mirror of
https://github.com/wolfpld/tracy.git
synced 2024-11-26 16:04:34 +00:00
Fast log10 is no longer needed.
This commit is contained in:
Bartosz Taudul
parent
560fc34ae6
commit
2c43e1337f
@ -259,34 +259,6 @@ static const char* MemSizeToString( int64_t val )
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return buf;
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}
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tracy_force_inline float frexpf_fast( float f, int& power )
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{
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float ret;
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int32_t fl;
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memcpy( &fl, &f, 4 );
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power = ( fl >> 23 ) & 0x000000ff;
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power -= 0x7e;
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fl &= 0x807fffff;
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fl |= 0x3f000000;
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memcpy( &ret, &fl, 4 );
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return ret;
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}
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tracy_force_inline float log2fast( float x )
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{
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int e;
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auto f = frexpf_fast( fabsf( x ), e );
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auto t0 = 1.23149591368684f * f - 4.11852516267426f;
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auto t1 = t0 * f + 6.02197014179219f;
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auto t2 = t1 * f - 3.13396450166353f;
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return t2 + e;
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}
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tracy_force_inline float log10fast( float x )
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{
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return log2fast( x ) * 0.301029995663981195213738894724493026768189881462108541310f; // 1/log2(10)
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}
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static void TextFocused( const char* label, const char* value )
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{
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ImGui::TextDisabled( "%s", label );
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@ -4931,16 +4903,16 @@ void View::DrawFindZone()
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if( m_findZone.logVal )
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{
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const auto hAdj = double( Height - 4 ) / log10fast( maxVal + 1 );
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const auto hAdj = double( Height - 4 ) / log10( maxVal + 1 );
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for( int i=0; i<numBins; i++ )
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{
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const auto val = cumulateTime ? binTime[i] : bins[i];
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if( val > 0 )
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{
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draw->AddLine( wpos + ImVec2( 2+i, Height-3 ), wpos + ImVec2( 2+i, Height-3 - log10fast( val + 1 ) * hAdj ), 0xFF22DDDD );
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draw->AddLine( wpos + ImVec2( 2+i, Height-3 ), wpos + ImVec2( 2+i, Height-3 - log10( val + 1 ) * hAdj ), 0xFF22DDDD );
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if( selBin[i] > 0 )
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{
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draw->AddLine( wpos + ImVec2( 2+i, Height-3 ), wpos + ImVec2( 2+i, Height-3 - log10fast( selBin[i] + 1 ) * hAdj ), 0xFFDD7777 );
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draw->AddLine( wpos + ImVec2( 2+i, Height-3 ), wpos + ImVec2( 2+i, Height-3 - log10( selBin[i] + 1 ) * hAdj ), 0xFFDD7777 );
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}
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}
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}
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@ -4967,8 +4939,8 @@ void View::DrawFindZone()
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if( m_findZone.logTime )
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{
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const auto ltmin = log10fast( tmin );
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const auto ltmax = log10fast( tmax );
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const auto ltmin = log10( tmin );
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const auto ltmax = log10( tmax );
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const auto start = int( floor( ltmin ) );
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const auto end = int( ceil( ltmax ) );
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@ -5014,7 +4986,7 @@ void View::DrawFindZone()
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{
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const auto pxns = numBins / dt;
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const auto nspx = 1.0 / pxns;
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const auto scale = std::max<float>( 0.0f, round( log10fast( nspx ) + 2 ) );
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const auto scale = std::max<float>( 0.0f, round( log10( nspx ) + 2 ) );
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const auto step = pow( 10, scale );
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const auto dx = step * pxns;
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@ -5182,11 +5154,11 @@ void View::DrawFindZone()
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float t0, t1;
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if( m_findZone.logTime )
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{
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const auto ltmin = log10fast( tmin );
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const auto ltmax = log10fast( tmax );
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const auto ltmin = log10( tmin );
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const auto ltmax = log10( tmax );
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t0 = ( log10fast( s ) - ltmin ) / float( ltmax - ltmin ) * numBins;
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t1 = ( log10fast( e ) - ltmin ) / float( ltmax - ltmin ) * numBins;
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t0 = ( log10( s ) - ltmin ) / float( ltmax - ltmin ) * numBins;
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t1 = ( log10( e ) - ltmin ) / float( ltmax - ltmin ) * numBins;
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}
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else
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{
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@ -5865,7 +5837,7 @@ void View::DrawCompare()
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if( m_compare.logVal )
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{
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const auto hAdj = double( Height - 4 ) / log10fast( maxVal + 1 );
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const auto hAdj = double( Height - 4 ) / log10( maxVal + 1 );
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for( int i=0; i<numBins; i++ )
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{
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const auto val0 = cumulateTime ? binTime[i].v0 : bins[i].v0;
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@ -5875,15 +5847,15 @@ void View::DrawCompare()
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const auto val = std::min( val0, val1 );
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if( val > 0 )
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{
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draw->AddLine( wpos + ImVec2( 2+i, Height-3 ), wpos + ImVec2( 2+i, Height-3 - log10fast( val + 1 ) * hAdj ), 0xFFBBBB44 );
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draw->AddLine( wpos + ImVec2( 2+i, Height-3 ), wpos + ImVec2( 2+i, Height-3 - log10( val + 1 ) * hAdj ), 0xFFBBBB44 );
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}
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if( val1 == val )
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{
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draw->AddLine( wpos + ImVec2( 2+i, Height-3 - log10fast( val + 1 ) * hAdj ), wpos + ImVec2( 2+i, Height-3 - log10fast( val0 + 1 ) * hAdj ), 0xFF22DDDD );
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draw->AddLine( wpos + ImVec2( 2+i, Height-3 - log10( val + 1 ) * hAdj ), wpos + ImVec2( 2+i, Height-3 - log10( val0 + 1 ) * hAdj ), 0xFF22DDDD );
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}
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else
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{
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draw->AddLine( wpos + ImVec2( 2+i, Height-3 - log10fast( val + 1 ) * hAdj ), wpos + ImVec2( 2+i, Height-3 - log10fast( val1 + 1 ) * hAdj ), 0xFF2222DD );
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draw->AddLine( wpos + ImVec2( 2+i, Height-3 - log10( val + 1 ) * hAdj ), wpos + ImVec2( 2+i, Height-3 - log10( val1 + 1 ) * hAdj ), 0xFF2222DD );
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}
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}
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}
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@ -5919,8 +5891,8 @@ void View::DrawCompare()
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if( m_compare.logTime )
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{
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const auto ltmin = log10fast( tmin );
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const auto ltmax = log10fast( tmax );
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const auto ltmin = log10( tmin );
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const auto ltmax = log10( tmax );
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const auto start = int( floor( ltmin ) );
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const auto end = int( ceil( ltmax ) );
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@ -5966,7 +5938,7 @@ void View::DrawCompare()
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{
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const auto pxns = numBins / dt;
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const auto nspx = 1.0 / pxns;
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const auto scale = std::max<float>( 0.0f, round( log10fast( nspx ) + 2 ) );
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const auto scale = std::max<float>( 0.0f, round( log10( nspx ) + 2 ) );
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const auto step = pow( 10, scale );
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const auto dx = step * pxns;
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@ -6003,8 +5975,8 @@ void View::DrawCompare()
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if( hover && ImGui::IsMouseHoveringRect( wpos + ImVec2( 2, 2 ), wpos + ImVec2( w-2, Height + round( ty * 1.5 ) ) ) )
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{
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const auto ltmin = log10fast( tmin );
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const auto ltmax = log10fast( tmax );
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const auto ltmin = log10( tmin );
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const auto ltmax = log10( tmax );
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auto& io = ImGui::GetIO();
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draw->AddLine( ImVec2( io.MousePos.x, wpos.y ), ImVec2( io.MousePos.x, wpos.y+Height-2 ), 0x33FFFFFF );
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@ -6622,13 +6594,13 @@ void View::DrawInfo()
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if( m_frameSortData.logVal )
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{
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const auto hAdj = double( Height - 4 ) / log10fast( maxVal + 1 );
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const auto hAdj = double( Height - 4 ) / log10( maxVal + 1 );
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for( int i=0; i<numBins; i++ )
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{
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const auto val = bins[i];
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if( val > 0 )
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{
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draw->AddLine( wpos + ImVec2( 2+i, Height-3 ), wpos + ImVec2( 2+i, Height-3 - log10fast( val + 1 ) * hAdj ), 0xFF22DDDD );
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draw->AddLine( wpos + ImVec2( 2+i, Height-3 ), wpos + ImVec2( 2+i, Height-3 - log10( val + 1 ) * hAdj ), 0xFF22DDDD );
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}
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}
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}
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@ -6650,8 +6622,8 @@ void View::DrawInfo()
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if( m_frameSortData.logTime )
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{
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const auto ltmin = log10fast( tmin );
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const auto ltmax = log10fast( tmax );
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const auto ltmin = log10( tmin );
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const auto ltmax = log10( tmax );
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const auto start = int( floor( ltmin ) );
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const auto end = int( ceil( ltmax ) );
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@ -6697,7 +6669,7 @@ void View::DrawInfo()
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{
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const auto pxns = numBins / dt;
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const auto nspx = 1.0 / pxns;
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const auto scale = std::max<float>( 0.0f, round( log10fast( nspx ) + 2 ) );
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const auto scale = std::max<float>( 0.0f, round( log10( nspx ) + 2 ) );
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const auto step = pow( 10, scale );
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const auto dx = step * pxns;
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@ -6737,11 +6709,11 @@ void View::DrawInfo()
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float ta, tm;
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if( m_frameSortData.logTime )
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{
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const auto ltmin = log10fast( tmin );
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const auto ltmax = log10fast( tmax );
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const auto ltmin = log10( tmin );
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const auto ltmax = log10( tmax );
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ta = ( log10fast( m_frameSortData.average ) - ltmin ) / float( ltmax - ltmin ) * numBins;
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tm = ( log10fast( m_frameSortData.median ) - ltmin ) / float( ltmax - ltmin ) * numBins;
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ta = ( log10( m_frameSortData.average ) - ltmin ) / float( ltmax - ltmin ) * numBins;
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tm = ( log10( m_frameSortData.median ) - ltmin ) / float( ltmax - ltmin ) * numBins;
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}
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else
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{
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@ -6764,8 +6736,8 @@ void View::DrawInfo()
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if( hover && ImGui::IsMouseHoveringRect( wpos + ImVec2( 2, 2 ), wpos + ImVec2( w-2, Height + round( ty * 1.5 ) ) ) )
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{
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const auto ltmin = log10fast( tmin );
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const auto ltmax = log10fast( tmax );
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const auto ltmin = log10( tmin );
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const auto ltmax = log10( tmax );
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auto& io = ImGui::GetIO();
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draw->AddLine( ImVec2( io.MousePos.x, wpos.y ), ImVec2( io.MousePos.x, wpos.y+Height-2 ), 0x33FFFFFF );
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