Document the semantics of copyto! and add pagelock!

[vchuravy]

No description provided.

[luraess]

All tests currently fail because in line 139 we use ::Backend which is only available after this point

KernelAbstractions.jl/src/KernelAbstractions.jl

Line 452 in d5c67f6

abstract type Backend end

There were also changes and type-setting suggestions ☝️

[github-actions]

Benchmark Results

	main	aa5ca4f...	main/aa5ca4f1794a02...
saxpy/default/Float16/1024	0.721 ± 0.0088 μs	0.73 ± 0.0088 μs	0.988
saxpy/default/Float16/1048576	0.173 ± 0.0086 ms	0.173 ± 0.011 ms	0.998
saxpy/default/Float16/16384	3.33 ± 0.049 μs	3.32 ± 0.019 μs	1
saxpy/default/Float16/2048	0.899 ± 0.013 μs	0.911 ± 0.012 μs	0.987
saxpy/default/Float16/256	0.574 ± 0.007 μs	0.582 ± 0.0078 μs	0.986
saxpy/default/Float16/262144	0.0441 ± 0.00052 ms	0.0441 ± 0.00044 ms	1
saxpy/default/Float16/32768	6 ± 0.072 μs	6 ± 0.042 μs	1
saxpy/default/Float16/4096	1.3 ± 0.025 μs	1.31 ± 0.023 μs	0.989
saxpy/default/Float16/512	0.635 ± 0.0094 μs	0.644 ± 0.0083 μs	0.987
saxpy/default/Float16/64	0.542 ± 0.0057 μs	0.552 ± 0.0059 μs	0.983
saxpy/default/Float16/65536	11.7 ± 0.13 μs	11.7 ± 0.11 μs	0.997
saxpy/default/Float32/1024	0.637 ± 0.0094 μs	0.63 ± 0.012 μs	1.01
saxpy/default/Float32/1048576	0.239 ± 0.02 ms	0.24 ± 0.02 ms	0.995
saxpy/default/Float32/16384	2.96 ± 0.5 μs	2.75 ± 0.13 μs	1.08
saxpy/default/Float32/2048	0.755 ± 0.063 μs	0.767 ± 0.066 μs	0.985
saxpy/default/Float32/256	0.568 ± 0.0077 μs	0.556 ± 0.0091 μs	1.02
saxpy/default/Float32/262144	0.0577 ± 0.003 ms	0.058 ± 0.0022 ms	0.994
saxpy/default/Float32/32768	5.53 ± 0.79 μs	5.3 ± 0.25 μs	1.04
saxpy/default/Float32/4096	1.17 ± 0.13 μs	1.13 ± 0.07 μs	1.03
saxpy/default/Float32/512	0.606 ± 0.0089 μs	0.594 ± 0.0085 μs	1.02
saxpy/default/Float32/64	0.556 ± 0.0074 μs	0.545 ± 0.0072 μs	1.02
saxpy/default/Float32/65536	12.6 ± 0.73 μs	12.5 ± 0.72 μs	1
saxpy/default/Float64/1024	0.752 ± 0.063 μs	0.764 ± 0.065 μs	0.984
saxpy/default/Float64/1048576	0.518 ± 0.056 ms	0.513 ± 0.03 ms	1.01
saxpy/default/Float64/16384	5.38 ± 0.61 μs	5.27 ± 0.25 μs	1.02
saxpy/default/Float64/2048	1.16 ± 0.12 μs	1.14 ± 0.074 μs	1.02
saxpy/default/Float64/256	0.578 ± 0.011 μs	0.576 ± 0.0085 μs	1
saxpy/default/Float64/262144	0.114 ± 0.0075 ms	0.115 ± 0.006 ms	0.997
saxpy/default/Float64/32768	12.6 ± 0.76 μs	12.6 ± 0.6 μs	1
saxpy/default/Float64/4096	1.75 ± 0.21 μs	1.67 ± 0.084 μs	1.05
saxpy/default/Float64/512	0.63 ± 0.013 μs	0.632 ± 0.013 μs	0.996
saxpy/default/Float64/64	0.557 ± 0.009 μs	0.549 ± 0.0078 μs	1.01
saxpy/default/Float64/65536	28.6 ± 1.6 μs	28.8 ± 1.1 μs	0.99
saxpy/static workgroup=(1024,)/Float16/1024	2.17 ± 0.028 μs	2.16 ± 0.032 μs	1.01
saxpy/static workgroup=(1024,)/Float16/1048576	0.159 ± 0.009 ms	0.162 ± 0.0098 ms	0.983
saxpy/static workgroup=(1024,)/Float16/16384	4.41 ± 0.092 μs	4.39 ± 0.069 μs	1
saxpy/static workgroup=(1024,)/Float16/2048	2.35 ± 0.059 μs	2.32 ± 0.032 μs	1.01
saxpy/static workgroup=(1024,)/Float16/256	2.8 ± 0.035 μs	2.8 ± 0.039 μs	0.998
saxpy/static workgroup=(1024,)/Float16/262144	0.0424 ± 0.0012 ms	0.0422 ± 0.0011 ms	1
saxpy/static workgroup=(1024,)/Float16/32768	6.86 ± 0.19 μs	6.84 ± 0.18 μs	1
saxpy/static workgroup=(1024,)/Float16/4096	2.66 ± 0.038 μs	2.66 ± 0.043 μs	1
saxpy/static workgroup=(1024,)/Float16/512	3.24 ± 0.037 μs	3.26 ± 0.048 μs	0.995
saxpy/static workgroup=(1024,)/Float16/64	2.49 ± 0.22 μs	2.51 ± 0.21 μs	0.993
saxpy/static workgroup=(1024,)/Float16/65536	12.7 ± 0.44 μs	12.6 ± 0.26 μs	1.01
saxpy/static workgroup=(1024,)/Float32/1024	2.22 ± 0.03 μs	2.22 ± 0.039 μs	0.997
saxpy/static workgroup=(1024,)/Float32/1048576	0.242 ± 0.017 ms	0.25 ± 0.019 ms	0.968
saxpy/static workgroup=(1024,)/Float32/16384	4.39 ± 0.41 μs	4.4 ± 0.3 μs	0.998
saxpy/static workgroup=(1024,)/Float32/2048	2.38 ± 0.055 μs	2.4 ± 0.057 μs	0.992
saxpy/static workgroup=(1024,)/Float32/256	2.69 ± 0.059 μs	2.66 ± 0.046 μs	1.01
saxpy/static workgroup=(1024,)/Float32/262144	0.0604 ± 0.0029 ms	0.0609 ± 0.0026 ms	0.992
saxpy/static workgroup=(1024,)/Float32/32768	7.41 ± 0.61 μs	7.67 ± 0.41 μs	0.967
saxpy/static workgroup=(1024,)/Float32/4096	2.67 ± 0.089 μs	2.68 ± 0.063 μs	0.996
saxpy/static workgroup=(1024,)/Float32/512	2.72 ± 0.11 μs	2.7 ± 0.092 μs	1.01
saxpy/static workgroup=(1024,)/Float32/64	2.7 ± 4.3 μs	2.7 ± 5.5 μs	1
saxpy/static workgroup=(1024,)/Float32/65536	15.6 ± 1.1 μs	15.6 ± 0.94 μs	0.997
saxpy/static workgroup=(1024,)/Float64/1024	2.29 ± 0.063 μs	2.31 ± 0.056 μs	0.991
saxpy/static workgroup=(1024,)/Float64/1048576	0.548 ± 0.04 ms	0.552 ± 0.043 ms	0.994
saxpy/static workgroup=(1024,)/Float64/16384	7.24 ± 0.52 μs	7.54 ± 0.37 μs	0.96
saxpy/static workgroup=(1024,)/Float64/2048	2.58 ± 0.087 μs	2.61 ± 0.075 μs	0.989
saxpy/static workgroup=(1024,)/Float64/256	2.66 ± 0.089 μs	2.69 ± 0.092 μs	0.989
saxpy/static workgroup=(1024,)/Float64/262144	0.117 ± 0.01 ms	0.119 ± 0.0072 ms	0.986
saxpy/static workgroup=(1024,)/Float64/32768	15.5 ± 1 μs	15.6 ± 0.93 μs	0.994
saxpy/static workgroup=(1024,)/Float64/4096	3.13 ± 0.22 μs	3.13 ± 0.12 μs	0.998
saxpy/static workgroup=(1024,)/Float64/512	2.63 ± 0.058 μs	2.66 ± 0.081 μs	0.986
saxpy/static workgroup=(1024,)/Float64/64	2.59 ± 0.074 μs	2.61 ± 0.081 μs	0.993
saxpy/static workgroup=(1024,)/Float64/65536	31.1 ± 1.9 μs	31.3 ± 1.4 μs	0.995
time_to_load	0.327 ± 0.0038 s	0.329 ± 0.0043 s	0.994

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).