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Add dynamic executor slot growth

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This commit is contained in:
Billy Laws 2022-11-19 18:11:24 +00:00
parent 60169fce4c
commit 579a2d9337
4 changed files with 27 additions and 8 deletions
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4
app/src/main/cpp/skyline/common/circular_queue.h
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@ -124,9 +124,9 @@ namespace skyline {
* @param tranformation A function that takes in an item of TransformedType as input and returns an item of Type
*/
template<typename TransformedType, typename Transformation>
void AppendTranform(span <TransformedType> buffer, Transformation transformation) {
void AppendTranform(TransformedType &container, Transformation transformation) {
std::unique_lock lock(productionMutex);
for (auto &item : buffer) {
for (auto &item : container) {
auto next{end + 1};
next = (next == reinterpret_cast<Type *>(vector.end().base())) ? reinterpret_cast<Type *>(vector.begin().base()) : next;
if (next == start) {

22
app/src/main/cpp/skyline/gpu/interconnect/command_executor.cpp
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@ -55,8 +55,13 @@ namespace skyline::gpu::interconnect {
ready{other.ready} {}
std::shared_ptr<FenceCycle> CommandRecordThread::Slot::Reset(GPU &gpu) {
auto startTime{util::GetTimeNs()};
cycle->Wait();
cycle = std::make_shared<FenceCycle>(*cycle);
if (util::GetTimeNs() - startTime > GrowThresholdNs)
didWait = true;
// Command buffer doesn't need to be reset since that's done implicitly by begin
return cycle;
}
@ -126,10 +131,7 @@ namespace skyline::gpu::interconnect {
Logger::Warn("Failed to intialise RenderDoc API: {}", ret);
}
std::vector<Slot> slots{};
std::generate_n(std::back_inserter(slots), (1U << *state.settings->executorSlotCountScale), [&] () -> Slot { return gpu; });
outgoing.AppendTranform(span<Slot>(slots), [](auto &slot) { return &slot; });
outgoing.Push(&slots.emplace_back(gpu));
if (int result{pthread_setname_np(pthread_self(), "Sky-CmdRecord")})
Logger::Warn("Failed to set the thread name: {}", strerror(result));
@ -148,6 +150,11 @@ namespace skyline::gpu::interconnect {
renderDocApi->EndFrameCapture(RENDERDOC_DEVICEPOINTER_FROM_VKINSTANCE(instance), nullptr);
slot->capture = false;
if (slot->didWait && slots.size() < (1U << *state.settings->executorSlotCountScale)) {
outgoing.Push(&slots.emplace_back(gpu));
slot->didWait = false;
}
outgoing.Push(slot);
}, [] {});
} catch (const signal::SignalException &e) {
@ -166,7 +173,12 @@ namespace skyline::gpu::interconnect {
}
CommandRecordThread::Slot *CommandRecordThread::AcquireSlot() {
return outgoing.Pop();
auto startTime{util::GetTimeNs()};
auto slot{outgoing.Pop()};
if (util::GetTimeNs() - startTime > GrowThresholdNs)
slot->didWait = true;
return slot;
}
void CommandRecordThread::ReleaseSlot(Slot *slot) {

3
app/src/main/cpp/skyline/gpu/interconnect/command_executor.h
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@ -42,6 +42,7 @@ namespace skyline::gpu::interconnect {
u32 executionNumber;
bool ready{}; //!< If this slot's command buffer has had 'beginCommandBuffer' called and is ready to have commands recorded into it
bool capture{}; //!< If this slot's Vulkan commands should be captured using the renderdoc API
bool didWait{}; //!< If a wait of time longer than GrowThresholdNs occured when this slot was acquired
Slot(GPU &gpu);
@ -62,9 +63,11 @@ namespace skyline::gpu::interconnect {
};
private:
static constexpr size_t GrowThresholdNs{constant::NsInMillisecond / 4}; //!< The wait time threshold at which the slot count will be increased
const DeviceState &state;
CircularQueue<Slot *> incoming; //!< Slots pending recording
CircularQueue<Slot *> outgoing; //!< Slots that have been submitted, may still be active on the GPU
std::list<Slot> slots;
std::thread thread;

6
app/src/main/cpp/skyline/services/nvdrv/devices/nvhost/host1x_channel.cpp
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@ -3,6 +3,7 @@
#include <soc.h>
#include <services/nvdrv/devices/deserialisation/deserialisation.h>
#include <gpu.h>
#include "host1x_channel.h"
namespace skyline::service::nvdrv::device::nvhost {
@ -38,6 +39,9 @@ namespace skyline::service::nvdrv::device::nvhost {
for (size_t i{}; i < syncpointIncrs.size(); i++) {
const auto &incr{syncpointIncrs[i]};
for (size_t j{}; j < incr.numIncrs; j++)
state.soc->host1x.syncpoints[incr.syncpointId].Increment();
u32 max{core.syncpointManager.IncrementSyncpointMaxExt(incr.syncpointId, incr.numIncrs)};
if (i < fenceThresholds.size())
fenceThresholds[i] = max;
@ -52,7 +56,7 @@ namespace skyline::service::nvdrv::device::nvhost {
Logger::Debug("Submit gather, CPU address: 0x{:X}, words: 0x{:X}", gatherAddress, cmdBuf.words);
span gather(reinterpret_cast<u32 *>(gatherAddress), cmdBuf.words);
state.soc->host1x.channels[static_cast<size_t>(channelType)].Push(gather);
// state.soc->host1x.channels[static_cast<size_t>(channelType)].Push(gather);
}
return PosixResult::Success;