GPU_PTX coRR_L1_L2+membar.syss-p0::p1-xgyg

{}

 P0                 | P1                 ;
 mov.s32 r0, 1      | ld.cg.s32 r0, [r1] ;
                    | membar.sys         ;
 st.cg.s32 [r1], r0 | ld.ca.s32 r2, [r3] ;

exists (1:r0=1 /\ 1:r2=0)
(device (kernel (cta (warp P0)) (cta (warp P1))))
x:global; y:global
Generated assembler
//START _litmus_P1
	ld.cg.s32 sr01, [sr11] ;
	membar.sys ;
	ld.ca.s32 sr21, [sr31] ;
//START _litmus_P0
	mov.s32 sr00, 1 ;
	st.cg.s32 [sr10], sr00 ;

Binary '/tmp/dir703448.tmp/coRR-L1-L2+membar.syss.exe' successfully loaded
Specification clusters: 2
Specification: [[(572, 3, 'R4'), (575, 1, 'R5')], [(606, 2, 'R8')]]
Cluster 0: OK
Cluster 1: OK
!!SUCCESS!!
Test coRR-L1-L2+membar.syss Allowed
Histogram (4 states)
4606  :>1:r0=0; 1:r2=0;
1428  *>1:r0=1; 1:r2=0;
60874 :>1:r0=0; 1:r2=1;
33097 :>1:r0=1; 1:r2=1;
Ok

Witnesses
Positive: 1428, Negative: 98577
Condition exists (1:r0=1 /\ 1:r2=0) is validated
Observation coRR-L1-L2+membar.syss Sometimes 1428 98577
Time coRR-L1-L2+membar.syss 8.12

  -- device info --
Name:                           Tesla C2075
Major revision number:          2
Minor revision number:          0
Total global memory:            5636554752
Total shared memory per block:  49152
Number of multiprocessors:      14

Machine: fractus
Revision 1365M, version 5.01 GPU_PTX experimental backend
Command line: ./litmus -mach TeslaC2075.cfg -gpu-verf-comp true ASPLOS/coRR-L1-L2+membar.syss.litmus -gpu-general-bc false
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_20 */
/* barrier: user */
/* speedcheck: no */
/* gpu_general_bc: false */
/* 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: 12 */
/* gpu_min_ctas: 9 */
/* gpu_max_threads: 512 */
/* gpu_min_threads: 128 */