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Merge pull request #796 from mcourteaux/master
Fix savings calculation.
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commit
60ae46a373
@ -185,6 +185,42 @@ static void PrintDiff( const std::string& diff )
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}
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}
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static void PrintSpeedupOrSlowdown( double time_this, double time_external, const char *metric )
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{
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const char *label;
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const char *time_diff = TimeToString( abs( time_external - time_this ) );
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ImVec4 color;
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double factor = time_this / time_external;
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if( time_external >= time_this )
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{
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label = "less";
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color = ImVec4( 0.1f, 0.6f, 0.1f, 1.0f );
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} else {
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label = "more";
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color = ImVec4( 0.8f, 0.1f, 0.1f, 1.0f );
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}
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ImGui::TextDisabled( "%s:", metric );
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ImGui::SameLine();
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TextColoredUnformatted( color, time_diff );
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ImGui::SameLine();
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TextColoredUnformatted( color, label );
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ImGui::SameLine();
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ImGui::TextUnformatted( "than external" );
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ImGui::SameLine();
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ImGui::Spacing();
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ImGui::SameLine();
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TextDisabledUnformatted("(");
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ImGui::SameLine();
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TextColoredUnformatted( ImVec4( 0xDD/511.f, 0xDD/511.f, 0x22/511.f, 1.f ), ICON_FA_LEMON );
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ImGui::SameLine();
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ImGui::TextDisabled("= %.2f%%", factor * 100 );
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ImGui::SameLine();
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TextColoredUnformatted( ImVec4( 0xDD/511.f, 0x22/511.f, 0x22/511.f, 1.f ), ICON_FA_GEM );
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ImGui::SameLine();
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TextDisabledUnformatted(")");
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}
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void View::DrawCompare()
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{
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const auto scale = GetScale();
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@ -796,7 +832,7 @@ void View::DrawCompare()
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ImGui::SameLine();
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SmallCheckbox( "Normalize values", &m_compare.normalize );
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ImGui::SameLine();
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DrawHelpMarker( "Normalization will fudge reported data values!" );
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DrawHelpMarker( "Normalization will rescale the total time of the external trace to match the count of this trace. This will skew reported total values!" );
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const auto cumulateTime = m_compare.cumulateTime;
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@ -965,11 +1001,9 @@ void View::DrawCompare()
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TextColoredUnformatted( ImVec4( 0xDD/511.f, 0x22/511.f, 0x22/511.f, 1.f ), ICON_FA_GEM );
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ImGui::SameLine();
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TextFocused( "Total time (ext.):", TimeToString( total1 * adj1 ) );
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TextFocused( "Savings:", TimeToString( total1 * adj1 - total0 * adj0 ) );
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ImGui::SameLine();
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char buf[64];
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PrintStringPercent( buf, ( total0 * adj0 ) / ( total1 * adj1 ) * 100 );
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TextDisabledUnformatted( buf );
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ImGui::Indent();
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PrintSpeedupOrSlowdown( total0 * adj0, total1 * adj1, "Total time" );
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ImGui::Unindent();
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TextFocused( "Max counts:", cumulateTime ? TimeToString( maxVal ) : RealToString( floor( maxVal ) ) );
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TextColoredUnformatted( ImVec4( 0xDD/511.f, 0xDD/511.f, 0x22/511.f, 1.f ), ICON_FA_LEMON );
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@ -1022,6 +1056,10 @@ void View::DrawCompare()
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TextFocused( "\xcf\x83 (ext.):", TimeToString( sd ) );
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TooltipIfHovered( "Standard deviation" );
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}
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ImGui::Indent();
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PrintSpeedupOrSlowdown( m_compare.average[0], m_compare.average[1], "Mean time" );
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PrintSpeedupOrSlowdown( m_compare.median[0], m_compare.median[1], "Median time" );
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ImGui::Unindent();
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ImGui::PushStyleColor( ImGuiCol_Text, ImVec4( 0xDD/511.f, 0xDD/511.f, 0x22/511.f, 1.f ) );
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ImGui::PushStyleColor( ImGuiCol_Button, ImVec4( 0xDD/255.f, 0xDD/255.f, 0x22/255.f, 1.f ) );
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