64 lines
3.0 KiB
C#
64 lines
3.0 KiB
C#
using System.Runtime.CompilerServices;
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using ILGPU;
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using ILGPU.Runtime;
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namespace PerfectNumbers.Core.Gpu.Accelerators;
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public readonly struct HeuristicGroupABGpuViews(
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ArrayView1D<ulong, Stride1D.Dense> groupADivisors,
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ArrayView1D<ulong, Stride1D.Dense> groupADivisorSquares,
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ArrayView1D<ulong, Stride1D.Dense> groupBDivisorsEnding1,
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ArrayView1D<ulong, Stride1D.Dense> groupBDivisorSquaresEnding1,
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ArrayView1D<ulong, Stride1D.Dense> groupBDivisorsEnding7,
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ArrayView1D<ulong, Stride1D.Dense> groupBDivisorSquaresEnding7,
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ArrayView1D<ulong, Stride1D.Dense> groupBDivisorsEnding9,
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ArrayView1D<ulong, Stride1D.Dense> groupBDivisorSquaresEnding9)
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{
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public readonly ArrayView1D<ulong, Stride1D.Dense> GroupADivisors = groupADivisors;
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public readonly ArrayView1D<ulong, Stride1D.Dense> GroupADivisorSquares = groupADivisorSquares;
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public readonly ArrayView1D<ulong, Stride1D.Dense> GroupBDivisorsEnding1 = groupBDivisorsEnding1;
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public readonly ArrayView1D<ulong, Stride1D.Dense> GroupBDivisorSquaresEnding1 = groupBDivisorSquaresEnding1;
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public readonly ArrayView1D<ulong, Stride1D.Dense> GroupBDivisorsEnding7 = groupBDivisorsEnding7;
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public readonly ArrayView1D<ulong, Stride1D.Dense> GroupBDivisorSquaresEnding7 = groupBDivisorSquaresEnding7;
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public readonly ArrayView1D<ulong, Stride1D.Dense> GroupBDivisorsEnding9 = groupBDivisorsEnding9;
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public readonly ArrayView1D<ulong, Stride1D.Dense> GroupBDivisorSquaresEnding9 = groupBDivisorSquaresEnding9;
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public ArrayView1D<ulong, Stride1D.Dense> SelectGroupB(byte ending) => ending switch
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{
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1 => GroupBDivisorsEnding1,
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7 => GroupBDivisorsEnding7,
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9 => GroupBDivisorsEnding9,
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_ => ArrayView1D<ulong, Stride1D.Dense>.Empty,
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};
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public ArrayView1D<ulong, Stride1D.Dense> SelectGroupBSquares(byte ending) => ending switch
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{
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1 => GroupBDivisorSquaresEnding1,
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7 => GroupBDivisorSquaresEnding7,
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9 => GroupBDivisorSquaresEnding9,
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_ => ArrayView1D<ulong, Stride1D.Dense>.Empty,
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};
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public ArrayView1D<ulong, Stride1D.Dense> SelectDivisors(HeuristicGpuDivisorTableKind kind) => kind switch
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{
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HeuristicGpuDivisorTableKind.GroupA => GroupADivisors,
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HeuristicGpuDivisorTableKind.GroupBEnding1 => GroupBDivisorsEnding1,
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HeuristicGpuDivisorTableKind.GroupBEnding7 => GroupBDivisorsEnding7,
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HeuristicGpuDivisorTableKind.GroupBEnding9 => GroupBDivisorsEnding9,
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_ => ArrayView1D<ulong, Stride1D.Dense>.Empty,
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};
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public ArrayView1D<ulong, Stride1D.Dense> SelectDivisorSquares(HeuristicGpuDivisorTableKind kind) => kind switch
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{
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HeuristicGpuDivisorTableKind.GroupA => GroupADivisorSquares,
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HeuristicGpuDivisorTableKind.GroupBEnding1 => GroupBDivisorSquaresEnding1,
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HeuristicGpuDivisorTableKind.GroupBEnding7 => GroupBDivisorSquaresEnding7,
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HeuristicGpuDivisorTableKind.GroupBEnding9 => GroupBDivisorSquaresEnding9,
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_ => ArrayView1D<ulong, Stride1D.Dense>.Empty,
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};
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}
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