1. Список говнокодов пользователя MrShoor

    Всего: 2

  2. Си / Говнокод #19138

    −94

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    __attribute__( (noinline,noclone,pure,faNN1_NDA) ) /* DONE */
int arr_findBits0Next( const Array* this_, int idx_, uint num_ ) {
  uint _idx = (uint) idx_;
  uint _len1 = this_->prolen >> _ARR_PL_L1_RS;
  uint64* _data64 = (uint64*) this_->data + ( _idx >> 6U );
  if ( UNLIKELY( _idx + num_ > _len1 ) ) return -1;
  uint64 _item64 = *_data64++;
  uint64 _n = num_;
  _item64 >>= _idx & 63U;
  L0: _item64 = ~_item64;
  do {
    uint64 _bit = _item64 & 1ULL;
    ++_idx;
    if ( UNLIKELY( ( _n -= _bit ) == 0 ) ) {
      if ( UNLIKELY( _idx > _len1 ) )return -1;
      _idx -= num_;
      return (int) _idx;
    }
    if ( _bit == 0 ) _n = num_;
    _item64 >>= 1;
  } while ( ( _idx & 63U ) );
  if ( UNLIKELY( _idx >= _len1 ) ) return -1;
  while ( true ) {
    if ( LIKELY( ( _item64 = *_data64++ ) != CNST_UINT64_MAX ) ) goto L0;
    _n = num_;
    if ( UNLIKELY( ( _idx += 64U ) >= _len1 ) ) return -1;
  }
}

    Кусочек из аллокатора памяти, от "мастера оптимизаций".
    p.s. Автор решительно это считает образцовым кодом.
    источник http://www.gamedev.ru/code/forum/?id=208332&page=7#m93

    MrShoor, 04 Декабря 2015

    Комментарии (121)

  3. Pascal / Говнокод #2831

    +100.2

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    V := +2*C.C[SFX+S1]/DT-2*C.C[SFX+S4]/DT+1*C.C[SFXY+S1]/(DT*DU)+1*C.C[SFXY+S4]/(DT*DU);
        F := F+V*T1*U3;
        FX := FX+1*V*T0*U3*DT;
        FY := FY+3*V*T1*U2*DU;
        FXY := FXY+3*V*T0*U2*DT*DU;
        V := -3*C.C[SF+S1]+3*C.C[SF+S2]-2*C.C[SFX+S1]/DT-1*C.C[SFX+S2]/DT;
        F := F+V*T2*U0;
        FX := FX+2*V*T1*U0*DT;
        V := -3*C.C[SFY+S1]/DU+3*C.C[SFY+S2]/DU-2*C.C[SFXY+S1]/(DT*DU)-1*C.C[SFXY+S2]/(DT*DU);
        F := F+V*T2*U1;
        FX := FX+2*V*T1*U1*DT;
        FY := FY+1*V*T2*U0*DU;
        FXY := FXY+2*V*T1*U0*DT*DU;
        V := +9*C.C[SF+S1]-9*C.C[SF+S2]+9*C.C[SF+S3]-9*C.C[SF+S4]+6*C.C[SFX+S1]/DT+3*C.C[SFX+S2]/DT-3*C.C[SFX+S3]/DT-6*C.C[SFX+S4]/DT+6*C.C[SFY+S1]/DU-6*C.C[SFY+S2]/DU-3*C.C[SFY+S3]/DU+3*C.C[SFY+S4]/DU+4*C.C[SFXY+S1]/(DT*DU)+2*C.C[SFXY+S2]/(DT*DU)+1*C.C[SFXY+S3]/(DT*DU)+2*C.C[SFXY+S4]/(DT*DU);
        F := F+V*T2*U2;
        FX := FX+2*V*T1*U2*DT;
        FY := FY+2*V*T2*U1*DU;
        FXY := FXY+4*V*T1*U1*DT*DU;
        V := -6*C.C[SF+S1]+6*C.C[SF+S2]-6*C.C[SF+S3]+6*C.C[SF+S4]-4*C.C[SFX+S1]/DT-2*C.C[SFX+S2]/DT+2*C.C[SFX+S3]/DT+4*C.C[SFX+S4]/DT-3*C.C[SFY+S1]/DU+3*C.C[SFY+S2]/DU+3*C.C[SFY+S3]/DU-3*C.C[SFY+S4]/DU-2*C.C[SFXY+S1]/(DT*DU)-1*C.C[SFXY+S2]/(DT*DU)-1*C.C[SFXY+S3]/(DT*DU)-2*C.C[SFXY+S4]/(DT*DU);
        F := F+V*T2*U3;
        FX := FX+2*V*T1*U3*DT;
        FY := FY+3*V*T2*U2*DU;
        FXY := FXY+6*V*T1*U2*DT*DU;
        V := +2*C.C[SF+S1]-2*C.C[SF+S2]+1*C.C[SFX+S1]/DT+1*C.C[SFX+S2]/DT;
        F := F+V*T3*U0;
        FX := FX+3*V*T2*U0*DT;
        V := +2*C.C[SFY+S1]/DU-2*C.C[SFY+S2]/DU+1*C.C[SFXY+S1]/(DT*DU)+1*C.C[SFXY+S2]/(DT*DU);
        F := F+V*T3*U1;
        FX := FX+3*V*T2*U1*DT;
        FY := FY+1*V*T3*U0*DU;
        FXY := FXY+3*V*T2*U0*DT*DU;
        V := -6*C.C[SF+S1]+6*C.C[SF+S2]-6*C.C[SF+S3]+6*C.C[SF+S4]-3*C.C[SFX+S1]/DT-3*C.C[SFX+S2]/DT+3*C.C[SFX+S3]/DT+3*C.C[SFX+S4]/DT-4*C.C[SFY+S1]/DU+4*C.C[SFY+S2]/DU+2*C.C[SFY+S3]/DU-2*C.C[SFY+S4]/DU-2*C.C[SFXY+S1]/(DT*DU)-2*C.C[SFXY+S2]/(DT*DU)-1*C.C[SFXY+S3]/(DT*DU)-1*C.C[SFXY+S4]/(DT*DU);
        F := F+V*T3*U2;
        FX := FX+3*V*T2*U2*DT;
        FY := FY+2*V*T3*U1*DU;
        FXY := FXY+6*V*T2*U1*DT*DU;
        V := +4*C.C[SF+S1]-4*C.C[SF+S2]+4*C.C[SF+S3]-4*C.C[SF+S4]+2*C.C[SFX+S1]/DT+2*C.C[SFX+S2]/DT-2*C.C[SFX+S3]/DT-2*C.C[SFX+S4]/DT+2*C.C[SFY+S1]/DU-2*C.C[SFY+S2]/DU-2*C.C[SFY+S3]/DU+2*C.C[SFY+S4]/DU+1*C.C[SFXY+S1]/(DT*DU)+1*C.C[SFXY+S2]/(DT*DU)+1*C.C[SFXY+S3]/(DT*DU)+1*C.C[SFXY+S4]/(DT*DU);

    библиотека http://alglib.sources.ru/
    модуль spline2d.pas
    произвольный кусочек кода

    MrShoor, 20 Марта 2010

    Комментарии (20)