public void RunBasicScenario()
{
TestLibrary.TestFramework.BeginScenario(nameof(RunBasicScenario));
Int64[] values = new Int64[ElementCount];
for (int i = 0; i < ElementCount; i++)
{
values[i] = TestLibrary.Generator.GetInt64();
}
Vector64 <Int64> value = Vector64.Create(values[0]);
Int64 result = value.ToScalar();
ValidateResult(result, values);
}
public void RunBasicScenario()
{
TestLibrary.TestFramework.BeginScenario(nameof(RunBasicScenario));
Byte[] values = new Byte[ElementCount];
for (int i = 0; i < ElementCount; i++)
{
values[i] = TestLibrary.Generator.GetByte();
}
Vector64 <Byte> value = Vector64.Create(values[0], values[1], values[2], values[3], values[4], values[5], values[6], values[7]);
Byte result = value.ToScalar();
ValidateResult(result, values);
}
public void RunBasicScenario()
{
TestLibrary.TestFramework.BeginScenario(nameof(RunBasicScenario));
UInt16[] values = new UInt16[ElementCount];
for (int i = 0; i < ElementCount; i++)
{
values[i] = TestLibrary.Generator.GetUInt16();
}
Vector64 <UInt16> value = Vector64.Create(values[0], values[1], values[2], values[3]);
UInt16 result = value.ToScalar();
ValidateResult(result, values);
}
public static int PopCount(uint value)
{
if (Popcnt.IsSupported)
{
return((int)Popcnt.PopCount(value));
}
if (AdvSimd.Arm64.IsSupported)
{
// PopCount works on vector so convert input value to vector first.
Vector64 <uint> input = Vector64.CreateScalar(value);
Vector64 <byte> aggregated = AdvSimd.Arm64.AddAcross(AdvSimd.PopCount(input.AsByte()));
return(aggregated.ToScalar());
}
return(SoftwareFallback(value));
public static int PopCount(uint value)
{
if (Popcnt.IsSupported)
{
return((int)Popcnt.PopCount(value));
}
if (AdvSimd.Arm64.IsSupported)
{
// PopCount works on vector so convert input value to vector first.
// Vector64.CreateScalar(uint) generates suboptimal code by storing and
// loading the result to memory.
// See https://github.com/dotnet/runtime/issues/35976 for details.
// Hence use Vector64.Create(ulong) to create Vector64<ulong> and operate on that.
Vector64 <ulong> input = Vector64.Create((ulong)value);
Vector64 <byte> aggregated = AdvSimd.Arm64.AddAcross(AdvSimd.PopCount(input.AsByte()));
return(aggregated.ToScalar());
}
return(SoftwareFallback(value));
