Avoid the exception branch in expand

[vchuravy]

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Benchmark Results

	main	2a4270e...	main/2a4270e1998bb0...
saxpy/default/Float16/1024	0.73 ± 0.0094 μs	0.736 ± 0.0096 μs	0.991
saxpy/default/Float16/1048576	0.172 ± 0.0095 ms	0.174 ± 0.0089 ms	0.991
saxpy/default/Float16/16384	3.34 ± 0.043 μs	3.34 ± 0.039 μs	1
saxpy/default/Float16/2048	0.907 ± 0.013 μs	0.911 ± 0.011 μs	0.995
saxpy/default/Float16/256	0.582 ± 0.007 μs	0.59 ± 0.0069 μs	0.986
saxpy/default/Float16/262144	0.0441 ± 0.00042 ms	0.0443 ± 0.00046 ms	0.997
saxpy/default/Float16/32768	6.02 ± 0.062 μs	6.02 ± 0.084 μs	1
saxpy/default/Float16/4096	1.31 ± 0.026 μs	1.32 ± 0.026 μs	0.992
saxpy/default/Float16/512	0.643 ± 0.0092 μs	0.648 ± 0.0083 μs	0.992
saxpy/default/Float16/64	0.548 ± 0.0067 μs	0.556 ± 0.0068 μs	0.985
saxpy/default/Float16/65536	11.7 ± 0.13 μs	11.6 ± 0.15 μs	1
saxpy/default/Float32/1024	0.639 ± 0.011 μs	0.63 ± 0.0095 μs	1.01
saxpy/default/Float32/1048576	0.189 ± 0.023 ms	0.223 ± 0.026 ms	0.847
saxpy/default/Float32/16384	2.78 ± 0.23 μs	2.77 ± 0.12 μs	1
saxpy/default/Float32/2048	0.749 ± 0.05 μs	0.769 ± 0.048 μs	0.975
saxpy/default/Float32/256	0.561 ± 0.0062 μs	0.561 ± 0.0054 μs	0.999
saxpy/default/Float32/262144	0.0548 ± 0.0047 ms	0.0449 ± 0.0017 ms	1.22
saxpy/default/Float32/32768	5.53 ± 0.88 μs	5.26 ± 0.22 μs	1.05
saxpy/default/Float32/4096	1.14 ± 0.1 μs	1.13 ± 0.1 μs	1.01
saxpy/default/Float32/512	0.604 ± 0.0091 μs	0.596 ± 0.0075 μs	1.01
saxpy/default/Float32/64	0.547 ± 0.0061 μs	0.552 ± 0.0057 μs	0.992
saxpy/default/Float32/65536	12.7 ± 1 μs	11.8 ± 1 μs	1.08
saxpy/default/Float64/1024	0.747 ± 0.035 μs	0.769 ± 0.055 μs	0.97
saxpy/default/Float64/1048576	0.488 ± 0.035 ms	0.496 ± 0.024 ms	0.983
saxpy/default/Float64/16384	5.51 ± 0.78 μs	5.26 ± 0.29 μs	1.05
saxpy/default/Float64/2048	1.15 ± 0.098 μs	1.15 ± 0.094 μs	1
saxpy/default/Float64/256	0.582 ± 0.0077 μs	0.586 ± 0.0071 μs	0.993
saxpy/default/Float64/262144	0.107 ± 0.019 ms	0.114 ± 0.0079 ms	0.934
saxpy/default/Float64/32768	12.3 ± 1.1 μs	12.5 ± 0.64 μs	0.982
saxpy/default/Float64/4096	1.7 ± 0.24 μs	1.68 ± 0.12 μs	1.01
saxpy/default/Float64/512	0.636 ± 0.01 μs	0.637 ± 0.01 μs	0.999
saxpy/default/Float64/64	0.557 ± 0.007 μs	0.563 ± 0.0064 μs	0.988
saxpy/default/Float64/65536	23.3 ± 1.9 μs	28.6 ± 1.4 μs	0.816
saxpy/static workgroup=(1024,)/Float16/1024	2.17 ± 0.027 μs	2.16 ± 0.028 μs	1
saxpy/static workgroup=(1024,)/Float16/1048576	0.157 ± 0.0035 ms	0.159 ± 0.0083 ms	0.989
saxpy/static workgroup=(1024,)/Float16/16384	4.41 ± 0.07 μs	4.44 ± 0.14 μs	0.994
saxpy/static workgroup=(1024,)/Float16/2048	2.34 ± 0.03 μs	2.33 ± 0.027 μs	1
saxpy/static workgroup=(1024,)/Float16/256	2.8 ± 0.033 μs	2.82 ± 0.035 μs	0.996
saxpy/static workgroup=(1024,)/Float16/262144	0.042 ± 0.00092 ms	0.0422 ± 0.0012 ms	0.995
saxpy/static workgroup=(1024,)/Float16/32768	6.87 ± 0.16 μs	6.89 ± 0.26 μs	0.997
saxpy/static workgroup=(1024,)/Float16/4096	2.67 ± 0.041 μs	2.66 ± 0.036 μs	1
saxpy/static workgroup=(1024,)/Float16/512	3.25 ± 0.035 μs	3.27 ± 0.036 μs	0.996
saxpy/static workgroup=(1024,)/Float16/64	2.51 ± 0.22 μs	2.53 ± 0.2 μs	0.992
saxpy/static workgroup=(1024,)/Float16/65536	12.6 ± 0.27 μs	12.7 ± 0.55 μs	0.991
saxpy/static workgroup=(1024,)/Float32/1024	2.24 ± 0.032 μs	2.21 ± 0.038 μs	1.01
saxpy/static workgroup=(1024,)/Float32/1048576	0.235 ± 0.017 ms	0.213 ± 0.032 ms	1.11
saxpy/static workgroup=(1024,)/Float32/16384	4.41 ± 0.25 μs	4.44 ± 0.69 μs	0.993
saxpy/static workgroup=(1024,)/Float32/2048	2.39 ± 0.055 μs	2.37 ± 0.057 μs	1.01
saxpy/static workgroup=(1024,)/Float32/256	2.65 ± 0.053 μs	2.67 ± 0.042 μs	0.992
saxpy/static workgroup=(1024,)/Float32/262144	0.0592 ± 0.0037 ms	0.0479 ± 0.0035 ms	1.24
saxpy/static workgroup=(1024,)/Float32/32768	7.5 ± 0.36 μs	7.37 ± 0.5 μs	1.02
saxpy/static workgroup=(1024,)/Float32/4096	2.69 ± 0.11 μs	2.66 ± 0.079 μs	1.01
saxpy/static workgroup=(1024,)/Float32/512	2.71 ± 0.085 μs	2.72 ± 0.093 μs	0.996
saxpy/static workgroup=(1024,)/Float32/64	2.83 ± 5.4 μs	2.71 ± 5.5 μs	1.04
saxpy/static workgroup=(1024,)/Float32/65536	15.8 ± 1.6 μs	14.9 ± 1.6 μs	1.07
saxpy/static workgroup=(1024,)/Float64/1024	2.33 ± 0.065 μs	2.31 ± 0.051 μs	1.01
saxpy/static workgroup=(1024,)/Float64/1048576	0.527 ± 0.029 ms	0.497 ± 0.04 ms	1.06
saxpy/static workgroup=(1024,)/Float64/16384	7.24 ± 0.4 μs	7.45 ± 1.1 μs	0.971
saxpy/static workgroup=(1024,)/Float64/2048	2.61 ± 0.088 μs	2.59 ± 0.082 μs	1.01
saxpy/static workgroup=(1024,)/Float64/256	2.68 ± 0.078 μs	2.68 ± 0.11 μs	0.998
saxpy/static workgroup=(1024,)/Float64/262144	0.092 ± 0.0076 ms	0.117 ± 0.0081 ms	0.784
saxpy/static workgroup=(1024,)/Float64/32768	14.6 ± 1.4 μs	15.6 ± 1.2 μs	0.93
saxpy/static workgroup=(1024,)/Float64/4096	3.15 ± 0.16 μs	3.15 ± 0.21 μs	1
saxpy/static workgroup=(1024,)/Float64/512	2.65 ± 0.059 μs	2.64 ± 0.053 μs	1
saxpy/static workgroup=(1024,)/Float64/64	2.61 ± 0.072 μs	2.59 ± 0.066 μs	1.01
saxpy/static workgroup=(1024,)/Float64/65536	26.7 ± 2.7 μs	31.3 ± 1.5 μs	0.852
time_to_load	0.322 ± 0.0018 s	0.323 ± 0.0039 s	0.997

Benchmark Plots

A plot of the benchmark results have been uploaded as an artifact to the workflow run for this PR.
Go to "Actions"->"Benchmark a pull request"->[the most recent run]->"Artifacts" (at the bottom).

[github-actions]

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• src/nditeration.jl
  • lines 117-117