GPU_PTX RWC+po+membar.cta-p0:p1:p2-xsys "Rf-w-s Po-d-Rs-Rs Fr-w-s Mcta-d-Ws-Rs Fr-w-s" {} P0 | P1 | P2 ; mov.s32 r0, 1 | ld.cg.s32 r0, [r1] | mov.s32 r0, 1 ; st.cg.s32 [r1], r0 | ld.cg.s32 r2, [r3] | st.cg.s32 [r1], r0 ; | | membar.cta ; | | ld.cg.s32 r2, [r3] ; exists (1:r0=1 /\ 1:r2=0 /\ 2:r2=0) (device (kernel (cta (warp P0) (warp P1) (warp P2)))) x:local; y:local Generated assembler //START _litmus_P2 mov.s32 sr02, 1 ; st.cg.s32 [sr12], sr02 ; membar.cta ; ld.cg.s32 sr22, [sr32] ; //START _litmus_P1 ld.cg.s32 sr01, [sr11] ; ld.cg.s32 sr21, [sr31] ; //START _litmus_P0 mov.s32 sr00, 1 ; st.cg.s32 [sr10], sr00 ; Binary '/tmp/dir6c5777.tmp/RWC+po+membar.cta-p0:p1:p2-xsys-0.exe' successfully loaded Specification clusters: 3 Specification: [[(596, 2, 'R8'), (598, 3, 'R4')], [(660, 3, 'R5'), (661, 3, 'R4')], [(713, 2, 'R8')]] Cluster 0: OK Cluster 1: OK Cluster 2: OK !!SUCCESS!! Test RWC+po+membar.cta-p0:p1:p2-xsys Allowed Histogram (8 states) 2846 :>1:r0=0; 1:r2=0; 2:r2=0; 205 *>1:r0=1; 1:r2=0; 2:r2=0; 4310 :>1:r0=0; 1:r2=1; 2:r2=0; 1314 :>1:r0=1; 1:r2=1; 2:r2=0; 16378 :>1:r0=0; 1:r2=0; 2:r2=1; 8916 :>1:r0=1; 1:r2=0; 2:r2=1; 5839 :>1:r0=0; 1:r2=1; 2:r2=1; 10192 :>1:r0=1; 1:r2=1; 2:r2=1; Ok Witnesses Positive: 205, Negative: 49795 Condition exists (1:r0=1 /\ 1:r2=0 /\ 2:r2=0) is validated Observation RWC+po+membar.cta-p0:p1:p2-xsys Sometimes 205 49795 Time RWC+po+membar.cta-p0:p1:p2-xsys 12.17 -- device info -- Name: GeForce GTX TITAN Major revision number: 3 Minor revision number: 5 Total global memory: 6442123264 Total shared memory per block: 49152 Number of multiprocessors: 14 Machine: formal Revision 1383, version 5.01 GPU_PTX experimental backend Command line: ./litmus -mach GTXTitan.cfg -a 8 -gpu-verf-comp true big_bucket/RWC+po+membar.cta-p0:p1:p2-xsys-0.litmus -s 50000 Parameters #ifndef SIZE_OF_TEST #define SIZE_OF_TEST 50000 #endif #ifndef NUMBER_OF_RUN #define NUMBER_OF_RUN 1 #endif /* cc options: -arch=sm_35 */ /* barrier: user */ /* speedcheck: no */ /* gpu_general_bc: true */ /* gpu_mem_stress: true */ /* gpu-rand-threads: true */ /* gpu_cuda: true */ /* gpu_gen_addr: true */ /* gpu_cvt_global_to_gen: true */ /* gpu_cvt_shared_to_gen: true */ /* gpu_max_ctas: 14 */ /* gpu_min_ctas: 10 */ /* gpu_max_threads: 512 */ /* gpu_min_threads: 128 */