feat: support for --tensor-type-rules on generation modes

examples/cli/main.cpp

@@ -1163,10 +1163,6 @@ void parse_args(int argc, const char** argv, SDParams& params) {
         exit(1);
     }
 
-    if (params.mode != CONVERT && params.tensor_type_rules.size() > 0) {
-        fprintf(stderr, "warning: --tensor-type-rules is currently supported only for conversion\n");
-    }
-
     if (params.mode == VID_GEN && params.video_frames <= 0) {
         fprintf(stderr, "warning: --video-frames must be at least 1\n");
         exit(1);
@@ -1643,6 +1639,7 @@ int main(int argc, const char* argv[]) {
         params.lora_model_dir.c_str(),
         params.embedding_dir.c_str(),
         params.photo_maker_path.c_str(),
+        params.tensor_type_rules.c_str(),
         vae_decode_only,
         true,
         params.n_threads,

model.cpp

@@ -1877,15 +1877,59 @@ std::map<ggml_type, uint32_t> ModelLoader::get_vae_wtype_stat() {
     return wtype_stat;
 }
 
-void ModelLoader::set_wtype_override(ggml_type wtype, std::string prefix) {
+static std::vector<std::pair<std::string, ggml_type>> parse_tensor_type_rules(const std::string& tensor_type_rules) {
+    std::vector<std::pair<std::string, ggml_type>> result;
+    for (const auto& item : split_string(tensor_type_rules, ',')) {
+        if (item.size() == 0)
+            continue;
+        std::string::size_type pos = item.find('=');
+        if (pos == std::string::npos) {
+            LOG_WARN("ignoring invalid quant override \"%s\"", item.c_str());
+            continue;
+        }
+        std::string tensor_pattern = item.substr(0, pos);
+        std::string type_name      = item.substr(pos + 1);
+
+        ggml_type tensor_type = GGML_TYPE_COUNT;
+
+        if (type_name == "f32") {
+            tensor_type = GGML_TYPE_F32;
+        } else {
+            for (size_t i = 0; i < GGML_TYPE_COUNT; i++) {
+                auto trait = ggml_get_type_traits((ggml_type)i);
+                if (trait->to_float && trait->type_size && type_name == trait->type_name) {
+                    tensor_type = (ggml_type)i;
+                }
+            }
+        }
+
+        if (tensor_type != GGML_TYPE_COUNT) {
+            result.emplace_back(tensor_pattern, tensor_type);
+        } else {
+            LOG_WARN("ignoring invalid quant override \"%s\"", item.c_str());
+        }
+    }
+    return result;
+}
+
+void ModelLoader::set_wtype_override(ggml_type wtype, std::string tensor_type_rules) {
+    auto map_rules = parse_tensor_type_rules(tensor_type_rules);
     for (auto& [name, tensor_storage] : tensor_storage_map) {
-        if (!starts_with(name, prefix)) {
+        ggml_type dst_type = wtype;
+        for (const auto& tensor_type_rule : map_rules) {
+            std::regex pattern(tensor_type_rule.first);
+            if (std::regex_search(name, pattern)) {
+                dst_type = tensor_type_rule.second;
+                break;
+            }
+        }
+        if (dst_type == GGML_TYPE_COUNT) {
             continue;
         }
-        if (!tensor_should_be_converted(tensor_storage, wtype)) {
+        if (!tensor_should_be_converted(tensor_storage, dst_type)) {
             continue;
         }
-        tensor_storage.expected_type = wtype;
+        tensor_storage.expected_type = dst_type;
     }
 }
 
@@ -2226,41 +2270,6 @@ bool ModelLoader::load_tensors(std::map<std::string, struct ggml_tensor*>& tenso
     return true;
 }
 
-std::vector<std::pair<std::string, ggml_type>> parse_tensor_type_rules(const std::string& tensor_type_rules) {
-    std::vector<std::pair<std::string, ggml_type>> result;
-    for (const auto& item : split_string(tensor_type_rules, ',')) {
-        if (item.size() == 0)
-            continue;
-        std::string::size_type pos = item.find('=');
-        if (pos == std::string::npos) {
-            LOG_WARN("ignoring invalid quant override \"%s\"", item.c_str());
-            continue;
-        }
-        std::string tensor_pattern = item.substr(0, pos);
-        std::string type_name      = item.substr(pos + 1);
-
-        ggml_type tensor_type = GGML_TYPE_COUNT;
-
-        if (type_name == "f32") {
-            tensor_type = GGML_TYPE_F32;
-        } else {
-            for (size_t i = 0; i < GGML_TYPE_COUNT; i++) {
-                auto trait = ggml_get_type_traits((ggml_type)i);
-                if (trait->to_float && trait->type_size && type_name == trait->type_name) {
-                    tensor_type = (ggml_type)i;
-                }
-            }
-        }
-
-        if (tensor_type != GGML_TYPE_COUNT) {
-            result.emplace_back(tensor_pattern, tensor_type);
-        } else {
-            LOG_WARN("ignoring invalid quant override \"%s\"", item.c_str());
-        }
-    }
-    return result;
-}
-
 bool ModelLoader::tensor_should_be_converted(const TensorStorage& tensor_storage, ggml_type type) {
     const std::string& name = tensor_storage.name;
     if (type != GGML_TYPE_COUNT) {

model.h

@@ -281,7 +281,7 @@ class ModelLoader {
     std::map<ggml_type, uint32_t> get_diffusion_model_wtype_stat();
     std::map<ggml_type, uint32_t> get_vae_wtype_stat();
     String2TensorStorage& get_tensor_storage_map() { return tensor_storage_map; }
-    void set_wtype_override(ggml_type wtype, std::string prefix = "");
+    void set_wtype_override(ggml_type wtype, std::string tensor_type_rules = "");
     bool load_tensors(on_new_tensor_cb_t on_new_tensor_cb, int n_threads = 0);
     bool load_tensors(std::map<std::string, struct ggml_tensor*>& tensors,
                       std::set<std::string> ignore_tensors = {},

stable-diffusion.cpp

@@ -286,8 +286,9 @@ class StableDiffusionGGML {
         ggml_type wtype = (int)sd_ctx_params->wtype < std::min<int>(SD_TYPE_COUNT, GGML_TYPE_COUNT)
                               ? (ggml_type)sd_ctx_params->wtype
                               : GGML_TYPE_COUNT;
-        if (wtype != GGML_TYPE_COUNT) {
-            model_loader.set_wtype_override(wtype);
+        std::string tensor_type_rules = SAFE_STR(sd_ctx_params->tensor_type_rules);
+        if (wtype != GGML_TYPE_COUNT || tensor_type_rules.size() > 0) {
+            model_loader.set_wtype_override(wtype, tensor_type_rules);
         }
 
         std::map<ggml_type, uint32_t> wtype_stat                 = model_loader.get_wtype_stat();
@@ -1893,6 +1894,7 @@ char* sd_ctx_params_to_str(const sd_ctx_params_t* sd_ctx_params) {
              "lora_model_dir: %s\n"
              "embedding_dir: %s\n"
              "photo_maker_path: %s\n"
+             "tensor_type_rules: %s\n"
              "vae_decode_only: %s\n"
              "free_params_immediately: %s\n"
              "n_threads: %d\n"
@@ -1922,6 +1924,7 @@ char* sd_ctx_params_to_str(const sd_ctx_params_t* sd_ctx_params) {
              SAFE_STR(sd_ctx_params->lora_model_dir),
              SAFE_STR(sd_ctx_params->embedding_dir),
              SAFE_STR(sd_ctx_params->photo_maker_path),
+             SAFE_STR(sd_ctx_params->tensor_type_rules),
              BOOL_STR(sd_ctx_params->vae_decode_only),
              BOOL_STR(sd_ctx_params->free_params_immediately),
              sd_ctx_params->n_threads,

stable-diffusion.h

@@ -151,6 +151,7 @@ typedef struct {
     const char* lora_model_dir;
     const char* embedding_dir;
     const char* photo_maker_path;
+    const char* tensor_type_rules;
     bool vae_decode_only;
     bool free_params_immediately;
     int n_threads;