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SPU: Implement GETLLAR polling detection

This commit is contained in:
Eladash 2020-06-05 18:43:42 +03:00 committed by Ani
parent d9750e8f9f
commit f8dbfa1d1e
2 changed files with 8 additions and 1 deletions
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6
rpcs3/Emu/Cell/SPUThread.cpp
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@ -1956,6 +1956,12 @@ bool spu_thread::process_mfc_cmd()
const u32 addr = ch_mfc_cmd.eal & -128;
const auto& data = vm::_ref<decltype(rdata)>(addr);
if (addr == raddr && !g_use_rtm && g_cfg.core.spu_getllar_polling_detection && rtime == vm::reservation_acquire(addr, 128) && cmp_rdata(rdata, data))
{
// Spinning, might as well yield cpu resources
std::this_thread::yield();
}
auto& dst = _ref<decltype(rdata)>(ch_mfc_cmd.lsa & 0x3ff80);
u64 ntime;

3
rpcs3/Emu/system_config.h
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@ -35,10 +35,11 @@ struct cfg_root : cfg::node
cfg::_bool set_daz_and_ftz{ this, "Set DAZ and FTZ", false };
cfg::_enum<spu_decoder_type> spu_decoder{ this, "SPU Decoder", spu_decoder_type::llvm };
cfg::_bool lower_spu_priority{ this, "Lower SPU thread priority" };
cfg::_bool spu_getllar_polling_detection{ this, "SPU GETLLAR polling detection", false, true };
cfg::_bool spu_debug{ this, "SPU Debug" };
cfg::_int<0, 6> preferred_spu_threads{ this, "Preferred SPU Threads", 0, true }; // Number of hardware threads dedicated to heavy simultaneous spu tasks
cfg::_int<0, 16> spu_delay_penalty{ this, "SPU delay penalty", 3 }; // Number of milliseconds to block a thread if a virtual 'core' isn't free
cfg::_bool spu_loop_detection{ this, "SPU loop detection", true }; // Try to detect wait loops and trigger thread yield
cfg::_bool spu_loop_detection{ this, "SPU loop detection", true, true }; // Try to detect wait loops and trigger thread yield
cfg::_int<0, 6> max_spurs_threads{ this, "Max SPURS Threads", 6 }; // HACK. If less then 6, max number of running SPURS threads in each thread group.
cfg::_enum<spu_block_size_type> spu_block_size{ this, "SPU Block Size", spu_block_size_type::safe };
cfg::_bool spu_accurate_getllar{ this, "Accurate GETLLAR", false };