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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)
* - 64KB version
*/
#include "cpu/pred/multiperspective_perceptron_64KB.hh"
namespace gem5
{
namespace branch_prediction
{
MultiperspectivePerceptron64KB::MultiperspectivePerceptron64KB(
const MultiperspectivePerceptron64KBParams &p)
: MultiperspectivePerceptron(p)
{
}
void
MultiperspectivePerceptron64KB::createSpecs() {
addSpec(new ACYCLIC(10, -1, -1, 1.0, 0, 6, *this));
addSpec(new BLURRYPATH(10, 7, -1, 1.0, 0, 6, *this));
addSpec(new GHIST(0, 19, 1.3125, 0, 6, *this));
addSpec(new GHIST(0, 65, 0.85, 0, 6, *this));
addSpec(new GHIST(111, 222, 1.0, 0, 6, *this));
addSpec(new GHIST(115, 206, 1.0, 0, 6, *this));
addSpec(new GHIST(190, 336, 1.0, 0, 6, *this));
addSpec(new GHIST(21, 64, 1.0, 0, 6, *this));
addSpec(new GHIST(48, 119, 1.0, 0, 6, *this));
addSpec(new GHIST(67, 203, 0.75, 0, 6, *this));
addSpec(new GHIST(75, 150, 1.0, 0, 6, *this));
addSpec(new GHISTMODPATH(1, 5, 4, 1.45, 1913, 6, *this));
addSpec(new GHISTMODPATH(3, 13, 1, 1.0, 0, 6, *this));
addSpec(new GHISTPATH(105, 4, 0, 1.0, 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(23, 4, -1, 1.0, 0, 6, *this));
addSpec(new GHISTPATH(31, 1, -1, 1.0, 0, 6, *this));
addSpec(new GHISTPATH(32, 2, -1, 1.0, 0, 6, *this));
addSpec(new GHISTPATH(36, 4, -1, 1.0, 0, 6, *this));
addSpec(new GHISTPATH(51, 1, 0, 1.0, 0, 6, *this));
addSpec(new GHISTPATH(7, 1, -1, 1.5, 0, 6, *this));
addSpec(new GHISTPATH(72, 1, -1, 1.0, 0, 6, *this));
addSpec(new GHISTPATH(86, 4, 0, 1.0, 0, 6, *this));
addSpec(new IMLI(1, 1.8125, 0, 6, *this));
addSpec(new IMLI(4, 1.78125, 1536, 6, *this));
addSpec(new LOCAL(-1, 1.0, 1024, 6, *this));
addSpec(new LOCAL(-1, 2.0, 3467, 6, *this));
addSpec(new MODHIST(1, 16, 0.9375, 0, 6, *this));
addSpec(new MODPATH(3, 20, 1, 1.0, 0, 6, *this));
addSpec(new PATH(13, 2, -1, 1.4375, 0, 6, *this));
addSpec(new PATH(27, 5, -1, 1.0, 0, 6, *this));
addSpec(new RECENCY(10, 3, -1, 0.55, 1024, 6, *this));
addSpec(new RECENCY(14, 4, -1, 1.3125, 0, 6, *this));
addSpec(new RECENCYPOS(31, 1.5, 0, 6, *this));
addSpec(new SGHISTPATH(1, 2, 5, 1.25, 768, 6, *this));
addSpec(new SGHISTPATH(1, 5, 2, 1.3125, 972, 6, *this));
}
} // namespace branch_prediction
} // namespace gem5