LISA IRWIW+poacquirerelease+poacquireonce+OnceRelease "RfeOnceAcquire PodRWAcquireRelease WseReleaseRelease RfeReleaseAcquire PodRWAcquireOnce WseOnceOnce" Cycle=PodRWAcquireOnce WseOnceOnce RfeOnceAcquire PodRWAcquireRelease WseReleaseRelease RfeReleaseAcquire Relax=RfeOnceAcquire RfeReleaseAcquire WseReleaseRelease Safe=PodRWAcquireOnce PodRWAcquireRelease WseOnceOnce Prefetch=1:x=F,1:y=W,3:y=F,3:x=W Com=Rf Ws Rf Ws Orig=RfeOnceAcquire PodRWAcquireRelease WseReleaseRelease RfeReleaseAcquire PodRWAcquireOnce WseOnceOnce { } P0 | P1 | P2 | P3 ; w[once] x 2 | r[acquire] r0 x | w[release] y 2 | r[acquire] r0 y ; | w[release] y 1 | | w[once] x 1 ; Observed y=2; x=2; 3:r0=2; 1:r0=2; and y=2; x=2; 3:r0=2; 1:r0=1; and y=2; x=1; 3:r0=2; 1:r0=1;