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-rw-r--r--src/runtime/CL/CLTuner.cpp102
-rw-r--r--src/runtime/CL/tuners/CLTuningParametersList.cpp81
2 files changed, 125 insertions, 58 deletions
diff --git a/src/runtime/CL/CLTuner.cpp b/src/runtime/CL/CLTuner.cpp
index 906021790e..e16d6808ed 100644
--- a/src/runtime/CL/CLTuner.cpp
+++ b/src/runtime/CL/CLTuner.cpp
@@ -32,13 +32,11 @@
#include <cerrno>
#include <fstream>
#include <limits>
-#include <memory>
-#include <string>
namespace arm_compute
{
CLTuner::CLTuner(bool tune_new_kernels, CLTuningInfo tuning_info)
- : real_clEnqueueNDRangeKernel(nullptr), _tuning_params_table(), _lws_table(), _kernel_event(), _tune_new_kernels(tune_new_kernels), _tuning_info(tuning_info), _tuner_mode(CLTunerMode::NORMAL)
+ : real_clEnqueueNDRangeKernel(nullptr), _tuning_params_table(), _lws_table(), _kernel_event(), _tune_new_kernels(tune_new_kernels), _tuning_info(tuning_info)
{
}
@@ -62,12 +60,12 @@ bool CLTuner::tune_new_kernels() const
void CLTuner::set_tuner_mode(CLTunerMode mode)
{
- _tuner_mode = mode;
+ _tuning_info.tuner_mode = mode;
}
CLTunerMode CLTuner::get_tuner_mode() const
{
- return _tuner_mode;
+ return _tuning_info.tuner_mode;
}
void CLTuner::tune_kernel_static(ICLKernel &kernel)
@@ -103,12 +101,20 @@ void CLTuner::tune_kernel_dynamic(ICLKernel &kernel, ITensorPack &tensors)
// Set Local-Workgroup-Size
kernel.set_lws_hint(opt_tuning_params.get_lws());
+ if(_tuning_info.tune_wbsm)
+ {
+ kernel.set_wbsm_hint(opt_tuning_params.get_wbsm());
+ }
}
}
else
{
// Set Local-Workgroup-Size
kernel.set_lws_hint(p->second.get_lws());
+ if(_tuning_info.tune_wbsm)
+ {
+ kernel.set_wbsm_hint(p->second.get_wbsm());
+ }
}
}
}
@@ -188,13 +194,15 @@ CLTuningParams CLTuner::find_optimal_tuning_params(ICLKernel &kernel, ITensorPac
cl_ulong min_exec_time = end - start;
_kernel_event = nullptr;
- cl::NDRange opt_lws = cl::NullRange;
+ CLTuningParams opt_tuning_params(cl::NullRange, 0);
// Construct the list of tuning parameters values to be tested based on the tuner mode.
- auto lws_list = cl_tuner::get_tuning_parameters_list(_tuner_mode, gws);
- for(size_t i = 0; i < lws_list->size(); ++i)
+ auto tuning_list = cl_tuner::get_tuning_parameters_list(_tuning_info, gws);
+ for(size_t i = 0; i < tuning_list->size(); ++i)
{
- cl::NDRange lws_test = (*lws_list)[i].get_lws();
+ CLTuningParams tuning_test = (*tuning_list)[i];
+ // Setting the lws
+ cl::NDRange lws_test = tuning_test.get_lws();
auto x = lws_test[0];
auto y = lws_test[1];
auto z = lws_test[2];
@@ -205,8 +213,12 @@ CLTuningParams CLTuner::find_optimal_tuning_params(ICLKernel &kernel, ITensorPac
continue;
}
- //Set the Local-Workgroup-Size
kernel.set_lws_hint(lws_test);
+ if(_tuning_info.tune_wbsm && CLKernelLibrary::get().is_wbsm_supported())
+ {
+ cl_int wbsm_test = tuning_test.get_wbsm();
+ kernel.set_wbsm_hint(wbsm_test);
+ }
// Run the kernel
inject_memory ? kernel.run_op(tensors, kernel.window(), queue_profiler) : kernel.run(kernel.window(), queue_profiler);
@@ -222,13 +234,17 @@ CLTuningParams CLTuner::find_optimal_tuning_params(ICLKernel &kernel, ITensorPac
if(diff < min_exec_time)
{
min_exec_time = diff;
- opt_lws = cl::NDRange(x, y, z);
+ opt_tuning_params.set_lws(tuning_test.get_lws());
+ if(_tuning_info.tune_wbsm)
+ {
+ opt_tuning_params.set_wbsm(tuning_test.get_wbsm());
+ }
}
}
// Restore real function
CLSymbols::get().clEnqueueNDRangeKernel_ptr = real_clEnqueueNDRangeKernel;
- return CLTuningParams(opt_lws);
+ return opt_tuning_params;
}
void CLTuner::import_lws_table(const std::unordered_map<std::string, cl::NDRange> &lws_table)
@@ -271,34 +287,46 @@ void CLTuner::load_from_file(const std::string &filename)
ARM_COMPUTE_ERROR_VAR("Failed to open '%s' (%s [%d])", filename.c_str(), strerror(errno), errno);
}
std::string line;
+ bool header_line = true;
while(!std::getline(fs, line).fail())
{
- std::istringstream ss(line);
- std::string token;
- if(std::getline(ss, token, ';').fail())
- {
- ARM_COMPUTE_ERROR_VAR("Malformed row '%s' in %s (Should be of the form 'kernel_id;lws[0];lws[1];lws[2]')", ss.str().c_str(), filename.c_str());
- }
- std::string kernel_id = token;
- cl::NDRange lws(1, 1, 1);
- for(int i = 0; i < 3; i++)
+ if(header_line)
{
- if(std::getline(ss, token, ';').fail())
+ header_line = false;
+ size_t pos_lws = line.find("lws");
+ size_t pos_wbsm = line.find("wbsm");
+ _tuning_info.tune_wbsm = false;
+ if(pos_lws != std::string::npos || pos_wbsm != std::string::npos)
{
- ARM_COMPUTE_ERROR_VAR("Malformed row '%s' in %s (Should be of the form 'kernel_id;lws[0];lws[1];lws[2]')", ss.str().c_str(), filename.c_str());
+ // The file has in the first line the parameters it has been tuned on
+ if(pos_wbsm != std::string::npos)
+ {
+ _tuning_info.tune_wbsm = true;
+ }
+ // Once the line with the tuning parameter is read we can
+ // read the next one to start collecting the values
+ if(std::getline(fs, line).fail())
+ {
+ break;
+ }
}
- lws.get()[i] = support::cpp11::stoi(token);
}
- // If all dimensions are 0: reset to NullRange (i.e nullptr)
- if(lws[0] == 0 && lws[1] == 0 && lws[2] == 0)
+ CLTuningParams tuning_params;
+ size_t pos = line.find(";");
+ if(pos == std::string::npos)
{
- lws = cl::NullRange;
+ ARM_COMPUTE_ERROR_VAR("Malformed row '%s' in %s", line.c_str(), filename.c_str());
}
- add_tuning_params(kernel_id, lws);
+ std::string kernel_id = line.substr(0, pos);
+ line.erase(0, pos + 1);
+ if(!tuning_params.from_string(_tuning_info, line))
+ {
+ ARM_COMPUTE_ERROR_VAR("Malformed row '%s' in %s", line.c_str(), filename.c_str());
+ }
+ add_tuning_params(kernel_id, tuning_params);
}
fs.close();
- _tuning_info.tune_lws = true;
}
bool CLTuner::save_to_file(const std::string &filename) const
@@ -307,14 +335,24 @@ bool CLTuner::save_to_file(const std::string &filename) const
{
return false;
}
-
std::ofstream fs;
fs.exceptions(std::ifstream::failbit | std::ifstream::badbit);
fs.open(filename, std::ios::out);
+ std::string header_string = "";
+ header_string += "lws";
+ if(_tuning_info.tune_wbsm)
+ {
+ if(!header_string.empty())
+ {
+ header_string += " ";
+ }
+ header_string += "wbsm";
+ }
+ fs << header_string << std::endl;
for(auto const &kernel_data : _tuning_params_table)
{
- const cl::NDRange lws = CLTuningParams(kernel_data.second).get_lws();
- fs << kernel_data.first << ";" << lws[0] << ";" << lws[1] << ";" << lws[2] << std::endl;
+ CLTuningParams tun_pams(kernel_data.second);
+ fs << kernel_data.first << tun_pams.to_string(_tuning_info) << std::endl;
}
fs.close();
return true;
diff --git a/src/runtime/CL/tuners/CLTuningParametersList.cpp b/src/runtime/CL/tuners/CLTuningParametersList.cpp
index 7f63078192..6cb2212794 100644
--- a/src/runtime/CL/tuners/CLTuningParametersList.cpp
+++ b/src/runtime/CL/tuners/CLTuningParametersList.cpp
@@ -35,8 +35,14 @@ constexpr unsigned int max_lws_supported_z{ 32u };
class CLTuningParametersList : public ICLTuningParametersList
{
protected:
- /* Shape of 3-D search space */
- TensorShape search_space_shape{ 0, 0, 0 };
+ /* Shape of 4-D search space */
+ TensorShape search_space_shape{ 0, 0, 0, 0 };
+ std::vector<unsigned int> _lws_x{ 0 };
+ std::vector<unsigned int> _lws_y{ 0 };
+ std::vector<unsigned int> _lws_z{ 0 };
+ std::vector<int> _wbsm{ 0 }; /* Modify the batches size of workgroups distributed to compute units.
+ The value is in the range [-31,+31].
+ When 0, the runtime-selected wbs used is unmodified. */
/** Constructor */
CLTuningParametersList() = default;
@@ -62,7 +68,7 @@ public:
/** Prevent default constructor calls */
CLTuningParametersListExhaustive() = delete;
/** Constructor */
- CLTuningParametersListExhaustive(const cl::NDRange &gws);
+ CLTuningParametersListExhaustive(const cl::NDRange &gws, CLTuningInfo tuning_info);
/** Copy Constructor */
CLTuningParametersListExhaustive(const CLTuningParametersListExhaustive &) = default;
/** Move Constructor */
@@ -83,7 +89,7 @@ class CLTuningParametersListNormal : public CLTuningParametersList
{
public:
/** Constructor */
- CLTuningParametersListNormal(const cl::NDRange &gws);
+ CLTuningParametersListNormal(const cl::NDRange &gws, CLTuningInfo tuning_info);
/** Copy Constructor */
CLTuningParametersListNormal(const CLTuningParametersListNormal &) = default;
/** Move Constructor */
@@ -98,11 +104,6 @@ public:
// Inherited methods overridden:
CLTuningParams operator[](size_t) override;
-protected:
- std::vector<unsigned int> _lws_x{};
- std::vector<unsigned int> _lws_y{};
- std::vector<unsigned int> _lws_z{};
-
/** Prevent default constructor calls */
CLTuningParametersListNormal() = default;
@@ -125,7 +126,7 @@ public:
/** Prevent default constructor calls */
CLTuningParametersListRapid() = delete;
/** Constructor */
- CLTuningParametersListRapid(const cl::NDRange &gws);
+ CLTuningParametersListRapid(const cl::NDRange &gws, CLTuningInfo tuning_info);
/** Copy Constructor */
CLTuningParametersListRapid(const CLTuningParametersListRapid &) = default;
/** Move Constructor */
@@ -156,36 +157,53 @@ CLTuningParams CLTuningParametersListExhaustive::operator[](size_t index)
{
ARM_COMPUTE_ERROR_ON(index >= size());
auto coords = index2coords(search_space_shape, index);
- return CLTuningParams(coords[0] + 1U, coords[1] + 1U, coords[2] + 1U);
+ return CLTuningParams(coords[0] + 1U, coords[1] + 1U, coords[2] + 1U, static_cast<int>(coords[3]));
}
-CLTuningParametersListExhaustive::CLTuningParametersListExhaustive(const cl::NDRange &gws)
+CLTuningParametersListExhaustive::CLTuningParametersListExhaustive(const cl::NDRange &gws, CLTuningInfo tuning_info)
{
ARM_COMPUTE_UNUSED(gws);
- search_space_shape = TensorShape(max_lws_supported_x,
- max_lws_supported_y,
- max_lws_supported_z);
+ search_space_shape[0] = max_lws_supported_x;
+ search_space_shape[1] = max_lws_supported_y;
+ search_space_shape[2] = max_lws_supported_z;
+ search_space_shape[3] = 1;
+ if(tuning_info.tune_wbsm)
+ {
+ _wbsm = { -3, -2, -1, 0, 1, 2, 3 };
+ search_space_shape[3] = _wbsm.size();
+ }
}
CLTuningParams CLTuningParametersListNormal::operator[](size_t index)
{
ARM_COMPUTE_ERROR_ON(index >= size());
auto coords = index2coords(search_space_shape, index);
- return CLTuningParams(_lws_x[coords[0]], _lws_y[coords[1]], _lws_z[coords[2]]);
+ return CLTuningParams(_lws_x[coords[0]], _lws_y[coords[1]], _lws_z[coords[2]], _wbsm[coords[3]]);
}
-CLTuningParametersListNormal::CLTuningParametersListNormal(const cl::NDRange &gws)
+CLTuningParametersListNormal::CLTuningParametersListNormal(const cl::NDRange &gws, CLTuningInfo tuning_info)
{
auto lws_x_max = std::min(static_cast<unsigned int>(gws[0]), max_lws_supported_x);
auto lws_y_max = std::min(static_cast<unsigned int>(gws[1]), max_lws_supported_y);
auto lws_z_max = std::min(static_cast<unsigned int>(gws[2]), max_lws_supported_z);
- // Initialize the LWS values to test
+ // Initialize the tuning parameters values to test
+ _lws_x = {};
+ _lws_y = {};
+ _lws_z = {};
initialize_lws_values(_lws_x, gws[0], lws_x_max, gws[2] > 16); // Explore lws that are not factors of gws only when gws[2] > 16
initialize_lws_values(_lws_y, gws[1], lws_y_max, gws[2] > 16); // Explore lws that are not factors of gws only when gws[2] > 16
initialize_lws_values(_lws_z, gws[2], lws_z_max, false);
- search_space_shape = TensorShape(_lws_x.size(), _lws_y.size(), _lws_z.size());
+ search_space_shape[0] = _lws_x.size();
+ search_space_shape[1] = _lws_y.size();
+ search_space_shape[2] = _lws_z.size();
+ search_space_shape[3] = 1;
+ if(tuning_info.tune_wbsm)
+ {
+ _wbsm = { -2, -1, 0, 1, 2 };
+ search_space_shape[3] = _wbsm.size();
+ }
}
void CLTuningParametersListNormal::initialize_lws_values(std::vector<unsigned int> &lws, unsigned int gws, unsigned int lws_max, bool mod_let_one)
@@ -207,18 +225,29 @@ void CLTuningParametersListNormal::initialize_lws_values(std::vector<unsigned in
}
}
-CLTuningParametersListRapid::CLTuningParametersListRapid(const cl::NDRange &gws)
+CLTuningParametersListRapid::CLTuningParametersListRapid(const cl::NDRange &gws, CLTuningInfo tuning_info)
{
auto lws_x_max = std::min(static_cast<unsigned int>(gws[0]), 8u); // Limit exploration to 1 - 8
auto lws_y_max = std::min(static_cast<unsigned int>(gws[1]), 4u); // Limit exploration to 1 - 4
auto lws_z_max = std::min(static_cast<unsigned int>(gws[2]), 4u); // Limit exploration to 1 - 4
// Initialize the LWS values to test
+ _lws_x = {};
+ _lws_y = {};
+ _lws_z = {};
initialize_lws_values(_lws_x, lws_x_max);
initialize_lws_values(_lws_y, lws_y_max);
initialize_lws_values(_lws_z, lws_z_max);
- search_space_shape = TensorShape(_lws_x.size(), _lws_y.size(), _lws_z.size());
+ search_space_shape[0] = _lws_x.size();
+ search_space_shape[1] = _lws_y.size();
+ search_space_shape[2] = _lws_z.size();
+ search_space_shape[3] = 1;
+ if(tuning_info.tune_wbsm)
+ {
+ _wbsm = { -1, 0, 1 };
+ search_space_shape[3] = _wbsm.size();
+ }
}
void CLTuningParametersListRapid::initialize_lws_values(std::vector<unsigned int> &lws, unsigned int lws_max)
@@ -231,16 +260,16 @@ void CLTuningParametersListRapid::initialize_lws_values(std::vector<unsigned int
}
}
-std::unique_ptr<ICLTuningParametersList> get_tuning_parameters_list(CLTunerMode mode, const cl::NDRange &gws)
+std::unique_ptr<ICLTuningParametersList> get_tuning_parameters_list(CLTuningInfo tuning_info, const cl::NDRange &gws)
{
- switch(mode)
+ switch(tuning_info.tuner_mode)
{
case CLTunerMode::EXHAUSTIVE:
- return std::make_unique<CLTuningParametersListExhaustive>(gws);
+ return std::make_unique<CLTuningParametersListExhaustive>(gws, tuning_info);
case CLTunerMode::NORMAL:
- return std::make_unique<CLTuningParametersListNormal>(gws);
+ return std::make_unique<CLTuningParametersListNormal>(gws, tuning_info);
case CLTunerMode::RAPID:
- return std::make_unique<CLTuningParametersListRapid>(gws);
+ return std::make_unique<CLTuningParametersListRapid>(gws, tuning_info);
default:
return nullptr;
}