GPU_PTX LB+membar.cta+data-p0:p1-xgys
"Mcta-d-Rg-Ws Rf-w-s Data-d-s-Wg Rf-w-g"

{}

 P0                 | P1                        ;
 ld.cg.s32 r0, [r1] | ld.cg.s32 r0, [r1]        ;
 membar.cta         | and.b32 r2, r0 2147483648 ;
 mov.s32 r2, 1      | add.s32 r2, r2 1          ;
 st.cg.s32 [r3], r2 | st.cg.s32 [r3], r2        ;

exists (0:r0=1 /\ 1:r0=1)
(device (kernel (cta (warp P0) (warp P1))))
x:global; y:local
Generated assembler
//START _litmus_P1
	ld.cg.s32 sr01, [sr11] ;
	and.b32 sr21, sr01, 2147483648 ;
	add.s32 sr21, sr21, 1 ;
	st.cg.s32 [sr31], sr21 ;
//START _litmus_P0
	ld.cg.s32 sr00, [sr10] ;
	membar.cta ;
	mov.s32 sr20, 1 ;
	st.cg.s32 [sr30], sr20 ;

Binary '/tmp/dirfd04ff.tmp/LB+membar.cta+data-p0:p1-xgys-0.exe' successfully loaded
Specification clusters: 2
Specification: [[(498, 3, 'R4'), (496, 2, 'R12')], [(555, 3, 'R4'), (552, 2, 'R12')]]
Cluster 0: OK
Cluster 1: OK
!!SUCCESS!!
Test LB+membar.cta+data-p0:p1-xgys Allowed
Histogram (3 states)
26465 :>0:r0=0; 1:r0=0;
16869 :>0:r0=1; 1:r0=0;
6666  :>0:r0=0; 1:r0=1;
No

Witnesses
Positive: 0, Negative: 50000
Condition exists (0:r0=1 /\ 1:r0=1) is NOT validated
Observation LB+membar.cta+data-p0:p1-xgys Never 0 50000
Time LB+membar.cta+data-p0:p1-xgys 2.40

  -- device info --
Name:                           GeForce GT 540M
Major revision number:          2
Minor revision number:          1
Total global memory:            1072889856
Total shared memory per block:  49152
Number of multiprocessors:      2

Machine: DeepThought3
Revision 1371, version 5.01 GPU_PTX experimental backend
Command line: ./litmus -mach GTX540m.cfg -a 8 -gpu-verf-comp true big_bucket/LB+membar.cta+data-p0:p1-xgys-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_21 */
/* 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: 4 */
/* gpu_min_ctas: 4 */
/* gpu_max_threads: 128 */
/* gpu_min_threads: 128 */