Merge branch 'upstream' into concedo_experimental

# Conflicts:
#	.devops/llama-server.Dockerfile
#	README.md
#	flake.lock
#	ggml/src/ggml-vulkan.cpp
#	ggml/src/vulkan-shaders/concat.comp
#	ggml/src/vulkan-shaders/pad.comp
#	ggml/src/vulkan-shaders/vulkan-shaders-gen.cpp
#	scripts/sync-ggml-am.sh
#	scripts/sync-ggml.last
#	src/llama.cpp
#	tests/test-backend-ops.cpp

src/llama-vocab.cpp

@@ -18,17 +18,14 @@
 //
 
 static void replace_all(std::string & s, const std::string & search, const std::string & replace) {
-    std::string result;
-    for (size_t pos = 0; ; pos += search.length()) {
-        auto new_pos = s.find(search, pos);
-        if (new_pos == std::string::npos) {
-            result += s.substr(pos, s.size() - pos);
-            break;
-        }
-        result += s.substr(pos, new_pos - pos) + replace;
-        pos = new_pos;
+    if (search.empty()) {
+        return; // Avoid infinite loop if 'search' is an empty string
+    }
+    size_t pos = 0;
+    while ((pos = s.find(search, pos)) != std::string::npos) {
+        s.replace(pos, search.length(), replace);
+        pos += replace.length();
     }
-    s = std::move(result);
 }
 
 LLAMA_ATTRIBUTE_FORMAT(1, 2)
@@ -1044,6 +1041,9 @@ struct llm_tokenizer_ugm {
      * the best tokenization.
     */
     void tokenize(const std::string & text, std::vector<llama_vocab::id> & output) {
+        // get current size of output (for reversal later)
+        size_t output_size = output.size();
+
         // normalize the input first
         std::string normalized;
         normalize(text, &normalized);
@@ -1123,7 +1123,7 @@ struct llm_tokenizer_ugm {
         }
 
         // reverse the output since we added tokens starting from the end of the input
-        std::reverse(output.begin(), output.end());
+        std::reverse(output.begin() + output_size, output.end());
     }
 
 private:
@@ -1701,7 +1701,8 @@ llama_token_attr llama_token_get_attr_impl(const struct llama_vocab & vocab, lla
 bool llama_token_is_eog_impl(const struct llama_vocab & vocab, llama_token token) {
     return token != -1 && (
         token == llama_token_eos_impl(vocab) ||
-        token == llama_token_eot_impl(vocab)
+        token == llama_token_eot_impl(vocab) ||
+        token == llama_token_eom_impl(vocab)
     );
 }
 
@@ -1757,6 +1758,10 @@ llama_token llama_token_eot_impl(const struct llama_vocab & vocab) {
     return vocab.special_eot_id;
 }
 
+llama_token llama_token_eom_impl(const struct llama_vocab & vocab) {
+    return vocab.special_eom_id;
+}
+
 int32_t llama_tokenize_impl(
     const struct llama_vocab & vocab,
                   const char * text,