1.1.0-DEV.844> x=sprand(10,10,1.0); y=similar(x); shifts=(3,5);                                                                                           [5/1866]
                            
1.1.0-DEV.844> @benchmark circshift!($y,$x,$shifts)
BenchmarkTools.Trial:
  memory estimate:  288 bytes
  allocs estimate:  6
  --------------
  minimum time:     1.010 μs (0.00% GC)
  median time:      1.039 μs (0.00% GC)
  mean time:        1.172 μs (7.54% GC)
  maximum time:     885.982 μs (99.75% GC)
  --------------
  samples:          10000
  evals/sample:     10

1.1.0-DEV.844> x=sprand(10,10,0.1); y=similar(x); shifts=(3,5);

1.1.0-DEV.844> @benchmark circshift!($y,$x,$shifts)
BenchmarkTools.Trial:
  memory estimate:  288 bytes
  allocs estimate:  6
  --------------
  minimum time:     682.926 ns (0.00% GC)
  median time:      687.023 ns (0.00% GC)
  mean time:        725.866 ns (3.89% GC)
  maximum time:     179.791 μs (99.56% GC)
  --------------
  samples:          10000
  evals/sample:     149

1.1.0-DEV.844> x=sprand(1000,1000,1.0); y=similar(x); shifts=(3,5);

1.1.0-DEV.844> @benchmark circshift!($y,$x,$shifts)
BenchmarkTools.Trial:
  memory estimate:  352 bytes
  allocs estimate:  10
  --------------
  minimum time:     3.598 ms (0.00% GC)
  median time:      3.636 ms (0.00% GC)
  mean time:        3.656 ms (0.00% GC)
  maximum time:     4.790 ms (0.00% GC)
  --------------
  samples:          1367
  evals/sample:     1

1.1.0-DEV.844> x=sprand(1000,1000,0.1); y=similar(x); shifts=(3,5);

1.1.0-DEV.844> @benchmark circshift!($y,$x,$shifts)
BenchmarkTools.Trial:
  memory estimate:  288 bytes
  allocs estimate:  6
  --------------
  minimum time:     166.393 μs (0.00% GC)
  median time:      167.011 μs (0.00% GC)
  mean time:        167.782 μs (0.00% GC)
  maximum time:     314.323 μs (0.00% GC)
  --------------
  samples:          10000
  evals/sample:     1

1.1.0-DEV.844> x=sprand(1000,1000,0.01); y=similar(x); shifts=(3,5);

1.1.0-DEV.844> @benchmark circshift!($y,$x,$shifts)
BenchmarkTools.Trial:
  memory estimate:  288 bytes
  allocs estimate:  6
  --------------
  minimum time:     20.502 μs (0.00% GC)
  median time:      20.713 μs (0.00% GC)
  mean time:        20.948 μs (0.00% GC)
  maximum time:     69.497 μs (0.00% GC)
  --------------
  samples:          10000
  evals/sample:     1