metal : use params per pipeline instance (#17739)

ggml/src/ggml-metal/ggml-metal-device.h

@@ -35,20 +35,6 @@ typedef struct ggml_metal_pipeline * ggml_metal_pipeline_t;
 ggml_metal_pipeline_t ggml_metal_pipeline_init(void);
 void ggml_metal_pipeline_free(ggml_metal_pipeline_t pipeline);
 
-void ggml_metal_pipeline_set_nsg(ggml_metal_pipeline_t pipeline, int nsg);
-int  ggml_metal_pipeline_get_nsg(ggml_metal_pipeline_t pipeline);
-
-void ggml_metal_pipeline_set_nr0(ggml_metal_pipeline_t pipeline, int nr0);
-int  ggml_metal_pipeline_get_nr0(ggml_metal_pipeline_t pipeline);
-
-void ggml_metal_pipeline_set_nr1(ggml_metal_pipeline_t pipeline, int nr1);
-int  ggml_metal_pipeline_get_nr1(ggml_metal_pipeline_t pipeline);
-
-void   ggml_metal_pipeline_set_smem(ggml_metal_pipeline_t pipeline, size_t smem);
-size_t ggml_metal_pipeline_get_smem(ggml_metal_pipeline_t pipeline);
-
-int ggml_metal_pipeline_max_theads_per_threadgroup(ggml_metal_pipeline_t pipeline);
-
 // a collection of pipelines
 typedef struct ggml_metal_pipelines * ggml_metal_pipelines_t;
 
@@ -58,6 +44,19 @@ void ggml_metal_pipelines_free(ggml_metal_pipelines_t ppls);
 void                  ggml_metal_pipelines_add(ggml_metal_pipelines_t ppls, const char * name, ggml_metal_pipeline_t pipeline);
 ggml_metal_pipeline_t ggml_metal_pipelines_get(ggml_metal_pipelines_t ppls, const char * name);
 
+struct ggml_metal_pipeline_with_params {
+    ggml_metal_pipeline_t pipeline;
+
+    int nsg;
+
+    int nr0;
+    int nr1;
+
+    size_t smem;
+};
+
+int ggml_metal_pipeline_max_theads_per_threadgroup(struct ggml_metal_pipeline_with_params pipeline);
+
 //
 // MTLCommandBuffer wrapper
 //
@@ -76,7 +75,7 @@ void ggml_metal_encoder_free(ggml_metal_encoder_t encoder);
 void ggml_metal_encoder_debug_group_push(ggml_metal_encoder_t encoder, const char * name);
 void ggml_metal_encoder_debug_group_pop (ggml_metal_encoder_t encoder);
 
-void ggml_metal_encoder_set_pipeline(ggml_metal_encoder_t encoder, ggml_metal_pipeline_t pipeline);
+void ggml_metal_encoder_set_pipeline(ggml_metal_encoder_t encoder, struct ggml_metal_pipeline_with_params pipeline);
 
 void ggml_metal_encoder_set_bytes (ggml_metal_encoder_t encoder, void * data, size_t size, int idx);
 void ggml_metal_encoder_set_buffer(ggml_metal_encoder_t encoder, struct ggml_metal_buffer_id buffer, int idx);
@@ -100,66 +99,66 @@ ggml_metal_library_t ggml_metal_library_init_from_source(ggml_metal_device_t dev
 
 void ggml_metal_library_free(ggml_metal_library_t lib);
 
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline    (ggml_metal_library_t lib, const char * name);
-ggml_metal_pipeline_t ggml_metal_library_compile_pipeline(ggml_metal_library_t lib, const char * base, const char * name, ggml_metal_cv_t cv);
-
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_base              (ggml_metal_library_t lib, enum ggml_op op);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_cpy               (ggml_metal_library_t lib, enum ggml_type tsrc, enum ggml_type tdst);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_pool_2d           (ggml_metal_library_t lib, const struct ggml_tensor * op, enum ggml_op_pool op_pool);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_get_rows          (ggml_metal_library_t lib, enum ggml_type tsrc);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_set_rows          (ggml_metal_library_t lib, enum ggml_type tidx, enum ggml_type tdst);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_repeat            (ggml_metal_library_t lib, enum ggml_type tsrc);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_unary             (ggml_metal_library_t lib, const struct ggml_tensor * op);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_glu               (ggml_metal_library_t lib, const struct ggml_tensor * op);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_sum               (ggml_metal_library_t lib, const struct ggml_tensor * op);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_sum_rows          (ggml_metal_library_t lib, const struct ggml_tensor * op);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_cumsum_blk        (ggml_metal_library_t lib, const struct ggml_tensor * op);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_cumsum_add        (ggml_metal_library_t lib, const struct ggml_tensor * op);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_soft_max          (ggml_metal_library_t lib, const struct ggml_tensor * op);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_ssm_conv          (ggml_metal_library_t lib, const struct ggml_tensor * op);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_ssm_scan          (ggml_metal_library_t lib, const struct ggml_tensor * op);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_rwkv              (ggml_metal_library_t lib, const struct ggml_tensor * op);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_mul_mv_ext        (ggml_metal_library_t lib, enum ggml_type tsrc0, enum ggml_type tsrc1, int nsg, int nxpsg, int r1ptg);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_mul_mm            (ggml_metal_library_t lib, const struct ggml_tensor * op);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_mul_mv            (ggml_metal_library_t lib, const struct ggml_tensor * op);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_mul_mm_id_map0    (ggml_metal_library_t lib, int ne02, int ne20);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_mul_mm_id         (ggml_metal_library_t lib, const struct ggml_tensor * op);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_mul_mv_id         (ggml_metal_library_t lib, const struct ggml_tensor * op);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_argmax            (ggml_metal_library_t lib, const struct ggml_tensor * op);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_argsort           (ggml_metal_library_t lib, const struct ggml_tensor * op);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_argsort_merge     (ggml_metal_library_t lib, const struct ggml_tensor * op);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_top_k             (ggml_metal_library_t lib, const struct ggml_tensor * op);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_top_k_merge       (ggml_metal_library_t lib, const struct ggml_tensor * op);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_bin               (ggml_metal_library_t lib, enum ggml_op op, int32_t n_fuse, bool row);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_l2_norm           (ggml_metal_library_t lib, const struct ggml_tensor * op);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_group_norm        (ggml_metal_library_t lib, const struct ggml_tensor * op);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_norm              (ggml_metal_library_t lib, const struct ggml_tensor * op, int32_t n_fuse);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_rope              (ggml_metal_library_t lib, const struct ggml_tensor * op);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_im2col            (ggml_metal_library_t lib, const struct ggml_tensor * op);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_conv_transpose_1d (ggml_metal_library_t lib, const struct ggml_tensor * op);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_conv_transpose_2d (ggml_metal_library_t lib, const struct ggml_tensor * op);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_conv_2d           (ggml_metal_library_t lib, const struct ggml_tensor * op);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_upscale           (ggml_metal_library_t lib, const struct ggml_tensor * op);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_pad               (ggml_metal_library_t lib, const struct ggml_tensor * op);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_pad_reflect_1d    (ggml_metal_library_t lib, const struct ggml_tensor * op);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_arange            (ggml_metal_library_t lib, const struct ggml_tensor * op);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_timestep_embedding(ggml_metal_library_t lib, const struct ggml_tensor * op);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_opt_step_adamw    (ggml_metal_library_t lib, const struct ggml_tensor * op);
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_opt_step_sgd      (ggml_metal_library_t lib, const struct ggml_tensor * op);
-
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_flash_attn_ext_pad(
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline    (ggml_metal_library_t lib, const char * name);
+struct ggml_metal_pipeline_with_params ggml_metal_library_compile_pipeline(ggml_metal_library_t lib, const char * base, const char * name, ggml_metal_cv_t cv);
+
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_base              (ggml_metal_library_t lib, enum ggml_op op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_cpy               (ggml_metal_library_t lib, enum ggml_type tsrc, enum ggml_type tdst);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_pool_2d           (ggml_metal_library_t lib, const struct ggml_tensor * op, enum ggml_op_pool op_pool);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_get_rows          (ggml_metal_library_t lib, enum ggml_type tsrc);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_set_rows          (ggml_metal_library_t lib, enum ggml_type tidx, enum ggml_type tdst);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_repeat            (ggml_metal_library_t lib, enum ggml_type tsrc);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_unary             (ggml_metal_library_t lib, const struct ggml_tensor * op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_glu               (ggml_metal_library_t lib, const struct ggml_tensor * op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_sum               (ggml_metal_library_t lib, const struct ggml_tensor * op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_sum_rows          (ggml_metal_library_t lib, const struct ggml_tensor * op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_cumsum_blk        (ggml_metal_library_t lib, const struct ggml_tensor * op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_cumsum_add        (ggml_metal_library_t lib, const struct ggml_tensor * op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_soft_max          (ggml_metal_library_t lib, const struct ggml_tensor * op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_ssm_conv          (ggml_metal_library_t lib, const struct ggml_tensor * op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_ssm_scan          (ggml_metal_library_t lib, const struct ggml_tensor * op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_rwkv              (ggml_metal_library_t lib, const struct ggml_tensor * op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_mul_mv_ext        (ggml_metal_library_t lib, enum ggml_type tsrc0, enum ggml_type tsrc1, int nsg, int nxpsg, int r1ptg);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_mul_mm            (ggml_metal_library_t lib, const struct ggml_tensor * op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_mul_mv            (ggml_metal_library_t lib, const struct ggml_tensor * op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_mul_mm_id_map0    (ggml_metal_library_t lib, int ne02, int ne20);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_mul_mm_id         (ggml_metal_library_t lib, const struct ggml_tensor * op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_mul_mv_id         (ggml_metal_library_t lib, const struct ggml_tensor * op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_argmax            (ggml_metal_library_t lib, const struct ggml_tensor * op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_argsort           (ggml_metal_library_t lib, const struct ggml_tensor * op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_argsort_merge     (ggml_metal_library_t lib, const struct ggml_tensor * op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_top_k             (ggml_metal_library_t lib, const struct ggml_tensor * op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_top_k_merge       (ggml_metal_library_t lib, const struct ggml_tensor * op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_bin               (ggml_metal_library_t lib, enum ggml_op op, int32_t n_fuse, bool row);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_l2_norm           (ggml_metal_library_t lib, const struct ggml_tensor * op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_group_norm        (ggml_metal_library_t lib, const struct ggml_tensor * op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_norm              (ggml_metal_library_t lib, const struct ggml_tensor * op, int32_t n_fuse);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_rope              (ggml_metal_library_t lib, const struct ggml_tensor * op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_im2col            (ggml_metal_library_t lib, const struct ggml_tensor * op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_conv_transpose_1d (ggml_metal_library_t lib, const struct ggml_tensor * op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_conv_transpose_2d (ggml_metal_library_t lib, const struct ggml_tensor * op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_conv_2d           (ggml_metal_library_t lib, const struct ggml_tensor * op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_upscale           (ggml_metal_library_t lib, const struct ggml_tensor * op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_pad               (ggml_metal_library_t lib, const struct ggml_tensor * op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_pad_reflect_1d    (ggml_metal_library_t lib, const struct ggml_tensor * op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_arange            (ggml_metal_library_t lib, const struct ggml_tensor * op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_timestep_embedding(ggml_metal_library_t lib, const struct ggml_tensor * op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_opt_step_adamw    (ggml_metal_library_t lib, const struct ggml_tensor * op);
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_opt_step_sgd      (ggml_metal_library_t lib, const struct ggml_tensor * op);
+
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_flash_attn_ext_pad(
         ggml_metal_library_t lib,
         const struct ggml_tensor * op,
         bool    has_mask,
         int32_t ncpsg);
 
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_flash_attn_ext_blk(
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_flash_attn_ext_blk(
         ggml_metal_library_t lib,
         const struct ggml_tensor * op,
         int32_t nqptg,
         int32_t ncpsg);
 
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_flash_attn_ext(
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_flash_attn_ext(
         ggml_metal_library_t lib,
         const struct ggml_tensor * op,
         bool    has_mask,
@@ -169,7 +168,7 @@ ggml_metal_pipeline_t ggml_metal_library_get_pipeline_flash_attn_ext(
         bool    has_kvpad,
         int32_t nsg);
 
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_flash_attn_ext_vec(
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_flash_attn_ext_vec(
         ggml_metal_library_t lib,
         const struct ggml_tensor * op,
         bool    has_mask,
@@ -180,7 +179,7 @@ ggml_metal_pipeline_t ggml_metal_library_get_pipeline_flash_attn_ext_vec(
         int32_t nsg,
         int32_t nwg);
 
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline_flash_attn_ext_vec_reduce(
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline_flash_attn_ext_vec_reduce(
         ggml_metal_library_t lib,
         const struct ggml_tensor * op,
         int32_t dv,

ggml/src/ggml-metal/ggml-metal-device.m

@@ -75,14 +75,6 @@ void ggml_metal_cv_set_bool(ggml_metal_cv_t cv, bool value, int32_t idx) {
 
 struct ggml_metal_pipeline {
     id<MTLComputePipelineState> obj;
-
-    // suggested dispatch sizes
-    int nsg;
-
-    int nr0;
-    int nr1;
-
-    size_t smem;
 };
 
 ggml_metal_pipeline_t ggml_metal_pipeline_init(void) {
@@ -90,10 +82,6 @@ ggml_metal_pipeline_t ggml_metal_pipeline_init(void) {
 
     *res = (struct ggml_metal_pipeline) {
         /*.obj  =*/ nil,
-        /*.nsg  =*/ 0,
-        /*.nr0  =*/ 0,
-        /*.nr1  =*/ 0,
-        /*.smem =*/ 0,
     };
 
     return res;
@@ -105,40 +93,8 @@ void ggml_metal_pipeline_free(ggml_metal_pipeline_t pipeline) {
     free(pipeline);
 }
 
-void ggml_metal_pipeline_set_nsg(ggml_metal_pipeline_t pipeline, int nsg) {
-    pipeline->nsg = nsg;
-}
-
-int ggml_metal_pipeline_get_nsg(ggml_metal_pipeline_t pipeline) {
-    return pipeline->nsg;
-}
-
-void ggml_metal_pipeline_set_nr0(ggml_metal_pipeline_t pipeline, int nr0) {
-    pipeline->nr0 = nr0;
-}
-
-int ggml_metal_pipeline_get_nr0(ggml_metal_pipeline_t pipeline) {
-    return pipeline->nr0;
-}
-
-void ggml_metal_pipeline_set_nr1(ggml_metal_pipeline_t pipeline, int nr1) {
-    pipeline->nr1 = nr1;
-}
-
-int ggml_metal_pipeline_get_nr1(ggml_metal_pipeline_t pipeline) {
-    return pipeline->nr1;
-}
-
-void   ggml_metal_pipeline_set_smem(ggml_metal_pipeline_t pipeline, size_t smem) {
-    pipeline->smem = smem;
-}
-
-size_t ggml_metal_pipeline_get_smem(ggml_metal_pipeline_t pipeline) {
-    return pipeline->smem;
-}
-
-int ggml_metal_pipeline_max_theads_per_threadgroup(ggml_metal_pipeline_t pipeline) {
-    return pipeline->obj.maxTotalThreadsPerThreadgroup;
+int ggml_metal_pipeline_max_theads_per_threadgroup(struct ggml_metal_pipeline_with_params pipeline) {
+    return pipeline.pipeline->obj.maxTotalThreadsPerThreadgroup;
 }
 
 struct ggml_metal_library {
@@ -389,28 +345,42 @@ void ggml_metal_library_free(ggml_metal_library_t lib) {
     free(lib);
 }
 
-ggml_metal_pipeline_t ggml_metal_library_get_pipeline(ggml_metal_library_t lib, const char * name) {
+struct ggml_metal_pipeline_with_params ggml_metal_library_get_pipeline(ggml_metal_library_t lib, const char * name) {
     [lib->lock lock];
 
-    ggml_metal_pipeline_t res = ggml_metal_pipelines_get(lib->pipelines, name);
+    struct ggml_metal_pipeline_with_params res = {
+        /*.pipeline =*/ nil,
+        /*.nr0      =*/ 0,
+        /*.nr1      =*/ 0,
+        /*.nsg      =*/ 0,
+        /*.smem     =*/ 0,
+    };
+
+    res.pipeline = ggml_metal_pipelines_get(lib->pipelines, name);
 
     [lib->lock unlock];
 
     return res;
 }
 
-ggml_metal_pipeline_t ggml_metal_library_compile_pipeline(ggml_metal_library_t lib, const char * base, const char * name, ggml_metal_cv_t cv) {
+struct ggml_metal_pipeline_with_params ggml_metal_library_compile_pipeline(ggml_metal_library_t lib, const char * base, const char * name, ggml_metal_cv_t cv) {
+    struct ggml_metal_pipeline_with_params res = {
+        /*.pipeline =*/ nil,
+        /*.nr0      =*/ 0,
+        /*.nr1      =*/ 0,
+        /*.nsg      =*/ 0,
+        /*.smem     =*/ 0,
+    };
+
     [lib->lock lock];
 
-    ggml_metal_pipeline_t res = ggml_metal_pipelines_get(lib->pipelines, name);
-    if (res) {
+    res.pipeline = ggml_metal_pipelines_get(lib->pipelines, name);
+    if (res.pipeline) {
         [lib->lock unlock];
 
         return res;
     }
 
-    res = ggml_metal_pipeline_init();
-
     @autoreleasepool {
         NSError * error = nil;
 
@@ -432,26 +402,43 @@ ggml_metal_pipeline_t ggml_metal_library_compile_pipeline(ggml_metal_library_t l
                 GGML_LOG_ERROR("%s: %s\n", __func__, [[error description] UTF8String]);
             }
 
-            return nil;
+            return res;
         }
 
-        res->obj = [lib->device newComputePipelineStateWithFunction:mtl_function error:&error];
+        id<MTLComputePipelineState> obj = [lib->device newComputePipelineStateWithFunction:mtl_function error:&error];
 
         [mtl_function release];
 
-        GGML_LOG_DEBUG("%s: loaded %-40s %16p | th_max = %4d | th_width = %4d\n", __func__, name, (void *) res->obj,
-                (int) res->obj.maxTotalThreadsPerThreadgroup,
-                (int) res->obj.threadExecutionWidth);
+        if (!obj) {
+            [lib->lock unlock];
+
+            GGML_LOG_ERROR("%s: failed to create pipeline state: base = '%s', name = '%s'\n", __func__, base, name);
+            if (error) {
+                GGML_LOG_ERROR("%s: %s\n", __func__, [[error description] UTF8String]);
+            }
+
+            return res;
+        }
+
+        GGML_LOG_DEBUG("%s: loaded %-40s %16p | th_max = %4d | th_width = %4d\n", __func__, name,
+                (void *) obj,
+                (int)    obj.maxTotalThreadsPerThreadgroup,
+                (int)    obj.threadExecutionWidth);
+
+        if (obj.maxTotalThreadsPerThreadgroup == 0 || obj.threadExecutionWidth == 0) {
+            [obj release];
 
-        if (res->obj.maxTotalThreadsPerThreadgroup == 0 || res->obj.threadExecutionWidth == 0) {
             [lib->lock unlock];
 
             GGML_LOG_ERROR("%s: incompatible pipeline %s\n", __func__, name);
 
-            return nil;
+            return res;
         }
 
-        ggml_metal_pipelines_add(lib->pipelines, name, res);
+        res.pipeline = ggml_metal_pipeline_init();
+        res.pipeline->obj = obj;
+
+        ggml_metal_pipelines_add(lib->pipelines, name, res.pipeline);
     }
 
     [lib->lock unlock];
@@ -496,8 +483,8 @@ void ggml_metal_encoder_debug_group_pop (ggml_metal_encoder_t encoder) {
     [encoder->obj popDebugGroup];
 }
 
-void ggml_metal_encoder_set_pipeline(ggml_metal_encoder_t encoder, ggml_metal_pipeline_t pipeline) {
-    [encoder->obj setComputePipelineState:pipeline->obj];
+void ggml_metal_encoder_set_pipeline(ggml_metal_encoder_t encoder, struct ggml_metal_pipeline_with_params pipeline) {
+    [encoder->obj setComputePipelineState:pipeline.pipeline->obj];
 }
 
 void ggml_metal_encoder_set_bytes(ggml_metal_encoder_t encoder, void * data, size_t size, int idx) {
@@ -622,8 +609,8 @@ ggml_metal_device_t ggml_metal_device_init(void) {
                     GGML_LOG_WARN("%s: - the tensor API is not supported in this environment - disabling\n", __func__);
                     dev->props.has_tensor = false;
                 } else {
-                    ggml_metal_pipeline_t ppl = ggml_metal_library_compile_pipeline(lib, "dummy_kernel", "dummy_kernel", nil);
-                    if (!ppl) {
+                    struct ggml_metal_pipeline_with_params ppl = ggml_metal_library_compile_pipeline(lib, "dummy_kernel", "dummy_kernel", nil);
+                    if (!ppl.pipeline) {
                         GGML_LOG_WARN("%s: - the tensor API is not supported in this environment - disabling\n", __func__);
                         dev->props.has_tensor = false;
                     }
@@ -672,8 +659,8 @@ ggml_metal_device_t ggml_metal_device_init(void) {
                     GGML_LOG_WARN("%s: - the tensor API does not support bfloat - disabling bfloat support\n", __func__);
                     dev->props.has_bfloat = false;
                 } else {
-                    ggml_metal_pipeline_t ppl = ggml_metal_library_compile_pipeline(lib, "dummy_kernel", "dummy_kernel", nil);
-                    if (!ppl) {
+                    struct ggml_metal_pipeline_with_params ppl = ggml_metal_library_compile_pipeline(lib, "dummy_kernel", "dummy_kernel", nil);
+                    if (!ppl.pipeline) {
                         GGML_LOG_WARN("%s: - the tensor API does not support bfloat - disabling bfloat support\n", __func__);
                         dev->props.has_bfloat = false;
                     }

ggml/src/ggml-metal/ggml-metal-ops.cpp

@@ -524,7 +524,7 @@ int ggml_metal_op_concat(ggml_metal_op_t ctx, int idx) {
         /*.dim  =*/ dim,
     };
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_base(lib, GGML_OP_CONCAT);
+    auto pipeline = ggml_metal_library_get_pipeline_base(lib, GGML_OP_CONCAT);
 
     ggml_metal_encoder_set_pipeline(enc, pipeline);
     ggml_metal_encoder_set_bytes   (enc, &args, sizeof(args), 0);
@@ -550,7 +550,7 @@ int ggml_metal_op_repeat(ggml_metal_op_t ctx, int idx) {
     GGML_TENSOR_LOCALS( int32_t, ne,  op,         ne);
     GGML_TENSOR_LOCALS(uint64_t, nb,  op,         nb);
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_repeat(lib, op->type);
+    auto pipeline = ggml_metal_library_get_pipeline_repeat(lib, op->type);
 
     ggml_metal_kargs_repeat args = {
         /*.ne00 =*/ ne00,
@@ -616,7 +616,7 @@ int ggml_metal_op_acc(ggml_metal_op_t ctx, int idx) {
         // TODO: make a simpler cpy_bytes kernel
 
         //const id<MTLComputePipelineState> pipeline = ctx->pipelines[GGML_METAL_PIPELINE_TYPE_CPY_F32_F32].obj;
-        ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_cpy(lib, op->src[0]->type, op->type);
+        auto pipeline = ggml_metal_library_get_pipeline_cpy(lib, op->src[0]->type, op->type);
 
         ggml_metal_kargs_cpy args = {
             /*.nk0  =*/ ne00,
@@ -679,7 +679,7 @@ int ggml_metal_op_acc(ggml_metal_op_t ctx, int idx) {
         /*.o1   =*/ { 0 },
     };
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_bin(lib, GGML_OP_ADD, 1, false);
+    auto pipeline = ggml_metal_library_get_pipeline_bin(lib, GGML_OP_ADD, 1, false);
 
     ggml_metal_encoder_set_pipeline(enc, pipeline);
     ggml_metal_encoder_set_bytes   (enc, &args, sizeof(args), 0);
@@ -721,7 +721,7 @@ int ggml_metal_op_scale(ggml_metal_op_t ctx, int idx) {
         n /= 4;
     }
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_unary(lib, op);
+    auto pipeline = ggml_metal_library_get_pipeline_unary(lib, op);
 
     ggml_metal_encoder_set_pipeline(enc, pipeline);
     ggml_metal_encoder_set_bytes   (enc, &args, sizeof(args), 0);
@@ -760,7 +760,7 @@ int ggml_metal_op_clamp(ggml_metal_op_t ctx, int idx) {
         n /= 4;
     }
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_unary(lib, op);
+    auto pipeline = ggml_metal_library_get_pipeline_unary(lib, op);
 
     ggml_metal_encoder_set_pipeline(enc, pipeline);
     ggml_metal_encoder_set_bytes   (enc, &args, sizeof(args), 0);
@@ -789,7 +789,7 @@ int ggml_metal_op_unary(ggml_metal_op_t ctx, int idx) {
         n /= 4;
     }
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_unary(lib, op);
+    auto pipeline = ggml_metal_library_get_pipeline_unary(lib, op);
 
     ggml_metal_encoder_set_pipeline(enc, pipeline);
     ggml_metal_encoder_set_buffer  (enc, ggml_metal_get_buffer_id(op->src[0]), 0);
@@ -817,7 +817,7 @@ int ggml_metal_op_glu(ggml_metal_op_t ctx, int idx) {
         GGML_ASSERT(ggml_are_same_shape(op->src[0], op->src[1]));
     }
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_glu(lib, op);
+    auto pipeline = ggml_metal_library_get_pipeline_glu(lib, op);
 
     const int32_t swp = ggml_get_op_params_i32(op, 1);
     const float alpha = ggml_get_op_params_f32(op, 2);
@@ -870,7 +870,7 @@ int ggml_metal_op_sum(ggml_metal_op_t ctx, int idx) {
         /*.np =*/ n,
     };
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_sum(lib, op);
+    auto pipeline = ggml_metal_library_get_pipeline_sum(lib, op);
 
     int nth = 32; // SIMD width
 
@@ -925,7 +925,7 @@ int ggml_metal_op_sum_rows(ggml_metal_op_t ctx, int idx) {
         /*.nb3  =*/ nb3,
     };
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_sum_rows(lib, op);
+    auto pipeline = ggml_metal_library_get_pipeline_sum_rows(lib, op);
 
     int nth = 32; // SIMD width
 
@@ -936,7 +936,7 @@ int ggml_metal_op_sum_rows(ggml_metal_op_t ctx, int idx) {
     nth = std::min(nth, ggml_metal_pipeline_max_theads_per_threadgroup(pipeline));
     nth = std::min(nth, ne00);
 
-    const size_t smem = ggml_metal_pipeline_get_smem(pipeline);
+    const size_t smem = pipeline.smem;
 
     ggml_metal_encoder_set_pipeline(enc, pipeline);
     ggml_metal_encoder_set_bytes   (enc, &args, sizeof(args), 0);
@@ -963,7 +963,7 @@ int ggml_metal_op_cumsum(ggml_metal_op_t ctx, int idx) {
     GGML_TENSOR_LOCALS( int32_t, ne,  op,         ne);
     GGML_TENSOR_LOCALS(uint64_t, nb,  op,         nb);
 
-    ggml_metal_pipeline_t pipeline_blk = ggml_metal_library_get_pipeline_cumsum_blk(lib, op);
+    auto pipeline_blk = ggml_metal_library_get_pipeline_cumsum_blk(lib, op);
 
     int nth = 1;
     while (nth < ne00 && 2*nth <= ggml_metal_pipeline_max_theads_per_threadgroup(pipeline_blk)) {
@@ -1060,7 +1060,7 @@ int ggml_metal_op_cumsum(ggml_metal_op_t ctx, int idx) {
         ggml_metal_op_concurrency_reset(ctx);
 
         {
-            ggml_metal_pipeline_t pipeline_add = ggml_metal_library_get_pipeline_cumsum_add(lib, op);
+            auto pipeline_add = ggml_metal_library_get_pipeline_cumsum_add(lib, op);
 
             ggml_metal_kargs_cumsum_add args = {
                 /*.ne00 =*/ ne00,
@@ -1106,7 +1106,7 @@ int ggml_metal_op_get_rows(ggml_metal_op_t ctx, int idx) {
     GGML_TENSOR_LOCALS( int32_t, ne,  op,         ne);
     GGML_TENSOR_LOCALS(uint64_t, nb,  op,         nb);
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_get_rows(lib, op->src[0]->type);
+    auto pipeline = ggml_metal_library_get_pipeline_get_rows(lib, op->src[0]->type);
 
     ggml_metal_kargs_get_rows args = {
         /*.ne00t =*/ ggml_is_quantized(op->src[0]->type) ? ne00/16 : ne00,
@@ -1151,7 +1151,7 @@ int ggml_metal_op_set_rows(ggml_metal_op_t ctx, int idx) {
     GGML_TENSOR_LOCALS( int32_t, ne,  op,         ne);
     GGML_TENSOR_LOCALS(uint64_t, nb,  op,         nb);
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_set_rows(lib, op->src[1]->type, op->type);
+    auto pipeline = ggml_metal_library_get_pipeline_set_rows(lib, op->src[1]->type, op->type);
 
     const int32_t nk0 = ne0/ggml_blck_size(op->type);
 
@@ -1252,7 +1252,7 @@ int ggml_metal_op_soft_max(ggml_metal_op_t ctx, int idx) {
         /*.n_head_log2 =*/ n_head_log2,
     };
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_soft_max(lib, op);
+    auto pipeline = ggml_metal_library_get_pipeline_soft_max(lib, op);
 
     int nth = 32; // SIMD width
 
@@ -1266,7 +1266,7 @@ int ggml_metal_op_soft_max(ggml_metal_op_t ctx, int idx) {
         }
     }
 
-    const size_t smem = ggml_metal_pipeline_get_smem(pipeline);
+    const size_t smem = pipeline.smem;
 
     ggml_metal_encoder_set_pipeline(enc, pipeline);
     ggml_metal_encoder_set_bytes(enc, &args, sizeof(args), 0);
@@ -1322,7 +1322,7 @@ int ggml_metal_op_ssm_conv(ggml_metal_op_t ctx, int idx) {
         /*.nb2  =*/ nb2,
     };
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_ssm_conv(lib, op);
+    auto pipeline = ggml_metal_library_get_pipeline_ssm_conv(lib, op);
 
     ggml_metal_encoder_set_pipeline(enc, pipeline);
     ggml_metal_encoder_set_bytes(enc, &args, sizeof(args), 0);
@@ -1409,11 +1409,11 @@ int ggml_metal_op_ssm_scan(ggml_metal_op_t ctx, int idx) {
         /*.nb0          =*/ nb0,
     };
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_ssm_scan(lib, op);
+    auto pipeline = ggml_metal_library_get_pipeline_ssm_scan(lib, op);
 
     GGML_ASSERT(d_state <= ggml_metal_pipeline_max_theads_per_threadgroup(pipeline));
 
-    const size_t sms = ggml_metal_pipeline_get_smem(pipeline);
+    const size_t smem = pipeline.smem;
 
     ggml_metal_encoder_set_pipeline(enc, pipeline);
     ggml_metal_encoder_set_bytes   (enc, &args, sizeof(args), 0);
@@ -1426,7 +1426,7 @@ int ggml_metal_op_ssm_scan(ggml_metal_op_t ctx, int idx) {
     ggml_metal_encoder_set_buffer  (enc, ggml_metal_get_buffer_id(op->src[6]), 7);
     ggml_metal_encoder_set_buffer  (enc, ggml_metal_get_buffer_id(op),         8);
 
-    ggml_metal_encoder_set_threadgroup_memory_size(enc, sms, 0);
+    ggml_metal_encoder_set_threadgroup_memory_size(enc, smem, 0);
 
     ggml_metal_encoder_dispatch_threadgroups(enc, d_inner, n_head, n_seqs, d_state, 1, 1);
 
@@ -1449,7 +1449,7 @@ int ggml_metal_op_rwkv(ggml_metal_op_t ctx, int idx) {
     const int64_t C = op->ne[0];
     const int64_t H = op->src[0]->ne[1];
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_rwkv(lib, op);
+    auto pipeline = ggml_metal_library_get_pipeline_rwkv(lib, op);
 
     int ida = 0;
 
@@ -1485,7 +1485,7 @@ int ggml_metal_op_cpy(ggml_metal_op_t ctx, int idx) {
     GGML_TENSOR_LOCALS( int32_t, ne,  op,         ne);
     GGML_TENSOR_LOCALS(uint64_t, nb,  op,         nb);
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_cpy(lib, op->src[0]->type, op->type);
+    auto pipeline = ggml_metal_library_get_pipeline_cpy(lib, op->src[0]->type, op->type);
 
     GGML_ASSERT(ne00 % ggml_blck_size(op->src[0]->type) == 0);
 
@@ -1592,7 +1592,7 @@ int ggml_metal_op_pool_2d(ggml_metal_op_t ctx, int idx) {
         /* .np = */ np
     };
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_pool_2d(lib, op, op_pool);
+    auto pipeline = ggml_metal_library_get_pipeline_pool_2d(lib, op, op_pool);
 
     const int nth = std::min(ggml_metal_pipeline_max_theads_per_threadgroup(pipeline), (int) np);
     const int ntg = (np + nth - 1) / nth;
@@ -1701,7 +1701,7 @@ int ggml_metal_op_mul_mat(ggml_metal_op_t ctx, int idx) {
                 GGML_ABORT("unsupported ne11");
         };
 
-        ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_mul_mv_ext(lib, op->src[0]->type, op->src[1]->type, nsg, nxpsg, r1ptg);
+        auto pipeline = ggml_metal_library_get_pipeline_mul_mv_ext(lib, op->src[0]->type, op->src[1]->type, nsg, nxpsg, r1ptg);
 
         ggml_metal_kargs_mul_mv_ext args = {
             /*.ne00  =*/ ne00,
@@ -1748,7 +1748,7 @@ int ggml_metal_op_mul_mat(ggml_metal_op_t ctx, int idx) {
         //    default: break;
         //}
 
-        ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_mul_mm(lib, op);
+        auto pipeline = ggml_metal_library_get_pipeline_mul_mm(lib, op);
 
         ggml_metal_kargs_mul_mm args = {
             /*.ne00 =*/ ne00,
@@ -1773,18 +1773,18 @@ int ggml_metal_op_mul_mat(ggml_metal_op_t ctx, int idx) {
         ggml_metal_encoder_set_buffer  (enc, ggml_metal_get_buffer_id(op->src[1]), 2);
         ggml_metal_encoder_set_buffer  (enc, ggml_metal_get_buffer_id(op),         3);
 
-        const size_t smem = ggml_metal_pipeline_get_smem(pipeline);
+        const size_t smem = pipeline.smem;
 
         ggml_metal_encoder_set_threadgroup_memory_size(enc, smem, 0);
         ggml_metal_encoder_dispatch_threadgroups(enc, ((ne11 + 31)/32), ((ne01 + 63)/64), ne12*ne13, 128, 1, 1);
     } else {
-        ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_mul_mv(lib, op);
+        auto pipeline = ggml_metal_library_get_pipeline_mul_mv(lib, op);
 
-        const int nr0 = ggml_metal_pipeline_get_nr0(pipeline);
-        const int nr1 = ggml_metal_pipeline_get_nr1(pipeline);
-        const int nsg = ggml_metal_pipeline_get_nsg(pipeline);
+        const int nr0 = pipeline.nr0;
+        const int nr1 = pipeline.nr1;
+        const int nsg = pipeline.nsg;
 
-        const size_t smem = ggml_metal_pipeline_get_smem(pipeline);
+        const size_t smem = pipeline.smem;
 
         ggml_metal_kargs_mul_mv args = {
             /*.ne00 =*/ ne00,
@@ -1915,9 +1915,9 @@ int ggml_metal_op_mul_mat_id(ggml_metal_op_t ctx, int idx) {
                 nb21,
             };
 
-            ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_mul_mm_id_map0(lib, ne02, ne20);
+            auto pipeline = ggml_metal_library_get_pipeline_mul_mm_id_map0(lib, ne02, ne20);
 
-            const size_t smem = ggml_metal_pipeline_get_smem(pipeline);
+            const size_t smem = pipeline.smem;
 
             GGML_ASSERT(ne02 <= ggml_metal_pipeline_max_theads_per_threadgroup(pipeline));
 
@@ -1938,7 +1938,7 @@ int ggml_metal_op_mul_mat_id(ggml_metal_op_t ctx, int idx) {
         ggml_metal_op_concurrency_reset(ctx);
 
         {
-            ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_mul_mm_id(lib, op);
+            auto pipeline = ggml_metal_library_get_pipeline_mul_mm_id(lib, op);
 
             ggml_metal_kargs_mul_mm_id args = {
                 /*.ne00  =*/ ne00,
@@ -1967,20 +1967,20 @@ int ggml_metal_op_mul_mat_id(ggml_metal_op_t ctx, int idx) {
             ggml_metal_encoder_set_buffer  (enc, bid_ids,  4);
             ggml_metal_encoder_set_buffer  (enc, bid_dst,  5);
 
-            const size_t smem = ggml_metal_pipeline_get_smem(pipeline);
+            const size_t smem = pipeline.smem;
 
             ggml_metal_encoder_set_threadgroup_memory_size(enc, smem, 0);
 
             ggml_metal_encoder_dispatch_threadgroups(enc, (ne21 + 31)/32, (ne01 + 63)/64, ne02, 128, 1, 1);
         }
     } else {
-        ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_mul_mv_id(lib, op);
+        auto pipeline = ggml_metal_library_get_pipeline_mul_mv_id(lib, op);
 
-        const int nr0 = ggml_metal_pipeline_get_nr0(pipeline);
-        const int nr1 = ggml_metal_pipeline_get_nr1(pipeline);
-        const int nsg = ggml_metal_pipeline_get_nsg(pipeline);
+        const int nr0 = pipeline.nr0;
+        const int nr1 = pipeline.nr1;
+        const int nsg = pipeline.nsg;
 
-        const size_t smem = ggml_metal_pipeline_get_smem(pipeline);
+        const size_t smem = pipeline.smem;
 
         ggml_metal_kargs_mul_mv_id args = {
             /*.nei0 =*/ ne20,
@@ -2064,7 +2064,7 @@ int ggml_metal_op_add_id(ggml_metal_op_t ctx, int idx) {
         /*.nb21 =*/ nb21,
     };
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_base(lib, GGML_OP_ADD_ID);
+    auto pipeline = ggml_metal_library_get_pipeline_base(lib, GGML_OP_ADD_ID);
 
     ggml_metal_encoder_set_pipeline(enc, pipeline);
     ggml_metal_encoder_set_bytes   (enc, &args, sizeof(args), 0);
@@ -2308,7 +2308,7 @@ int ggml_metal_op_flash_attn_ext(ggml_metal_op_t ctx, int idx) {
                 /*.nb33    =*/nb33,
             };
 
-            ggml_metal_pipeline_t pipeline0 = ggml_metal_library_get_pipeline_flash_attn_ext_pad(lib, op, has_mask, ncpsg);
+            auto pipeline0 = ggml_metal_library_get_pipeline_flash_attn_ext_pad(lib, op, has_mask, ncpsg);
 
             ggml_metal_encoder_set_pipeline(enc, pipeline0);
             ggml_metal_encoder_set_bytes   (enc, &args0, sizeof(args0), 0);
@@ -2339,7 +2339,7 @@ int ggml_metal_op_flash_attn_ext(ggml_metal_op_t ctx, int idx) {
                 /*.nb33 =*/ nb33,
             };
 
-            ggml_metal_pipeline_t pipeline0 = ggml_metal_library_get_pipeline_flash_attn_ext_blk(lib, op, nqptg, ncpsg);
+            auto pipeline0 = ggml_metal_library_get_pipeline_flash_attn_ext_blk(lib, op, nqptg, ncpsg);
 
             ggml_metal_encoder_set_pipeline(enc, pipeline0);
             ggml_metal_encoder_set_bytes   (enc, &args0, sizeof(args0), 0);
@@ -2424,7 +2424,7 @@ int ggml_metal_op_flash_attn_ext(ggml_metal_op_t ctx, int idx) {
             /*.logit_softcap =*/ logit_softcap,
         };
 
-        ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_flash_attn_ext(lib, op, has_mask, has_sinks, has_bias, has_scap, has_kvpad, nsg);
+        auto pipeline = ggml_metal_library_get_pipeline_flash_attn_ext(lib, op, has_mask, has_sinks, has_bias, has_scap, has_kvpad, nsg);
 
         ggml_metal_encoder_set_pipeline(enc, pipeline);
         ggml_metal_encoder_set_bytes   (enc, &args, sizeof(args), 0);
@@ -2476,7 +2476,7 @@ int ggml_metal_op_flash_attn_ext(ggml_metal_op_t ctx, int idx) {
                 /*.nb33    =*/nb33,
             };
 
-            ggml_metal_pipeline_t pipeline0 = ggml_metal_library_get_pipeline_flash_attn_ext_pad(lib, op, has_mask, ncpsg);
+            auto pipeline0 = ggml_metal_library_get_pipeline_flash_attn_ext_pad(lib, op, has_mask, ncpsg);
 
             ggml_metal_encoder_set_pipeline(enc, pipeline0);
             ggml_metal_encoder_set_bytes   (enc, &args0, sizeof(args0), 0);
@@ -2578,7 +2578,7 @@ int ggml_metal_op_flash_attn_ext(ggml_metal_op_t ctx, int idx) {
             /*.logit_softcap =*/ logit_softcap,
         };
 
-        ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_flash_attn_ext_vec(lib, op, has_mask, has_sinks, has_bias, has_scap, has_kvpad, nsg, nwg);
+        auto pipeline = ggml_metal_library_get_pipeline_flash_attn_ext_vec(lib, op, has_mask, has_sinks, has_bias, has_scap, has_kvpad, nsg, nwg);
 
         GGML_ASSERT(nsg*32 <= ggml_metal_pipeline_max_theads_per_threadgroup(pipeline));
 
@@ -2630,7 +2630,7 @@ int ggml_metal_op_flash_attn_ext(ggml_metal_op_t ctx, int idx) {
                     nrows,
                 };
 
-                ggml_metal_pipeline_t pipeline0 = ggml_metal_library_get_pipeline_flash_attn_ext_vec_reduce(lib, op, ne20, nwg);
+                auto pipeline0 = ggml_metal_library_get_pipeline_flash_attn_ext_vec_reduce(lib, op, ne20, nwg);
 
                 ggml_metal_encoder_set_pipeline(enc, pipeline0);
                 ggml_metal_encoder_set_bytes   (enc, &args0, sizeof(args0), 0);
@@ -2762,7 +2762,7 @@ int ggml_metal_op_bin(ggml_metal_op_t ctx, int idx) {
     // the offsets of src1 and all fused buffers are relative to the start of the src1 buffer
     bid_src1.offs = 0;
 
-    ggml_metal_pipeline_t pipeline = nullptr;
+    struct ggml_metal_pipeline_with_params pipeline;
 
     if (ggml_nelements(op->src[1]) == ne10 && ggml_is_contiguous(op->src[1]) && ne00 % 4 == 0 && ne10 % 4 == 0) {
         GGML_ASSERT(ggml_is_contiguous(op->src[0]));
@@ -2835,7 +2835,7 @@ int ggml_metal_op_l2_norm(ggml_metal_op_t ctx, int idx) {
         /*.eps    =*/ eps,
     };
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_l2_norm(lib, op);
+    auto pipeline = ggml_metal_library_get_pipeline_l2_norm(lib, op);
 
     while (nth < ne00/4 && nth < ggml_metal_pipeline_max_theads_per_threadgroup(pipeline)) {
         nth *= 2;
@@ -2844,7 +2844,7 @@ int ggml_metal_op_l2_norm(ggml_metal_op_t ctx, int idx) {
     nth = std::min(nth, ggml_metal_pipeline_max_theads_per_threadgroup(pipeline));
     nth = std::min(nth, ne00/4);
 
-    const size_t smem = ggml_metal_pipeline_get_smem(pipeline);
+    const size_t smem = pipeline.smem;
 
     const int64_t nrows = ggml_nrows(op->src[0]);
 
@@ -2887,7 +2887,7 @@ int ggml_metal_op_group_norm(ggml_metal_op_t ctx, int idx) {
         /*.eps  =*/ eps,
     };
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_group_norm(lib, op);
+    auto pipeline = ggml_metal_library_get_pipeline_group_norm(lib, op);
 
     int nth = 32; // SIMD width
     //while (nth < ne00/4 && nth < ggml_metal_pipeline_max_theads_per_threadgroup(pipeline)) {
@@ -2897,7 +2897,7 @@ int ggml_metal_op_group_norm(ggml_metal_op_t ctx, int idx) {
     //nth = std::min(nth, ggml_metal_pipeline_max_theads_per_threadgroup(pipeline));
     //nth = std::min(nth, ne00/4);
 
-    const size_t smem = ggml_metal_pipeline_get_smem(pipeline);
+    const size_t smem = pipeline.smem;
 
     ggml_metal_encoder_set_pipeline(enc, pipeline);
     ggml_metal_encoder_set_bytes   (enc, &args, sizeof(args), 0);
@@ -3022,7 +3022,7 @@ int ggml_metal_op_norm(ggml_metal_op_t ctx, int idx) {
         }
     }
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_norm(lib, op, n_fuse);
+    auto pipeline = ggml_metal_library_get_pipeline_norm(lib, op, n_fuse);
 
     int nth = 32; // SIMD width
 
@@ -3033,7 +3033,7 @@ int ggml_metal_op_norm(ggml_metal_op_t ctx, int idx) {
     nth = std::min(nth, ggml_metal_pipeline_max_theads_per_threadgroup(pipeline));
     nth = std::min(nth, args.ne00_t);
 
-    const size_t smem = ggml_metal_pipeline_get_smem(pipeline);
+    const size_t smem = pipeline.smem;
 
     ggml_metal_encoder_set_pipeline(enc, pipeline);
     ggml_metal_encoder_set_bytes   (enc, &args, sizeof(args), 0);
@@ -3127,7 +3127,7 @@ int ggml_metal_op_rope(ggml_metal_op_t ctx, int idx) {
         /* src2        =*/ op->src[2] != nullptr,
     };
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_rope(lib, op);
+    auto pipeline = ggml_metal_library_get_pipeline_rope(lib, op);
 
     ggml_metal_encoder_set_pipeline(enc, pipeline);
     ggml_metal_encoder_set_bytes   (enc, &args, sizeof(args), 0);
@@ -3199,7 +3199,7 @@ int ggml_metal_op_im2col(ggml_metal_op_t ctx, int idx) {
         /*.KHW  =*/ KH * KW,
     };
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_im2col(lib, op);
+    auto pipeline = ggml_metal_library_get_pipeline_im2col(lib, op);
 
     GGML_ASSERT(KH*KW <= ggml_metal_pipeline_max_theads_per_threadgroup(pipeline));
 
@@ -3270,7 +3270,7 @@ int ggml_metal_op_conv_2d(ggml_metal_op_t ctx, int idx) {
         /*.d1   =*/ d1,
     };
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_conv_2d(lib, op);
+    auto pipeline = ggml_metal_library_get_pipeline_conv_2d(lib, op);
 
     int nth = ggml_metal_pipeline_max_theads_per_threadgroup(pipeline);
     nth = std::min(nth, 256);
@@ -3325,7 +3325,7 @@ int ggml_metal_op_conv_transpose_1d(ggml_metal_op_t ctx, int idx) {
         /*.nb1 =*/ nb1,
     };
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_conv_transpose_1d(lib, op);
+    auto pipeline = ggml_metal_library_get_pipeline_conv_transpose_1d(lib, op);
 
     ggml_metal_encoder_set_pipeline(enc, pipeline);
     ggml_metal_encoder_set_bytes   (enc, &args, sizeof(args), 0);
@@ -3377,7 +3377,7 @@ int ggml_metal_op_conv_transpose_2d(ggml_metal_op_t ctx, int idx) {
         /*.nb2 =*/ nb2,
     };
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_conv_transpose_2d(lib, op);
+    auto pipeline = ggml_metal_library_get_pipeline_conv_transpose_2d(lib, op);
 
     ggml_metal_encoder_set_pipeline(enc, pipeline);
     ggml_metal_encoder_set_bytes   (enc, &args, sizeof(args), 0);
@@ -3433,7 +3433,7 @@ int ggml_metal_op_upscale(ggml_metal_op_t ctx, int idx) {
         /*.sf3 =*/ sf3
     };
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_upscale(lib, op);
+    auto pipeline = ggml_metal_library_get_pipeline_upscale(lib, op);
 
     const int nth = std::min(ggml_metal_pipeline_max_theads_per_threadgroup(pipeline), ne0);
 
@@ -3477,7 +3477,7 @@ int ggml_metal_op_pad(ggml_metal_op_t ctx, int idx) {
         /*.nb3  =*/ nb3
     };
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_pad(lib, op);
+    auto pipeline = ggml_metal_library_get_pipeline_pad(lib, op);
 
     const int nth = std::min(1024, ne0);
 
@@ -3523,7 +3523,7 @@ int ggml_metal_op_pad_reflect_1d(ggml_metal_op_t ctx, int idx) {
         /*.p1 =*/ ((const int32_t *)(op->op_params))[1]
     };
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_pad_reflect_1d(lib, op);
+    auto pipeline = ggml_metal_library_get_pipeline_pad_reflect_1d(lib, op);
 
     const int nth = std::min(1024, ne0);
 
@@ -3560,7 +3560,7 @@ int ggml_metal_op_arange(ggml_metal_op_t ctx, int idx) {
 
     const int nth = std::min(1024, ne0);
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_arange(lib, op);
+    auto pipeline = ggml_metal_library_get_pipeline_arange(lib, op);
 
     ggml_metal_encoder_set_pipeline(enc, pipeline);
     ggml_metal_encoder_set_bytes   (enc, &args, sizeof(args), 0);
@@ -3591,7 +3591,7 @@ int ggml_metal_op_timestep_embedding(ggml_metal_op_t ctx, int idx) {
         /*.max_period =*/ max_period,
     };
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_timestep_embedding(lib, op);
+    auto pipeline = ggml_metal_library_get_pipeline_timestep_embedding(lib, op);
 
     const int nth = std::max(1, std::min(1024, dim/2));
 
@@ -3621,7 +3621,7 @@ int ggml_metal_op_argmax(ggml_metal_op_t ctx, int idx) {
         /*.nb01 = */ nb01,
     };
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_argmax(lib, op);
+    auto pipeline = ggml_metal_library_get_pipeline_argmax(lib, op);
 
     const int64_t nrows = ggml_nrows(op->src[0]);
 
@@ -3630,7 +3630,7 @@ int ggml_metal_op_argmax(ggml_metal_op_t ctx, int idx) {
         nth *= 2;
     }
 
-    const size_t smem = ggml_metal_pipeline_get_smem(pipeline);
+    const size_t smem = pipeline.smem;
 
     ggml_metal_encoder_set_pipeline(enc, pipeline);
     ggml_metal_encoder_set_bytes   (enc, &args, sizeof(args), 0);
@@ -3657,7 +3657,7 @@ int ggml_metal_op_argsort(ggml_metal_op_t ctx, int idx) {
     GGML_TENSOR_LOCALS( int32_t, ne,  op,         ne);
     GGML_TENSOR_LOCALS(uint64_t, nb,  op,         nb);
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_argsort(lib, op);
+    auto pipeline = ggml_metal_library_get_pipeline_argsort(lib, op);
 
     // bitonic sort requires the number of elements to be power of 2
     int nth = 1;
@@ -3706,7 +3706,7 @@ int ggml_metal_op_argsort(ggml_metal_op_t ctx, int idx) {
 
     ggml_metal_encoder_dispatch_threadgroups(enc, npr*ne01, ne02, ne03, nth, 1, 1);
 
-    ggml_metal_pipeline_t pipeline_merge = ggml_metal_library_get_pipeline_argsort_merge(lib, op);
+    auto pipeline_merge = ggml_metal_library_get_pipeline_argsort_merge(lib, op);
 
     int len = nth;
 
@@ -3764,7 +3764,7 @@ int ggml_metal_op_top_k(ggml_metal_op_t ctx, int idx) {
     GGML_TENSOR_LOCALS( int32_t, ne,  op,         ne);
     GGML_TENSOR_LOCALS(uint64_t, nb,  op,         nb);
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_top_k(lib, op);
+    auto pipeline = ggml_metal_library_get_pipeline_top_k(lib, op);
 
     // bitonic sort requires the number of elements to be power of 2
     int nth = 1;
@@ -3818,7 +3818,7 @@ int ggml_metal_op_top_k(ggml_metal_op_t ctx, int idx) {
 
     ggml_metal_encoder_dispatch_threadgroups(enc, npr*ne01, ne02, ne03, nth, 1, 1);
 
-    ggml_metal_pipeline_t pipeline_merge = ggml_metal_library_get_pipeline_top_k_merge(lib, op);
+    auto pipeline_merge = ggml_metal_library_get_pipeline_top_k_merge(lib, op);
 
     int len = args.top_k;
 
@@ -3881,7 +3881,7 @@ int ggml_metal_op_leaky_relu(ggml_metal_op_t ctx, int idx) {
         /*.slope =*/ slope
     };
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_unary(lib, op);
+    auto pipeline = ggml_metal_library_get_pipeline_unary(lib, op);
 
     int64_t n = ggml_nelements(op);
 
@@ -3910,7 +3910,7 @@ int ggml_metal_op_opt_step_adamw(ggml_metal_op_t ctx, int idx) {
     GGML_TENSOR_LOCALS( int32_t, ne,  op,         ne);
     GGML_TENSOR_LOCALS(uint64_t, nb,  op,         nb);
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_opt_step_adamw(lib, op);
+    auto pipeline = ggml_metal_library_get_pipeline_opt_step_adamw(lib, op);
 
     const int64_t np = ggml_nelements(op->src[0]);
     ggml_metal_kargs_opt_step_adamw args = {
@@ -3946,7 +3946,7 @@ int ggml_metal_op_opt_step_sgd(ggml_metal_op_t ctx, int idx) {
     GGML_TENSOR_LOCALS( int32_t, ne,  op,         ne);
     GGML_TENSOR_LOCALS(uint64_t, nb,  op,         nb);
 
-    ggml_metal_pipeline_t pipeline = ggml_metal_library_get_pipeline_opt_step_sgd(lib, op);
+    auto pipeline = ggml_metal_library_get_pipeline_opt_step_sgd(lib, op);
 
     const int64_t np = ggml_nelements(op->src[0]);
     ggml_metal_kargs_opt_step_sgd args = {