several minor fixes

fix install_dependency that repeated invoke will error and exit;
fix S3-FIFO print parameters

libCacheSim/cache/eviction/S3FIFO.c

@@ -1,7 +1,7 @@
 //
-//  This version (S3FIFO.c) differs from the original S3-FIFO (S3FIFOv0.c) in that when the small queue is full, but the cache is not full,
-//  the original S3-FIFO will insert into the small queue, but this version will insert into the main queue.
-//  This version is in general better than the original S3-FIFO because
+//  This version (S3FIFO.c) differs from the original S3-FIFO (S3FIFOv0.c) in that when the small queue is full, but the
+//  cache is not full, the original S3-FIFO will insert into the small queue, but this version will insert into the main
+//  queue. This version is in general better than the original S3-FIFO because
 //    1. the objects inserted after the cache is full are evicted more quickly
 //    2. the objects inserted between the small queue is full and the cache is full are kept slightly longer
 //
@@ -483,8 +483,8 @@ static inline bool S3FIFO_can_insert(cache_t *cache, const request_t *req) {
 // ***********************************************************************
 static const char *S3FIFO_current_params(S3FIFO_params_t *params) {
   static __thread char params_str[128];
-  snprintf(params_str, 128, "fifo-size-ratio=%.4lf,main-cache=%s\n", params->fifo_size_ratio,
-           params->main_cache->cache_name);
+  snprintf(params_str, 128, "fifo-size-ratio=%.4lf,ghost-size-ratio=%.4lf,move-to-main-threshold=%d\n",
+           params->fifo_size_ratio, params->ghost_size_ratio, params->move_to_main_threshold);
   return params_str;
 }
 

scripts/install_dependency.sh

@@ -20,9 +20,11 @@ setup_macOS() {
 
 setup_xgboost() {
     pushd /tmp/
-	git clone --recursive https://github.com/dmlc/xgboost
+	if [ ! -d "xgboost" ]; then
+		git clone --recursive https://github.com/dmlc/xgboost
+	fi
 	pushd xgboost
-	mkdir build
+	mkdir build || true
 	pushd build
 	cmake ..
 	if [[ ${GITHUB_ACTIONS:-} == "true" ]]; then
@@ -35,7 +37,9 @@ setup_xgboost() {
 
 setup_lightgbm() {
     pushd /tmp/
-	git clone --recursive https://github.com/microsoft/LightGBM
+	if [ ! -d "LightGBM" ]; then
+		git clone --recursive https://github.com/microsoft/LightGBM
+	fi
 	pushd LightGBM
 	mkdir build || true
 	pushd build
@@ -49,9 +53,11 @@ setup_lightgbm() {
 }
 
 setup_zstd() {
-    pushd /tmp/
-    wget https://github.com/facebook/zstd/releases/download/v1.5.0/zstd-1.5.0.tar.gz
-    tar xvf zstd-1.5.0.tar.gz;
+    pushd /tmp/;
+	if [ ! -f "zstd-1.5.0.tar.gz" ]; then 
+	    wget https://github.com/facebook/zstd/releases/download/v1.5.0/zstd-1.5.0.tar.gz
+	    tar xvf zstd-1.5.0.tar.gz;
+	fi
     pushd zstd-1.5.0/build/cmake/
     mkdir _build || true
     pushd _build/;