| /* |
| * 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 |