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Use fast log10.

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Bartosz Taudul 2018-06-06 01:54:17 +02:00
parent 8696c81e7d
commit be8d3f47cd
1 changed files with 41 additions and 41 deletions
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82
server/TracyView.cpp
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@ -3445,14 +3445,14 @@ void View::DrawFindZone()
{ {
if( m_findZone.logTime ) if( m_findZone.logTime )
{ {
const auto tMinLog = log10( tmin ); const auto tMinLog = log10fast( tmin );
const auto idt = numBins / ( log10( tmax ) - tMinLog ); const auto idt = numBins / ( log10fast( tmax ) - tMinLog );
for( auto& ev : zones ) for( auto& ev : zones )
{ {
const auto timeSpan = m_worker.GetZoneEndDirect( *ev.zone ) - ev.zone->start; const auto timeSpan = m_worker.GetZoneEndDirect( *ev.zone ) - ev.zone->start;
if( timeSpan != 0 ) if( timeSpan != 0 )
{ {
const auto bin = std::min( numBins - 1, int64_t( ( log10( timeSpan ) - tMinLog ) * idt ) ); const auto bin = std::min( numBins - 1, int64_t( ( log10fast( timeSpan ) - tMinLog ) * idt ) );
bins[bin]++; bins[bin]++;
binTime[bin] += timeSpan; binTime[bin] += timeSpan;
if( selThread == ( showThreads ? ev.thread : ( ev.zone->text.active ? ev.zone->text.idx : std::numeric_limits<uint64_t>::max() ) ) ) if( selThread == ( showThreads ? ev.thread : ( ev.zone->text.active ? ev.zone->text.idx : std::numeric_limits<uint64_t>::max() ) ) )
@ -3489,14 +3489,14 @@ void View::DrawFindZone()
{ {
if( m_findZone.logTime ) if( m_findZone.logTime )
{ {
const auto tMinLog = log10( tmin ); const auto tMinLog = log10fast( tmin );
const auto idt = numBins / ( log10( tmax ) - tMinLog ); const auto idt = numBins / ( log10fast( tmax ) - tMinLog );
for( auto& ev : zones ) for( auto& ev : zones )
{ {
const auto timeSpan = m_worker.GetZoneEndDirect( *ev.zone ) - ev.zone->start; const auto timeSpan = m_worker.GetZoneEndDirect( *ev.zone ) - ev.zone->start;
if( timeSpan != 0 ) if( timeSpan != 0 )
{ {
const auto bin = std::min( numBins - 1, int64_t( ( log10( timeSpan ) - tMinLog ) * idt ) ); const auto bin = std::min( numBins - 1, int64_t( ( log10fast( timeSpan ) - tMinLog ) * idt ) );
bins[bin]++; bins[bin]++;
binTime[bin] += timeSpan; binTime[bin] += timeSpan;
if( timeSpan >= s && timeSpan <= e ) selectionTime += timeSpan; if( timeSpan >= s && timeSpan <= e ) selectionTime += timeSpan;
@ -3526,14 +3526,14 @@ void View::DrawFindZone()
{ {
if( m_findZone.logTime ) if( m_findZone.logTime )
{ {
const auto tMinLog = log10( tmin ); const auto tMinLog = log10fast( tmin );
const auto idt = numBins / ( log10( tmax ) - tMinLog ); const auto idt = numBins / ( log10fast( tmax ) - tMinLog );
for( auto& ev : zones ) for( auto& ev : zones )
{ {
const auto timeSpan = m_worker.GetZoneEndDirect( *ev.zone ) - ev.zone->start; const auto timeSpan = m_worker.GetZoneEndDirect( *ev.zone ) - ev.zone->start;
if( timeSpan != 0 ) if( timeSpan != 0 )
{ {
const auto bin = std::min( numBins - 1, int64_t( ( log10( timeSpan ) - tMinLog ) * idt ) ); const auto bin = std::min( numBins - 1, int64_t( ( log10fast( timeSpan ) - tMinLog ) * idt ) );
bins[bin]++; bins[bin]++;
binTime[bin] += timeSpan; binTime[bin] += timeSpan;
if( selThread == ( showThreads ? ev.thread : ( ev.zone->text.active ? ev.zone->text.idx : std::numeric_limits<uint64_t>::max() ) ) ) if( selThread == ( showThreads ? ev.thread : ( ev.zone->text.active ? ev.zone->text.idx : std::numeric_limits<uint64_t>::max() ) ) )
@ -3568,14 +3568,14 @@ void View::DrawFindZone()
{ {
if( m_findZone.logTime ) if( m_findZone.logTime )
{ {
const auto tMinLog = log10( tmin ); const auto tMinLog = log10fast( tmin );
const auto idt = numBins / ( log10( tmax ) - tMinLog ); const auto idt = numBins / ( log10fast( tmax ) - tMinLog );
for( auto& ev : zones ) for( auto& ev : zones )
{ {
const auto timeSpan = m_worker.GetZoneEndDirect( *ev.zone ) - ev.zone->start; const auto timeSpan = m_worker.GetZoneEndDirect( *ev.zone ) - ev.zone->start;
if( timeSpan != 0 ) if( timeSpan != 0 )
{ {
const auto bin = std::min( numBins - 1, int64_t( ( log10( timeSpan ) - tMinLog ) * idt ) ); const auto bin = std::min( numBins - 1, int64_t( ( log10fast( timeSpan ) - tMinLog ) * idt ) );
bins[bin]++; bins[bin]++;
binTime[bin] += timeSpan; binTime[bin] += timeSpan;
} }
@ -3672,16 +3672,16 @@ void View::DrawFindZone()
if( m_findZone.logVal ) if( m_findZone.logVal )
{ {
const auto hAdj = double( Height - 4 ) / log10( maxVal + 1 ); const auto hAdj = double( Height - 4 ) / log10fast( maxVal + 1 );
for( int i=0; i<numBins; i++ ) for( int i=0; i<numBins; i++ )
{ {
const auto val = cumulateTime ? binTime[i] : bins[i]; const auto val = cumulateTime ? binTime[i] : bins[i];
if( val > 0 ) if( val > 0 )
{ {
draw->AddLine( wpos + ImVec2( 2+i, Height-3 ), wpos + ImVec2( 2+i, Height-3 - log10( val + 1 ) * hAdj ), 0xFF22DDDD ); draw->AddLine( wpos + ImVec2( 2+i, Height-3 ), wpos + ImVec2( 2+i, Height-3 - log10fast( val + 1 ) * hAdj ), 0xFF22DDDD );
if( selBin[i] > 0 ) if( selBin[i] > 0 )
{ {
draw->AddLine( wpos + ImVec2( 2+i, Height-3 ), wpos + ImVec2( 2+i, Height-3 - log10( selBin[i] + 1 ) * hAdj ), 0xFFDD7777 ); draw->AddLine( wpos + ImVec2( 2+i, Height-3 ), wpos + ImVec2( 2+i, Height-3 - log10fast( selBin[i] + 1 ) * hAdj ), 0xFFDD7777 );
} }
} }
} }
@ -3708,8 +3708,8 @@ void View::DrawFindZone()
if( m_findZone.logTime ) if( m_findZone.logTime )
{ {
const auto ltmin = log10( tmin ); const auto ltmin = log10fast( tmin );
const auto ltmax = log10( tmax ); const auto ltmax = log10fast( tmax );
const auto start = int( floor( ltmin ) ); const auto start = int( floor( ltmin ) );
const auto end = int( ceil( ltmax ) ); const auto end = int( ceil( ltmax ) );
@ -3755,7 +3755,7 @@ void View::DrawFindZone()
{ {
const auto pxns = numBins / dt; const auto pxns = numBins / dt;
const auto nspx = 1.0 / pxns; const auto nspx = 1.0 / pxns;
const auto scale = std::max( 0.0, round( log10( nspx ) + 2 ) ); const auto scale = std::max( 0.0f, round( log10fast( nspx ) + 2 ) );
const auto step = pow( 10, scale ); const auto step = pow( 10, scale );
const auto dx = step * pxns; const auto dx = step * pxns;
@ -3792,8 +3792,8 @@ void View::DrawFindZone()
if( hover && ImGui::IsMouseHoveringRect( wpos + ImVec2( 2, 2 ), wpos + ImVec2( w-2, Height + round( ty * 1.5 ) ) ) ) if( hover && ImGui::IsMouseHoveringRect( wpos + ImVec2( 2, 2 ), wpos + ImVec2( w-2, Height + round( ty * 1.5 ) ) ) )
{ {
const auto ltmin = log10( tmin ); const auto ltmin = log10fast( tmin );
const auto ltmax = log10( tmax ); const auto ltmax = log10fast( tmax );
auto& io = ImGui::GetIO(); auto& io = ImGui::GetIO();
draw->AddLine( ImVec2( io.MousePos.x, wpos.y ), ImVec2( io.MousePos.x, wpos.y+Height-2 ), 0x33FFFFFF ); draw->AddLine( ImVec2( io.MousePos.x, wpos.y ), ImVec2( io.MousePos.x, wpos.y+Height-2 ), 0x33FFFFFF );
@ -3857,11 +3857,11 @@ void View::DrawFindZone()
float t0, t1; float t0, t1;
if( m_findZone.logTime ) if( m_findZone.logTime )
{ {
const auto ltmin = log10( tmin ); const auto ltmin = log10fast( tmin );
const auto ltmax = log10( tmax ); const auto ltmax = log10fast( tmax );
t0 = ( log10( s ) - ltmin ) / float( ltmax - ltmin ) * numBins; t0 = ( log10fast( s ) - ltmin ) / float( ltmax - ltmin ) * numBins;
t1 = ( log10( e ) - ltmin ) / float( ltmax - ltmin ) * numBins; t1 = ( log10fast( e ) - ltmin ) / float( ltmax - ltmin ) * numBins;
} }
else else
{ {
@ -4275,14 +4275,14 @@ void View::DrawCompare()
if( m_compare.logTime ) if( m_compare.logTime )
{ {
const auto tMinLog = log10( tmin ); const auto tMinLog = log10fast( tmin );
const auto idt = numBins / ( log10( tmax ) - tMinLog ); const auto idt = numBins / ( log10fast( tmax ) - tMinLog );
for( auto& ev : zones0 ) for( auto& ev : zones0 )
{ {
const auto timeSpan = m_worker.GetZoneEndDirect( *ev.zone ) - ev.zone->start; const auto timeSpan = m_worker.GetZoneEndDirect( *ev.zone ) - ev.zone->start;
if( timeSpan != 0 ) if( timeSpan != 0 )
{ {
const auto bin = std::min( numBins - 1, int64_t( ( log10( timeSpan ) - tMinLog ) * idt ) ); const auto bin = std::min( numBins - 1, int64_t( ( log10fast( timeSpan ) - tMinLog ) * idt ) );
bins[bin].v0 += adj0; bins[bin].v0 += adj0;
binTime[bin].v0 += timeSpan * adj0; binTime[bin].v0 += timeSpan * adj0;
} }
@ -4292,7 +4292,7 @@ void View::DrawCompare()
const auto timeSpan = m_compare.second->GetZoneEndDirect( *ev.zone ) - ev.zone->start; const auto timeSpan = m_compare.second->GetZoneEndDirect( *ev.zone ) - ev.zone->start;
if( timeSpan != 0 ) if( timeSpan != 0 )
{ {
const auto bin = std::min( numBins - 1, int64_t( ( log10( timeSpan ) - tMinLog ) * idt ) ); const auto bin = std::min( numBins - 1, int64_t( ( log10fast( timeSpan ) - tMinLog ) * idt ) );
bins[bin].v1 += adj1; bins[bin].v1 += adj1;
binTime[bin].v1 += timeSpan * adj1; binTime[bin].v1 += timeSpan * adj1;
} }
@ -4327,14 +4327,14 @@ void View::DrawCompare()
{ {
if( m_compare.logTime ) if( m_compare.logTime )
{ {
const auto tMinLog = log10( tmin ); const auto tMinLog = log10fast( tmin );
const auto idt = numBins / ( log10( tmax ) - tMinLog ); const auto idt = numBins / ( log10fast( tmax ) - tMinLog );
for( auto& ev : zones0 ) for( auto& ev : zones0 )
{ {
const auto timeSpan = m_worker.GetZoneEndDirect( *ev.zone ) - ev.zone->start; const auto timeSpan = m_worker.GetZoneEndDirect( *ev.zone ) - ev.zone->start;
if( timeSpan != 0 ) if( timeSpan != 0 )
{ {
const auto bin = std::min( numBins - 1, int64_t( ( log10( timeSpan ) - tMinLog ) * idt ) ); const auto bin = std::min( numBins - 1, int64_t( ( log10fast( timeSpan ) - tMinLog ) * idt ) );
bins[bin].v0++; bins[bin].v0++;
binTime[bin].v0 += timeSpan; binTime[bin].v0 += timeSpan;
} }
@ -4344,7 +4344,7 @@ void View::DrawCompare()
const auto timeSpan = m_compare.second->GetZoneEndDirect( *ev.zone ) - ev.zone->start; const auto timeSpan = m_compare.second->GetZoneEndDirect( *ev.zone ) - ev.zone->start;
if( timeSpan != 0 ) if( timeSpan != 0 )
{ {
const auto bin = std::min( numBins - 1, int64_t( ( log10( timeSpan ) - tMinLog ) * idt ) ); const auto bin = std::min( numBins - 1, int64_t( ( log10fast( timeSpan ) - tMinLog ) * idt ) );
bins[bin].v1++; bins[bin].v1++;
binTime[bin].v1 += timeSpan; binTime[bin].v1 += timeSpan;
} }
@ -4434,7 +4434,7 @@ void View::DrawCompare()
if( m_compare.logVal ) if( m_compare.logVal )
{ {
const auto hAdj = double( Height - 4 ) / log10( maxVal + 1 ); const auto hAdj = double( Height - 4 ) / log10fast( maxVal + 1 );
for( int i=0; i<numBins; i++ ) for( int i=0; i<numBins; i++ )
{ {
const auto val0 = cumulateTime ? binTime[i].v0 : bins[i].v0; const auto val0 = cumulateTime ? binTime[i].v0 : bins[i].v0;
@ -4444,15 +4444,15 @@ void View::DrawCompare()
const auto val = std::min( val0, val1 ); const auto val = std::min( val0, val1 );
if( val > 0 ) if( val > 0 )
{ {
draw->AddLine( wpos + ImVec2( 2+i, Height-3 ), wpos + ImVec2( 2+i, Height-3 - log10( val + 1 ) * hAdj ), 0xFFBBBB44 ); draw->AddLine( wpos + ImVec2( 2+i, Height-3 ), wpos + ImVec2( 2+i, Height-3 - log10fast( val + 1 ) * hAdj ), 0xFFBBBB44 );
} }
if( val1 == val ) if( val1 == val )
{ {
draw->AddLine( wpos + ImVec2( 2+i, Height-3 - log10( val + 1 ) * hAdj ), wpos + ImVec2( 2+i, Height-3 - log10( val0 + 1 ) * hAdj ), 0xFF22DDDD ); draw->AddLine( wpos + ImVec2( 2+i, Height-3 - log10fast( val + 1 ) * hAdj ), wpos + ImVec2( 2+i, Height-3 - log10fast( val0 + 1 ) * hAdj ), 0xFF22DDDD );
} }
else else
{ {
draw->AddLine( wpos + ImVec2( 2+i, Height-3 - log10( val + 1 ) * hAdj ), wpos + ImVec2( 2+i, Height-3 - log10( val1 + 1 ) * hAdj ), 0xFF2222DD ); draw->AddLine( wpos + ImVec2( 2+i, Height-3 - log10fast( val + 1 ) * hAdj ), wpos + ImVec2( 2+i, Height-3 - log10fast( val1 + 1 ) * hAdj ), 0xFF2222DD );
} }
} }
} }
@ -4488,8 +4488,8 @@ void View::DrawCompare()
if( m_compare.logTime ) if( m_compare.logTime )
{ {
const auto ltmin = log10( tmin ); const auto ltmin = log10fast( tmin );
const auto ltmax = log10( tmax ); const auto ltmax = log10fast( tmax );
const auto start = int( floor( ltmin ) ); const auto start = int( floor( ltmin ) );
const auto end = int( ceil( ltmax ) ); const auto end = int( ceil( ltmax ) );
@ -4535,7 +4535,7 @@ void View::DrawCompare()
{ {
const auto pxns = numBins / dt; const auto pxns = numBins / dt;
const auto nspx = 1.0 / pxns; const auto nspx = 1.0 / pxns;
const auto scale = std::max( 0.0, round( log10( nspx ) + 2 ) ); const auto scale = std::max( 0.0f, round( log10fast( nspx ) + 2 ) );
const auto step = pow( 10, scale ); const auto step = pow( 10, scale );
const auto dx = step * pxns; const auto dx = step * pxns;
@ -4572,8 +4572,8 @@ void View::DrawCompare()
if( hover && ImGui::IsMouseHoveringRect( wpos + ImVec2( 2, 2 ), wpos + ImVec2( w-2, Height + round( ty * 1.5 ) ) ) ) if( hover && ImGui::IsMouseHoveringRect( wpos + ImVec2( 2, 2 ), wpos + ImVec2( w-2, Height + round( ty * 1.5 ) ) ) )
{ {
const auto ltmin = log10( tmin ); const auto ltmin = log10fast( tmin );
const auto ltmax = log10( tmax ); const auto ltmax = log10fast( tmax );
auto& io = ImGui::GetIO(); auto& io = ImGui::GetIO();
draw->AddLine( ImVec2( io.MousePos.x, wpos.y ), ImVec2( io.MousePos.x, wpos.y+Height-2 ), 0x33FFFFFF ); draw->AddLine( ImVec2( io.MousePos.x, wpos.y ), ImVec2( io.MousePos.x, wpos.y+Height-2 ), 0x33FFFFFF );