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SPU: Reimplement SPURS limiter

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This commit is contained in:
Elad Ashkenazi 2024-10-15 14:34:06 +03:00 committed by Elad
parent 899b4aaeec
commit 3e516df214
1 changed files with 48 additions and 58 deletions
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106
rpcs3/Emu/Cell/SPUThread.cpp
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@ -4896,7 +4896,7 @@ bool spu_thread::process_mfc_cmd()
// Avoid logging useless commands if there is no reservation
const bool dump = g_cfg.core.mfc_debug && raddr;
const bool is_spurs_task_wait = pc == 0x11e4 && spurs_addr;
const bool is_spurs_task_wait = pc == 0x11e4 && spurs_addr != -0x80u;
if (!is_spurs_task_wait || spurs_addr != raddr || spurs_waited)
{
@ -4949,23 +4949,25 @@ bool spu_thread::process_mfc_cmd()
spurs_waited = true;
spurs_entered_wait = true;
// Wait the duration of 3 tasks
const u64 spurs_wait_time = std::clamp<u64>(spurs_average_task_duration / spurs_task_count_to_calculate * 3 + 2'000, 3'000, 100'000);
// Wait the duration of one and a half tasks
const u64 spurs_wait_time = std::clamp<u64>(spurs_average_task_duration / spurs_task_count_to_calculate * 3 / 2, 10'000, 100'000);
spurs_wait_duration_last = spurs_wait_time;
if (spurs_last_task_timestamp)
{
const u64 avg_entry = spurs_average_task_duration / spurs_task_count_to_calculate;
spurs_average_task_duration -= avg_entry;
spurs_average_task_duration += std::min<u64>(45'000, before - spurs_last_task_timestamp);
spurs_average_task_duration += std::min<u64>(45'000, current - spurs_last_task_timestamp);
spu_log.trace("duration: %d, avg=%d", current - spurs_last_task_timestamp, spurs_average_task_duration / spurs_task_count_to_calculate);
spurs_last_task_timestamp = 0;
}
while (true)
{
if (is_stopped())
if (is_stopped() || current - before >= spurs_wait_time)
{
// Timed-out
group->spurs_running++;
break;
}
@ -4993,13 +4995,6 @@ bool spu_thread::process_mfc_cmd()
}
current = get_system_time();
if (current - before >= spurs_wait_time)
{
// Timed-out
group->spurs_running++;
break;
}
}
state += cpu_flag::temp;
@ -5013,20 +5008,50 @@ bool spu_thread::process_mfc_cmd()
if (is_spurs_task_wait)
{
const u64 current = get_system_time();
const bool is_idle = (_ref<u8>(0x100 + 0x73) & (1u << index)) != 0;
const bool was_idle = (static_cast<u8>(rdata[0x73]) & (1u << index)) != 0;
if (spurs_last_task_timestamp)
if (!was_idle && is_idle)
{
const u64 avg_entry = spurs_average_task_duration / spurs_task_count_to_calculate;
spurs_average_task_duration -= avg_entry;
spu_log.trace("duration: %d, avg=%d", current - spurs_last_task_timestamp, spurs_average_task_duration / spurs_task_count_to_calculate);
spurs_average_task_duration -= avg_entry;
spurs_average_task_duration += std::min<u64>(45'000, current - spurs_last_task_timestamp);
}
const u32 prev_running = group->spurs_running.fetch_op([](u32& x)
{
if (x)
{
x--;
return true;
}
spurs_last_task_timestamp = current;
spurs_waited = false;
spurs_entered_wait = false;
return false;
}).first;
if (prev_running)
{
spurs_entered_wait = true;
}
if (prev_running == group->max_run && prev_running < group->max_num)
{
group->spurs_running.notify_one();
}
}
else if (was_idle && !is_idle)
{
// Cleanup
const u64 current = get_system_time();
if (spurs_last_task_timestamp)
{
const u64 avg_entry = spurs_average_task_duration / spurs_task_count_to_calculate;
spurs_average_task_duration -= avg_entry;
spurs_average_task_duration += std::min<u64>(45'000, current - spurs_last_task_timestamp);
spu_log.trace("duration: %d, avg=%d", current - spurs_last_task_timestamp, spurs_average_task_duration / spurs_task_count_to_calculate);
spurs_last_task_timestamp = 0;
}
spurs_last_task_timestamp = current;
spurs_waited = false;
spurs_entered_wait = false;
}
}
}
else
@ -5632,41 +5657,6 @@ s64 spu_thread::get_ch_value(u32 ch)
return events.events & mask1;
}
const bool is_spurs_task_wait = pc == 0x11a8 && spurs_addr == raddr;
if (is_spurs_task_wait)
{
if (g_cfg.core.max_spurs_threads != g_cfg.core.max_spurs_threads.def && !spurs_entered_wait && (static_cast<u8>(rdata[0x73]) & (1u << index)))
{
const u32 prev_running = group->spurs_running.fetch_op([](u32& x)
{
if (x)
{
x--;
return true;
}
return false;
}).first;
if (prev_running)
{
spurs_entered_wait = true;
}
if (prev_running == group->max_run && prev_running < group->max_num)
{
group->spurs_running.notify_one();
if (group->spurs_running == prev_running - 1)
{
// Try to let another thread slip in and take over execution
thread_ctrl::wait_for(300);
}
}
}
}
spu_function_logger logger(*this, "MFC Events read");
lv2_obj::prepare_for_sleep(*this);