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HPX support #473

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HPX support #473

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ct-clmsn
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@ct-clmsn ct-clmsn commented Jan 23, 2024

This PR finalizes work started last year that adds HPX runtime system support to Embree. HPX is an asynchronous many task runtime system implementing ISO C++ STL's data parallelism and concurrency API. HPX is implemented over a user-land thread implementation and tends to yield good strong and weak scaling performance.

ctaylor and others added 30 commits April 7, 2023 08:58
- Increase test timeout of bvh_builder test
- always disable SSE2 for imgui
* removed 'perf' tag from A770

* more precise wildcards
- separate cpack test component
 - new ADD_EMBREE_TEST cmake macro
 - moved reference image directly beside test definition files
 - updated package scripts
This follows the same method that Cycles uses to ignore backfacing
sphere intersections.
* Moved sphere backface culling documentation to the right place
svenwoop and others added 22 commits January 22, 2024 22:19
* coverity test
* fixing coverity issues
* disable klockwork
The decision is not finalized yet, which folder layout the new ICX
release will have. We now add both versions and hope for the best.
* use syclos 20230922 for release
* use proper public driver on Windows
* update ispc to 1.21.0
* update TBB to 2021.10.0
* update ICX RK to 20230926
@ct-clmsn ct-clmsn changed the title HPX support for embree HPX support Jan 23, 2024
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ct-clmsn commented Jan 24, 2024

Updated readme and licenses where appropriate; the support was developed on a Mac M2 environment and an x86 environment.

@jenetscaria-mcw
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@ct-clmsn , we tried to run embree pathtracer example with hpx in an x64 system. We have installed hpx from the source and tried configuring HPX with -DHPX_WITH_MALLOC option with tcmalloc, jemalloc and system but we are facing errors as:

hpx::init: std::exception caught: Requested more than 64 --hpx:threads to use for this application, use the option -DHPX_WITH_MAX_COUNT_CPU_COUNT=<N> when configuring HPX.
Error: std::bad_alloc

We have tried modifying DHPX_WITH_MAX_COUNT_CPU_COUNT option and always ending up at the same error. Have you faced this issue before?

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9 participants