From faf1fc56d0e790529329641d3a122573d0aaff1e Mon Sep 17 00:00:00 2001
From: Patrick Pelissier <Patrick.Pelissier@gmail.com>
Date: Thu, 31 Aug 2017 23:12:51 +0200
Subject: [PATCH] Add bench of boost / locked free queue

---
 bench/Makefile        |  8 ++++
 bench/bench-boost.cpp | 98 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 106 insertions(+)
 create mode 100644 bench/bench-boost.cpp

diff --git a/bench/Makefile b/bench/Makefile
index d14ef61b..b3914b1a 100644
--- a/bench/Makefile
+++ b/bench/Makefile
@@ -192,6 +192,7 @@ bench-libsrt0:
 	@./bench-libsrt.exe 43
 	@./bench-libsrt.exe 50
 
+
 # LIBLFDS shall point to the directory where the bin/build/inc/obj/src directories are
 # The library shall be built.
 bench-liblfds:
@@ -201,6 +202,7 @@ 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:
@@ -210,6 +212,12 @@ bench-concurrentqueue0:
 	$(CXX) $(CFLAGS) $(CPPFLAGS) -I "$${CONCURRENTQUEUE}/" bench-concurrentqueue.cpp -o bench-concurrentqueue.exe -lpthread
 	@./bench-concurrentqueue.exe 60
 
+
+# BOOST is assumed to be installed in the system
+bench-boost:
+	$(CXX) $(CFLAGS) $(CPPFLAGS) bench-boost.cpp -o bench-boost.exe -lpthread
+	@./bench-boost.exe 60
+
 ############################################################################
 
 bench-plain:
diff --git a/bench/bench-boost.cpp b/bench/bench-boost.cpp
new file mode 100644
index 00000000..8d6ea7d6
--- /dev/null
+++ b/bench/bench-boost.cpp
@@ -0,0 +1,98 @@
+#define NDEBUG
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdbool.h>
+
+#include <boost/lockfree/queue.hpp>
+
+#include "m-mutex.h"
+#define MULTI_THREAD_MEASURE
+#include "common.h"
+
+
+/********************************************************************************************/
+boost::lockfree::queue<unsigned int, boost::lockfree::capacity<4*64>> g_buff;
+boost::lockfree::queue<unsigned long long, boost::lockfree::capacity<4*64>> 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.pop(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.pop(j));
+    s += j;
+  }
+  while (!g_final.push(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.push(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);
+}
+