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[oneapi] documentation updates #271

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Oct 18, 2023
Merged

[oneapi] documentation updates #271

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[oneapi] documentatin updates
abagusetty Oct 11, 2023
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Merge branch 'main' into oneapi-updates
felker Oct 16, 2023
e47b143
Merge branch 'main' into oneapi-updates
abagusetty Oct 18, 2023
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17 changes: 15 additions & 2 deletions docs/polaris/compiling-and-linking/oneapi-compiler.md
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Expand Up @@ -7,7 +7,15 @@ Two oneAPI variants are provided, the first being a "release" version based on I

!!! note

The 2023.2.0 release of oneAPI Toolkit does not yet support oneMKL or oneDPL on Nvidia devices.
The 2023.2.1 release of oneAPI Toolkit does not yet support oneDPL on Nvidia devices. Though oneMKL is now added to 2023.2.1 release onwards

## Components
- These are the list of components associated with this module

| User Application | Component |
|-------------------|---------------------------------------------------------|
| Compilers | [DPC++](https://codeplay.com/portal/blogs/2023/07/13/oneapi-2023-2-release.html) |
| oneMKL Interfaces | [oneMKL](https://github.com/oneapi-src/oneMKL) |

The other variant being a build from the open-source. This variant will be more up-to-date at the risk of bugs and breakages based on code that has not undergone a full release cycle.
The documentation is located on the [SYCL](../programming-models/sycl-polaris.md) page. Most notable differences being, `icx/icpx` are the names of C/C++ compilers respectively when using the release version of the module where as `clang/clang++` are for open-source variant.
Expand All @@ -23,12 +31,17 @@ icpx -std=c++17 -fsycl -fsycl-targets=nvptx64-nvidia-cuda -Xsycl-target-backend
```

```
harms@polaris-login-04:~/working/polaris/oneapi> icpx --version
harms@polaris-login-04:~/working/polaris/oneapi> icpx -v
Intel(R) oneAPI DPC++/C++ Compiler 2023.2.0 (2023.2.0.20230721)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /soft/compilers/oneapi/release/2023.2/compiler/2023.2.1/linux/bin-llvm
Configuration file: /soft/compilers/oneapi/release/2023.2/compiler/2023.2.1/linux/bin-llvm/../bin/icpx.cfg
Found candidate GCC installation: /usr/lib64/gcc/x86_64-suse-linux/7
Selected GCC installation: /usr/lib64/gcc/x86_64-suse-linux/7
Candidate multilib: .;@m64
Selected multilib: .;@m64
Found CUDA installation: /opt/nvidia/hpc_sdk/Linux_x86_64/21.9/cuda/11.4, version 11.4
```

## Running
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6 changes: 3 additions & 3 deletions docs/polaris/programming-models/sycl-polaris.md
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Expand Up @@ -7,7 +7,7 @@
- ALCF Tutorial: [https://github.com/argonne-lcf/sycltrain](https://github.com/argonne-lcf/sycltrain)

```
module load oneapi
module load oneapi/upstream
```

!!! note
Expand All @@ -19,7 +19,7 @@ This module (compilers, libraries) gets built periodically from the latest open-

| User Application | Component |
|-------------------|---------------------------------------------------------|
| Compilers | [DPC++](https://docs.nvidia.com/cuda/cublas/index.html) |
| Compilers | [DPC++](https://github.com/intel/llvm) |
| oneMKL Interfaces | [oneMKL](https://github.com/oneapi-src/oneMKL) |
| oneDPL | [oneDPL](https://github.com/oneapi-src/onedpl) |
| SYCLomatic/DPCT | [dpct](https://github.com/oneapi-src/syclomatic) |
Expand Down Expand Up @@ -255,7 +255,7 @@ int main() {

// Resultant matrix: C_onemkl
sycl::queue q(sycl::property_list{sycl::property::queue::in_order{}});
std::cout << "Device: " << q.get_device().get_info<info::device::name>() << std::endl << std::endl;
std::cout << "Device: " << q.get_device().get_info<sycl::info::device::name>() << std::endl << std::endl;

double* A_dev = sycl::malloc_device<double>(M*N, q);
double* B_dev = sycl::malloc_device<double>(N*P, q);
Expand Down