allow rwkv6 to run although its broken

Author: LostRuins

gpttype_adapter.cpp

@@ -194,15 +194,18 @@ static void TokenizeString(const std::string & str_to_tokenize, std::vector<int>
             if(add_bos)
             {
                 llama_token bostoadd = llama_token_bos(&(llama_ctx_v4->model));
-                if(output_tokens.size()==0)
+                if(bostoadd != LLAMA_TOKEN_NULL) //if bos does not exist, do not add it
                 {
-                    output_tokens.push_back(bostoadd);
-                }
-                else
-                {
-                    if(output_tokens[0]!=bostoadd)
+                    if(output_tokens.size()==0)
                     {
-                        output_tokens.insert(output_tokens.begin(), 1, bostoadd);
+                        output_tokens.push_back(bostoadd);
+                    }
+                    else
+                    {
+                        if(output_tokens[0]!=bostoadd)
+                        {
+                            output_tokens.insert(output_tokens.begin(), 1, bostoadd);
+                        }
                     }
                 }
             }
@@ -1870,6 +1873,12 @@ ModelLoadResult gpttype_load_model(const load_model_inputs inputs, FileFormat in
             }
         }
 
+        if(file_format_meta.model_architecture==GGUFArch::ARCH_RWKV)
+        {
+            printf("\nRWKV6 Overriding EOS and BOS IDs to 0\n");
+            llamamodel->vocab.special_bos_id = llamamodel->vocab.special_eos_id = 0;
+        }
+
         llama_ctx_params.flash_attn = kcpp_params->flash_attn;
         llama_ctx_params.type_k = (inputs.quant_k>1?GGML_TYPE_Q4_0:(inputs.quant_k==1?GGML_TYPE_Q8_0:GGML_TYPE_F16));
         llama_ctx_params.type_v = (inputs.quant_v>1?GGML_TYPE_Q4_0:(inputs.quant_v==1?GGML_TYPE_Q8_0:GGML_TYPE_F16));
@@ -3085,7 +3094,10 @@ generation_outputs gpttype_generate(const generation_inputs inputs)
             if (!inputs.allow_eos_token && !inputs.bypass_eos_token)
             {
                 // set the logit of the eos token to very low to avoid sampling it
-                logitsPtr[eosID] = lowestLogit;
+                if(eosID!=LLAMA_TOKEN_NULL)
+                {
+                    logitsPtr[eosID] = lowestLogit;
+                }
                 if(eotID!=-1)
                 {
                     logitsPtr[eotID] = lowestLogit;

model_adapter.cpp

@@ -314,6 +314,10 @@ void print_tok_vec(std::vector<float> &embd)
             {
                 fileformatmeta->model_architecture = GGUFArch::ARCH_QWEN2;
             }
+            else if(modelarch=="rwkv6")
+            {
+                fileformatmeta->model_architecture = GGUFArch::ARCH_RWKV;
+            }
             printf("Arch Category: %d\n",fileformatmeta->model_architecture);
 
         }

model_adapter.h

@@ -58,6 +58,7 @@ enum GGUFArch
     ARCH_MAMBA = 3,
     ARCH_SOLAR = 4,
     ARCH_QWEN2 = 5,
+    ARCH_RWKV = 6,
 };
 
 struct FileFormatExtraMeta