1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252
#![cfg_attr(test, feature(test))] extern crate parking_lot; extern crate futures; pub mod primitives; #[macro_use] pub mod handle; pub mod containers; pub mod sync; #[cfg(target_pointer_width = "16")] const POINTER_BITS: usize = 16; #[cfg(target_pointer_width = "32")] const POINTER_BITS: usize = 32; #[cfg(target_pointer_width = "64")] const POINTER_BITS: usize = 64; #[cfg(target_pointer_width = "128")] const POINTER_BITS: usize = 128; #[cfg(test)] mod tests { extern crate test; use self::test::Bencher; use std::thread; use std::sync::{Mutex, Arc}; fn atomic_cell_smoke() { use primitives::atomic_cell::AtomicCell; let results = Arc::new(Mutex::new(Vec::new())); let results0 = results.clone(); let results1 = results.clone(); let cell = AtomicCell::new(0); let cell0 = cell.clone(); let cell1 = cell.clone(); let thread0 = thread::spawn(move || { let mut result = Vec::new(); for i in 1..1000000 { result.push(cell0.swap(i)); } results0.lock().unwrap().extend(result.into_iter()); }); let thread1 = thread::spawn(move || { let mut result = Vec::new(); for i in 1000000..2000000 { result.push(cell1.swap(i)); } results1.lock().unwrap().extend(result.into_iter()); }); thread0.join().unwrap(); thread1.join().unwrap(); let mut v = results.lock().unwrap(); v.push(cell.swap(0)); v.sort(); assert_eq!(v.len(), 2000000); for (a, &b) in v.iter().enumerate() { assert_eq!(a, b); } } fn bounded_atomic_cell_smoke() { use containers::atomic_cell::BoundedAtomicCell; let results = Arc::new(Mutex::new(Vec::new())); let results0 = results.clone(); let results1 = results.clone(); let mut cell = BoundedAtomicCell::new(5, 0); let mut cell0 = cell.clone(); let mut cell1 = cell.clone(); let thread0 = thread::spawn(move || { let mut result = Vec::new(); for i in 1..1000000 { result.push(cell0.swap(i)); } results0.lock().unwrap().extend(result.into_iter()); }); let thread1 = thread::spawn(move || { let mut result = Vec::new(); for i in 1000000..2000000 { result.push(cell1.swap(i)); } results1.lock().unwrap().extend(result.into_iter()); }); thread0.join().unwrap(); thread1.join().unwrap(); let mut v = results.lock().unwrap(); v.push(cell.swap(0)); v.sort(); assert_eq!(v.len(), 2000000); for (a, &b) in v.iter().enumerate() { assert_eq!(a, b); } } fn resizing_atomic_cell_smoke() { use containers::atomic_cell::ResizingAtomicCell; let results = Arc::new(Mutex::new(Vec::new())); let results0 = results.clone(); let results1 = results.clone(); let mut cell = ResizingAtomicCell::new(5, 0); let mut cell0 = cell.clone(); let mut cell1 = cell.clone(); let thread0 = thread::spawn(move || { let mut result = Vec::new(); for i in 1..1000000 { result.push(cell0.swap(i)); } results0.lock().unwrap().extend(result.into_iter()); }); let thread1 = thread::spawn(move || { let mut result = Vec::new(); for i in 1000000..2000000 { result.push(cell1.swap(i)); } results1.lock().unwrap().extend(result.into_iter()); }); thread0.join().unwrap(); thread1.join().unwrap(); let mut v = results.lock().unwrap(); v.push(cell.swap(0)); v.sort(); assert_eq!(v.len(), 2000000); for (a, &b) in v.iter().enumerate() { assert_eq!(a, b); } } fn bounded_mpsc_queue_smoke() { use containers::mpsc_queue::{BoundedMpscQueueSender, BoundedMpscQueueReceiver}; use std::time::Duration; let sender_count = 20; let rapid_fire = 10; let iterations = 10; let mut threads = Vec::with_capacity(sender_count); let mut receiver = BoundedMpscQueueReceiver::new(sender_count, 50); for i in 0..sender_count { let mut sender = BoundedMpscQueueSender::new(&receiver); threads.push(thread::spawn(move || { for _ in 0..iterations { for _ in 0..rapid_fire { while sender.send(i).is_err() { thread::sleep(Duration::from_millis(1)); } } thread::sleep(Duration::from_millis(1)); } })); } let expected = rapid_fire*iterations*sender_count; let mut results = vec![0; sender_count]; for _ in 0..expected { loop { if let Ok(v) = receiver.receive() { results[v] += 1; break; } } } for t in threads { let _ = t.join(); } for r in results { assert!(r == rapid_fire*iterations); } } fn bounded_mpmc_queue_smoke() { use containers::mpmc_queue::{BoundedMpmcQueueSender, BoundedMpmcQueueReceiver, self}; use std::time::Duration; let sender_count = 20; let rapid_fire = 10; let iterations = 1000; let mut threads = Vec::with_capacity(sender_count); let (sender, receiver): (BoundedMpmcQueueSender<_>, BoundedMpmcQueueReceiver<_>) = mpmc_queue::new(sender_count*2+2, 50); let results = Arc::new(Mutex::new(vec![0; sender_count])); for i in 0..sender_count { let mut sender = sender.clone(); let mut receiver = receiver.clone(); let results = results.clone(); threads.push(thread::spawn(move || { for _ in 0..iterations { for _ in 0..rapid_fire { while sender.send(i).is_err() { thread::sleep(Duration::from_millis(1)); } } thread::sleep(Duration::from_millis(1)); } })); threads.push(thread::spawn(move || { let mut tmp = vec![0; sender_count]; for _ in 0..iterations { for _ in 0..rapid_fire { loop { if let Ok(i) = receiver.receive() { tmp[i] += 1; break; } thread::sleep(Duration::from_millis(1)); } } thread::sleep(Duration::from_millis(1)); } let mut r = results.lock().unwrap(); for index in 0..sender_count { (*r)[index] += tmp[index]; } })); } for t in threads { let _ = t.join(); } for &r in &*results.lock().unwrap() { assert!(r == rapid_fire*iterations); } } #[bench] fn atomic_cell_bench(b: &mut Bencher) { b.iter(|| atomic_cell_smoke()) } #[bench] fn bounded_atomic_cell_bench(b: &mut Bencher) { b.iter(|| bounded_atomic_cell_smoke()) } #[bench] fn resizing_atomic_cell_bench(b: &mut Bencher) { b.iter(|| resizing_atomic_cell_smoke()) } #[bench] fn bounded_mpsc_queue_bench(b: &mut Bencher) { b.iter(|| bounded_mpsc_queue_smoke()) } #[bench] fn bounded_mpmc_queue_bench(b: &mut Bencher) { b.iter(|| bounded_mpmc_queue_smoke()) } }