public unsafe static void EncodeDecodeTest(int count)
{
byte[] bytes = new byte[count * 5];
uint[] src = new uint[count];
uint[] dst = new uint[count];
uint v1 = 0, v2 = 0, v3 = 0, v4 = 0;
int pos = 0;
int apos = 0, n = 0;
for (int i = 0; i < count; i += 4)
{
GroupVarintUtils.GetValues(out v1, out v2, out v3, out v4);
src[i] = v1;
src[i + 1] = v2;
src[i + 2] = v3;
src[i + 3] = v4;
}
Stopwatch watch = Stopwatch.StartNew();
pos = GroupVarintCodec.Encode(bytes, 0, src, 0, src.Length);
int encodeCost = (int)watch.ElapsedMilliseconds;
watch = Stopwatch.StartNew();
//n = GroupVarintCodec.Decode(bytes, 0, pos, dst, ref apos);
for (int i = 0; i < 100000; i++)
{
apos = 0;
//n = GroupVarintCodec.Decode(bytes, 0, pos, dst, ref apos);
n = DecodeForTestA(bytes, 0, pos, dst, ref apos);
}
int decodeCost = (int)watch.ElapsedMilliseconds;
int errorCount = 0;
for (int i = 0; i < count; i++)
{
if (src[i] != dst[i])
{
errorCount++;
}
}
string rs =
$"encodeCost:{encodeCost}" +
$"decodeCost:{decodeCost}" +
$"errorCount:{errorCount}";
Console.WriteLine(rs);
}
public unsafe static int GetLenthLookupCode(uint[] arr)
{
int len = 0;
fixed(int *p1 = &codeIdx[0], p2 = &lenId2[0])
{
for (int i = 0; i < arr.Length; i += 4)
{
len += GroupVarintCodec.GetByteSize(arr[i], p1, p2);
len += GroupVarintCodec.GetByteSize(arr[i + 1], p1, p2);
len += GroupVarintCodec.GetByteSize(arr[i + 2], p1, p2);
len += GroupVarintCodec.GetByteSize(arr[i + 3], p1, p2);
}
}
return(len);
}