2 This file is a part of libcds - Concurrent Data Structures library
4 (C) Copyright Maxim Khizhinsky (libcds.dev@gmail.com) 2006-2017
6 Source code repo: http://github.com/khizmax/libcds/
7 Download: http://sourceforge.net/projects/libcds/files/
9 Redistribution and use in source and binary forms, with or without
10 modification, are permitted provided that the following conditions are met:
12 * Redistributions of source code must retain the above copyright notice, this
13 list of conditions and the following disclaimer.
15 * Redistributions in binary form must reproduce the above copyright notice,
16 this list of conditions and the following disclaimer in the documentation
17 and/or other materials provided with the distribution.
19 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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31 #include <cds_test/stress_test.h>
33 #include <cds/intrusive/free_list.h>
34 #include <cds/intrusive/free_list_cached.h>
35 #ifdef CDS_DCAS_SUPPORT
36 # include <cds/intrusive/free_list_tagged.h>
40 class put_get_single: public cds_test::stress_fixture
43 static size_t s_nThreadCount;
44 static size_t s_nPassCount;
46 template <typename FreeList >
47 struct value_type: public FreeList::node
49 atomics::atomic<size_t> counter;
56 template <class FreeList>
57 class Worker: public cds_test::thread
59 typedef cds_test::thread base_class;
62 size_t m_nSuccess = 0;
65 Worker( cds_test::thread_pool& pool, FreeList& s )
72 , m_FreeList( src.m_FreeList )
75 virtual thread * clone()
77 return new Worker( *this );
82 typedef value_type<FreeList> item_type;
84 for ( size_t pass = 0; pass < s_nPassCount; ++pass ) {
86 while ( (p = static_cast<item_type*>( m_FreeList.get())) == nullptr );
87 p->counter.fetch_add( 1, atomics::memory_order_relaxed );
94 static void SetUpTestCase()
96 cds_test::config const& cfg = get_config( "free_list" );
98 s_nThreadCount = cfg.get_size_t( "ThreadCount", s_nThreadCount );
99 s_nPassCount = cfg.get_size_t( "PassCount", s_nPassCount );
101 if ( s_nThreadCount == 0 )
103 if ( s_nPassCount == 0 )
106 // Override the pass count.
107 s_nPassCount = cfg.get_size_t("PutGetSinglePassCount", s_nPassCount);
109 //static void TearDownTestCase();
113 template <typename FreeList>
114 void test( FreeList& list )
116 cds_test::thread_pool& pool = get_pool();
118 value_type<FreeList> item;;
121 pool.add( new Worker<FreeList>( pool, list ), s_nThreadCount );
123 propout() << std::make_pair( "work_thread", s_nThreadCount )
124 << std::make_pair( "pass_count", s_nPassCount );
126 std::chrono::milliseconds duration = pool.run();
128 propout() << std::make_pair( "duration", duration );
131 EXPECT_EQ( item.counter.load( atomics::memory_order_relaxed ), s_nPassCount * s_nThreadCount );
133 list.clear( []( typename FreeList::node* ) {} );
137 size_t put_get_single::s_nThreadCount = 4;
138 size_t put_get_single::s_nPassCount = 100000;
140 #define CDSSTRESS_FREELIST_F( name, freelist_type ) \
141 TEST_F( put_get_single, name ) \
147 CDSSTRESS_FREELIST_F( FreeList, cds::intrusive::FreeList )
149 typedef cds::intrusive::CachedFreeList<cds::intrusive::FreeList> cached_free_list;
150 CDSSTRESS_FREELIST_F( CachedFreeList, cached_free_list )
152 #ifdef CDS_DCAS_SUPPORT
153 TEST_F( put_get_single, TaggetFreeList )
160 atomics::atomic<tagged_ptr> tp;
161 if ( tp.is_lock_free()) {
162 cds::intrusive::TaggedFreeList fl;
166 std::cout << "Double-width CAS is not supported\n";