From df3007d2a04877ef2f707183014266d2086d1740 Mon Sep 17 00:00:00 2001
From: Determinant <ted.sybil@gmail.com>
Date: Fri, 5 Apr 2019 23:25:50 -0400
Subject: WIP: new lock-free queue impl

---
 test/test_queue.cpp | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

(limited to 'test')

diff --git a/test/test_queue.cpp b/test/test_queue.cpp
index c565db3..5c56585 100644
--- a/test/test_queue.cpp
+++ b/test/test_queue.cpp
@@ -14,6 +14,7 @@ void test_mpsc(int nproducers, int nops, size_t burst_size) {
     std::atomic<size_t> collected(0);
     using queue_t = salticidae::MPSCQueueEventDriven<int>;
     queue_t q;
+    q.set_capacity(65536);
     q.reg_handler(ec, [&collected, burst_size](queue_t &q) {
         size_t cnt = burst_size;
         int x;
@@ -34,6 +35,7 @@ void test_mpsc(int nproducers, int nops, size_t burst_size) {
         timer.add(1);
         ec.dispatch();
     });
+
     for (int i = 0; i < nproducers; i++)
     {
         producers.emplace(producers.end(), std::thread([&q, nops, i, nproducers]() {
@@ -41,7 +43,8 @@ void test_mpsc(int nproducers, int nops, size_t burst_size) {
             for (int j = 0; j < nops; j++)
             {
                 //usleep(rand() / double(RAND_MAX) * 100);
-                q.enqueue(x);
+                while (!q.try_enqueue(x))
+                    std::this_thread::yield();
                 x += nproducers;
             }
         }));
@@ -52,7 +55,7 @@ void test_mpsc(int nproducers, int nops, size_t burst_size) {
     SALTICIDAE_LOG_INFO("consumers terminate");
 }
 
-void test_mpmc(int nproducers, int nconsumers, int nops, size_t burst_size) {
+/*void test_mpmc(int nproducers, int nconsumers, int nops, size_t burst_size) {
     size_t total = nproducers * nops;
     using queue_t = salticidae::MPMCQueueEventDriven<int>;
     queue_t q;
@@ -95,7 +98,7 @@ void test_mpmc(int nproducers, int nconsumers, int nops, size_t burst_size) {
             for (int j = 0; j < nops; j++)
             {
                 //usleep(rand() / double(RAND_MAX) * 100);
-                q.enqueue(x);
+                q.try_enqueue(x);
                 x += nproducers;
             }
         }));
@@ -105,6 +108,7 @@ void test_mpmc(int nproducers, int nconsumers, int nops, size_t burst_size) {
     for (auto &t: consumers) t.join();
     SALTICIDAE_LOG_INFO("consumers terminate");
 }
+*/
 
 int main(int argc, char **argv) {
     Config config;
@@ -136,8 +140,8 @@ int main(int argc, char **argv) {
     else
     {
         SALTICIDAE_LOG_INFO("testing an MPMC queue...");
-        test_mpmc(opt_nproducers->get(), opt_nconsumers->get(),
-                opt_nops->get(), opt_burst_size->get());
+        //test_mpmc(opt_nproducers->get(), opt_nconsumers->get(),
+        //        opt_nops->get(), opt_burst_size->get());
     }
     return 0;
 }
-- 
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