Commit c2cded69 authored by fotopoulou's avatar fotopoulou
Browse files

Merge branch '2029-improve-wmops-performance-of-igf_getwhitespectraldata_ivas-2' into 'main' 

Resolve "Improve WMOPS performance of IGF_getWhiteSpectralData_ivas()"

Closes #2029

See merge request !2272
parents 7c2dae81 8b455030

lib_com/options.h

+1 −0
Original line number Diff line number Diff line
@@ -104,6 +104,7 @@ 
#define FIX_2010_PREP_TBE_EXC                                /* FhG: fix issues with varying Q-values for code_preQ_fx[] */

#define FIX_2025_FDCNG_MULT                                  /* Nokia, FhG: Fix LB FDCNG noise introduced by changing mult to i_mult */



#define OPT_IGF_GET_WHITE_SPEC_DATA                          /* FhG: optimized version of IGF_getWhiteSpectralData_ivas() */

#define FIX_1962_FORMAT_CONV_SPECTRAL_DIFF                   /* FhG: Improved precision of targetEnergy in ivas_ls_setup_conversion_process_mdct_fx() */

#define FIX_2003_CON_TCX_OVERFLOW                            /* FhG: Use a dynamic scaling factor for the synth buffer at the output of con_tcx_ivas_fx() */

#define HP20_FIX32_RECODING                                  /* FhG: optimized hp20_fx_32 calculation and applied it as hp20_fx_32_opt in decoder */

lib_dec/igf_dec_fx.c

+25 −1
Original line number Diff line number Diff line
@@ -2905,6 +2905,9 @@ static void IGF_getWhiteSpectralData_ivas( 
    Word16 tmp_e;

    Word16 out_e_arr[IGF_START_MX + MAX_IGF_SFB_LEN];

    Word16 max_out_e;

#ifdef OPT_IGF_GET_WHITE_SPEC_DATA

    Word64 window_sum;

#endif

    assert( LT_16( stop, IGF_START_MX + MAX_IGF_SFB_LEN ) );



    /* inits */
@@ -2930,8 +2933,22 @@ static void IGF_getWhiteSpectralData_ivas( 
    ak_e = add( tmp_e, sub( shl( sub( in_e, s_l ), 1 ), 15 ) ); // tmp_e + 2 * (in_e - s_l) - 15

    ak_e = sub( ak_e, 1 );



#ifdef OPT_IGF_GET_WHITE_SPEC_DATA

    window_sum = 0;

    move64();

    FOR( j = start - level; j < start + level; j++ )

    {

        window_sum = W_mac_32_32( window_sum, in[j], in[j] );

    }

#endif



    FOR( i = start; i < stop - level; i++ )

    {

#ifdef OPT_IGF_GET_WHITE_SPEC_DATA

        window_sum = W_mac_32_32( window_sum, in[i + level], in[i + level] );           /* add the right one */

        ak = Mult_32_16( W_shl_sat_l( window_sum, shift ), quo );                       // add( shl( level, 1 ), 1 ), &tmp_e ) );

        window_sum = W_sub( window_sum, W_mult_32_32( in[i - level], in[i - level] ) ); /* subtract the left one */

#else

        Word64 temp = 0;

        move64();

        FOR( j = i - level; j < i + level + 1; j++ )
@@ -2939,7 +2956,7 @@ static void IGF_getWhiteSpectralData_ivas( 
            temp = W_mac_32_32( temp, in[j], in[j] );

        }

        ak = Mult_32_16( W_shl_sat_l( temp, shift ), quo ); // add( shl( level, 1 ), 1 ), &tmp_e ) );



#endif



        n = sub( ak_e, norm_l( ak ) );

        n = shr( n, 1 );
@@ -2951,6 +2968,11 @@ static void IGF_getWhiteSpectralData_ivas( 


    FOR( ; i < stop; i++ )

    {

#ifdef OPT_IGF_GET_WHITE_SPEC_DATA

        ak = L_deposit_h( BASOP_Util_Divide3216_Scale( W_shl_sat_l( window_sum, shift ), sub( stop, sub( i, level ) ), &tmp_e ) );

        window_sum = W_sub( window_sum, W_mult_32_32( in[i - level], in[i - level] ) ); /* subtract the left one */

        ak_e = add( tmp_e, eff_e );                                                     // tmp_e + 2 * (in_e - s_l) - 15

#else

        Word64 temp = 0;

        move64();
@@ -2961,6 +2983,8 @@ static void IGF_getWhiteSpectralData_ivas( 


        ak = L_deposit_h( BASOP_Util_Divide3216_Scale( W_shl_sat_l( temp, shift ), sub( stop, sub( i, level ) ), &tmp_e ) );

        ak_e = add( tmp_e, eff_e ); // tmp_e + 2 * (in_e - s_l) - 15

#endif



        n = sub( ak_e, add( norm_l( ak ), 1 ) );

        n = shr( n, 1 );