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TRACES-public
Vortex
POCL
Commits
5e71ff94
Commit
5e71ff94
authored
2 years ago
by
Michal Babej
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Update documentation
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doc/sphinx/source/level0.rst
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doc/sphinx/source/level0.rst
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@@ -28,7 +28,7 @@ Notable User Facing Changes
however there are still a few missing. For the full
documentation, see doc/sphinx/source/level0.rst.
- Support for cl_intel_unified_shared_memory (only with
the Level Zero driver).
the Level Zero driver
& the CPU drivers
).
- CPU devices now flush printf() output after each call instead of waiting
for the end of the kernel command. This makes it (again) useful for debugging
kernel segfaults.
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@@ -40,7 +40,7 @@ What's implemented (some were not tested)
-------------------------------------------
* buffer read/write/map/unmap
* kernel execution
* image support
(except FillImage)
* image support
* sampler support
* Spec constants
* subgroups
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@@ -64,12 +64,19 @@ Unfinished / non-optimal
Doesnt work / missing
-----------------------
* clEnqueueFillImage
* ZE_MEMORY_ADVICE_SET_READ_MOSTLY optimization
* support for row_pitch/slice_pitch arguments of Image APIs
* ... there are actually two Level0 extension APIs that have the
* row/pitch as arguments, but they return ZE_RESULT_ERROR_UNSUPPORTED_FEATURE
Extra features / tunables
--------------------------
POCL_LEVEL0_JIT env variable can be used to enable JIT compilation (kernels are
compiled when launched instead of clBuildProgram-time). Useful with programs
that have thousands of kernels (e.g. from templated code).
See :ref:`pocl-env-variables` for details.
Known Bugs
-----------
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@@ -238,6 +238,14 @@ pocl.
contains all the intermediate compiler files are left as it is. This
will be handy for debugging
- **POCL_LEVEL0_JIT**
Sets up Just-In-Time compilation of Kernels (at clEnqueueNDRange time) in
the Level0 driver. Accepted values: {0,1,auto}
0 = always disable JIT
1 = always use JIT,
auto (default) = guess based on program's kernel count & SPIR-V size.
- **POCL_MAX_PTHREAD_COUNT**
The maximum number of threads created for work group execution in the
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