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Diffstat (limited to 'src/mem/ruby/common/BigSet.cc')
-rw-r--r-- | src/mem/ruby/common/BigSet.cc | 249 |
1 files changed, 0 insertions, 249 deletions
diff --git a/src/mem/ruby/common/BigSet.cc b/src/mem/ruby/common/BigSet.cc deleted file mode 100644 index f55d7b79c..000000000 --- a/src/mem/ruby/common/BigSet.cc +++ /dev/null @@ -1,249 +0,0 @@ - -/* - * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer; - * 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; - * neither the name of the copyright holders 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 - * OWNER 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. - */ - -#include "mem/ruby/common/Set.hh" -#include "mem/ruby/config/RubyConfig.hh" - -Set::Set() -{ - setSize(RubyConfig::numberOfProcessors()); -} - -Set::Set(int size) -{ - setSize(size); -} - -void Set::add(NodeID index) -{ - m_bits[index] = Present; -} - -void Set::addSet(const Set& set) -{ - assert(m_bits.size() == set.getSize()); - for (int i=0; i<m_bits.size(); i++) { - if(set.isElement(i)){ - add(i); - } - } -} - -void Set::addRandom() -{ - int rand = random(); - for (int i=0; i<m_bits.size(); i++) { - if(rand & 0x1 == 0) { // Look at the low order bit - add(i); - } - rand = (rand >> 1); // Shift the random number to look at the next bit - } -} - -void Set::remove(NodeID index) -{ - m_bits[index] = NotPresent; -} - -void Set::removeSet(const Set& set) -{ - assert(m_bits.size() == set.getSize()); - for (int i=0; i<m_bits.size(); i++) { - if(set.isElement(i)){ - remove(i); - } - } -} - -void Set::clear() -{ - for (int i=0; i<m_bits.size(); i++) { - m_bits[i] = NotPresent; - } -} - -void Set::broadcast() -{ - for (int i=0; i<m_bits.size(); i++) { - m_bits[i] = Present; - } -} - -int Set::count() const -{ - int counter = 0; - for (int i=0; i<m_bits.size(); i++) { - if (m_bits[i] == Present) { - counter++; - } - } - return counter; -} - -bool Set::isEqual(const Set& set) const -{ - assert(m_bits.size() == set.getSize()); - for (int i=0; i<m_bits.size(); i++) { - if (m_bits[i] != set.isElement(i)) { - return false; - } - } - return true; -} - -NodeID Set::smallestElement() const -{ - assert(count() > 0); - for (int i=0; i<m_bits.size(); i++) { - if (isElement(i)) { - return i; - } - } - ERROR_MSG("No smallest element of an empty set."); -} - -// Returns true iff all bits are set -bool Set::isBroadcast() const -{ - for (int i=0; i<m_bits.size(); i++) { - if (m_bits[i] == NotPresent) { - return false; - } - } - return true; -} - -// Returns true iff no bits are set -bool Set::isEmpty() const -{ - for (int i=0; i<m_bits.size(); i++) { - if (m_bits[i] == Present) { - return false; - } - } - return true; -} - -// returns the logical OR of "this" set and orSet -Set Set::OR(const Set& orSet) const -{ - Set result; - assert(m_bits.size() == orSet.getSize()); - result.setSize(m_bits.size()); - for (int i=0; i<m_bits.size(); i++) { - if(m_bits[i] == Present || orSet.isElement(i)){ - result.add(i); - }else{ - result.remove(i); - } - } - - return result; - -} - -// returns the logical AND of "this" set and andSet -Set Set::AND(const Set& andSet) const -{ - Set result; - assert(m_bits.size() == andSet.getSize()); - result.setSize(m_bits.size()); - for (int i=0; i<m_bits.size(); i++) { - if(m_bits[i] == Present && andSet.isElement(i)){ - result.add(i); - }else{ - result.remove(i); - } - } - return result; -} - -// Returns true if the intersection of the two sets is non-empty -bool Set::intersectionIsNotEmpty(const Set& other_set) const -{ - assert(m_bits.size() == other_set.getSize()); - for(int index=0; index < m_bits.size(); index++){ - if(other_set.isElement(index) && isElement(index)) { - return true; - } - } - return false; -} - -// Returns true if the intersection of the two sets is non-empty -bool Set::intersectionIsEmpty(const Set& other_set) const -{ - assert(m_bits.size() == other_set.getSize()); - for(int index=0; index < m_bits.size(); index++){ - if(other_set.isElement(index) && isElement(index)) { - return false; - } - } - return true; -} - -bool Set::isSuperset(const Set& test) const -{ - assert(m_bits.size() == test.getSize()); - for(int index=0; index < m_bits.size(); index++){ - if(test.isElement(index) && !isElement(index)) { - return false; - } - } - return true; -} - -bool Set::isElement(NodeID element) const -{ - return (m_bits[element] == Present); -} - -NodeID Set::elementAt(int index) const -{ - if (m_bits[index] == Present) { - return m_bits[index] == Present; - } else { - return 0; - } -} - -void Set::setSize(int size) -{ - m_bits.setSize(size); - clear(); -} - -void Set::print(ostream& out) const -{ - out << "[Set "; - for (int i=0; i<m_bits.size(); i++) { - out << (bool)m_bits[i] << " "; - } - out << "]"; -} |