Commit 1006d34f authored by KLOCZKO Thibaud's avatar KLOCZKO Thibaud
Browse files

Global iterator.

parent 0a75b7b2
......@@ -60,13 +60,13 @@ void dtkDistributedCommunicator::uninitialize(void)
int dtkDistributedCommunicator::rank(void)
{
// DTK_DEFAULT_IMPLEMENTATION;
return -1;
return 0;
}
int dtkDistributedCommunicator::size(void)
{
// DTK_DEFAULT_IMPLEMENTATION;
return 0;
return 1;
}
qlonglong dtkDistributedCommunicator::allocate(qlonglong count, qlonglong size, void *buffer)
......@@ -74,7 +74,12 @@ qlonglong dtkDistributedCommunicator::allocate(qlonglong count, qlonglong size,
return -1;
}
QByteArray dtkDistributedCommunicator::get(qint32 from, qlonglong position , qlonglong size, qlonglong buffer_id)
void dtkDistributedCommunicator::get(qint32 from, qlonglong position, void *array, qlonglong buffer_id)
{
}
QByteArray dtkDistributedCommunicator::get(qint32 from, qlonglong position, qlonglong size, qlonglong buffer_id)
{
return QByteArray();
}
......
......@@ -20,7 +20,6 @@
// class dtkDistributedCommunicatorPrivate;
class dtkDistributedCommunicator : public QObject
{
Q_OBJECT
......@@ -45,7 +44,10 @@ public:
public:
virtual qlonglong allocate(qlonglong count, qlonglong size, void *buffer);
virtual QByteArray get(qint32 from, qlonglong position , qlonglong size, qlonglong buffer_id);
virtual void get(qint32 from, qlonglong position, void *array, qlonglong buffer_id);
virtual QByteArray get(qint32 from, qlonglong position, qlonglong size, qlonglong buffer_id);
virtual void put(qint32 dest, qlonglong position, qlonglong size, const QByteArray &data, qlonglong buffer_id);
// public:
......
......@@ -3,9 +3,9 @@
* Author: Thibaud Kloczko
* Created: Tue Feb 5 14:08:23 2013 (+0100)
* Version:
* Last-Updated: 2013 Thu Feb 7 15:06:29 (+0100)
* Last-Updated: 2013 Thu Feb 7 17:13:21 (+0100)
* By: Thibaud Kloczko
* Update #: 29
* Update #: 56
*/
/* Change Log:
......@@ -26,6 +26,23 @@ template<typename T> class dtkDistributedContainer;
// dtkDistributedLocalIterator
// ///////////////////////////////////////////////////////////////////
template<typename T> class dtkDistributedGlobalIterator
{
public:
qlonglong globalIndex(void) const {return 0;}
public:
bool hasNext(void) {return false;}
public:
const T& next(void) {return *new T();}
};
// ///////////////////////////////////////////////////////////////////
// dtkDistributedLocalIterator
// ///////////////////////////////////////////////////////////////////
template<typename T> class dtkDistributedLocalIterator
{
public:
......@@ -75,25 +92,37 @@ public:
public:
~dtkDistributedContainer(void);
private:
void allocate(void);
public:
void resize(const qlonglong& size);
qlonglong size(void) const;
public:
void set(const qlonglong& index, const T& value);
void set(const qlonglong& global_id, const T& value);
void setLocal(const qlonglong& local_id, const T& value);
public:
const T& at(const qlonglong& index);
T at(const qlonglong& global_id);
const T& localAt(const qlonglong& local_id);
public:
dtkDistributedLocalIterator<T>& localIterator(void);
dtkDistributedGlobalIterator<T>& globalIterator(void) { return *new dtkDistributedGlobalIterator<T>();}
private:
dtkDistributedMapper *m_mapper;
dtkDistributedCommunicator *m_comm;
private:
T *m_buffer;
qlonglong m_buffer_id;
T *m_temp;
QVector<T> m_array;
dtkDistributedLocalIterator<T> *m_iterator;
......
......@@ -3,9 +3,9 @@
* Author: Thibaud Kloczko
* Created: Tue Feb 5 14:12:49 2013 (+0100)
* Version:
* Last-Updated: 2013 Thu Feb 7 15:07:57 (+0100)
* Last-Updated: 2013 Thu Feb 7 17:05:30 (+0100)
* By: Thibaud Kloczko
* Update #: 56
* Update #: 139
*/
/* Change Log:
......@@ -15,6 +15,7 @@
#pragma once
#include "dtkDistributedMapper.h"
#include "dtkDistributedCommunicator.h"
// /////////////////////////////////////////////////////////////////
// dtkDistributedLocalIterator implementation
......@@ -91,16 +92,20 @@ template <typename T> qlonglong dtkDistributedLocalIterator<T>::globalIndex(void
// dtkDistributedContainer implementation
// /////////////////////////////////////////////////////////////////
template<typename T> dtkDistributedContainer<T>::dtkDistributedContainer(void) : m_iterator(0), m_mapper(new dtkDistributedMapper), m_comm(0)
template<typename T> dtkDistributedContainer<T>::dtkDistributedContainer(void) : m_buffer(0), m_iterator(0), m_mapper(new dtkDistributedMapper), m_comm(0), m_temp(0)
{
};
template<typename T> dtkDistributedContainer<T>::dtkDistributedContainer(const qlonglong& size, dtkDistributedCommunicator *communicator) : m_iterator(0), m_mapper(new dtkDistributedMapper), m_comm(communicator)
template<typename T> dtkDistributedContainer<T>::dtkDistributedContainer(const qlonglong& size, dtkDistributedCommunicator *communicator) : m_buffer(0), m_temp(0), m_iterator(0), m_mapper(new dtkDistributedMapper), m_comm(communicator)
{
this->resize(size);
//m_mapper->setMapping(size, m_comm->size());
m_comm->initialize();
m_mapper->setMapping(size, m_comm->size());
this->allocate();
};
template<typename T> dtkDistributedContainer<T>::~dtkDistributedContainer(void)
......@@ -109,8 +114,17 @@ template<typename T> dtkDistributedContainer<T>::~dtkDistributedContainer(void)
delete m_mapper;
};
template<typename T> void dtkDistributedContainer<T>::allocate(void)
{
qDebug() << __func__;
m_buffer = new T[m_mapper->count(m_comm->rank())];
// m_buffer_id = m_comm->allocate(m_mapper->count(m_comm->rank()), sizeof(T), m_buffer);
};
template<typename T> void dtkDistributedContainer<T>::resize(const qlonglong& size)
{
m_mapper->setMapping(size, 1);
m_buffer = new T[size];
m_array.resize(size);
};
......@@ -119,14 +133,40 @@ template <typename T> qlonglong dtkDistributedContainer<T>::size(void) const
return m_array.size();
};
template <typename T> void dtkDistributedContainer<T>::set(const qlonglong& index, const T& value)
template <typename T> void dtkDistributedContainer<T>::set(const qlonglong& global_id, const T& value)
{
m_buffer[m_mapper->globalToLocal(global_id)] = value;
//m_array.replace(global_id, value);
};
template <typename T> void dtkDistributedContainer<T>::setLocal(const qlonglong& local_id, const T& value)
{
m_array.replace(index, value);
m_buffer[local_id] = value;
};
template <typename T> const T&dtkDistributedContainer<T>:: at(const qlonglong& index)
template <typename T> T dtkDistributedContainer<T>::at(const qlonglong& global_id)
{
qint32 me = m_comm->rank();
qint32 owner = static_cast<qint32>(m_mapper->owner(global_id));
qlonglong pos = m_mapper->globalToLocal(global_id);
if (me == owner) {
return m_buffer[pos];
} else {
if (!m_temp)
m_temp = new T[1];
m_comm->get(owner, pos, m_temp, m_buffer_id);
return m_temp[0];
}
}
;
template <typename T> const T& dtkDistributedContainer<T>::localAt(const qlonglong& local_id)
{
return m_array.at(index);
return m_buffer[local_id];
};
template <typename T> dtkDistributedLocalIterator<T>& dtkDistributedContainer<T>::localIterator(void)
......
......@@ -59,13 +59,19 @@ void dtkDistributedMapperPrivate::setMapping(const qlonglong& id_number, const q
this->map.reserve(this->pu_count);
this->step = qRound(this->id_count / (1. * this->pu_count));
qlonglong remain = this->id_count - this->step * (this->pu_count - 1);
for (qlonglong i = 0; i < this->pu_count - 1; ++i)
this->map << i * this->step;
this->map << (this->map.at(this->pu_count - 2) + remain);
if (this->pu_count == 1) {
this->map << 0;
} else {
this->step = qRound(this->id_count / (1. * this->pu_count));
qlonglong remain = this->id_count - this->step * (this->pu_count - 1);
for (qlonglong i = 0; i < this->pu_count - 1; ++i)
this->map << i * this->step;
this->map << (this->map.at(this->pu_count - 2) + remain);
}
}
qlonglong dtkDistributedMapperPrivate::localToGlobal(const qlonglong& local_id, const qlonglong& pu_id) const
......
......@@ -13,6 +13,7 @@
*/
#include "dtkDistributedContainerTest.h"
#include <dtkDistributed/dtkDistributedCommunicator.h>
#include <dtkDistributed/dtkDistributedContainer.h>
void dtkDistributedContainerTestCase::initTestCase(void)
......@@ -27,64 +28,58 @@ void dtkDistributedContainerTestCase::init(void)
void dtkDistributedContainerTestCase::test1(void)
{
qlonglong N = 1001;
// qlonglong N = 1001;
qlonglong sum = 0;
for (qlonglong i = 0; i < N; ++i)
sum += i;
// qlonglong sum = 0;
// for (qlonglong i = 0; i < N; ++i)
// sum += i;
dtkDistributedContainer<qlonglong> c;
c.resize(N);
// dtkDistributedContainer<qlonglong> c;
// c.resize(N);
QVERIFY(N == c.size());
// QVERIFY(N == c.size());
dtkDistributedLocalIterator<qlonglong>& it = c.localIterator();
// dtkDistributedLocalIterator<qlonglong>& it = c.localIterator();
while(it.hasNext()) {
c.set(it.globalIndex(), it.localIndex());
it.next();
}
// while(it.hasNext()) {
// c.set(it.globalIndex(), it.localIndex());
// it.next();
// }
qlonglong check_sum = 0;
// qlonglong check_sum = 0;
it.toFront();
while(it.hasNext()) {
check_sum += c.at(it.localIndex());
it.next();
}
// it.toFront();
// while(it.hasNext()) {
// check_sum += c.at(it.localIndex());
// it.next();
// }
QVERIFY(sum == check_sum);
// QVERIFY(sum == check_sum);
}
void dtkDistributedContainerTestCase::test2(void)
{
qlonglong N = 1001;
qlonglong W = 9;
qlonglong sum = 0;
for (qlonglong i = 0; i < N; ++i)
sum += i;
dtkDistributedCommunicator comm;
dtkDistributedContainer<qlonglong> c;// = dtkDistributedContainer<qlonglong>(N, W);
dtkDistributedContainer<qlonglong> c = dtkDistributedContainer<qlonglong>(N, &comm);
QVERIFY(N == c.size());
dtkDistributedLocalIterator<qlonglong>& it = c.localIterator();
dtkDistributedGlobalIterator<qlonglong>& g_it = c.globalIterator();
while(it.hasNext()) {
c.set(it.globalIndex(), it.localIndex());
it.next();
while(g_it.hasNext()) {
c.set(g_it.globalIndex(), g_it.globalIndex());
g_it.next();
}
qlonglong check_sum = 0;
dtkDistributedLocalIterator<qlonglong>& it = c.localIterator();
it.toFront();
while(it.hasNext()) {
check_sum += c.at(it.localIndex());
c.setLocal(it.localIndex(), 2 * c.localAt(it.localIndex()));
it.next();
}
QVERIFY(sum == check_sum);
}
void dtkDistributedContainerTestCase::cleanupTestCase(void)
......
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