GPU_PTX WRW+2W+membar.gl+membar.cta-p0:p2::p1-xgyg "Rf-c-gl2l2 Mgl-d-Rgl2-Wgl2 Ws-c-gl2l2 Mcta-d-Wgl2-Wgl2 Ws-w-gl2l2" {} P0 | P1 | P2 ; mov.s32 r0, 2 | ld.cg.s32 r0, [r1] | mov.s32 r0, 2 ; st.cg.s32 [r1], r0 | membar.gl | st.cg.s32 [r1], r0 ; | mov.s32 r2, 1 | membar.cta ; | st.cg.s32 [r3], r2 | mov.s32 r2, 1 ; | | st.cg.s32 [r3], r2 ; exists (0::x=2 /\ 1::y=2 /\ 1:r0=2) (device (kernel (cta (warp P0) (warp P2)) (cta (warp P1)))) x:global; y:global Generated assembler //START _litmus_P2 mov.s32 sr02, 2 ; st.cg.s32 [sr12], sr02 ; membar.cta ; mov.s32 sr22, 1 ; st.cg.s32 [sr32], sr22 ; //START _litmus_P1 ld.cg.s32 sr01, [sr11] ; membar.gl ; mov.s32 sr21, 1 ; st.cg.s32 [sr31], sr21 ; //START _litmus_P0 mov.s32 sr00, 2 ; st.cg.s32 [sr10], sr00 ; Binary '/tmp/dird0abca.tmp/WRW+2W+membar.gl+membar.cta-p0:p2::p1-xgyg-0.exe' successfully loaded Specification clusters: 3 Specification: [[(514, 2, 'R10'), (516, 2, 'R12')], [(562, 3, 'R4'), (561, 2, 'R12')], [(609, 2, 'R10')]] Cluster 0: OK Cluster 1: OK Cluster 2: OK !!SUCCESS!! Test WRW+2W+membar.gl+membar.cta-p0:p2::p1-xgyg Allowed Histogram (6 states) 40518 :>1:r0=0; 0::x=1; 1::y=1; 8727 :>1:r0=1; 0::x=1; 1::y=1; 32078 :>1:r0=2; 0::x=1; 1::y=1; 11284 :>1:r0=0; 0::x=2; 1::y=1; 4027 :>1:r0=1; 0::x=2; 1::y=1; 3366 :>1:r0=2; 0::x=2; 1::y=1; No Witnesses Positive: 0, Negative: 100000 Condition exists (0::x=2 /\ 1::y=2 /\ 1:r0=2) is NOT validated Observation WRW+2W+membar.gl+membar.cta-p0:p2::p1-xgyg Never 0 100000 Time WRW+2W+membar.gl+membar.cta-p0:p2::p1-xgyg 39.14 -- device info -- Name: GeForce GTX 660 Major revision number: 3 Minor revision number: 0 Total global memory: 2147155968 Total shared memory per block: 49152 Number of multiprocessors: 5 Machine: csu8975 Revision 967, version 5.01 GPU_PTX experimental backend Command line: ./litmus -gpu -ccopts -arch=sm_30 -gpu-max-ctas 8 -gpu-min-ctas 4 tests-sm30/WRW+2W+membar.gl+membar.cta-p0:p2::p1-xgyg-0.litmus Parameters #ifndef SIZE_OF_TEST #define SIZE_OF_TEST 100000 #endif #ifndef NUMBER_OF_RUN #define NUMBER_OF_RUN 1 #endif /* cc options: -arch=sm_30 */ /* 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: 8 */ /* gpu_min_ctas: 4 */ /* gpu_max_threads: 512 */ /* gpu_min_threads: 128 */