GPU_PTX dlb_mp-p0::p1-xgyg

{}

 P0                       | P1                       ;
 mov.u32 r0, 1            | ld.volatile.u32 r0, [r3] ;
 st.cg.u32 [r3], r0       | setp.eq.u32 p4, r0, 0    ;
                          |                          ;
 ld.volatile.u32 r2, [r1] | @!p4 ld.cg.u32 r2, [r1]  ;
 add.s32 r2, r2 1         |                          ;
 st.volatile.u32 [r1], r2 |                          ;

exists (1:r0=1 /\ 1:r2=0)
(device (kernel (cta (warp P0)) (cta (warp P1))))
y:global; x:global
Generated assembler
//START _litmus_P1
	ld.volatile.u32 sr01, [sr31] ;
	setp.eq.u32 sp41, sr01, 0 ;
	@!sp41 ld.cg.u32 sr21, [sr11] ;
//START _litmus_P0
	mov.u32 sr00, 1 ;
	st.cg.u32 [sr30], sr00 ;
	ld.volatile.u32 sr20, [sr10] ;
	add.s32 sr20, sr20, 1 ;
	st.volatile.u32 [sr10], sr20 ;

Binary '/tmp/dir2c2d6a.tmp/dlb-mp.exe' successfully loaded
Specification clusters: 2
Specification: [[(487, 9, 'R5'), (490, 3, 'R4')], [(535, 2, 'R12'), (533, 9, 'R4'), (536, 8, 'R10')]]
Cluster 0: OK
Cluster 1: OK
!!SUCCESS!!
Test dlb-mp Allowed
Histogram (6 states)
36    *>1:r0=1; 1:r2=0;
1985  :>1:r0=1; 1:r2=1;
24258 :>1:r0=0; 1:r2=1311776;
24653 :>1:r0=0; 1:r2=1311780;
24432 :>1:r0=0; 1:r2=1311784;
24636 :>1:r0=0; 1:r2=1311788;
Ok

Witnesses
Positive: 36, Negative: 99964
Condition exists (1:r0=1 /\ 1:r2=0) is validated
Observation dlb-mp Sometimes 36 99964
Time dlb-mp 6.81

  -- 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 1398M, version 5.01 GPU_PTX experimental backend
Command line: ./litmus -mach GTX660.cfg -gpu-verf-comp true ASPLOS/dlb-mp.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_30 */
/* 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: 5 */
/* gpu_min_ctas: 4 */
/* gpu_max_threads: 256 */
/* gpu_min_threads: 128 */