GPU_PTX WRW+WR+ctrl+membar.gl-p0::p1:p2-xgys "Rf-c-gl2l2 Ctrl-d-gl2-Wsl2 Ws-w-sl2l2 Mgl-d-Wsl2-Rgl2 Fr-c-gl2l2" {} P0 | P1 | P2 ; mov.s32 r0, 1 | ld.cg.s32 r0, [r1] | mov.s32 r0, 2 ; st.cg.s32 [r1], r0 | and.b32 r2, r0 2147483648 | st.cg.s32 [r1], r0 ; | setp.eq.b32 p1, r2, 0 | membar.gl ; | @p1 bra LC00 | ld.cg.s32 r2, [r3] ; | mov.s64 r4, 3494 | ; | LC00: | ; | mov.s32 r3, 1 | ; | st.cg.s32 [r4], r3 | ; exists (1::y=2 /\ 1:r0=1 /\ 2:r2=0) (device (kernel (cta (warp P0)) (cta (warp P1) (warp P2)))) x:global; y:local Generated assembler //START _litmus_P2 mov.s32 sr02, 2 ; st.cg.s32 [sr12], sr02 ; membar.gl ; ld.cg.s32 sr22, [sr32] ; //START _litmus_P1 ld.cg.s32 sr01, [sr11] ; and.b32 sr21, sr01, 2147483648 ; setp.eq.b32 sp11, sr21, 0 ; @sp11 bra LC00 ; mov.s64 sr41, 3494 ; LC00: mov.s32 sr31, 1 ; st.cg.s32 [sr41], sr31 ; //START _litmus_P0 mov.s32 sr00, 1 ; st.cg.s32 [sr10], sr00 ; Binary '/tmp/diradc11d.tmp/WRW+WR+ctrl+membar.gl-p0::p1:p2-xgys-0.exe' successfully loaded Specification clusters: 3 Specification: [[(512, 2, 'R8'), (513, 3, 'R4')], [(572, 3, 'R4'), (571, 2, 'R12')], [(615, 2, 'R10')]] Cluster 0: OK Cluster 1: OK Cluster 2: OK !!SUCCESS!! Test WRW+WR+ctrl+membar.gl-p0::p1:p2-xgys Allowed Histogram (5 states) 1 :>1:r0=0; 2:r2=0; 1::y=1; 54618 :>1:r0=0; 2:r2=1; 1::y=1; 38051 :>1:r0=1; 2:r2=1; 1::y=1; 6106 :>1:r0=0; 2:r2=1; 1::y=2; 1224 :>1:r0=1; 2:r2=1; 1::y=2; No Witnesses Positive: 0, Negative: 100000 Condition exists (1::y=2 /\ 1:r0=1 /\ 2:r2=0) is NOT validated Observation WRW+WR+ctrl+membar.gl-p0::p1:p2-xgys Never 0 100000 Time WRW+WR+ctrl+membar.gl-p0::p1:p2-xgys 32.32 -- 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+WR+ctrl+membar.gl-p0::p1:p2-xgys-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 */