update llama.cpp

llama/llama.h

@@ -1,5 +1,5 @@
 /**
- * llama.cpp - git d91f3f0c55663719ea03b76311e8c36ed55eb0e2
+ * llama.cpp - git c574bddb368424b5996cbee2ec45ec050967d404
  *
  * MIT License
  *
@@ -134,6 +134,7 @@ extern "C" {
 
         // Keep the booleans together to avoid misalignment during copy-by-value.
         bool low_vram;   // if true, reduce VRAM usage at the cost of performance
+        bool mul_mat_q;  // if true, use experimental mul_mat_q kernels
         bool f16_kv;     // use fp16 for KV cache
         bool logits_all; // the llama_eval() call computes all logits, not just the last one
         bool vocab_only; // only load the vocabulary, no weights