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Don't sort all values in a compressed range.

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This commit is contained in:
Bartosz Taudul 2017-10-19 19:43:27 +02:00
parent fd22fed773
commit 5278bb29e6
1 changed files with 15 additions and 5 deletions
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20
server/TracyView.cpp
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@ -2495,18 +2495,28 @@ int View::DrawPlots( int offset, double pxns, const ImVec2& wpos, bool hover )
{ {
prevx = it; prevx = it;
if( m_tmpVecSize < rsz ) const auto skip = std::max<ptrdiff_t>( 1, rsz / 1024 );
const auto sz = rsz / skip + 1;
if( m_tmpVecSize < sz )
{ {
delete[] m_tmpVec; delete[] m_tmpVec;
m_tmpVec = new double[rsz]; m_tmpVec = new double[sz];
m_tmpVecSize = rsz; m_tmpVecSize = sz;
} }
auto dst = m_tmpVec; auto dst = m_tmpVec;
while( it < range ) for(;;)
{ {
*dst++ = it->val; *dst++ = it->val;
++it; if( std::distance( it, range ) > skip )
{
it += skip;
}
else
{
break;
}
} }
std::sort( m_tmpVec, dst, [] ( const auto& l, const auto& r ) { return l < r; } ); std::sort( m_tmpVec, dst, [] ( const auto& l, const auto& r ) { return l < r; } );