Expertiza_Wiki - User contributions [en]

CSC/ECE 506 Spring 2015/37 mr

2015-01-29T02:53:12Z

Mjledfor:

# Example 1
# Example 2
'''Parallelize the code below using loop distribution'''
----

for (i=0; i<n; i++) {
S1: a[i] = b[i-1] * a[i+1];
S2: b[i] = b[i] * 3;
S3: c[i] = .2 * (c[i-1] * c[i]);
}

'''After loop distribution'''
----

for(i=0; i < n; i++)
S1: a[i] = b[i-1] * a[i+1];
for(i=0; i < n; i++)
S3: c[i] = .2* c[i-1] * c[i];
for(i=0; i < n; i++)
S2: b[i] = b[i] * 3;
----

'''Now write the parallelized code in openMP using C++'''
----

#pragma omp parallel shared(a,b,c)private(i) {
#pragma omp sections nowait
{
#pragma omp section
for(i=0; i < n; i++)
a[i] = b[i-1] * a[i+1];
#pragma omp section
for(i=0; i<n; i++)
c[i] = .2* c[i-1]*c[i];
#pragma omp section
for(i=0; i < n; i++)
b[i] = b[i] * 3;
}//end omp sections
} //end omp parallel

CSC/ECE 506 Spring 2015/37 mr

2015-01-29T02:52:30Z

Mjledfor:

# Example 1
# Example 2
'''Parallelize the code below using loop distribution'''
----

for (i=0; i<n; i++) {
S1: a[i] = b[i-1] * a[i+1];
S2: b[i] = b[i] * 3;
S3: c[i] = .2 * (c[i-1] * c[i]);
}

'''After loop distribution'''
----

for(i=0; i < n; i++) {
S1: a[i] = b[i-1] * a[i+1]; }
for(i=0; i < n; i++)
S3: c[i] = .2* c[i-1] * c[i];
for(i=0; i < n; i++)
S2: b[i] = b[i] * 3;
----

'''Now write the parallelized code in openMP using C++'''
----

#pragma omp parallel shared(a,b,c)private(i) {
#pragma omp sections nowait
{
#pragma omp section
for(i=0; i < n; i++)
a[i] = b[i-1] * a[i+1];
#pragma omp section
for(i=0; i<n; i++)
c[i] = .2* c[i-1]*c[i];
#pragma omp section
for(i=0; i < n; i++)
b[i] = b[i] * 3;
}//end omp sections
} //end omp parallel

CSC/ECE 506 Spring 2015/37 mr

2015-01-29T02:52:01Z

Mjledfor:

CSC/ECE 506 Spring 2015/37 mr

2015-01-29T02:50:49Z

Mjledfor:

# Example 1
# Example 2
'''Parallelize the code below using loop distribution'''
----

for (i=0; i<n; i++) {
S1: a[i] = b[i-1] * a[i+1];
S2: b[i] = b[i] * 3;
S3: c[i] = .2 * (c[i-1] * c[i]);
}

'''After loop distribution'''
----
for(i=0; i < n; i++)
S1: a[i] = b[i-1] * a[i+1];
for(i=0; i < n; i++)
S3: c[i] = .2* c[i-1] * c[i];
for(i=0; i < n; i++)
S2: b[i] = b[i] * 3;
----

'''Now write the parallelized code in openMP using C++'''
----

#pragma omp parallel shared(a,b,c)private(i) {
#pragma omp sections nowait
{
#pragma omp section
for(i=0; i < n; i++)
a[i] = b[i-1] * a[i+1];
#pragma omp section
for(i=0; i<n; i++)
c[i] = .2* c[i-1]*c[i];
#pragma omp section
for(i=0; i < n; i++)
b[i] = b[i] * 3;
}//end omp sections
} //end omp parallel

CSC/ECE 506 Spring 2015/37 mr

2015-01-29T02:44:33Z

Mjledfor:

# Example 1
# Example 2
'''Parallelize the code below using loop distribution'''

----

for (i=0; i<n; i++) {
S1: a[i] = b[i-1] * a[i+1];
S2: b[i] = b[i] * 3;
S3: c[i] = .2 * (c[i-1] * c[i]);
}

'''After loop distribution'''

----

<nowiki>
for(i=0; i < n; i++)
S1: a[i] = b[i-1] * a[i+1];
for(i=0; i < n; i++)
S3: c[i] = .2* c[i-1] * c[i];
for(i=0; i < n; i++)
S2: b[i] = b[i] * 3
</nowiki>;

----

'''Now write the parallelized code in openMP using C++'''

----

<nowiki>#pragma omp parallel shared(a,b,c)private(i) {
#pragma omp sections nowait
{
#pragma omp section
for(i=0; i < n; i++)
a[i] = b[i-1] * a[i+1];
#pragma omp section
for(i=0; i<n; i++)
c[i] = .2* c[i-1]*c[i];
#pragma omp section
for(i=0; i < n; i++)
b[i] = b[i] * 3;
}//end omp sections
} //end omp parallel
</nowiki>

CSC/ECE 506 Spring 2015/37 mr

2015-01-29T02:42:48Z

Mjledfor:

# Example 1
# Example 2
'''Parallelize the code below using loop distribution'''

----

for (i=0; i<n; i++) {
S1: a[i] = b[i-1] * a[i+1];
S2: b[i] = b[i] * 3;
S3: c[i] = .2 * (c[i-1] * c[i]);
}

'''After loop distribution'''

----

<nowiki> for(i=0; i < n; i++)
S1: a[i] = b[i-1] * a[i+1];
for(i=0; i < n; i++)
S3: c[i] = .2* c[i-1] * c[i];
for(i=0; i < n; i++)
S2: b[i] = b[i] * 3</nowiki>;

----

'''Now write the parallelized code in openMP using C++'''

----

<nowiki>#pragma omp parallel shared(a,b,c)private(i) {
#pragma omp sections nowait
{
#pragma omp section
for(i=0; i < n; i++)
a[i] = b[i-1] * a[i+1];
#pragma omp section
for(i=0; i<n; i++)
c[i] = .2* c[i-1]*c[i];
#pragma omp section
for(i=0; i < n; i++)
b[i] = b[i] * 3;
}//end omp sections
} //end omp parallel
</nowiki>

CSC/ECE 506 Spring 2015/37 mr

2015-01-29T02:41:50Z

Mjledfor:

# Example 1
# Example 2
'''Parallelize the code below using loop distribution'''

----

for (i=0; i<n; i++) {
S1: a[i] = b[i-1] * a[i+1];
S2: b[i] = b[i] * 3;
S3: c[i] = .2 * (c[i-1] * c[i]);
}

'''After loop distribution'''

----

<nowiki> for(i=0; i < n; i++)
S1: a[i] = b[i-1] * a[i+1];
for(i=0; i < n; i++)
S3: c[i] = .2* c[i-1] * c[i];
for(i=0; i < n; i++)
S2: b[i] = b[i] * 3</nowiki>;

----

'''Now write the parallelized code in openMP using C++'''
<nowiki>#pragma omp parallel shared(a,b,c)private(i) {
#pragma omp sections nowait
{
#pragma omp section
for(i=0; i < n; i++)
a[i] = b[i-1] * a[i+1];
#pragma omp section
for(i=0; i<n; i++)
c[i] = .2* c[i-1]*c[i];
#pragma omp section
for(i=0; i < n; i++)
b[i] = b[i] * 3;
}//end omp sections
} //end omp parallel
</nowiki>

CSC/ECE 506 Spring 2015/37 mr

2015-01-29T02:41:00Z

Mjledfor:

# Example 1
# Example 2
'''Parallelize the code below using loop distribution'''

for (i=0; i<n; i++) {
S1: a[i] = b[i-1] * a[i+1];
S2: b[i] = b[i] * 3;
S3: c[i] = .2 * (c[i-1] * c[i]);
}

'''After loop distribution'''
<nowiki> for(i=0; i < n; i++)
S1: a[i] = b[i-1] * a[i+1];
for(i=0; i < n; i++)
S3: c[i] = .2* c[i-1] * c[i];
for(i=0; i < n; i++)
S2: b[i] = b[i] * 3</nowiki>;

'''Now write the parallelized code in openMP using C++'''
<nowiki>#pragma omp parallel shared(a,b,c)private(i) {
#pragma omp sections nowait
{
#pragma omp section
for(i=0; i < n; i++)
a[i] = b[i-1] * a[i+1];
#pragma omp section
for(i=0; i<n; i++)
c[i] = .2* c[i-1]*c[i];
#pragma omp section
for(i=0; i < n; i++)
b[i] = b[i] * 3;
}//end omp sections
} //end omp parallel
</nowiki>

CSC/ECE 506 Spring 2015/37 mr

2015-01-29T02:39:30Z

Mjledfor:

# Example 1
# Example 2
'''Parallelize the code below using loop distribution'''

for (i=0; i<n; i++) {
S1: a[i] = b[i-1] * a[i+1];
S2: b[i] = b[i] * 3;
S3: c[i] = .2 * (c[i-1] * c[i]);
}

'''After loop distribution'''
for(i=0; i < n; i++)
S1: a[i] = b[i-1] * a[i+1];
for(i=0; i < n; i++)
S3: c[i] = .2* c[i-1] * c[i];
for(i=0; i < n; i++)
S2: b[i] = b[i] * 3;

'''Now write the parallelized code in openMP using C++'''

#pragma omp parallel shared(a,b,c)private(i) {
#pragma omp sections nowait
{
#pragma omp section
for(i=0; i < n; i++)
a[i] = b[i-1] * a[i+1];
#pragma omp section
for(i=0; i<n; i++)
c[i] = .2* c[i-1]*c[i];
#pragma omp section
for(i=0; i < n; i++)
b[i] = b[i] * 3;
}//end omp sections
} //end omp parallel

CSC/ECE 506 Spring 2015/37 mr

2015-01-29T02:38:44Z

Mjledfor:

# Example 1
# Example 2
'''Parallelize the code below using loop distribution'''

for (i=0; i<n; i++) {
S1: a[i] = b[i-1] * a[i+1];
S2: b[i] = b[i] * 3;
S3: c[i] = .2 * (c[i-1] * c[i]);
}

'''After loop distribution'''
for(i=0; i < n; i++)
S1: a[i] = b[i-1] * a[i+1];
for(i=0; i < n; i++)
S3: c[i] = .2* c[i-1] * c[i];
for(i=0; i < n; i++)
S2: b[i] = b[i] * 3;

'''Now write the parallelized code in openMP using C++'''
#pragma omp parallel shared(a,b,c)private(i) {
#pragma omp sections nowait
{
#pragma omp section
for(i=0; i < n; i++)
a[i] = b[i-1] * a[i+1];
#pragma omp section
for(i=0; i<n; i++)
c[i] = .2* c[i-1]*c[i];
#pragma omp section
for(i=0; i < n; i++)
b[i] = b[i] * 3;
}//end omp sections
} //end omp parallel

CSC/ECE 506 Spring 2015/37 mr

2015-01-29T02:37:24Z

Mjledfor:

# Example 1
# Example 2
'''Parallelize the code below using loop distribution'''

for (i=0; i<n; i++) {
S1: a[i] = b[i-1] * a[i+1];
S2: b[i] = b[i] * 3;
S3: c[i] = .2 * (c[i-1] * c[i]);
}

'''After loop distribution'''
for(i=0; i < n; i++)
S1: a[i] = b[i-1] * a[i+1];
for(i=0; i < n; i++)
S3: c[i] = .2* c[i-1] * c[i];
for(i=0; i < n; i++)
S2: b[i] = b[i] * 3;

'''Now write the parallelized code in openMP using C++'''
#pragma omp parallel shared(a,b,c)private(i) {
#pragma omp sections nowait
{
#pragma omp section
for(i=0; i < n; i++)
a[i] = b[i-1] * a[i+1];
#pragma omp section
for(i=0; i<n; i++)
c[i] = .2* c[i-1]*c[i];
#pragma omp section
for(i=0; i < n; i++)
b[i] = b[i] * 3;
}//end omp sections
} //end omp parallel

CSC/ECE 506 Spring 2015/37 mr

2015-01-29T02:36:15Z

Mjledfor:

# Example 1
# Example 2
'''Parallelize the code below using loop distribution'''

for (i=0; i<n; i++) {
S1: a[i] = b[i-1] * a[i+1];
S2: b[i] = b[i] * 3;
S3: c[i] = .2 * (c[i-1] * c[i]);
}

'''After loop distribution'''
for(i=0; i < n; i++)
S1: a[i] = b[i-1] * a[i+1];
for(i=0; i < n; i++)
S3: c[i] = .2* c[i-1] * c[i];
for(i=0; i < n; i++)
S2: b[i] = b[i] * 3;
Now write the parallelized code in openMP using C++
#pragma omp parallel shared(a,b,c)private(i){
#pragma omp sections nowait
{
#pragma omp section
for(i=0; i < n; i++)
a[i] = b[i-1] * a[i+1];

#pragma omp section
for(i=0; i<n; i++)
c[i] = .2* c[i-1]*c[i];

#pragma omp section
for(i=0; i < n; i++)
b[i] = b[i] * 3;
}//end omp sections

} //end omp parallel

CSC/ECE 506 Spring 2015/37 mr

2015-01-29T02:35:49Z

Mjledfor:

# Example 1
# Example 2
'''Parallelize the code below using loop distribution'''

== for (i=0; i<n; i++) { ==

==
S1: a[i] = b[i-1] * a[i+1];
S2: b[i] = b[i] * 3;
S3: c[i] = .2 * (c[i-1] * c[i]);
} ==

'''After loop distribution'''
for(i=0; i < n; i++)
S1: a[i] = b[i-1] * a[i+1];
for(i=0; i < n; i++)
S3: c[i] = .2* c[i-1] * c[i];
for(i=0; i < n; i++)
S2: b[i] = b[i] * 3;
Now write the parallelized code in openMP using C++
#pragma omp parallel shared(a,b,c)private(i){
#pragma omp sections nowait
{
#pragma omp section
for(i=0; i < n; i++)
a[i] = b[i-1] * a[i+1];

#pragma omp section
for(i=0; i<n; i++)
c[i] = .2* c[i-1]*c[i];

#pragma omp section
for(i=0; i < n; i++)
b[i] = b[i] * 3;
}//end omp sections

} //end omp parallel

CSC/ECE 506 Spring 2015/37 mr

2015-01-29T02:35:21Z

Mjledfor:

# Example 1
# Example 2
'''Parallelize the code below using loop distribution'''

== for (i=0; i<n; i++) { ==

S1: a[i] = b[i-1] * a[i+1];
S2: b[i] = b[i] * 3;
S3: c[i] = .2 * (c[i-1] * c[i]);
}
'''After loop distribution'''
for(i=0; i < n; i++)
S1: a[i] = b[i-1] * a[i+1];
for(i=0; i < n; i++)
S3: c[i] = .2* c[i-1] * c[i];
for(i=0; i < n; i++)
S2: b[i] = b[i] * 3;
Now write the parallelized code in openMP using C++
#pragma omp parallel shared(a,b,c)private(i){
#pragma omp sections nowait
{
#pragma omp section
for(i=0; i < n; i++)
a[i] = b[i-1] * a[i+1];

#pragma omp section
for(i=0; i<n; i++)
c[i] = .2* c[i-1]*c[i];

#pragma omp section
for(i=0; i < n; i++)
b[i] = b[i] * 3;
}//end omp sections

} //end omp parallel

CSC/ECE 506 Spring 2015/37 mr

2015-01-29T02:32:49Z

Mjledfor:

# Example 1
# Example 2
Parallelize the code below using loop distribution

for (i=0; i<n; i++) {
S1: a[i] = b[i-1] * a[i+1];
S2: b[i] = b[i] * 3;
S3: c[i] = .2 * (c[i-1] * c[i]);
}
'''After loop distribution'''
for(i=0; i < n; i++)
S1: a[i] = b[i-1] * a[i+1];
for(i=0; i < n; i++)
S3: c[i] = .2* c[i-1] * c[i];
for(i=0; i < n; i++)
S2: b[i] = b[i] * 3;
Now write the parallelized code in openMP using C++
#pragma omp parallel shared(a,b,c)private(i){
#pragma omp sections nowait
{
#pragma omp section
for(i=0; i < n; i++)
a[i] = b[i-1] * a[i+1];

#pragma omp section
for(i=0; i<n; i++)
c[i] = .2* c[i-1]*c[i];

#pragma omp section
for(i=0; i < n; i++)
b[i] = b[i] * 3;
}//end omp sections

} //end omp parallel

CSC/ECE 506 Spring 2015/37 mr

2015-01-29T02:32:23Z

Mjledfor:

# Example 1
# Example 2
Parallelize the code below using loop distribution
for (i=0; i<n; i++) {
S1: a[i] = b[i-1] * a[i+1];
S2: b[i] = b[i] * 3;
S3: c[i] = .2 * (c[i-1] * c[i]);
}
'''After loop distribution'''
for(i=0; i < n; i++)
S1: a[i] = b[i-1] * a[i+1];
for(i=0; i < n; i++)
S3: c[i] = .2* c[i-1] * c[i];
for(i=0; i < n; i++)
S2: b[i] = b[i] * 3;
Now write the parallelized code in openMP using C++
#pragma omp parallel shared(a,b,c)private(i){
#pragma omp sections nowait
{
#pragma omp section
for(i=0; i < n; i++)
a[i] = b[i-1] * a[i+1];

#pragma omp section
for(i=0; i<n; i++)
c[i] = .2* c[i-1]*c[i];

#pragma omp section
for(i=0; i < n; i++)
b[i] = b[i] * 3;
}//end omp sections

} //end omp parallel