Commit a6154d64 authored by ber's avatar ber
Browse files

check speedupChol2x2_0L2L

parent 63bdb05e

lib_rend/ivas_dirac_dec_binaural_functions.c

+92 −41
Original line number Diff line number Diff line
@@ -50,7 +50,20 @@ 
//#define FIX1072_SPEEDUP_formulate2x2MixingMatrix_fx_simple

//#define FIX1072_SPEEDUP_formulate2x2MixingMatrix_fx_reduceDivs // orange tests



//#define FIX1072_SPEEDUP_chol2x2_fx // 6Mhz



// Push this chol2x2 config: 0L2L - check pipelines

#define FIX1072_SPEEDUP_chol2x2_fx // 6Mhz _0 + _1 + _2

#ifdef FIX1072_SPEEDUP_chol2x2_fx

//#define FIX1072_SPEEDUP_chol2x2_fx_0

#ifndef FIX1072_SPEEDUP_chol2x2_fx_0

#define FIX1072_SPEEDUP_chol2x2_fx_0_light

#endif

//#define FIX1072_SPEEDUP_chol2x2_fx_1

//#define FIX1072_SPEEDUP_chol2x2_fx_2

#ifndef FIX1072_SPEEDUP_chol2x2_fx_2

#define FIX1072_SPEEDUP_chol2x2_fx_2_light

#endif

#endif



// SPEEDUP_matrix 012345: ACCEPT REGRESSIONS                  // NULL: 306.459 Mhz --> difference to SPEEDUP_matrix 012345 : 14Mhz

//#define FIX_1072_SPEEDUP_matrixMul_fx                       //SPEEDUP_matrix_0
@@ -82,7 +95,7 @@ 
//#define FIX_1072_REPLACE_DIV_SQRT_BY_ISQRT_5

#endif



#define FIX_1072_REDUCE_DIVS

//#define FIX_1072_REDUCE_DIVS // accept regressions!





#ifndef FIX_1072_REPLACE_DIV_SQRT_BY_ISQRT
@@ -4422,13 +4435,14 @@ static void chol2x2_fx( 
        }

        ELSE

        {

#ifdef FIX1072_SPEEDUP_chol2x2_fx

#if defined( FIX1072_SPEEDUP_chol2x2_fx ) && defined( FIX1072_SPEEDUP_chol2x2_fx_0 )

            {

                /*2,3 Mhz*/

                // outRe[1][0] = BASOP_Util_Divide3232_Scale_cadence( c_re, outRe[0][0], &exp );

                // q_re2 = add( sub( 31, exp ), sub( q_c, q_re1 ) );

                Word32 tmp32;

                Word16 exp_c = sub( 31, q_c );

            exp = sub( 31, q_re1 );

                Word16 exp = sub( 31, q_re1 );

                tmp32 = ISqrt32( outRe[0][0], &exp );

                move32();

                tmp32 = Mpy_32_32( tmp32, tmp32 );
@@ -4448,6 +4462,23 @@ static void chol2x2_fx( 
                move32();

                exp = add( exp, exp_c );

                q_im = sub( 31, exp );

            }

#elif defined( FIX1072_SPEEDUP_chol2x2_fx ) && defined( FIX1072_SPEEDUP_chol2x2_fx_0_light )

            {

                Word32 tmp32 = BASOP_Util_Divide3232_Scale_cadence( 0x7fffffff, outRe[0][0], &exp );

                Word16 exp_re = sub( 31, q_re1 );

                Word16 exp_c = sub( 31, q_c );

                exp = sub( exp, exp_re );

                

                outRe[1][0] = Mpy_32_32( tmp32, c_re );

                q_re2 = sub( 31, add( exp, exp_c ) );

                move32();



                outIm[1][0] = Mpy_32_32( tmp32, c_im );

                q_im = q_re2;

                move32();

            }



#else

            outRe[1][0] = BASOP_Util_Divide3232_Scale_cadence( c_re, outRe[0][0], &exp );

            move32();
@@ -4480,17 +4511,19 @@ static void chol2x2_fx( 
        }

        ELSE

        {

#ifdef FIX1072_SPEEDUP_chol2x2_fx

#if defined( FIX1072_SPEEDUP_chol2x2_fx ) && defined( FIX1072_SPEEDUP_chol2x2_fx_1 )

            {

                /*2Mhz*/

                // temp = BASOP_Util_Divide3232_Scale_cadence( temp, e1, &exp );

                // q_tmp = add( sub( 31, exp ), sub( q_tmp, q_e ) );

            exp = sub( 31, q_e );

                Word16 exp = sub( 31, q_e );

                Word32 tmp32 = ISqrt32( e1, &exp );

                tmp32 = Mpy_32_32( tmp32, tmp32 );

                exp = imult1616( 2, exp );

                temp = Mpy_32_32( temp, tmp32 );

                exp = add( exp, sub( 31, q_tmp ) );

                q_tmp = sub( 31, exp );

            }



#else

            temp = BASOP_Util_Divide3232_Scale_cadence( temp, e1, &exp );
@@ -4603,14 +4636,14 @@ static void chol2x2_fx( 
        temp = Madd_32_32( Mpy_32_32( c_re, c_re ), c_im, c_im );

        q_tmp = sub( add( q_c, q_c ), 31 );



#ifdef FIX1072_SPEEDUP_chol2x2_fx

#if defined( FIX1072_SPEEDUP_chol2x2_fx ) && defined( FIX1072_SPEEDUP_chol2x2_fx_2  )

        // 4611686 = 1e-12 in Q62

        IF( e2 == 0 )

        {

            // temp = BASOP_Util_Divide3232_Scale_cadence( temp, 4611686, &exp );

            // q_tmp = add( sub( 31, exp ), sub( q_tmp, 62 ) );

            Word32 tmp32 = 1953125005; /* 1/4611686 Q62 */

            exp = 9;

            Word16 exp = 9;

            temp = Mpy_32_32( temp, tmp32 );

            exp = add( exp, sub( 31, q_tmp ) );

            q_tmp = sub( 31, exp );
@@ -4619,7 +4652,7 @@ static void chol2x2_fx( 
        {

            // temp = BASOP_Util_Divide3232_Scale_cadence( temp, e2, &exp );

            // q_tmp = add( sub( 31, exp ), sub( q_tmp, q_e ) );

            exp = sub( 31, q_e );

            Word16 exp = sub( 31, q_e );

            Word32 tmp32 = ISqrt32( e2, &exp );

            tmp32 = Mpy_32_32( tmp32, tmp32 );

            exp = imult1616( 2, exp );
@@ -4627,6 +4660,24 @@ static void chol2x2_fx( 
            exp = add( exp, sub( 31, q_tmp ) );

            q_tmp = sub( 31, exp );

        }

#elif defined( FIX1072_SPEEDUP_chol2x2_fx ) && defined( FIX1072_SPEEDUP_chol2x2_fx_2_light )

        // 4611686 = 1e-12 in Q62

        Word32 tmp32;

        //Word16 exp;

        {

            tmp32 = 1953125005; /* 1/4611686 Q62 */

            exp = 9;

            move32();

            move32();

        }

        IF( e2 != 0 )

        {

            tmp32 = BASOP_Util_Divide3232_Scale_cadence( 0x7fffffff, e2, &exp );

            exp = add(sub( 0, sub(31, q_e)), exp);

        }

        temp = Mpy_32_32( temp, tmp32 );

        exp = add( exp, sub( 31, q_tmp ) );

        q_tmp = sub( 31, exp );

#else

        // 4611686 = 1e-12 in Q62

        IF( e2 == 0 )