commit c260daa84166c568cd998410dc9ba5628c530bee
Author: Josh Yan <jyan00017@gmail.com>
Date:   Tue Jul 9 15:34:24 2024 -0700

    quantize progress

diff --git a/llama.cpp b/llama.cpp
index 61948751..c06d31b6 100644
--- a/llama.cpp
+++ b/llama.cpp
@@ -15370,7 +15370,7 @@ static size_t llama_tensor_quantize_internal(enum ggml_type new_type, const floa
     return new_size;
 }
 
-static void llama_model_quantize_internal(const std::string & fname_inp, const std::string & fname_out, const llama_model_quantize_params * params) {
+static void llama_model_quantize_internal(const std::string & fname_inp, const std::string & fname_out, llama_model_quantize_params * params) {
     ggml_type default_type;
     llama_ftype ftype = params->ftype;
 
@@ -15586,6 +15586,15 @@ static void llama_model_quantize_internal(const std::string & fname_inp, const s
     const auto tn = LLM_TN(model.arch);
     new_ofstream(0);
     for (int i = 0; i < ml.n_tensors; ++i) {
+
+        if (params->quantize_callback){
+            if (!params->quantize_callback(i/ml.n_tensors, params->quantize_callback_data)) {
+                close_ofstream();
+                params->quantize_callback_data = nullptr;
+                return;
+            }
+        }
+
         auto weight = ml.get_weight(i);
         struct ggml_tensor * tensor = weight->tensor;
         if (weight->idx != cur_split && params->keep_split) {
@@ -16119,6 +16128,8 @@ struct llama_model_quantize_params llama_model_quantize_default_params() {
         /*.keep_split                  =*/ false,
         /*.imatrix                     =*/ nullptr,
         /*.kv_overrides                =*/ nullptr,
+        /*.quantize_callback           =*/ nullptr,
+        /*.quantize_callback_data      =*/ nullptr,
     };
 
     return result;
@@ -16784,7 +16795,7 @@ struct ggml_tensor * llama_get_model_tensor(struct llama_model * model, const ch
 uint32_t llama_model_quantize(
         const char * fname_inp,
         const char * fname_out,
-        const llama_model_quantize_params * params) {
+        llama_model_quantize_params * params) {
     try {
         llama_model_quantize_internal(fname_inp, fname_out, params);
         return 0;
diff --git a/llama.h b/llama.h
index da310ffa..847c40d4 100644
--- a/llama.h
+++ b/llama.h
@@ -196,6 +196,8 @@ extern "C" {
 
     typedef bool (*llama_progress_callback)(float progress, void * user_data);
 
+    typedef bool (*llama_quantize_callback)(int progress, void * user_data);
+
     // Input data for llama_decode
     // A llama_batch object can contain input about one or many sequences
     // The provided arrays (i.e. token, embd, pos, etc.) must have size of n_tokens
@@ -337,6 +339,9 @@ extern "C" {
         bool keep_split;                     // quantize to the same number of shards
         void * imatrix;                      // pointer to importance matrix data
         void * kv_overrides;                 // pointer to vector containing overrides
+
+        llama_quantize_callback quantize_callback;
+        void * quantize_callback_data;
     } llama_model_quantize_params;
 
     // grammar types