void BitUnpackAVX512::readLongs()

in c++/src/BpackingAvx512.cc [2443:2587]

• 143 lines of code
• 43 McCabe index (conditional complexity)

  void BitUnpackAVX512::readLongs(RleDecoderV2* decoder, int64_t* data, uint64_t offset,
                                  uint64_t len, uint64_t fbs) {
    UnpackAvx512 unpackAvx512(decoder);
    UnpackDefault unpackDefault(decoder);
    uint64_t startBit = 0;
    static const auto cpu_info = CpuInfo::getInstance();
    if (cpu_info->isSupported(CpuInfo::AVX512)) {
      switch (fbs) {
        case 1:
          unpackAvx512.vectorUnpack1(data, offset, len);
          break;
        case 2:
          unpackAvx512.vectorUnpack2(data, offset, len);
          break;
        case 3:
          unpackAvx512.vectorUnpack3(data, offset, len);
          break;
        case 4:
          unpackAvx512.vectorUnpack4(data, offset, len);
          break;
        case 5:
          unpackAvx512.vectorUnpack5(data, offset, len);
          break;
        case 6:
          unpackAvx512.vectorUnpack6(data, offset, len);
          break;
        case 7:
          unpackAvx512.vectorUnpack7(data, offset, len);
          break;
        case 8:
          unpackDefault.unrolledUnpack8(data, offset, len);
          break;
        case 9:
          unpackAvx512.vectorUnpack9(data, offset, len);
          break;
        case 10:
          unpackAvx512.vectorUnpack10(data, offset, len);
          break;
        case 11:
          unpackAvx512.vectorUnpack11(data, offset, len);
          break;
        case 12:
          unpackAvx512.vectorUnpack12(data, offset, len);
          break;
        case 13:
          unpackAvx512.vectorUnpack13(data, offset, len);
          break;
        case 14:
          unpackAvx512.vectorUnpack14(data, offset, len);
          break;
        case 15:
          unpackAvx512.vectorUnpack15(data, offset, len);
          break;
        case 16:
          unpackAvx512.vectorUnpack16(data, offset, len);
          break;
        case 17:
          unpackAvx512.vectorUnpack17(data, offset, len);
          break;
        case 18:
          unpackAvx512.vectorUnpack18(data, offset, len);
          break;
        case 19:
          unpackAvx512.vectorUnpack19(data, offset, len);
          break;
        case 20:
          unpackAvx512.vectorUnpack20(data, offset, len);
          break;
        case 21:
          unpackAvx512.vectorUnpack21(data, offset, len);
          break;
        case 22:
          unpackAvx512.vectorUnpack22(data, offset, len);
          break;
        case 23:
          unpackAvx512.vectorUnpack23(data, offset, len);
          break;
        case 24:
          unpackAvx512.vectorUnpack24(data, offset, len);
          break;
        case 26:
          unpackAvx512.vectorUnpack26(data, offset, len);
          break;
        case 28:
          unpackAvx512.vectorUnpack28(data, offset, len);
          break;
        case 30:
          unpackAvx512.vectorUnpack30(data, offset, len);
          break;
        case 32:
          unpackAvx512.vectorUnpack32(data, offset, len);
          break;
        case 40:
          unpackDefault.unrolledUnpack40(data, offset, len);
          break;
        case 48:
          unpackDefault.unrolledUnpack48(data, offset, len);
          break;
        case 56:
          unpackDefault.unrolledUnpack56(data, offset, len);
          break;
        case 64:
          unpackDefault.unrolledUnpack64(data, offset, len);
          break;
        default:
          // Fallback to the default implementation for deprecated bit size.
          unpackAvx512.plainUnpackLongs(data, offset, len, fbs, startBit);
          break;
      }
    } else {
      switch (fbs) {
        case 4:
          unpackDefault.unrolledUnpack4(data, offset, len);
          break;
        case 8:
          unpackDefault.unrolledUnpack8(data, offset, len);
          break;
        case 16:
          unpackDefault.unrolledUnpack16(data, offset, len);
          break;
        case 24:
          unpackDefault.unrolledUnpack24(data, offset, len);
          break;
        case 32:
          unpackDefault.unrolledUnpack32(data, offset, len);
          break;
        case 40:
          unpackDefault.unrolledUnpack40(data, offset, len);
          break;
        case 48:
          unpackDefault.unrolledUnpack48(data, offset, len);
          break;
        case 56:
          unpackDefault.unrolledUnpack56(data, offset, len);
          break;
        case 64:
          unpackDefault.unrolledUnpack64(data, offset, len);
          break;
        default:
          // Fallback to the default implementation for deprecated bit size.
          unpackDefault.plainUnpackLongs(data, offset, len, fbs);
          break;
      }
    }
  }