metal : use C++ to store piplienes

ggml-ci

ggml/src/ggml-metal/CMakeLists.txt

@@ -10,6 +10,7 @@ ggml_add_backend_library(ggml-metal
                          ggml-metal-device.cpp
                          ggml-metal-common.cpp
                          ggml-metal-context.m
+                         ggml-metal-context.cpp
                          ggml-metal-ops.cpp
                         )
 

ggml/src/ggml-metal/ggml-metal-context.cpp

@@ -0,0 +1,34 @@
+#include "ggml-metal-context.h"
+
+#include <string>
+#include <unordered_map>
+
+struct ggml_metal_pipelines {
+    std::unordered_map<std::string, ggml_metal_pipeline_t> data;
+};
+
+ggml_metal_pipelines_t ggml_metal_pipelines_init(void) {
+    ggml_metal_pipelines_t res = new ggml_metal_pipelines();
+
+    return res;
+}
+
+void ggml_metal_pipelines_free(ggml_metal_pipelines_t ppls) {
+    for (auto it = ppls->data.begin(); it != ppls->data.end(); ++it) {
+        ggml_metal_pipeline_free(it->second);
+    }
+
+    delete ppls;
+}
+
+void ggml_metal_pipelines_add(ggml_metal_pipelines_t ppls, const char * name, ggml_metal_pipeline_t pipeline) {
+    ppls->data[name] = pipeline;
+}
+
+ggml_metal_pipeline_t ggml_metal_pipelines_get(ggml_metal_pipelines_t ppls, const char * name) {
+    if  (ppls->data.find(name) == ppls->data.end()) {
+        return nullptr;
+    }
+
+    return ppls->data[name];
+}

ggml/src/ggml-metal/ggml-metal-context.h

@@ -18,6 +18,26 @@ void ggml_metal_cv_free(ggml_metal_cv_t cv);
 void ggml_metal_cv_set_int32(ggml_metal_cv_t cv, int32_t value, int32_t idx);
 void ggml_metal_cv_set_bool (ggml_metal_cv_t cv, bool    value, int32_t idx);
 
+//
+// MTLComputePipelineState wrapper
+//
+
+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_get_obj(ggml_metal_pipeline_t pipeline);
+
+// a collection of pipelines
+typedef struct ggml_metal_pipelines * ggml_metal_pipelines_t;
+
+ggml_metal_pipelines_t ggml_metal_pipelines_init(void);
+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);
+
 //
 // backend
 //
@@ -27,20 +47,16 @@ typedef struct ggml_metal * ggml_metal_t;
 ggml_metal_t ggml_metal_init(ggml_metal_device_t ctx_dev);
 void ggml_metal_free(ggml_metal_t ctx);
 
-typedef void * ggml_metal_pipeline_t;
-
-ggml_metal_pipeline_t ggml_metal_get_pipeline(ggml_metal_t ctx, const char * name);
-
+ggml_metal_pipeline_t ggml_metal_get_pipeline    (ggml_metal_t ctx, const char * name);
 ggml_metal_pipeline_t ggml_metal_compile_pipeline(ggml_metal_t ctx, const char * base, const char * name, ggml_metal_cv_t cv);
 
 void ggml_metal_synchronize(ggml_metal_t ctx);
 
 void ggml_metal_set_tensor_async(ggml_metal_t ctx, struct ggml_tensor * tensor, const void * data, size_t offset, size_t size);
 void ggml_metal_get_tensor_async(ggml_metal_t ctx, const struct ggml_tensor * tensor, void * data, size_t offset, size_t size);
 
-enum ggml_status ggml_metal_graph_compute(ggml_metal_t ctx, struct ggml_cgraph * gf);
-
-void ggml_metal_graph_optimize(ggml_metal_t ctx, struct ggml_cgraph * gf);
+enum ggml_status ggml_metal_graph_compute (ggml_metal_t ctx, struct ggml_cgraph * gf);
+void             ggml_metal_graph_optimize(ggml_metal_t ctx, struct ggml_cgraph * gf);
 
 void ggml_metal_set_n_cb            (ggml_metal_t ctx, int n_cb);
 void ggml_metal_set_abort_callback  (ggml_metal_t ctx, ggml_abort_callback abort_callback, void * user_data);