diff --git a/example/cacheCluster/CMakeLists.txt b/example/cacheCluster/CMakeLists.txt
index 40d6c36f..3bf99e2d 100644
--- a/example/cacheCluster/CMakeLists.txt
+++ b/example/cacheCluster/CMakeLists.txt
@@ -1,29 +1,29 @@
 cmake_minimum_required (VERSION 3.2)
 project (cacheCluster)
-set(CMAKE_BUILD_TYPE Debug)
-set(CMAKE_CXX_STANDARD 11)
+# set(CMAKE_BUILD_TYPE Debug)
+set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 
-# clear an error when using cmake in macOS
-# if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
-#     set(CMAKE_MACOSX_RPATH 1)
-#     # Fix linking on 10.14+. See https://stackoverflow.com/questions/54068035
-#     LINK_DIRECTORIES(/usr/local/lib)
-#     # a temporary fix for mac
-#     SET(CMAKE_C_FLAGS_DEBUG " -L/usr/local/lib -lglib-2.0 -lintl -Wno-unused-command-line-argument")
-# endif()
-
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/../../cmake/Modules/")
 find_package(GLib "2.40" REQUIRED)
 include_directories(${GLib_INCLUDE_DIRS})
 message(STATUS "glib found? " ${GLib_FOUND} ", GLIB = " ${GLib_LIBRARY} ", header = " ${GLib_INCLUDE_DIRS})
 
+
+find_package(ZSTD)
+# https://stackoverflow.com/questions/61377055/cannot-find-gflags-gflags-h-while-building-library-osx/61379123#61379123
+include_directories(${ZSTD_INCLUDE_DIR})
+if ("${ZSTD_LIBRARIES}" STREQUAL "") 
+    message(FATAL_ERROR "zstd not found")
+endif()
+
+
 ################ this mode compiles the external cache replacement algorithm together with the simulator ############
 message(STATUS "project_source dir = " ${PROJECT_SOURCE_DIR})
 file(GLOB ALL_CXX_SRC ${PROJECT_SOURCE_DIR}/*.cpp)
 file(GLOB ALL_C_SRC ${PROJECT_SOURCE_DIR}/*.c)
 
 add_executable(cacheCluster ${ALL_CXX_SRC} ${ALL_C_SRC})
-target_link_libraries(cacheCluster libCacheSim m ${GLib_LIBRARY} pthread dl)
+target_link_libraries(cacheCluster libCacheSim m ${GLib_LIBRARY} pthread dl ${ZSTD_LIBRARIES})
 
diff --git a/example/cacheCluster/main.cpp b/example/cacheCluster/main.cpp
index 008d2882..747e1ac7 100644
--- a/example/cacheCluster/main.cpp
+++ b/example/cacheCluster/main.cpp
@@ -13,9 +13,11 @@
 namespace CDNSimulator {
 
 void simulate(int argc, char *argv[]) {
-  const char *data_path = "../../../data/trace.csv";
+  const char *data_path = "../../../data/twitter_cluster52.csv";
   if (argc > 1) {
     data_path = argv[1];
+  } else {
+    printf("use default data at ../../../data/twitter_cluster52.csv\n");
   }
 
   if (access(data_path, F_OK) == -1) {
@@ -25,9 +27,9 @@ void simulate(int argc, char *argv[]) {
 
   /* setup a csv reader */
   reader_init_param_t init_params = default_reader_init_params();
-  init_params.obj_id_field = 5;
-  init_params.obj_size_field = 4;
-  init_params.time_field = 2;
+  init_params.obj_id_field = 2;
+  init_params.obj_size_field = 3;
+  init_params.time_field = 1;
   init_params.has_header_set = true;
   init_params.has_header = true;
   init_params.delimiter = ',';
@@ -36,12 +38,17 @@ void simulate(int argc, char *argv[]) {
   reader_t *reader = open_trace(data_path, CSV_TRACE, &init_params);
 
   const uint64_t n_server = 10;
-  const uint64_t server_dram_cache_size = 8 * GiB;
-  const uint64_t server_disk_cache_size = 100 * GiB;
+  const uint64_t server_dram_cache_size = 1 * MiB;
+  const uint64_t server_disk_cache_size = 10 * MiB;
   const std::string algo = "lru";
   // each cache holds 2 ** 20 objects, this is for performance optimization
   // you can specify a smaller number to save memory
   const uint32_t hashpower = 20;
+  printf(
+      "setting up a cluster of %lu servers, each server has %lu MB DRAM cache "
+      "and %lu MB disk cache, using %s as cache replacement algorithm\n",
+      (unsigned long)n_server, (unsigned long)(server_dram_cache_size / MiB),
+      (unsigned long)(server_disk_cache_size / MiB), algo.c_str());
 
   CacheCluster cluster(0);
 
@@ -68,10 +75,8 @@ void simulate(int argc, char *argv[]) {
     n_req_byte += req->obj_size;
   }
 
-  std::cout << n_req << " requests, " << n_miss
-            << " misses, miss ratio: " << (double)n_miss / n_req
-            << ", byte miss ratio: " << (double)n_miss_byte / n_req_byte
-            << std::endl;
+  std::cout << n_req << " requests, " << n_miss << " misses, miss ratio: " << (double)n_miss / n_req
+            << ", byte miss ratio: " << (double)n_miss_byte / n_req_byte << std::endl;
 
   close_trace(reader);
 }
diff --git a/example/cacheHierarchy/CMakeLists.txt b/example/cacheHierarchy/CMakeLists.txt
index cb4fa113..19a62c31 100644
--- a/example/cacheHierarchy/CMakeLists.txt
+++ b/example/cacheHierarchy/CMakeLists.txt
@@ -1,33 +1,28 @@
 cmake_minimum_required (VERSION 3.2)
 project (layeredCache)
-
-set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 message("****************** this example only works after libCacheSim has been installed ******************")
 
 
-####
-## export C_INCLUDE_PATH=/usr/local/include
-## export CPLUS_INCLUDE_PATH=/usr/local/include
-
-# clear an error when using cmake in macOS
-if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
-    set(CMAKE_MACOSX_RPATH 1)
-    # Fix linking on 10.14+. See https://stackoverflow.com/questions/54068035
-    LINK_DIRECTORIES(/usr/local/lib)
-    # a temporary fix for mac
-    SET(CMAKE_C_FLAGS_DEBUG " -L/usr/local/lib -lglib-2.0 -lintl -Wno-unused-command-line-argument")
-endif()
-
-
-set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/Modules/")
-# find libglib2.0-dev
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/../../cmake/Modules/")
 find_package(GLib "2.40" REQUIRED)
 include_directories(${GLib_INCLUDE_DIRS})
 message(STATUS "glib found? " ${GLib_FOUND} ", GLIB = " ${GLib_LIBRARY} ", header = " ${GLib_INCLUDE_DIRS})
 
-# set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "/usr/local/share/cmake/yaml-cpp/")
+find_package(ZSTD)
+include_directories(${ZSTD_INCLUDE_DIR})
+if ("${ZSTD_LIBRARIES}" STREQUAL "") 
+    message(FATAL_ERROR "zstd not found")
+endif()
+
+
+# https://github.com/jbeder/yaml-cpp
+# wget https://github.com/jbeder/yaml-cpp/archive/refs/tags/0.8.0.tar.gz
+# tar -xzf 0.8.0.tar.gz; mkdir yaml-cpp-0.8.0/_build; cd yaml-cpp-0.8.0/_build; 
+# cmake -DBUILD_SHARED_LIBS=ON ..; 
+# make -j; sudo make install
 find_package(YAML-CPP REQUIRED)
 # set(YAML_CPP_INCLUDE_DIR /usr/local/include/)
 # set(YAML_CPP_LIBRARIES /usr/local/lib/)
@@ -38,10 +33,5 @@ message(STATUS ${YAML_CPP_INCLUDE_DIR} ";" ${YAML_CPP_LIBRARIES})
 file(GLOB ALL_SRC ${PROJECT_SOURCE_DIR}/*.cpp)
 message(STATUS "all sources " ${ALL_SRC})
 add_executable(layeredCache ${ALL_SRC})
-target_link_libraries(layeredCache yaml-cpp libCacheSim m ${GLib_LIBRARY})
-
-
-
-
-
+target_link_libraries(layeredCache yaml-cpp libCacheSim dl m ${GLib_LIBRARY} ${ZSTD_LIBRARIES} pthread)
 
diff --git a/example/cacheHierarchy/cmake/Modules/FindGLib.cmake b/example/cacheHierarchy/cmake/Modules/FindGLib.cmake
deleted file mode 100644
index 8939d857..00000000
--- a/example/cacheHierarchy/cmake/Modules/FindGLib.cmake
+++ /dev/null
@@ -1,83 +0,0 @@
-# FindGLib.cmake
-# <https://github.com/nemequ/gnome-cmake>
-#
-# CMake support for GLib/GObject/GIO.
-#
-# License:
-#
-#   Copyright (c) 2016 Evan Nemerson <evan@nemerson.com>
-#
-#   Permission is hereby granted, free of charge, to any person
-#   obtaining a copy of this software and associated documentation
-#   files (the "Software"), to deal in the Software without
-#   restriction, including without limitation the rights to use, copy,
-#   modify, merge, publish, distribute, sublicense, and/or sell copies
-#   of the Software, and to permit persons to whom the Software is
-#   furnished to do so, subject to the following conditions:
-#
-#   The above copyright notice and this permission notice shall be
-#   included in all copies or substantial portions of the Software.
-#
-#   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-#   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-#   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-#   NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
-#   HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-#   WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-#   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-#   DEALINGS IN THE SOFTWARE.
-
-find_package(PkgConfig)
-
-if(PKG_CONFIG_FOUND)
-  pkg_search_module(GLib_PKG glib-2.0)
-endif()
-
-find_library(GLib_LIBRARY glib-2.0 HINTS ${GLib_PKG_LIBRARY_DIRS})
-set(GLib glib-2.0)
-
-if(GLib_LIBRARY AND NOT GLib_FOUND)
-  add_library(${GLib} SHARED IMPORTED)
-  set_property(TARGET ${GLib} PROPERTY IMPORTED_LOCATION "${GLib_LIBRARY}")
-  set_property(TARGET ${GLib} PROPERTY INTERFACE_COMPILE_OPTIONS "${GLib_PKG_CFLAGS_OTHER}")
-
-  find_path(GLib_INCLUDE_DIRS "glib.h"
-    HINTS ${GLib_PKG_INCLUDE_DIRS}
-    PATH_SUFFIXES "glib-2.0")
-
-  get_filename_component(GLib_LIBDIR "${GLib}" DIRECTORY)
-  find_path(GLib_CONFIG_INCLUDE_DIR "glibconfig.h"
-    HINTS
-      ${GLib_LIBDIR}
-      ${GLib_PKG_INCLUDE_DIRS}
-    PATHS
-      "${CMAKE_LIBRARY_PATH}"
-    PATH_SUFFIXES
-      "glib-2.0/include"
-      "glib-2.0")
-  unset(GLib_LIBDIR)
-
-  if(GLib_CONFIG_INCLUDE_DIR)
-    file(STRINGS "${GLib_CONFIG_INCLUDE_DIR}/glibconfig.h" GLib_MAJOR_VERSION REGEX "^#define GLIB_MAJOR_VERSION +([0-9]+)")
-    string(REGEX REPLACE "^#define GLIB_MAJOR_VERSION ([0-9]+)$" "\\1" GLib_MAJOR_VERSION "${GLib_MAJOR_VERSION}")
-    file(STRINGS "${GLib_CONFIG_INCLUDE_DIR}/glibconfig.h" GLib_MINOR_VERSION REGEX "^#define GLIB_MINOR_VERSION +([0-9]+)")
-    string(REGEX REPLACE "^#define GLIB_MINOR_VERSION ([0-9]+)$" "\\1" GLib_MINOR_VERSION "${GLib_MINOR_VERSION}")
-    file(STRINGS "${GLib_CONFIG_INCLUDE_DIR}/glibconfig.h" GLib_MICRO_VERSION REGEX "^#define GLIB_MICRO_VERSION +([0-9]+)")
-    string(REGEX REPLACE "^#define GLIB_MICRO_VERSION ([0-9]+)$" "\\1" GLib_MICRO_VERSION "${GLib_MICRO_VERSION}")
-    set(GLib_VERSION "${GLib_MAJOR_VERSION}.${GLib_MINOR_VERSION}.${GLib_MICRO_VERSION}")
-    unset(GLib_MAJOR_VERSION)
-    unset(GLib_MINOR_VERSION)
-    unset(GLib_MICRO_VERSION)
-
-    list(APPEND GLib_INCLUDE_DIRS ${GLib_CONFIG_INCLUDE_DIR})
-    set_property(TARGET ${GLib} PROPERTY INTERFACE_INCLUDE_DIRECTORIES "${GLib_INCLUDE_DIRS}")
-  endif()
-endif()
-
-include(FindPackageHandleStandardArgs)
-find_package_handle_standard_args(GLib
-    REQUIRED_VARS
-      GLib_LIBRARY
-      GLib_INCLUDE_DIRS
-    VERSION_VAR
-      GLib_VERSION)
diff --git a/example/cacheSimulator/CMakeLists.txt b/example/cacheSimulator/CMakeLists.txt
index 49775ead..fbf63fcb 100644
--- a/example/cacheSimulator/CMakeLists.txt
+++ b/example/cacheSimulator/CMakeLists.txt
@@ -4,27 +4,23 @@ project (cacheSimulator)
 
 message("****************** this example only works after libCacheSim has been installed ******************")
 
-
-# clear an error when using cmake in macOS
-# if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
-#     set(CMAKE_MACOSX_RPATH 1)
-#     # Fix linking on 10.14+. See https://stackoverflow.com/questions/54068035
-#     LINK_DIRECTORIES(/usr/local/lib)
-#     # a temporary fix for mac
-#     SET(CMAKE_C_FLAGS_DEBUG " -L/usr/local/lib -lglib-2.0 -lintl -Wno-unused-command-line-argument")
-# endif()
-
 find_library(libCacheSim libCacheSim)
 find_path(libCacheSimInclude libCacheSim)
 message(STATUS "libCacheSim found? ${libCacheSim} ${libCacheSimInclude}")
 include_directories(${libCacheSimInclude})
 
-
-set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/Modules/")
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/../../cmake/Modules/")
 find_package(GLib "2.40" REQUIRED)
 include_directories(${GLib_INCLUDE_DIRS})
 message(STATUS "glib found? ${GLib_FOUND}, lib = ${GLib_LIBRARY}, header = ${GLib_INCLUDE_DIRS}")
 
+find_package(ZSTD)
+# https://stackoverflow.com/questions/61377055/cannot-find-gflags-gflags-h-while-building-library-osx/61379123#61379123
+include_directories(${ZSTD_INCLUDE_DIR})
+if ("${ZSTD_LIBRARIES}" STREQUAL "") 
+    message(FATAL_ERROR "zstd not found")
+endif()
+
 
 add_executable(cacheSimulator main.c)
-target_link_libraries(cacheSimulator libCacheSim m ${GLib_LIBRARY})
+target_link_libraries(cacheSimulator libCacheSim m ${GLib_LIBRARY} ${ZSTD_LIBRARIES})
diff --git a/example/cacheSimulator/cmake/Modules/FindGLib.cmake b/example/cacheSimulator/cmake/Modules/FindGLib.cmake
deleted file mode 100644
index 8939d857..00000000
--- a/example/cacheSimulator/cmake/Modules/FindGLib.cmake
+++ /dev/null
@@ -1,83 +0,0 @@
-# FindGLib.cmake
-# <https://github.com/nemequ/gnome-cmake>
-#
-# CMake support for GLib/GObject/GIO.
-#
-# License:
-#
-#   Copyright (c) 2016 Evan Nemerson <evan@nemerson.com>
-#
-#   Permission is hereby granted, free of charge, to any person
-#   obtaining a copy of this software and associated documentation
-#   files (the "Software"), to deal in the Software without
-#   restriction, including without limitation the rights to use, copy,
-#   modify, merge, publish, distribute, sublicense, and/or sell copies
-#   of the Software, and to permit persons to whom the Software is
-#   furnished to do so, subject to the following conditions:
-#
-#   The above copyright notice and this permission notice shall be
-#   included in all copies or substantial portions of the Software.
-#
-#   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-#   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-#   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-#   NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
-#   HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-#   WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-#   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-#   DEALINGS IN THE SOFTWARE.
-
-find_package(PkgConfig)
-
-if(PKG_CONFIG_FOUND)
-  pkg_search_module(GLib_PKG glib-2.0)
-endif()
-
-find_library(GLib_LIBRARY glib-2.0 HINTS ${GLib_PKG_LIBRARY_DIRS})
-set(GLib glib-2.0)
-
-if(GLib_LIBRARY AND NOT GLib_FOUND)
-  add_library(${GLib} SHARED IMPORTED)
-  set_property(TARGET ${GLib} PROPERTY IMPORTED_LOCATION "${GLib_LIBRARY}")
-  set_property(TARGET ${GLib} PROPERTY INTERFACE_COMPILE_OPTIONS "${GLib_PKG_CFLAGS_OTHER}")
-
-  find_path(GLib_INCLUDE_DIRS "glib.h"
-    HINTS ${GLib_PKG_INCLUDE_DIRS}
-    PATH_SUFFIXES "glib-2.0")
-
-  get_filename_component(GLib_LIBDIR "${GLib}" DIRECTORY)
-  find_path(GLib_CONFIG_INCLUDE_DIR "glibconfig.h"
-    HINTS
-      ${GLib_LIBDIR}
-      ${GLib_PKG_INCLUDE_DIRS}
-    PATHS
-      "${CMAKE_LIBRARY_PATH}"
-    PATH_SUFFIXES
-      "glib-2.0/include"
-      "glib-2.0")
-  unset(GLib_LIBDIR)
-
-  if(GLib_CONFIG_INCLUDE_DIR)
-    file(STRINGS "${GLib_CONFIG_INCLUDE_DIR}/glibconfig.h" GLib_MAJOR_VERSION REGEX "^#define GLIB_MAJOR_VERSION +([0-9]+)")
-    string(REGEX REPLACE "^#define GLIB_MAJOR_VERSION ([0-9]+)$" "\\1" GLib_MAJOR_VERSION "${GLib_MAJOR_VERSION}")
-    file(STRINGS "${GLib_CONFIG_INCLUDE_DIR}/glibconfig.h" GLib_MINOR_VERSION REGEX "^#define GLIB_MINOR_VERSION +([0-9]+)")
-    string(REGEX REPLACE "^#define GLIB_MINOR_VERSION ([0-9]+)$" "\\1" GLib_MINOR_VERSION "${GLib_MINOR_VERSION}")
-    file(STRINGS "${GLib_CONFIG_INCLUDE_DIR}/glibconfig.h" GLib_MICRO_VERSION REGEX "^#define GLIB_MICRO_VERSION +([0-9]+)")
-    string(REGEX REPLACE "^#define GLIB_MICRO_VERSION ([0-9]+)$" "\\1" GLib_MICRO_VERSION "${GLib_MICRO_VERSION}")
-    set(GLib_VERSION "${GLib_MAJOR_VERSION}.${GLib_MINOR_VERSION}.${GLib_MICRO_VERSION}")
-    unset(GLib_MAJOR_VERSION)
-    unset(GLib_MINOR_VERSION)
-    unset(GLib_MICRO_VERSION)
-
-    list(APPEND GLib_INCLUDE_DIRS ${GLib_CONFIG_INCLUDE_DIR})
-    set_property(TARGET ${GLib} PROPERTY INTERFACE_INCLUDE_DIRECTORIES "${GLib_INCLUDE_DIRS}")
-  endif()
-endif()
-
-include(FindPackageHandleStandardArgs)
-find_package_handle_standard_args(GLib
-    REQUIRED_VARS
-      GLib_LIBRARY
-      GLib_INCLUDE_DIRS
-    VERSION_VAR
-      GLib_VERSION)
diff --git a/example/cacheSimulatorConcurrent/CMakeLists.txt b/example/cacheSimulatorConcurrent/CMakeLists.txt
index d5f60a93..1494124d 100644
--- a/example/cacheSimulatorConcurrent/CMakeLists.txt
+++ b/example/cacheSimulatorConcurrent/CMakeLists.txt
@@ -1,18 +1,27 @@
-cmake_minimum_required (VERSION 2.8)
+cmake_minimum_required (VERSION 3.2)
 project (cacheSimulatorMultiSize)
-# set(CMAKE_BUILD_TYPE Debug)
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
-set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/Modules/")
 
 find_library(libCacheSim libCacheSim)
 find_path(libCacheSimInclude libCacheSim)
 include_directories(${libCacheSimInclude})
 message(STATUS "libCacheSim found? ${libCacheSim}, ${libCacheSimInclude}")
 
+
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/../../cmake/Modules/")
 find_package(GLib "2.40" REQUIRED)
 include_directories(${GLib_INCLUDE_DIRS})
 message(STATUS "glib found? ${GLib_FOUND}, lib = ${GLib_LIBRARY}, header = ${GLib_INCLUDE_DIRS}")
 
+find_package(ZSTD)
+# https://stackoverflow.com/questions/61377055/cannot-find-gflags-gflags-h-while-building-library-osx/61379123#61379123
+include_directories(${ZSTD_INCLUDE_DIR})
+if ("${ZSTD_LIBRARIES}" STREQUAL "") 
+    message(FATAL_ERROR "zstd not found")
+endif()
 
 add_executable(cacheSimulatorMultiSize main.cpp)
-target_link_libraries(cacheSimulatorMultiSize libCacheSim)
+target_link_libraries(cacheSimulatorMultiSize libCacheSim m ${GLib_LIBRARY} ${ZSTD_LIBRARIES})
+
diff --git a/example/cacheSimulatorConcurrent/README.md b/example/cacheSimulatorConcurrent/README.md
index 73619b35..4093815f 100644
--- a/example/cacheSimulatorConcurrent/README.md
+++ b/example/cacheSimulatorConcurrent/README.md
@@ -1,7 +1,5 @@
 
 ## Building a concurrent cache simulator 
-> WARN
-> this has not been updated
 
 
 This tutorial shows how to build a concurrent cache simulator using libCacheSim. 
diff --git a/example/cacheSimulatorConcurrent/cmake/Modules/FindGLib.cmake b/example/cacheSimulatorConcurrent/cmake/Modules/FindGLib.cmake
deleted file mode 100644
index 8939d857..00000000
--- a/example/cacheSimulatorConcurrent/cmake/Modules/FindGLib.cmake
+++ /dev/null
@@ -1,83 +0,0 @@
-# FindGLib.cmake
-# <https://github.com/nemequ/gnome-cmake>
-#
-# CMake support for GLib/GObject/GIO.
-#
-# License:
-#
-#   Copyright (c) 2016 Evan Nemerson <evan@nemerson.com>
-#
-#   Permission is hereby granted, free of charge, to any person
-#   obtaining a copy of this software and associated documentation
-#   files (the "Software"), to deal in the Software without
-#   restriction, including without limitation the rights to use, copy,
-#   modify, merge, publish, distribute, sublicense, and/or sell copies
-#   of the Software, and to permit persons to whom the Software is
-#   furnished to do so, subject to the following conditions:
-#
-#   The above copyright notice and this permission notice shall be
-#   included in all copies or substantial portions of the Software.
-#
-#   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-#   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-#   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-#   NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
-#   HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-#   WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-#   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-#   DEALINGS IN THE SOFTWARE.
-
-find_package(PkgConfig)
-
-if(PKG_CONFIG_FOUND)
-  pkg_search_module(GLib_PKG glib-2.0)
-endif()
-
-find_library(GLib_LIBRARY glib-2.0 HINTS ${GLib_PKG_LIBRARY_DIRS})
-set(GLib glib-2.0)
-
-if(GLib_LIBRARY AND NOT GLib_FOUND)
-  add_library(${GLib} SHARED IMPORTED)
-  set_property(TARGET ${GLib} PROPERTY IMPORTED_LOCATION "${GLib_LIBRARY}")
-  set_property(TARGET ${GLib} PROPERTY INTERFACE_COMPILE_OPTIONS "${GLib_PKG_CFLAGS_OTHER}")
-
-  find_path(GLib_INCLUDE_DIRS "glib.h"
-    HINTS ${GLib_PKG_INCLUDE_DIRS}
-    PATH_SUFFIXES "glib-2.0")
-
-  get_filename_component(GLib_LIBDIR "${GLib}" DIRECTORY)
-  find_path(GLib_CONFIG_INCLUDE_DIR "glibconfig.h"
-    HINTS
-      ${GLib_LIBDIR}
-      ${GLib_PKG_INCLUDE_DIRS}
-    PATHS
-      "${CMAKE_LIBRARY_PATH}"
-    PATH_SUFFIXES
-      "glib-2.0/include"
-      "glib-2.0")
-  unset(GLib_LIBDIR)
-
-  if(GLib_CONFIG_INCLUDE_DIR)
-    file(STRINGS "${GLib_CONFIG_INCLUDE_DIR}/glibconfig.h" GLib_MAJOR_VERSION REGEX "^#define GLIB_MAJOR_VERSION +([0-9]+)")
-    string(REGEX REPLACE "^#define GLIB_MAJOR_VERSION ([0-9]+)$" "\\1" GLib_MAJOR_VERSION "${GLib_MAJOR_VERSION}")
-    file(STRINGS "${GLib_CONFIG_INCLUDE_DIR}/glibconfig.h" GLib_MINOR_VERSION REGEX "^#define GLIB_MINOR_VERSION +([0-9]+)")
-    string(REGEX REPLACE "^#define GLIB_MINOR_VERSION ([0-9]+)$" "\\1" GLib_MINOR_VERSION "${GLib_MINOR_VERSION}")
-    file(STRINGS "${GLib_CONFIG_INCLUDE_DIR}/glibconfig.h" GLib_MICRO_VERSION REGEX "^#define GLIB_MICRO_VERSION +([0-9]+)")
-    string(REGEX REPLACE "^#define GLIB_MICRO_VERSION ([0-9]+)$" "\\1" GLib_MICRO_VERSION "${GLib_MICRO_VERSION}")
-    set(GLib_VERSION "${GLib_MAJOR_VERSION}.${GLib_MINOR_VERSION}.${GLib_MICRO_VERSION}")
-    unset(GLib_MAJOR_VERSION)
-    unset(GLib_MINOR_VERSION)
-    unset(GLib_MICRO_VERSION)
-
-    list(APPEND GLib_INCLUDE_DIRS ${GLib_CONFIG_INCLUDE_DIR})
-    set_property(TARGET ${GLib} PROPERTY INTERFACE_INCLUDE_DIRECTORIES "${GLib_INCLUDE_DIRS}")
-  endif()
-endif()
-
-include(FindPackageHandleStandardArgs)
-find_package_handle_standard_args(GLib
-    REQUIRED_VARS
-      GLib_LIBRARY
-      GLib_INCLUDE_DIRS
-    VERSION_VAR
-      GLib_VERSION)
diff --git a/example/cacheSimulatorConcurrent/main.cpp b/example/cacheSimulatorConcurrent/main.cpp
index f05f0673..1b583102 100644
--- a/example/cacheSimulatorConcurrent/main.cpp
+++ b/example/cacheSimulatorConcurrent/main.cpp
@@ -3,7 +3,7 @@
 #include <thread>
 
 #define NUM_SIZES 8
-const char *TRACE_PATH = "../../../data/trace.csv";
+const char *TRACE_PATH = "../../../data/cloudPhysicsIO.csv";
 
 void run_one_cache_multiple_sizes(cache_t *cache, reader_t *reader) {
   uint64_t cache_sizes[NUM_SIZES] = {100,  200,  400,  800,
@@ -44,7 +44,7 @@ void run_multiple_caches(reader_t *reader) {
 
   cache_t *caches[8] = {
       LRU_init(cc_params, nullptr),  LFU_init(cc_params, nullptr),
-      FIFO_init(cc_params, nullptr), SLRU_init(cc_params, nullptr),
+      FIFO_init(cc_params, nullptr), Sieve_init(cc_params, nullptr),
       LHD_init(cc_params, nullptr),  LeCaR_init(cc_params, nullptr),
       ARC_init(cc_params, nullptr),  NULL};
 
@@ -55,7 +55,7 @@ void run_multiple_caches(reader_t *reader) {
 
   cache_stat_t *result = simulate_with_multi_caches(
       reader, caches, 8, nullptr, 0.0, 0,
-      static_cast<int>(std::thread::hardware_concurrency()));
+      static_cast<int>(std::thread::hardware_concurrency()), 0);
 
   printf(
       "      cache name        cache size           num_miss        num_req"