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Document new environment variable
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@fabiomestre
fabiomestre committed Nov 14, 2024
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11 changes: 9 additions & 2 deletions scripts/core/LEVEL_ZERO.rst
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Expand Up @@ -139,8 +139,15 @@ Environment Variables
| UR_L0_DISABLE_USM_ALLOCATOR | Controls the use of the USM allocator. | "0": USM allocator is enabled. | "0" |
| | | Any other value: USM allocator is disabled. | |
+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+

| UR_L0_CMD_BUFFER_USE_IMMEDIATE_APPEND_PATH | Controls which command-buffer implementation path is used. | "1": the immediate append path will always be enabled as | Unset |
| | The paths rely on different APIs to enqueue command-buffers: | long as the pre-requisites are met. | |
| | - The immediate append path relies on | "0": the immediate append path will always be disabled. | |
| | zeCommandListImmediateAppendCommandListsExp(). | "unset": The default behaviour will be used which enables | |
| | - The wait-event path relies on | the immediate append path only for some devices when the | |
| | zeCommandQueueExecuteCommandLists() | pre-requisites are met. | |
+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+
Contributors
------------

* Neil Spruit `[email protected] <[email protected]>`_
* Neil Spruit `[email protected] <[email protected]>`_
* Fábio Mestre `[email protected] <[email protected]>`_

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