+    kernel_mul_mv_q8_0_f32_impl<constant ggml_metal_kargs_mul_mv &>(src0, src1, dst, args, nullptr, tgpig, tiisg, sgitg);
 }
 
 #define N_MV_T_T 4
 
-template<typename T0, typename T04, typename T1, typename T14>
+template<typename T0, typename T04, typename T1, typename T14, typename A>
 void kernel_mul_mv_impl(
         device const  char * src0,
         device const  char * src1,
         device       float * dst,
-        ggml_metal_kargs_mul_mv args,
+        A args,
         uint3     tgpig,
         uint      tiisg) {
     const int64_t r0 = tgpig.x;
@@ -1904,7 +1905,7 @@ kernel void kernel_mul_mv(
         constant ggml_metal_kargs_mul_mv & args,
         uint3 tgpig[[threadgroup_position_in_grid]],
         uint  tiisg[[thread_index_in_simdgroup]]) {
-    kernel_mul_mv_impl<T0, T04, T1, T14>(
+    kernel_mul_mv_impl<T0, T04, T1, T14, constant ggml_metal_kargs_mul_mv &>(
         src0,
         src1,
         dst,
@@ -3926,11 +3927,12 @@ kernel void kernel_concat(
     }
 }
 
+template<typename A>
 void kernel_mul_mv_q2_K_f32_impl(
         device const  void * src0,
         device const float * src1,
         device       float * dst,
-        ggml_metal_kargs_mul_mv args,
+        A args,
         threadgroup int8_t * shared_values,
         uint3     tgpig,
         uint      tiisg,
@@ -4025,14 +4027,15 @@ kernel void kernel_mul_mv_q2_K_f32(
         uint  tiisg[[thread_index_in_simdgroup]],
         uint  sgitg[[simdgroup_index_in_threadgroup]]) {
 
-    kernel_mul_mv_q2_K_f32_impl(src0, src1, dst, args, nullptr, tgpig, tiisg, sgitg);
+    kernel_mul_mv_q2_K_f32_impl<constant ggml_metal_kargs_mul_mv &>(src0, src1, dst, args, nullptr, tgpig, tiisg, sgitg);
 }
 
+template<typename A>
 void kernel_mul_mv_q3_K_f32_impl(
         device const  void * src0,
         device const float * src1,
         device       float * dst,
-        ggml_metal_kargs_mul_mv args,
+        A args,
         threadgroup int8_t * shared_values,
         uint3     tgpig,
         uint      tiisg,
@@ -4184,14 +4187,15 @@ kernel void kernel_mul_mv_q3_K_f32(
         uint  tiisg[[thread_index_in_simdgroup]],
         uint  sgitg[[simdgroup_index_in_threadgroup]]) {
 
-    kernel_mul_mv_q3_K_f32_impl(src0, src1, dst, args, nullptr, tgpig, tiisg, sgitg);
+    kernel_mul_mv_q3_K_f32_impl<constant ggml_metal_kargs_mul_mv &>(src0, src1, dst, args, nullptr, tgpig, tiisg, sgitg);
 }
 
+template<typename A>
 void kernel_mul_mv_q4_K_f32_impl(
         device const  void * src0,
         device const float * src1,
         device       float * dst,
-        ggml_metal_kargs_mul_mv args,
+        A args,
         threadgroup int8_t * shared_values,
         uint3     tgpig,
         uint      tiisg,
@@ -4299,14 +4303,15 @@ kernel void kernel_mul_mv_q4_K_f32(
         uint tiisg[[thread_index_in_simdgroup]],
         uint sgitg[[simdgroup_index_in_threadgroup]]) {
 
-    kernel_mul_mv_q4_K_f32_impl(src0, src1, dst, args, nullptr, tgpig, tiisg, sgitg);
+    kernel_mul_mv_q4_K_f32_impl<constant ggml_metal_kargs_mul_mv &>(src0, src1, dst, args, nullptr, tgpig, tiisg, sgitg);
 }
 
+template<typename A>
 void kernel_mul_mv_q5_K_f32_impl(
         device const  void * src0,
         device const float * src1,
         device       float * dst,
-        ggml_metal_kargs_mul_mv args,
+        A args,
         threadgroup int8_t * shared_values,
         uint3     tgpig,
         uint      tiisg,
@@ -4428,14 +4433,15 @@ kernel void kernel_mul_mv_q5_K_f32(
         uint  tiisg[[thread_index_in_simdgroup]],
         uint  sgitg[[simdgroup_index_in_threadgroup]]) {
 
-    kernel_mul_mv_q5_K_f32_impl(src0, src1, dst, args, nullptr, tgpig, tiisg, sgitg);
+    kernel_mul_mv_q5_K_f32_impl<constant ggml_metal_kargs_mul_mv &>(src0, src1, dst, args, nullptr, tgpig, tiisg, sgitg);
 }
 
+template <typename A>
 void kernel_mul_mv_q6_K_f32_impl(
         device const  void * src0,
         device const float * src1,
         device       float * dst,
-        ggml_metal_kargs_mul_mv args,
+        A args,
         threadgroup int8_t * shared_values,
         uint3     tgpig,
         uint      tiisg,
@@ -4516,16 +4522,17 @@ kernel void kernel_mul_mv_q6_K_f32(
         uint  tiisg[[thread_index_in_simdgroup]],
         uint  sgitg[[simdgroup_index_in_threadgroup]]) {
 
-    kernel_mul_mv_q6_K_f32_impl(src0, src1, dst, args, nullptr, tgpig, tiisg, sgitg);
+    kernel_mul_mv_q6_K_f32_impl<constant ggml_metal_kargs_mul_mv &>(src0, src1, dst, args, nullptr, tgpig, tiisg, sgitg);
 }
 
 // ======================= "True" 2-bit
 
+template<typename A>
 void kernel_mul_mv_iq2_xxs_f32_impl(
         device const  void * src0,
         device const float * src1,
         device       float * dst,
-        ggml_metal_kargs_mul_mv args,
+        A args,
         threadgroup int8_t * shared_values,
         uint3     tgpig,
         uint      tiisg,
@@ -4624,14 +4631,15 @@ kernel void kernel_mul_mv_iq2_xxs_f32(
         uint  tiisg[[thread_index_in_simdgroup]],
         uint  sgitg[[simdgroup_index_in_threadgroup]]) {
 
-    kernel_mul_mv_iq2_xxs_f32_impl(src0, src1, dst, args, shared_values, tgpig, tiisg, sgitg);
+    kernel_mul_mv_iq2_xxs_f32_impl<constant ggml_metal_kargs_mul_mv &>(src0, src1, dst, args, shared_values, tgpig, tiisg, sgitg);
 }
 
+template<typename A>
 void kernel_mul_mv_iq2_xs_f32_impl(
         device const  void * src0,
         device const float * src1,
         device       float * dst,
-        ggml_metal_kargs_mul_mv args,
+        A args,
         threadgroup int8_t * shared_values,
         uint3     tgpig,
         uint      tiisg,
@@ -4740,14 +4748,15 @@ kernel void kernel_mul_mv_iq2_xs_f32(
         uint  tiisg[[thread_index_in_simdgroup]],
         uint  sgitg[[simdgroup_index_in_threadgroup]]) {
 
-    kernel_mul_mv_iq2_xs_f32_impl(src0, src1, dst, args, shared_values, tgpig, tiisg, sgitg);
+    kernel_mul_mv_iq2_xs_f32_impl<constant ggml_metal_kargs_mul_mv &>(src0, src1, dst, args, shared_values, tgpig, tiisg, sgitg);
 }
 
+template <typename A>
 void kernel_mul_mv_iq3_xxs_f32_impl(
         device const  void * src0,
         device const float * src1,
         device       float * dst,
-        ggml_metal_kargs_mul_mv args,
+        A args,
         threadgroup int8_t * shared_values,
         uint3     tgpig,
         uint      tiisg,
@@ -4849,14 +4858,15 @@ kernel void kernel_mul_mv_iq3_xxs_f32(
         uint  tiisg[[thread_index_in_simdgroup]],
         uint  sgitg[[simdgroup_index_in_threadgroup]]) {
 
-    kernel_mul_mv_iq3_xxs_f32_impl(src0, src1, dst, args, shared_values, tgpig, tiisg, sgitg);
+    kernel_mul_mv_iq3_xxs_f32_impl<constant ggml_metal_kargs_mul_mv &>(src0, src1, dst, args, shared_values, tgpig, tiisg, sgitg);
 }
 
+template<typename A>
 void kernel_mul_mv_iq3_s_f32_impl(
         device const  void * src0,
         device const float * src1,
         device       float * dst,
-        ggml_metal_kargs_mul_mv args,
+        A args,
         threadgroup int8_t * shared_values,
         uint3     tgpig,
         uint      tiisg,
@@ -4958,14 +4968,15 @@ kernel void kernel_mul_mv_iq3_s_f32(
         uint  tiisg[[thread_index_in_simdgroup]],
         uint  sgitg[[simdgroup_index_in_threadgroup]]) {
 
-    kernel_mul_mv_iq3_s_f32_impl(src0, src1, dst, args, shared_values, tgpig, tiisg, sgitg);
+    kernel_mul_mv_iq3_s_f32_impl<constant ggml_metal_kargs_mul_mv &>(src0, src1, dst, args, shared_values, tgpig, tiisg, sgitg);
 }
 
+template <typename A>
 void kernel_mul_mv_iq2_s_f32_impl(
         device const  void * src0,
         device const float * src1,
         device       float * dst,
-        ggml_metal_kargs_mul_mv args,
+        A args,
         threadgroup int8_t * shared_values,
         uint3     tgpig,
         uint      tiisg,
@@ -5068,14 +5079,15 @@ kernel void kernel_mul_mv_iq2_s_f32(
         uint  tiisg[[thread_index_in_simdgroup]],
         uint  sgitg[[simdgroup_index_in_threadgroup]]) {
 
-    kernel_mul_mv_iq2_s_f32_impl(src0, src1, dst, args, shared_values, tgpig, tiisg, sgitg);
+    kernel_mul_mv_iq2_s_f32_impl<constant ggml_metal_kargs_mul_mv &>(src0, src1, dst, args, shared_values, tgpig, tiisg, sgitg);
 }
 
+template<typename A>
 void kernel_mul_mv_iq1_s_f32_impl(
         device const  void * src0,
         device const float * src1,
         device       float * dst,
-        ggml_metal_kargs_mul_mv args,
+        A args,
         threadgroup int8_t * shared_value,
         uint3     tgpig,
         uint      tiisg,
@@ -5154,11 +5166,12 @@ void kernel_mul_mv_iq1_s_f32_impl(
     }
 }
 
+template <typename A>
 void kernel_mul_mv_iq1_m_f32_impl(
         device const  void * src0,
         device const float * src1,
         device       float * dst,
-        ggml_metal_kargs_mul_mv args,
+        A args,
         threadgroup int8_t * shared_value,
         uint3     tgpig,
         uint      tiisg,
@@ -5246,11 +5259,12 @@ void kernel_mul_mv_iq1_m_f32_impl(
     }
 }
 
+template<typename A>
 void kernel_mul_mv_iq4_nl_f32_impl(
         device const  void * src0,
         device const float * src1,
         device       float * dst,
-        ggml_metal_kargs_mul_mv args,
+        A args,
         threadgroup int8_t * shared_values_i8,
         uint3     tgpig,
         uint      tiisg,
@@ -5333,11 +5347,12 @@ void kernel_mul_mv_iq4_nl_f32_impl(
     }
 }
 
+template<typename A>
 void kernel_mul_mv_iq4_xs_f32_impl(
         device const  void * src0,
         device const float * src1,
         device       float * dst,
-        ggml_metal_kargs_mul_mv args,
+        A args,
         threadgroup int8_t * shared_values_i8,
         uint3     tgpig,
         uint      tiisg,
@@ -5431,7 +5446,7 @@ kernel void kernel_mul_mv_iq1_s_f32(
         uint  tiisg[[thread_index_in_simdgroup]],
         uint  sgitg[[simdgroup_index_in_threadgroup]]) {
 
-    kernel_mul_mv_iq1_s_f32_impl(src0, src1, dst, args, nullptr, tgpig, tiisg, sgitg);
+    kernel_mul_mv_iq1_s_f32_impl<constant ggml_metal_kargs_mul_mv &>(src0, src1, dst, args, nullptr, tgpig, tiisg, sgitg);
 }
 
 [[host_name("kernel_mul_mv_iq1_m_f32")]]
@@ -5444,7 +5459,7 @@ kernel void kernel_mul_mv_iq1_m_f32(
         uint  tiisg[[thread_index_in_simdgroup]],
         uint  sgitg[[simdgroup_index_in_threadgroup]]) {
 
-    kernel_mul_mv_iq1_m_f32_impl(src0, src1, dst, args, nullptr, tgpig, tiisg, sgitg);
+    kernel_mul_mv_iq1_m_f32_impl<constant ggml_metal_kargs_mul_mv &>(src0, src1, dst, args, nullptr, tgpig, tiisg, sgitg);
 }
 
 [[host_name("kernel_mul_mv_iq4_nl_f32")]]
@@ -5458,7 +5473,7 @@ kernel void kernel_mul_mv_iq4_nl_f32(
         uint tiisg[[thread_index_in_simdgroup]],
         uint sgitg[[simdgroup_index_in_threadgroup]]) {
 
-    kernel_mul_mv_iq4_nl_f32_impl(src0, src1, dst, args, shared_values, tgpig, tiisg, sgitg);
+    kernel_mul_mv_iq4_nl_f32_impl<constant ggml_metal_kargs_mul_mv &>(src0, src1, dst, args, shared_values, tgpig, tiisg, sgitg);
 }
 
 [[host_name("kernel_mul_mv_iq4_xs_f32")]]
@@ -5472,7 +5487,7 @@ kernel void kernel_mul_mv_iq4_xs_f32(
         uint tiisg[[thread_index_in_simdgroup]],
         uint sgitg[[simdgroup_index_in_threadgroup]]) {
 
-    kernel_mul_mv_iq4_xs_f32_impl(src0, src1, dst, args, shared_values, tgpig, tiisg, sgitg);
+    kernel_mul_mv_iq4_xs_f32_impl<constant ggml_metal_kargs_mul_mv &>(src0, src1, dst, args, shared_values, tgpig, tiisg, sgitg);
 }
 
 template<typename block_q, short nl, void (*dequantize_func)(device const block_q *, short, thread float4x4 &)>
@@ -6057,7 +6072,7 @@ void mmv_fn(
     impl_fn(src0,(const device float *) src1, dst, args, shared_values, tgpig, tiisg, sgitg);
 }
 
-typedef decltype(mmv_fn<kernel_mul_mv_impl<half, half4, half, half4>>) mul_mv_impl_fn_t;
+typedef decltype(mmv_fn<kernel_mul_mv_impl<half, half4, half, half4, ggml_metal_kargs_mul_mv>>) mul_mv_impl_fn_t;
 
 template<mul_mv_impl_fn_t impl_fn>
 kernel void kernel_mul_mv_id(