MASTER:
1.1.0-DEV.841> x=sprand(10,10,1.0); y=similar(x); shifts=(3,5);

1.1.0-DEV.841> @benchmark circshift!($y,$x,$shifts)
BenchmarkTools.Trial: 
  memory estimate:  0 bytes
  allocs estimate:  0
  --------------
  minimum time:     1.197 μs (0.00% GC)
  median time:      1.207 μs (0.00% GC)
  mean time:        1.211 μs (0.00% GC)
  maximum time:     1.701 μs (0.00% GC)
  --------------
  samples:          10000
  evals/sample:     10

1.1.0-DEV.841> x=sprand(10,10,0.1); y=similar(x); shifts=(3,5);

1.1.0-DEV.841> @benchmark circshift!($y,$x,$shifts)
BenchmarkTools.Trial: 
  memory estimate:  0 bytes
  allocs estimate:  0
  --------------
  minimum time:     775.047 ns (0.00% GC)
  median time:      778.607 ns (0.00% GC)
  mean time:        789.932 ns (0.00% GC)
  maximum time:     3.788 μs (0.00% GC)
  --------------
  samples:          10000
  evals/sample:     107
1.1.0-DEV.841> x=sprand(1000,1000,0.1); y=similar(x); shifts=(3,5);

1.1.0-DEV.841> @benchmark circshift!($y,$x,$shifts)
BenchmarkTools.Trial: 
  memory estimate:  0 bytes
  allocs estimate:  0
  --------------
  minimum time:     36.758 ms (0.00% GC)
  median time:      36.918 ms (0.00% GC)
  mean time:        37.105 ms (0.00% GC)
  maximum time:     39.631 ms (0.00% GC)
  --------------
  samples:          135
  evals/sample:     1

1.1.0-DEV.841> x=sprand(1000,1000,0.01); y=similar(x); shifts=(3,5);

1.1.0-DEV.841> @benchmark circshift!($y,$x,$shifts)
BenchmarkTools.Trial: 
  memory estimate:  0 bytes
  allocs estimate:  0
  --------------
  minimum time:     11.579 ms (0.00% GC)
  median time:      11.647 ms (0.00% GC)
  mean time:        11.689 ms (0.00% GC)
  maximum time:     13.971 ms (0.00% GC)
  --------------
  samples:          428
  evals/sample:     1

1.1.0-DEV.841> x=sprand(1000,1000,1.0); y=similar(x); shifts=(3,5);

1.1.0-DEV.841> @benchmark circshift!($y,$x,$shifts)
BenchmarkTools.Trial:
  memory estimate:  0 bytes
  allocs estimate:  0
  --------------
  minimum time:     70.233 ms (0.00% GC)
  median time:      70.955 ms (0.00% GC)
  mean time:        71.192 ms (0.00% GC)
  maximum time:     73.167 ms (0.00% GC)
  --------------
  samples:          71
  evals/sample:     1


BRANCH:

1.1.0-DEV.843> x=sprand(10,10,1.0); y=similar(x); shifts=(3,5);                                                                           
                                                                                                                                          
1.1.0-DEV.843> @benchmark circshift!($y,$x,$shifts)                                                                                       
BenchmarkTools.Trial:                                                                                                                     
  memory estimate:  288 bytes                                                                                                             
  allocs estimate:  6                    
  --------------                         
  minimum time:     1.048 μs (0.00% GC)                            
  median time:      1.088 μs (0.00% GC)
  mean time:        1.218 μs (7.81% GC)                        
  maximum time:     953.628 μs (99.77% GC)                         
  --------------                                                   
  samples:          10000                                          
  evals/sample:     10                                         

1.1.0-DEV.843> x=sprand(10,10,0.1); y=similar(x); shifts=(3,5);                                                                  [24/1801]
                                    
1.1.0-DEV.843> @benchmark circshift!($y,$x,$shifts)  
BenchmarkTools.Trial:                    
  memory estimate:  288 bytes            
  allocs estimate:  6                                          
  --------------
  minimum time:     705.507 ns (0.00% GC)          
  median time:      728.653 ns (0.00% GC)
  mean time:        765.545 ns (4.24% GC)
  maximum time:     191.723 μs (99.56% GC)                          
  --------------
  samples:          10000                          
  evals/sample:     144                
                                       
1.1.0-DEV.843> x=sprand(1000,1000,1.0); y=similar(x); shifts=(3,5);
                
1.1.0-DEV.843> @benchmark circshift!($y,$x,$shifts)
BenchmarkTools.Trial:                   
  memory estimate:  352 bytes           
  allocs estimate:  10                                         
  --------------
  minimum time:     3.754 ms (0.00% GC)            
  median time:      3.811 ms (0.00% GC)
  mean time:        3.870 ms (0.00% GC)
  maximum time:     6.463 ms (0.00% GC)
  --------------
  samples:          1291
  evals/sample:     1

1.1.0-DEV.843> x=sprand(1000,1000,0.1); y=similar(x); shifts=(3,5);

1.1.0-DEV.843> @benchmark circshift!($y,$x,$shifts)
BenchmarkTools.Trial:
  memory estimate:  288 bytes
  allocs estimate:  6
  --------------
  minimum time:     194.042 μs (0.00% GC)
  median time:      195.048 μs (0.00% GC)
  mean time:        196.435 μs (0.00% GC)
  maximum time:     526.375 μs (0.00% GC)
  --------------
  samples:          10000
  evals/sample:     1

1.1.0-DEV.843> x=sprand(1000,1000,0.01); y=similar(x); shifts=(3,5);

1.1.0-DEV.843> @benchmark circshift!($y,$x,$shifts)
BenchmarkTools.Trial:
  memory estimate:  288 bytes
  allocs estimate:  6
  --------------
  minimum time:     26.044 μs (0.00% GC)
  median time:      26.484 μs (0.00% GC)
  mean time:        26.761 μs (0.00% GC)
  maximum time:     385.087 μs (0.00% GC)
  --------------
  samples:          10000

1.1.0-DEV.843> x=sprand(1000,1000,1.0); y=similar(x); shifts=(3,5);

1.1.0-DEV.843> @benchmark circshift!($y,$x,$shifts)
BenchmarkTools.Trial:
  memory estimate:  352 bytes
  allocs estimate:  10
  --------------
  minimum time:     3.774 ms (0.00% GC)
  median time:      3.833 ms (0.00% GC)
  mean time:        3.904 ms (0.00% GC)
  maximum time:     6.483 ms (0.00% GC)
  --------------
  samples:          1280
  evals/sample:     1

  evals/sample:     1