Пример #1
0
        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);
        }
Пример #2
0
        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);
        }