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/*
* Copyright 2019 Texas A&M University
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Author: Daniel A. Jiménez
* Adapted to gem5 by: Javier Bueno Hedo
*
*/
/*
* Multiperspective Perceptron Predictor (by Daniel A. Jiménez)
* - 8KB version
*/
#include "cpu/pred/multiperspective_perceptron_8KB.hh"
namespace gem5
{
namespace branch_prediction
{
MultiperspectivePerceptron8KB::MultiperspectivePerceptron8KB(
const MultiperspectivePerceptron8KBParams &p)
: MultiperspectivePerceptron(p)
{
}
void
MultiperspectivePerceptron8KB::createSpecs() {
addSpec(new BIAS(2.40625, 0, 6, *this));
addSpec(new GHIST(0, 19, 1.4375, 0, 6, *this));
addSpec(new GHIST(0, 65, 1.0, 0, 6, *this));
addSpec(new GHIST(21, 64, 1.0, 0, 6, *this));
addSpec(new GHIST(75, 150, 1.0625, 0, 6, *this));
addSpec(new GHISTMODPATH(0, 7, 3, 1.625, 0, 6, *this));
addSpec(new GHISTPATH(11, 2, -1, 1.25, 0, 6, *this));
addSpec(new GHISTPATH(15, 4, -1, 1.125, 0, 6, *this));
addSpec(new GHISTPATH(31, 1, -1, 1.40625, 0, 6, *this));
addSpec(new GHISTPATH(7, 1, -1, 1.5, 600, 6, *this));
addSpec(new IMLI(4, 1.28125, 375, 6, *this));
addSpec(new LOCAL(-1, 1.5625, 512, 6, *this));
addSpec(new RECENCY(14, 4, -1, 1.25, 0, 6, *this));
addSpec(new RECENCYPOS(31, 1.875, 0, 6, *this));
addSpec(new SGHISTPATH(0, 4, 3, 1.65625, 0, 6, *this));
addSpec(new SGHISTPATH(1, 2, 5, 2.53125, 0, 5, *this));
}
} // namespace branch_prediction
} // namespace gem5