ShuriZma
/
rpcs3
mirror of https://github.com/RPCS3/rpcs3.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

rsx: Disable predictions if 50% of predictions are wrong 

- This happens often in loading screens where the memory usage pattern is often randomized by loading in of assets
This commit is contained in:
kd-11 2018-09-22 16:33:31 +03:00 committed by kd-11
parent a3d44b5e1f
commit dab30c0051
1 changed files with 9 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
rpcs3/Emu/RSX/Common/texture_cache.h
View File

@ -1259,19 +1259,27 @@ namespace rsx
template <typename ...Args>
bool flush_memory_to_cache(const address_range &memory_range, bool skip_synchronized, u32 allowed_types_mask, Args&&... extra)
{
// Temporarily disable prediction if more than 50% of predictions are wrong. Also lower prediction pressure
if (m_num_cache_mispredictions > (m_num_cache_speculative_writes / 2) &&
m_num_cache_mispredictions > 8)
return false;
std::lock_guard lock(m_cache_mutex);
section_storage_type* region = find_flushable_section(memory_range);
//Check if section was released, usually if cell overwrites a currently bound render target
// Check if section was released, usually if cell overwrites a currently bound render target
if (region == nullptr)
return true;
// Skip if already synchronized
if (skip_synchronized && region->is_synchronized())
return false;
// Skip if type is not allowed
if ((allowed_types_mask & region->get_context()) == 0)
return true;
// Skip if more writes to the same target are likely
if (!region->writes_likely_completed())
return true;