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Store memory pages in a contiguous memory area.

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This commit is contained in:
Bartosz Taudul 2018-04-03 19:17:32 +02:00
parent 5ce3e44c77
commit f0573d68bd
2 changed files with 32 additions and 57 deletions
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87
server/TracyView.cpp
View File

@ -3952,22 +3952,25 @@ void View::DrawMemory()
auto pages = GetMemoryPages();
size_t lines = pages.size();
size_t i = 0;
while( i < pages.size() )
const int8_t empty[PageSize] = {};
const auto sz = pages.size() / PageSize;
auto pgptr = pages.data();
const auto end = pgptr + sz * PageSize;
size_t lines = sz;
while( pgptr != end )
{
if( pages[i].empty() )
if( memcmp( empty, pgptr, PageSize ) == 0 )
{
i++;
while( i < pages.size() && pages[i].empty() )
pgptr += PageSize;
while( pgptr != end && memcmp( empty, pgptr, PageSize ) == 0 )
{
lines--;
i++;
pgptr += PageSize;
}
}
else
{
i++;
pgptr += PageSize;
}
}
@ -3978,44 +3981,43 @@ void View::DrawMemory()
draw->AddRectFilled( wpos, wpos + ImVec2( PageSize, lines ), 0xFF666666 );
size_t line = 0;
i = 0;
while( i < pages.size() )
pgptr = pages.data();
while( pgptr != end )
{
auto& page = pages[i];
if( page.empty() )
if( memcmp( empty, pgptr, PageSize ) == 0 )
{
i++;
pgptr += PageSize;
draw->AddLine( wpos + ImVec2( 0, line ), wpos + ImVec2( PageSize, line ), 0xFF555555 );
line++;
while( pages[i].empty() ) i++;
while( pgptr != end && memcmp( empty, pgptr, PageSize ) == 0 ) pgptr += PageSize;
}
else
{
size_t idx = 0;
while( idx < PageSize )
{
if( page[idx] == 0 )
if( pgptr[idx] == 0 )
{
do
{
idx++;
}
while( idx < PageSize && page[idx] == 0 );
while( idx < PageSize && pgptr[idx] == 0 );
}
else
{
auto val = page[idx];
auto val = pgptr[idx];
const auto i0 = idx;
do
{
idx++;
}
while( idx < PageSize && page[idx] == val );
while( idx < PageSize && pgptr[idx] == val );
draw->AddLine( wpos + ImVec2( i0, line ), wpos + ImVec2( idx, line ), val > 0 ? 0xFF44FF44 : 0xFF4444FF );
}
}
line++;
i++;
pgptr += PageSize;
}
}
@ -4026,27 +4028,17 @@ void View::DrawMemory()
ImGui::End();
}
static void PreparePageInit( Vector<int8_t>& page )
Vector<int8_t> View::GetMemoryPages() const
{
page.reserve_and_use( PageSize );
memset( page.data(), 0, PageSize );
}
static tracy_force_inline void PreparePage( Vector<int8_t>& page )
{
if( page.empty() ) PreparePageInit( page );
}
Vector<Vector<int8_t>> View::GetMemoryPages() const
{
Vector<Vector<int8_t>> ret;
Vector<int8_t> ret;
const auto& mem = m_worker.GetMemData();
const auto span = mem.high - mem.low;
const auto pages = ( span / PageChunkSize ) + 1;
ret.reserve_and_use( pages );
memset( ret.data(), 0, pages * sizeof( Vector<int8_t> ) );
ret.reserve_and_use( pages * PageSize );
auto pgptr = ret.data();
memset( pgptr, 0, pages * PageSize );
const auto zvMid = m_zvStart + ( m_zvEnd - m_zvStart ) / 2;
@ -4068,37 +4060,20 @@ Vector<Vector<int8_t>> View::GetMemoryPages() const
if( p0 == p1 )
{
auto& page = ret[p0];
PreparePage( page );
auto page = pgptr + p0 * PageSize;
if( c0 == c1 )
{
*( page.data() + c0 ) = val;
page[c0] = val;
}
else
{
memset( page.data() + c0, val, c1 - c0 + 1 );
memset( page + c0, val, c1 - c0 + 1 );
}
}
else
{
{
auto& page = ret[p0];
PreparePage( page );
memset( page.data() + c0, val, PageSize - c0 );
}
for( uint64_t i=p0+1; i<p1; i++ )
{
auto& page = ret[i];
if( page.empty() ) page.reserve_and_use( PageSize );
memset( page.data(), val, PageSize );
}
{
auto& page = ret[p1];
PreparePage( page );
memset( page.data(), val, c1 + 1 );
}
auto page = pgptr + p0 * PageSize;
memset( page + c0, val, ( PageSize - c0 ) + PageSize * ( p1 - p0 - 1 ) + ( c1 + 1 ) );
}
}

2
server/TracyView.hpp
View File

@ -109,7 +109,7 @@ private:
void FindZones();
#endif
Vector<Vector<int8_t>> GetMemoryPages() const;
Vector<int8_t> GetMemoryPages() const;
flat_hash_map<const void*, bool, nohash<const void*>> m_visible;
flat_hash_map<const void*, bool, nohash<const void*>> m_showFull;