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Diffstat (limited to 'ext/drampower/src/MemBankWiseParams.cc')
| -rw-r--r-- | ext/drampower/src/MemBankWiseParams.cc | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/ext/drampower/src/MemBankWiseParams.cc b/ext/drampower/src/MemBankWiseParams.cc new file mode 100644 index 000000000..c13281688 --- /dev/null +++ b/ext/drampower/src/MemBankWiseParams.cc @@ -0,0 +1,161 @@ +/* + * Copyright (c) 2012-2014, TU Delft + * Copyright (c) 2012-2014, TU Eindhoven + * Copyright (c) 2012-2016, TU Kaiserslautern + * All rights reserved. + * + * 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. + * + * Authors: Subash Kannoth, Matthias Jung, Éder F. Zulian + * + */ + +#include "MemBankWiseParams.h" + +using namespace Data; +/** + * Sets the default bankwise configurations. + */ +MemBankWiseParams::MemBankWiseParams(): + bwPowerFactRho(100), + bwPowerFactSigma(100), + bwMode(false), + flgPASR(false) +{ +} +/** + * Sets all the bankwise parameters required in bankwise mode + */ +MemBankWiseParams::MemBankWiseParams(int64_t factRho, int64_t factSigma, + bool hasPASR, int64_t pasrMode, + bool opMode, unsigned nbrofBanks) +{ + + bwPowerFactRho = factRho; + bwPowerFactSigma = factSigma; + bwMode = opMode; + flgPASR = hasPASR; + /////////////////////////////////////////////////////////// + // Activate banks for self refresh based on the PASR mode + // ACTIVE - X + // NOT ACTIVE - 0 + /////////////////////////////////////////////////////////// + switch(pasrMode){ + + case(PASR_0):{ + // PASR MODE 0 + // FULL ARRAY + // |X X X X | + // |X X X X | + activeBanks.resize(nbrofBanks); + std::iota(activeBanks.begin(), activeBanks.end(), 0); + break; + } + case(PASR_1):{ + // PASR MODE 1 + // (1/2) ARRAY + // |X X X X | + // |0 0 0 0 | + activeBanks.resize(nbrofBanks - 4); + std::iota(activeBanks.begin(), activeBanks.end(), 0); + break; + } + case(PASR_2):{ + // PASR MODE 2 + // (1/4) ARRAY + // |X X 0 0 | + // |0 0 0 0 | + activeBanks.resize(nbrofBanks - 6); + std::iota(activeBanks.begin(), activeBanks.end(), 0); + break; + } + case(PASR_3):{ + // PASR MODE 3 + // (1/8) ARRAY + // |X 0 0 0 | + // |0 0 0 0 | + activeBanks.resize(nbrofBanks - 7); + std::iota(activeBanks.begin(), activeBanks.end(), 0); + break; + } + case(PASR_4):{ + // PASR MODE 4 + // (3/4) ARRAY + // |0 0 X X | + // |X X X X | + activeBanks.resize(nbrofBanks - 2); + std::iota(activeBanks.begin(), activeBanks.end(), 2); + break; + } + case(PASR_5):{ + // PASR MODE 5 + // (1/2) ARRAY + // |0 0 0 0 | + // |X X X X | + activeBanks.resize(nbrofBanks - 4); + std::iota(activeBanks.begin(), activeBanks.end(), 4); + break; + } + case(PASR_6):{ + // PASR MODE 6 + // (1/4) ARRAY + // |0 0 0 0 | + // |0 0 X X | + activeBanks.resize(nbrofBanks - 6); + std::iota(activeBanks.begin(), activeBanks.end(), 6); + break; + } + case(PASR_7):{ + // PASR MODE 7 + // (1/8) ARRAY + // |0 0 0 0 | + // |0 0 0 X | + activeBanks.resize(nbrofBanks - 7); + std::iota(activeBanks.begin(), activeBanks.end(), 7); + break; + } + default:{ + // PASR MODE 0 + // FULL ARRAY + // |X X X X | + // |X X X X | + activeBanks.resize(nbrofBanks); + std::iota(activeBanks.begin(), activeBanks.end(), 0); + break; + } + } +} + +/** + * Returns true if the given bank is active under the current PASR mode. + */ +bool MemBankWiseParams::isBankActiveInPasr(const unsigned bankIdx) const +{ + return (std::find(activeBanks.begin(), activeBanks.end(), bankIdx) + != activeBanks.end()); +} |