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SPU: Limit SPU self notifying thread to 12+ threaded CPUs

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This commit is contained in:
Elad
2025-09-05 10:31:23 +03:00
committed by Elad
parent fc62733d65
commit f84df03651
1 changed files with 13 additions and 6 deletions
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rpcs3/Emu/Cell/SPUThread.cpp
+13 -6
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@@ -6122,13 +6122,14 @@ s64 spu_thread::get_ch_value(u32 ch)
val = static_cast<u8>(std::min<u32>(val + 1, u8{umax})); val = static_cast<u8>(std::min<u32>(val + 1, u8{umax}));
} }
if (!s_is_reservation_data_checking_thread)// && std::find(raddr_busy_wait_addr.begin(), raddr_busy_wait_addr.end(), raddr) != raddr_busy_wait_addr.end()) if (!s_is_reservation_data_checking_thread && utils::get_thread_count() >= 12)// && std::find(raddr_busy_wait_addr.begin(), raddr_busy_wait_addr.end(), raddr) != raddr_busy_wait_addr.end())
{ {
if (s_is_reservation_data_checking_thread.compare_and_swap_test(0, 1)) if (s_is_reservation_data_checking_thread.compare_and_swap_test(0, 1))
{ {
eventstat_busy_waiting_switch = 1; eventstat_busy_waiting_switch = 1;
is_reservation_data_checking_thread = true; is_reservation_data_checking_thread = true;
eventstat_raddr = 1; eventstat_raddr = 1;
eventstat_spin_count = 0;
} }
} }
} }
@@ -6189,8 +6190,12 @@ s64 spu_thread::get_ch_value(u32 ch)
if (vm::reservation_acquire(raddr) == rtime) if (vm::reservation_acquire(raddr) == rtime)
{ {
// Confirm change in data only, register address for busy waiting // Confirm change in data only, register address for busy waiting
std::rotate(raddr_busy_wait_addr.rbegin(), raddr_busy_wait_addr.rbegin() + 1, raddr_busy_wait_addr.rend()); if (std::find(raddr_busy_wait_addr.begin(), raddr_busy_wait_addr.end(), raddr) == raddr_busy_wait_addr.end())
raddr_busy_wait_addr[0] = raddr; {
std::rotate(raddr_busy_wait_addr.rbegin(), raddr_busy_wait_addr.rbegin() + 1, raddr_busy_wait_addr.rend());
raddr_busy_wait_addr[0] = raddr;
}
vm::reservation_update(raddr); vm::reservation_update(raddr);
} }
@@ -6382,10 +6387,12 @@ s64 spu_thread::get_ch_value(u32 ch)
} }
else if (!cmp_rdata(_this->rdata, *_this->resrv_mem)) else if (!cmp_rdata(_this->rdata, *_this->resrv_mem))
{ {
if (vm::reservation_acquire(raddr) == _this->rtime) auto& wait_addrs = _this->raddr_busy_wait_addr;
if (vm::reservation_acquire(raddr) == _this->rtime && std::find(wait_addrs.begin(), wait_addrs.end(), raddr) == wait_addrs.end())
{ {
std::rotate(_this->raddr_busy_wait_addr.rbegin(), _this->raddr_busy_wait_addr.rbegin() + 1, _this->raddr_busy_wait_addr.rend()); std::rotate(wait_addrs.rbegin(), wait_addrs.rbegin() + 1, wait_addrs.rend());
_this->raddr_busy_wait_addr[0] = raddr; wait_addrs[0] = raddr;
} }
// Notify threads manually, memory data has likely changed and broke the reservation for others // Notify threads manually, memory data has likely changed and broke the reservation for others