Add bench of concurrentqueue

bench/Makefile

@@ -201,6 +201,15 @@ bench-liblfds0:
 	$(CC) $(CFLAGS) $(CPPFLAGS) -I "$${LIBLFDS}/inc" bench-liblfds.c -o bench-liblfds.exe $${LIBLFDS}/bin/liblfds711.so -lpthread
 	@LD_LIBRARY_PATH="$${LIBLFDS}/bin:$${LD_LIBRARY_PATH}" ./bench-liblfds.exe 60
 
+# CONCURRENTQUEUE shall point to the directory where the bin/build/inc/obj/src directories are
+# The library shall be built.
+bench-concurrentqueue:
+	if test -n "$${CONCURRENTQUEUE}" ; then $(MAKE) bench-concurrentqueue0 ; else echo "Nothing to be done." ; fi
+
+bench-concurrentqueue0:
+	$(CXX) $(CFLAGS) $(CPPFLAGS) -I "$${CONCURRENTQUEUE}/" bench-concurrentqueue.cpp -o bench-concurrentqueue.exe -lpthread
+	@./bench-concurrentqueue.exe 60
+
 ############################################################################
 
 bench-plain:

bench/bench-concurrentqueue.cpp

@@ -0,0 +1,98 @@
+#define NDEBUG
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdbool.h>
+
+#include "concurrentqueue.h"
+
+#include "m-mutex.h"
+#define MULTI_THREAD_MEASURE
+#include "common.h"
+
+
+/********************************************************************************************/
+moodycamel::ConcurrentQueue<unsigned int> g_buff;
+moodycamel::ConcurrentQueue<unsigned long long> g_final;
+
+static void final(void *arg)
+{
+  size_t *p_n = (size_t*) arg;
+  size_t    n = *p_n;
+  unsigned long long j, s = 0;
+  for(unsigned int i = 0; i < n;i++) {
+    while (!g_final.try_dequeue(j));
+    s += j;
+  }
+  g_result = s;
+}
+
+static void conso(void *arg)
+{
+  unsigned int j;
+  size_t *p_n = (size_t*)arg;
+  size_t n = *p_n;
+  unsigned long long s = 0;
+  for(unsigned int i = 0; i < n;i++) {
+    while (!g_buff.try_dequeue(j));
+    s += j;
+  }
+  while (!g_final.try_enqueue(s));
+}
+
+static void prod(void *arg)
+{
+  size_t *p_n = (size_t*)arg;
+  size_t n = *p_n;
+  size_t r = n;
+  for(unsigned int i = 0; i < n;i++) {
+    while (!g_buff.try_enqueue(r));
+    r = r * 31421U + 6927U;
+  }
+}
+
+static void test_buffer(size_t n)
+{
+  const int cpu_count   = get_cpu_count();
+  const int prod_count  = cpu_count/2;
+  const int conso_count = cpu_count - prod_count;
+  if (cpu_count < 2) {
+    fprintf(stderr, "WARNING: Can not measure Buffer performance.\n");
+    return;
+  }
+  rand_get();
+  // Create thread
+  m_thread_t idx_p[prod_count];
+  m_thread_t idx_c[conso_count];
+  m_thread_t idx_final;
+  for(int i = 0; i < prod_count; i++) {
+    m_thread_create (idx_p[i], prod, &n);
+  }
+  for(int i = 0; i < conso_count; i++) {
+    m_thread_create (idx_c[i], conso, &n);
+  }
+  size_t n2 = conso_count;
+  m_thread_create(idx_final, final, &n2);
+
+  // Wait for jobs to be done.
+  for(int i = 0; i < prod_count; i++) {
+    m_thread_join(idx_p[i]);
+  }
+  for(int i = 0; i < conso_count; i++) {
+    m_thread_join(idx_c[i]);
+  }
+  m_thread_join(idx_final);
+
+}
+
+
+/********************************************************************************************/
+
+int main(int argc, const char *argv[])
+{
+  int n = (argc > 1) ? atoi(argv[1]) : 0;
+  if (n == 60)
+    test_function("Buffer time", 1000000, test_buffer);
+  exit(0);
+}
+

bench/bench-liblfds.c

@@ -80,6 +80,7 @@ static void test_buffer(size_t n)
     fprintf(stderr, "WARNING: Can not measure Buffer performance.\n");
     return;
   }
+  rand_get();
   // Init
   const size_t size = m_core_roundpow2(64*cpu_count);
   struct lfds711_queue_bmm_element g_buff_elements[size];
@@ -122,22 +123,6 @@ static void test_buffer(size_t n)
 int main(int argc, const char *argv[])
 {
   int n = (argc > 1) ? atoi(argv[1]) : 0;
-  /*  if (n == 10)
-    test_function("List   time",10000000, test_list);
-  if (n == 20)
-    test_function("Array  time", 100000000, test_array);
-  if (n == 30)
-    test_function("Rbtree time", 1000000, test_rbtree);
-  if (n == 40)
-    test_function("Dict   time", 1000000, test_dict);
-  if (n == 42)
-    test_function("DictOA time", 1000000, test_dict_oa);
-  if (n == 41)
-    test_function("DictB  time", 1000000, test_dict_big);
-  if (n == 43)
-    test_function("DictS  time", 1000000, test_dict_str);
-  if (n == 50)
-    test_function("Sort   time", 10000000, test_sort);*/
   if (n == 60)
     test_function("Buffer time", 1000000, test_buffer);
   exit(0);