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/************************************************************************
FAUST Architecture File
Copyright (C) 2003-2020 GRAME, Centre National de Creation Musicale
---------------------------------------------------------------------
This Architecture section is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 3 of
the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; If not, see <http://www.gnu.org/licenses/>.
EXCEPTION : As a special exception, you may create a larger work
that contains this FAUST architecture section and distribute
that work under terms of your choice, so long as this FAUST
architecture section is not modified.
************************************************************************/
#include <iostream>
#include "faust/dsp/dsp-optimizer.h"
#include "faust/misc.h"
using namespace std;
template <typename REAL>
static void bench(dsp_optimizer_real<REAL> optimizer, const string& in_filename, bool is_trace)
{
tuple<double, double, double, TOption> res = optimizer.findOptimizedParameters();
if (is_trace) cout << "Best value for '" << in_filename << "' is : " << get<0>(res) << " MBytes/sec, SD : " << get<1>(res) << "% (DSP CPU : " << (get<2>(res) * 100) << "% at 44100 Hz) with ";
for (size_t i = 0; i < get<3>(res).size(); i++) {
cout << get<3>(res)[i] << " ";
}
cout << endl;
}
template <typename REAL>
static void bench_single(const string& in_filename, dsp* DSP, int buffer_size, int run, bool is_control, bool is_trace)
{
cout << "DSP inputs = " << DSP->getNumInputs() << " outputs = " << DSP->getNumOutputs() << endl;
measure_dsp_real<REAL> mes(DSP, buffer_size, 5., true, is_control); // Buffer_size and duration in sec of measure
for (int i = 0; i < run; i++) {
mes.measure();
std::pair<double, double> res = mes.getStats();
if (is_trace) cout << in_filename << " : " << res.first << " MBytes/sec, SD : " << res.second << "% (DSP CPU : " << (mes.getCPULoad() * 100) << "% at 44100 Hz)" << endl;
FAUSTBENCH_LOG<REAL>(res.first);
}
}
static void splitTarget(const string& target, string& triple, string& cpu)
{
size_t pos1 = target.find_first_of(':');
triple = target.substr(0, pos1);
if (pos1 != string::npos) {
cpu = target.substr(pos1 + 1);
}
}
int main(int argc, char* argv[])
{
if (argc == 1 || isopt(argv, "-h") || isopt(argv, "-help")) {
cout << "faustbench-llvm [-notrace] [-control] [-generic] [-single] [-run <num>] [-bs <frames>] [-opt <level (0..4|-1)>] [-us <factor>] [-ds <factor>] [-filter <filter(0..4)>] [additional Faust options (-vec -vs 8...)] foo.dsp" << endl;
cout << "Use '-notrace' to only generate the best compilation parameters\n";
cout << "Use '-control' to update all controllers with random values at each cycle\n";
cout << "Use '-generic' to compile for a generic processor, otherwise the native CPU will be used\n";
cout << "Use '-single' to execute only one test (scalar by default)\n";
cout << "Use '-run <num>' to execute each test <num> times\n";
cout << "Use '-bs <frames>' to set the buffer-size in frames\n";
cout << "Use '-opt <level (0..4|-1)>' to pass an optimisation level to LLVM, between 0 and 4 (-1 means 'maximal level' if range changes in the future)\n";
cout << "Use '-us <factor>' to upsample the DSP by a factor\n";
cout << "Use '-ds <factor>' to downsample the DSP by a factor\n";
cout << "Use '-filter <filter>' for upsampling or downsampling [0..4]\n";
return 0;
}
bool is_double = isopt(argv, "-double");
bool is_trace = !isopt(argv, "-notrace");
bool is_control = isopt(argv, "-control");
bool is_single = isopt(argv, "-single");
bool is_generic = isopt(argv, "-generic");
int run = lopt(argv, "-run", 1);
int buffer_size = lopt(argv, "-bs", 512);
int opt = lopt(argv, "-opt", -1);
int ds = lopt(argv, "-ds", 0);
int us = lopt(argv, "-us", 0);
int filter = lopt(argv, "-filter", 0);
if (is_trace) cout << "Libfaust version : " << getCLibFaustVersion() << endl;
// Possibly activate 'generic' generation mode
string target;
if (is_generic) {
string triple, cpu;
splitTarget(getDSPMachineTarget(), triple, cpu);
target = triple + ":generic";
if (is_trace) cout << "Using 'generic' mode\n";
} else {
if (is_trace) cout << "Using 'native' mode\n";
}
int argc1 = 0;
const char* argv1[64];
if (is_trace) cout << "Running with 'compute' called with " << buffer_size << " samples" << endl;
if (is_trace) cout << "Compiled with additional options : ";
for (int i = 1; i < argc-1; i++) {
if (string(argv[i]) == "-single"
|| string(argv[i]) == "-generic"
|| string(argv[i]) == "-control") {
continue;
} else if (string(argv[i]) == "-run"
|| string(argv[i]) == "-opt"
|| string(argv[i]) == "-bs"
|| string(argv[i]) == "-ds"
|| string(argv[i]) == "-us"
|| string(argv[i]) == "-filter") {
i++;
continue;
}
argv1[argc1++] = argv[i];
if (is_trace) cout << argv[i] << " ";
}
if (is_trace) cout << endl;
// Add library
argv1[argc1++] = "-I";
argv1[argc1++] = "/usr/local/share/faust";
argv1[argc1] = nullptr; // NULL terminated argv
//FAUSTBENCH_LOG<string>("faustbench LLVM");
string in_filename = argv[argc-1];
try {
if (is_single) {
string error_msg;
llvm_dsp_factory* factory = createDSPFactoryFromFile(in_filename, argc1, argv1, target, error_msg, opt);
if (!factory) {
cerr << error_msg;
exit(EXIT_FAILURE);
}
dsp* DSP = factory->createDSPInstance();
if (!DSP) {
cerr << "Cannot create instance\n";
exit(EXIT_FAILURE);
}
if (is_double) {
bench_single<double>(in_filename, DSP, buffer_size, run, is_control, is_trace);
} else {
bench_single<float>(in_filename, DSP, buffer_size, run, is_control, is_trace);
}
deleteDSPFactory(factory);
} else {
if (is_double) {
bench(dsp_optimizer_real<double>(in_filename,
argc1, argv1,
target, buffer_size,
run, -1,
is_trace,
is_control,
ds, us, filter),
in_filename,
is_trace);
} else {
bench(dsp_optimizer_real<float>(in_filename,
argc1, argv1,
target, buffer_size,
run, -1,
is_trace,
is_control,
ds, us, filter),
in_filename,
is_trace);
}
}
} catch (...) {
cerr << "libfaust error...\n";
exit(EXIT_FAILURE);
}
return 0;
}
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