From 051e1b0e6a6e3aee7d989b47760980e6fda5861c Mon Sep 17 00:00:00 2001
From: Georgi Gerganov <ggerganov@gmail.com>
Date: Sat, 17 Jun 2023 19:30:22 +0300
Subject: [PATCH] llama : fix kv_cache `n` init (close #1903)

---
 .gitignore              | 1 +
 examples/CMakeLists.txt | 1 +
 llama.cpp               | 2 ++
 3 files changed, 4 insertions(+)

diff --git a/.gitignore b/.gitignore
index e68fd724a..e7bfd52e3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -34,6 +34,7 @@ models/*
 /perplexity
 /embedding
 /train-text-from-scratch
+/simple
 /benchmark-matmult
 /vdot
 /server
diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
index de005f3e3..cf9c4a223 100644
--- a/examples/CMakeLists.txt
+++ b/examples/CMakeLists.txt
@@ -38,6 +38,7 @@ else()
     add_subdirectory(benchmark)
     add_subdirectory(baby-llama)
     add_subdirectory(train-text-from-scratch)
+    add_subdirectory(simple)
     if (LLAMA_METAL)
         add_subdirectory(metal)
     endif()
diff --git a/llama.cpp b/llama.cpp
index a50846f71..a2916b3e8 100644
--- a/llama.cpp
+++ b/llama.cpp
@@ -886,6 +886,7 @@ static bool kv_cache_init(
     const int64_t n_elements = n_embd*n_mem;
 
     cache.buf.resize(2u*n_elements*ggml_type_size(wtype) + 2u*MB);
+    cache.n = 0;
 
     struct ggml_init_params params;
     params.mem_size   = cache.buf.size;
@@ -904,6 +905,7 @@ static bool kv_cache_init(
     ggml_set_name(cache.k, "cache_k");
     ggml_set_name(cache.v, "cache_v");
 
+    (void) n_gpu_layers;
 #ifdef GGML_USE_CUBLAS
     if (n_gpu_layers > n_layer + 1) {
         ggml_cuda_assign_buffers_no_scratch(cache.v);