On 3/22/2010 7:46 PM, Rayne wrote:
Hi all,
I'm interested in knowing how GCC differs from Intel's ICC in terms of the
optimization levels and catering to specific processor architecture. I'm using
GCC 4.1.2 20070626 and ICC v11.1 for Linux.
How does ICC's optimization levels (O1 to O3) differ
Hi all,
I'm interested in knowing how GCC differs from Intel's ICC in terms of the
optimization levels and catering to specific processor architecture. I'm using
GCC 4.1.2 20070626 and ICC v11.1 for Linux.
How does ICC's optimization levels (O1 to O3) differ from GCC, if they differ
at all?
T
On Wed, May 21, 2008 at 11:21:27AM +0100, Ed Brambley wrote:
> As I understand it (which is not necessarily correct), your code is slightly
> incorrect, since variable are by default shared between parallel sections.
> Therefore, the "int i" is shared between threads, and hence the erratic
> result
Dear Diego,
As I understand it (which is not necessarily correct), your code is slightly
incorrect, since variable are by default shared between parallel sections.
Therefore, the "int i" is shared between threads, and hence the erratic
results if both loops execute at the same time. To fix it, yo
diego sandoval wrote:
Hi everybody,
I just started working with openMP, i installed first gcc-4.2.3 and
then gcc-4.3.0, both of them having support for openMP.
I tried a code to calculate the product \pi*\e. When i compile the
code with gcc (both 4.2.3 and 4.3.0) withtout -fopenmp the resul
Hi everybody,
I just started working with openMP, i installed first gcc-4.2.3 and
then gcc-4.3.0, both of them having support for openMP.
I tried a code to calculate the product \pi*\e. When i compile the
code with gcc (both 4.2.3 and 4.3.0) withtout -fopenmp the result is
correct. When i try
