GPU_PTX IRWIW+membar.gl+ctrl-p0:p3::p1::p2-xgyg "Rf-c-g Mgl-d-Rg-Wg Ws-c-g Rf-c-g Ctrl-d-g-Wg Ws-w-g" {} P0 | P1 | P2 | P3 ; mov.s32 r0, 2 | ld.cg.s32 r0, [r1] | mov.s32 r0, 2 | ld.cg.s32 r0, [r1] ; st.cg.s32 [r1], r0 | membar.gl | st.cg.s32 [r1], r0 | and.b32 r2, r0 2147483648 ; | mov.s32 r2, 1 | | setp.eq.b32 p4, r2, 0 ; | st.cg.s32 [r3], r2 | | @p4 bra LC00 ; | | | mov.s64 r4, 3494 ; | | | LC00: ; | | | mov.s32 r3, 1 ; | | | st.cg.s32 [r4], r3 ; exists (0::x=2 /\ 1::y=2 /\ 1:r0=2 /\ 3:r0=2) (device (kernel (cta (warp P0) (warp P3)) (cta (warp P1)) (cta (warp P2)))) x:global; y:global Generated assembler //START _litmus_P3 ld.cg.s32 sr03, [sr13] ; and.b32 sr23, sr03, 2147483648 ; setp.eq.b32 sp43, sr23, 0 ; @sp43 bra LC00 ; mov.s64 sr43, 3494 ; LC00: mov.s32 sr33, 1 ; st.cg.s32 [sr43], sr33 ; //START _litmus_P2 mov.s32 sr02, 2 ; st.cg.s32 [sr12], sr02 ; //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/dirbbbd29.tmp/IRWIW+membar.gl+ctrl-p0:p3::p1::p2-xgyg-0.exe' successfully loaded Specification clusters: 4 Specification: [[(770, 3, 'R0'), (771, 2, 'R10')], [(823, 2, 'R8')], [(882, 3, 'R0'), (883, 2, 'R10')], [(941, 2, 'R8')]] Cluster 0: OK Cluster 1: OK Cluster 2: OK Cluster 3: OK !!SUCCESS!! Test IRWIW+membar.gl+ctrl-p0:p3::p1::p2-xgyg Allowed Histogram (27 states) 3286 :>1:r0=0; 3:r0=0; 0::x=1; 1::y=1; 15643 :>1:r0=1; 3:r0=0; 0::x=1; 1::y=1; 5259 :>1:r0=2; 3:r0=0; 0::x=1; 1::y=1; 1130 :>1:r0=0; 3:r0=1; 0::x=1; 1::y=1; 160 :>1:r0=2; 3:r0=1; 0::x=1; 1::y=1; 3979 :>1:r0=0; 3:r0=2; 0::x=1; 1::y=1; 3583 :>1:r0=1; 3:r0=2; 0::x=1; 1::y=1; 5085 :>1:r0=2; 3:r0=2; 0::x=1; 1::y=1; 566 :>1:r0=0; 3:r0=0; 0::x=2; 1::y=1; 642 :>1:r0=1; 3:r0=0; 0::x=2; 1::y=1; 2504 :>1:r0=2; 3:r0=0; 0::x=2; 1::y=1; 11 :>1:r0=0; 3:r0=1; 0::x=2; 1::y=1; 305 :>1:r0=0; 3:r0=2; 0::x=2; 1::y=1; 151 :>1:r0=1; 3:r0=2; 0::x=2; 1::y=1; 295 :>1:r0=2; 3:r0=2; 0::x=2; 1::y=1; 2434 :>1:r0=0; 3:r0=0; 0::x=1; 1::y=2; 254 :>1:r0=1; 3:r0=0; 0::x=1; 1::y=2; 2174 :>1:r0=2; 3:r0=0; 0::x=1; 1::y=2; 920 :>1:r0=0; 3:r0=1; 0::x=1; 1::y=2; 121 :>1:r0=2; 3:r0=1; 0::x=1; 1::y=2; 620 :>1:r0=0; 3:r0=2; 0::x=1; 1::y=2; 44 :>1:r0=2; 3:r0=2; 0::x=1; 1::y=2; 758 :>1:r0=0; 3:r0=0; 0::x=2; 1::y=2; 48 :>1:r0=1; 3:r0=0; 0::x=2; 1::y=2; 5 :>1:r0=2; 3:r0=0; 0::x=2; 1::y=2; 21 :>1:r0=0; 3:r0=1; 0::x=2; 1::y=2; 2 :>1:r0=0; 3:r0=2; 0::x=2; 1::y=2; No Witnesses Positive: 0, Negative: 50000 Condition exists (0::x=2 /\ 1::y=2 /\ 1:r0=2 /\ 3:r0=2) is NOT validated Observation IRWIW+membar.gl+ctrl-p0:p3::p1::p2-xgyg Never 0 50000 Time IRWIW+membar.gl+ctrl-p0:p3::p1::p2-xgyg 5.28 -- device info -- Name: GeForce GTX 750 Ti Major revision number: 5 Minor revision number: 0 Total global memory: 2147287040 Total shared memory per block: 49152 Number of multiprocessors: 5 Machine: formal Revision 1383, version 5.01 GPU_PTX experimental backend Command line: ./litmus -mach GTX750.cfg -a 8 -gpu-verf-comp true big_bucket/IRWIW+membar.gl+ctrl-p0:p3::p1::p2-xgyg-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_50 */ /* 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: 5 */ /* gpu_min_ctas: 4 */ /* gpu_max_threads: 256 */ /* gpu_min_threads: 128 */