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# Copyright (C) by Josh Blum. See LICENSE.txt for licensing information.
import unittest
import gras
import numpy
import time
from gras import TestUtils
#figure out the local include directories
import os
root_dir = os.path.join(os.path.dirname(__file__), '..')
gras_inc = os.path.join(root_dir, 'include')
pmc_inc = os.path.join(root_dir, 'PMC', 'include')
ADD_F32_SOURCE = """
#include <gras/block.hpp>
#include <gras/factory.hpp>
#include <iostream>
struct MyAddFloat32 : gras::Block
{
MyAddFloat32(void):
gras::Block("MyAddFloat32")
{
this->input_config(0).item_size = sizeof(float);
this->output_config(0).item_size = sizeof(float);
}
void work(const InputItems &ins, const OutputItems &outs)
{
const size_t n_nums = std::min(ins.min(), outs.min());
float *out = outs[0].cast<float *>();
const float *in0 = ins[0].cast<const float *>();
const float *in1 = ins[1].cast<const float *>();
for (size_t i = 0; i < n_nums; i++)
{
out[i] = in0[i] + in1[i];
}
this->consume(n_nums);
this->produce(n_nums);
}
};
GRAS_REGISTER_FACTORY0("/tests/my_add_f32", MyAddFloat32)
"""
ADD_CONST_F32_SOURCE = """
#include <gras/block.hpp>
#include <gras/factory.hpp>
#include <iostream>
struct MyAddConstFloat32 : gras::Block
{
MyAddConstFloat32(void):
gras::Block("MyAddConstFloat32")
{
this->input_config(0).item_size = sizeof(float);
this->output_config(0).item_size = sizeof(float);
this->set_value(0); //initial state
this->register_call("set_value", &MyAddConstFloat32::set_value);
this->register_call("get_value", &MyAddConstFloat32::get_value);
}
void set_value(const float &value)
{
_value = value;
}
float get_value(void)
{
return _value;
}
void work(const InputItems &ins, const OutputItems &outs)
{
const size_t n_nums = std::min(ins.min(), outs.min());
float *out = outs[0].cast<float *>();
const float *in = ins[0].cast<const float *>();
for (size_t i = 0; i < n_nums; i++)
{
out[i] = in[i] + _value;
}
this->consume(n_nums);
this->produce(n_nums);
}
float _value;
};
GRAS_REGISTER_FACTORY0("/tests/my_add_const_f32", MyAddConstFloat32)
"""
class JITFactoryTest(unittest.TestCase):
def setUp(self):
self.tb = gras.TopBlock()
def tearDown(self):
self.tb = None
def test_add_float32(self):
gras.jit_factory(ADD_F32_SOURCE, ["-O3", "-I"+gras_inc, "-I"+pmc_inc])
op = gras.make("/tests/my_add_f32")
vec0 = numpy.array(numpy.random.randint(-150, +150, 10000), numpy.float32)
vec1 = numpy.array(numpy.random.randint(-150, +150, 10000), numpy.float32)
src0 = TestUtils.VectorSource(numpy.float32, vec0)
src1 = TestUtils.VectorSource(numpy.float32, vec1)
dst = TestUtils.VectorSink(numpy.float32)
self.tb.connect(src0, (op, 0))
self.tb.connect(src1, (op, 1))
self.tb.connect(op, dst)
self.tb.run()
expected_result = list(vec0 + vec1)
actual_result = list(dst.data())
self.assertEqual(expected_result, actual_result)
def test_add_const_float32(self):
gras.jit_factory(ADD_CONST_F32_SOURCE, ["-O3", "-I"+gras_inc, "-I"+pmc_inc])
op = gras.make("/tests/my_add_const_f32")
offset = 42.
op.set_value(offset) #set offset for test
self.assertAlmostEqual(op.get_value(), offset)
vec = numpy.array(numpy.random.randint(-150, +150, 10000), numpy.float32)
src = TestUtils.VectorSource(numpy.float32, vec)
dst = TestUtils.VectorSink(numpy.float32)
self.tb.connect(src, op, dst)
self.tb.run()
expected_result = list(vec + offset)
actual_result = list(dst.data())
self.assertEqual(expected_result, actual_result)
def test_jit_compile_special(self):
SOURCE = """
#include <gras/block.hpp>
#include <gras/factory.hpp>
#include <iostream>
struct FooBar : gras::Block
{
FooBar(void):
gras::Block("FooBar")
{
}
void work(const InputItems &ins, const OutputItems &outs)
{
gras::SBufferConfig c0;
gras::SBuffer b0 = gras::SBuffer(c0);
gras::SBuffer i0 = this->get_input_buffer(0);
}
};
GRAS_REGISTER_FACTORY0("/tests/my_foo_bar", FooBar)
"""
gras.jit_factory(SOURCE, ["-O3", "-I"+gras_inc, "-I"+pmc_inc])
if __name__ == '__main__':
unittest.main()
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