マルチコア時代の並列プログラミング～ロックとメモリオーダリング～~ ~ nminoru@nminoru.jp http://www.nminoru.jp/~nminoru/ Java VM GC JIT Java IA-64 Web Binary Hacks Binary Hacks #94 CPU Out-of-order load/store Load ( ) Store (Store buffering) (memory ordering) CPU ( ) Binary Hacks #94 Store Buffer Store Store1 Store2 Store3 Load Store buffer Main memory/cache Register Store Buffer Cache Main memory Binary Hacks #94 Pthread mutex IPC semaphore Cmpxchg Lock-free sy
