public void RunLclVarScenario_UnsafeRead()
{
var data = Unsafe.ReadUnaligned <UInt64>(ref Unsafe.As <UInt64, byte>(ref _data));
var result = Bmi1.ExtractLowestSetBit(data);
ValidateResult(data, result);
}
public void RunStructLclFldScenario()
{
var test = TestStruct.Create();
var result = Bmi1.ExtractLowestSetBit(test._fld);
ValidateResult(test._fld, result);
}
public void RunClassLclFldScenario()
{
var test = new ScalarUnaryOpTest__ExtractLowestSetBitUInt64();
var result = Bmi1.ExtractLowestSetBit(test._fld);
ValidateResult(test._fld, result);
}
public void RunClassFldScenario()
{
TestLibrary.TestFramework.BeginScenario(nameof(RunClassFldScenario));
var result = Bmi1.ExtractLowestSetBit(_fld);
ValidateResult(_fld, result);
}
public void RunClsVarScenario()
{
var result = Bmi1.ExtractLowestSetBit(
_clsVar
);
ValidateResult(_clsVar, result);
}
public void RunBasicScenario_UnsafeRead()
{
var result = Bmi1.ExtractLowestSetBit(
Unsafe.ReadUnaligned <UInt32>(ref Unsafe.As <UInt32, byte>(ref _data))
);
ValidateResult(_data, result);
}
public static int ExtractLowestSetBit(int n)
{
if (Bmi1.IsSupported)
{
return((int)Bmi1.ExtractLowestSetBit((uint)n));
}
return(n & -n);
}
public void RunStructLclFldScenario()
{
TestLibrary.TestFramework.BeginScenario(nameof(RunStructLclFldScenario));
var test = TestStruct.Create();
var result = Bmi1.ExtractLowestSetBit(test._fld);
ValidateResult(test._fld, result);
}
public void RunClassLclFldScenario()
{
TestLibrary.TestFramework.BeginScenario(nameof(RunClassLclFldScenario));
var test = new ScalarUnaryOpTest__ExtractLowestSetBitUInt32();
var result = Bmi1.ExtractLowestSetBit(test._fld);
ValidateResult(test._fld, result);
}
public void RunLclVarScenario_UnsafeRead()
{
TestLibrary.TestFramework.BeginScenario(nameof(RunLclVarScenario_UnsafeRead));
var data = Unsafe.ReadUnaligned <UInt32>(ref Unsafe.As <UInt32, byte>(ref _data));
var result = Bmi1.ExtractLowestSetBit(data);
ValidateResult(data, result);
}
public static uint ExtractLowestSetBit(int n)
{
#if NETCOREAPP3_0_OR_GREATER
if (Bmi1.IsSupported)
{
return(Bmi1.ExtractLowestSetBit((uint)n));
}
#endif
return((uint)(n & -n));
}
public override ulong Run(CancellationToken cancellationToken)
{
if (!Bmi1.IsSupported)
{
return(0uL);
}
var iterations = 0uL;
var elsb = randomInt;
while (!cancellationToken.IsCancellationRequested)
{
for (var i = 0; i < LENGTH; i++)
{
elsb = Bmi1.ExtractLowestSetBit(elsb);
}
iterations++;
}
return(iterations + elsb - elsb);
}
public void RunStructFldScenario(ScalarUnaryOpTest__ExtractLowestSetBitUInt64 testClass)
{
var result = Bmi1.ExtractLowestSetBit(_fld);
testClass.ValidateResult(_fld, result);
}
public void RunClassFldScenario()
{
var result = Bmi1.ExtractLowestSetBit(_fld);
ValidateResult(_fld, result);
}