problem using <execution> on linux

[Ian_Chivers]

I have a problem using <execution> on Linux.

Here is the Linux compile

icpc -O3 -parallel -fopenmp -std=c++20 -xhost ch3804.cxx -o ch3804.out
ch3804.cxx(1): catastrophic error: cannot open source file "execution"
#include <execution>

compilation aborted for ch3804.cxx (code 4)

The same program compiles and runs to completion on Windows.

Here are the first few lines of the code.

#include <execution>
#include <iostream>
#include <algorithm>
#include <array>
#include <random>
#include <string>
#include <chrono>

using namespace std;

I tried googling but could not find anything useful.

I tried attaching the complete program but got this message.

The attachment's ch3804.cxx content type (text/plain) does not match its file extension and has been removed.

Any thoughts?

I've written some examples to compare user sorting, with stl serial sorting and stl parallel sorting.

[PrasanthD_intel · Accepted solution]

Hi Ian,

You are getting an error since <execution> is currently only available on msvc. Intel c++ compilers havent implemented <execution>.

But intel does offer its own implementation for parallelism which is DPC++. If you are interested, please refer Data Parallel C++ Documentation — oneAPI DPC++ Compiler documentation (intel.github.io) for getting started with dpc++.

Regards

Prasanth

[Ian_Chivers]

Thanks for getting back. I'll have a look at the documentation.

[PrasanthD_intel]

Hi Ian,

Thanks for marking the reply as the solution.

Let us know if we can close this thread.

Regards

Prasanth

[Ian_Chivers]

Yes, fine to close it.

[PrasanthD_intel]

Hi Ian,

Thanks for the confirmation.

As the issue has been resolved and we will no longer respond to this thread. If you require additional assistance from Intel, please start a new thread. Any further interaction in this thread will be considered community only

Regards

Prasanth