GPU_PTX IRWIW+membar.ctas-p0:p2::p1::p3-xgyg "Rf-c-g Mcta-d-Rg-Wg Ws-c-g Rf-c-g Mcta-d-Rg-Wg Ws-c-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.cta | st.cg.s32 [r1], r0 | membar.cta ; | mov.s32 r2, 1 | | mov.s32 r2, 1 ; | st.cg.s32 [r3], r2 | | st.cg.s32 [r3], r2 ; exists (0::x=2 /\ 1::y=2 /\ 1:r0=2 /\ 3:r0=2) (device (kernel (cta (warp P0) (warp P2)) (cta (warp P1)) (cta (warp P3)))) x:global; y:global Generated assembler //START _litmus_P3 ld.cg.s32 sr03, [sr13] ; membar.cta ; mov.s32 sr23, 1 ; st.cg.s32 [sr33], sr23 ; //START _litmus_P2 mov.s32 sr02, 2 ; st.cg.s32 [sr12], sr02 ; //START _litmus_P1 ld.cg.s32 sr01, [sr11] ; membar.cta ; mov.s32 sr21, 1 ; st.cg.s32 [sr31], sr21 ; //START _litmus_P0 mov.s32 sr00, 2 ; st.cg.s32 [sr10], sr00 ; Binary '/tmp/dir87ee5a.tmp/IRWIW+membar.ctas-p0:p2::p1::p3-xgyg-0.exe' successfully loaded Specification clusters: 4 Specification: [[(636, 3, 'R4'), (633, 2, 'R10')], [(676, 2, 'R10')], [(722, 3, 'R4'), (720, 2, 'R10')], [(767, 2, 'R10')]] Cluster 0: OK Cluster 1: OK Cluster 2: OK Cluster 3: OK !!SUCCESS!! Test IRWIW+membar.ctas-p0:p2::p1::p3-xgyg Allowed Histogram (36 states) 3896 :>1:r0=0; 3:r0=0; 0::x=1; 1::y=1; 2579 :>1:r0=1; 3:r0=0; 0::x=1; 1::y=1; 4143 :>1:r0=2; 3:r0=0; 0::x=1; 1::y=1; 3470 :>1:r0=0; 3:r0=1; 0::x=1; 1::y=1; 165 :>1:r0=1; 3:r0=1; 0::x=1; 1::y=1; 1785 :>1:r0=2; 3:r0=1; 0::x=1; 1::y=1; 4474 :>1:r0=0; 3:r0=2; 0::x=1; 1::y=1; 1614 :>1:r0=1; 3:r0=2; 0::x=1; 1::y=1; 5121 :>1:r0=2; 3:r0=2; 0::x=1; 1::y=1; 2480 :>1:r0=0; 3:r0=0; 0::x=2; 1::y=1; 1497 :>1:r0=1; 3:r0=0; 0::x=2; 1::y=1; 1599 :>1:r0=2; 3:r0=0; 0::x=2; 1::y=1; 538 :>1:r0=0; 3:r0=1; 0::x=2; 1::y=1; 110 :>1:r0=1; 3:r0=1; 0::x=2; 1::y=1; 70 :>1:r0=2; 3:r0=1; 0::x=2; 1::y=1; 1479 :>1:r0=0; 3:r0=2; 0::x=2; 1::y=1; 435 :>1:r0=1; 3:r0=2; 0::x=2; 1::y=1; 491 :>1:r0=2; 3:r0=2; 0::x=2; 1::y=1; 2542 :>1:r0=0; 3:r0=0; 0::x=1; 1::y=2; 225 :>1:r0=1; 3:r0=0; 0::x=1; 1::y=2; 1389 :>1:r0=2; 3:r0=0; 0::x=1; 1::y=2; 1966 :>1:r0=0; 3:r0=1; 0::x=1; 1::y=2; 48 :>1:r0=1; 3:r0=1; 0::x=1; 1::y=2; 448 :>1:r0=2; 3:r0=1; 0::x=1; 1::y=2; 2298 :>1:r0=0; 3:r0=2; 0::x=1; 1::y=2; 84 :>1:r0=1; 3:r0=2; 0::x=1; 1::y=2; 644 :>1:r0=2; 3:r0=2; 0::x=1; 1::y=2; 2065 :>1:r0=0; 3:r0=0; 0::x=2; 1::y=2; 696 :>1:r0=1; 3:r0=0; 0::x=2; 1::y=2; 157 :>1:r0=2; 3:r0=0; 0::x=2; 1::y=2; 909 :>1:r0=0; 3:r0=1; 0::x=2; 1::y=2; 90 :>1:r0=1; 3:r0=1; 0::x=2; 1::y=2; 31 :>1:r0=2; 3:r0=1; 0::x=2; 1::y=2; 374 :>1:r0=0; 3:r0=2; 0::x=2; 1::y=2; 52 :>1:r0=1; 3:r0=2; 0::x=2; 1::y=2; 36 *>1:r0=2; 3:r0=2; 0::x=2; 1::y=2; Ok Witnesses Positive: 36, Negative: 49964 Condition exists (0::x=2 /\ 1::y=2 /\ 1:r0=2 /\ 3:r0=2) is validated Observation IRWIW+membar.ctas-p0:p2::p1::p3-xgyg Sometimes 36 49964 Time IRWIW+membar.ctas-p0:p2::p1::p3-xgyg 18.28 -- 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/IRWIW+membar.ctas-p0:p2::p1::p3-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_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 */