From 774c082b9cc54a65e314999655668db554921744 Mon Sep 17 00:00:00 2001 From: "Neil R. Spruit" Date: Fri, 1 Nov 2024 14:10:27 -0700 Subject: [PATCH 1/2] [L0] Add Level Zero Reference Document - Add inital Level Zero Reference document with environment variable definitions. Signed-off-by: Neil R. Spruit --- scripts/core/LEVEL_ZERO.rst | 141 +++++++++++++++++++++++++++++++ scripts/templates/index.rst.mako | 1 + 2 files changed, 142 insertions(+) create mode 100644 scripts/core/LEVEL_ZERO.rst diff --git a/scripts/core/LEVEL_ZERO.rst b/scripts/core/LEVEL_ZERO.rst new file mode 100644 index 0000000000..a2a2a75b6d --- /dev/null +++ b/scripts/core/LEVEL_ZERO.rst @@ -0,0 +1,141 @@ +<% + OneApi=tags['$OneApi'] + x=tags['$x'] + X=x.upper() +%> + +========================== +Level Zero UR Reference Document +========================== + +This document gives general guidelines on differences in the UR L0 adapter for customer usecases. + +Environment Variables +===================== + ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| Environment Variable | Description | Possible Values | ++=============================================+==============================================================+==============================================================+ +| UR_L0_USE_COPY_ENGINE | Controls the use of copy engines. | "0": Copy engines will not be used. | +| | | "1": All available copy engines can be used. | +| | | "lower_index:upper_index": Specifies a range of copy engines | +| | | to be used. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| UR_L0_USE_IMMEDIATE_COMMANDLISTS | Determines the mode of immediate command lists. | "0": Immediate command lists are not used. | +| | | "1": Immediate command lists are used per queue. | +| | | "2": Immediate command lists are used per thread per queue. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| UR_L0_USM_ALLOCATOR_TRACE | Enables tracing for the USM allocator. | "0": Tracing is disabled. | +| | | "1": Tracing is enabled. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| UR_L0_USM_ALLOCATOR | Configures the USM allocator. | Specifies the configuration for the USM allocator. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| UR_L0_DEBUG_BASIC | Enables basic debugging for Level Zero. | "0": Debugging is disabled. | +| | | "1": Debugging is enabled. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| UR_L0_ENABLE_SYSMAN_ENV_DEFAULT | Controls the default SysMan environment initialization. | "1" or unset: Enables SysMan environment initialization. | +| | | "0": Disables SysMan environment initialization. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| UR_L0_ENABLE_ZESINIT_DEFAULT | Controls the default SysMan initialization with zesInit. | "1": Enables SysMan initialization with zesInit. | +| | | "0" or unset: Disables SysMan initialization with zesInit. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| SYCL_ENABLE_PCI | Deprecated and no longer needed. | Any value: Triggers a warning message. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| UR_L0_USE_COPY_ENGINE_FOR_FILL | Controls the use of copy engines for memory fill operations. | "0": Copy engines will not be used for fill operations. | +| | | "1": Copy engines will be used for fill operations. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| UR_L0_DEBUG | Controls the debug level for Level Zero. | "0": No debug information. | +| | | "1": Basic debug information. | +| | | "2": Validation debug information. | +| | | "-1": All debug information. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| UR_L0_LEAKS_DEBUG | Enables debugging for memory leaks. | "0": Memory leaks debugging is disabled. | +| | | "1": Memory leaks debugging is enabled. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| UR_L0_INIT_ALL_DRIVERS | Controls the initialization of all Level Zero drivers. | "0": Only currently used drivers are initialized. | +| | | "1": All drivers on the system are initialized. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| UR_L0_SERIALIZE | Controls serialization of Level Zero calls. | "0": No locking or blocking. | +| | | "1": Locking around each UR_CALL. | +| | | "2": Blocking UR calls where supported. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| UR_L0_QUEUE_SYNCHRONIZE_NON_BLOCKING | Controls non-blocking synchronization of queues. | "0": Non-blocking synchronization is disabled. | +| | | "1": Non-blocking synchronization is enabled. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| UR_L0_OOQ_INTEGRATED_SIGNAL_EVENT | Controls signal events for commands on integrated GPUs. | "0": Signal events are not created. | +| | | "1": Signal events are created. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| UR_L0_TRACK_INDIRECT_ACCESS_MEMORY | Enables tracking of indirect access memory. | "0": Tracking is disabled. | +| | | "1": Tracking is enabled. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| UR_L0_EXPOSE_CSLICE_IN_AFFINITY_PARTITIONING| Controls exposure of CSlice in affinity partitioning. | "0": CSlice is not exposed. | +| | | "1": CSlice is exposed. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| UR_L0_MAX_NUMBER_OF_EVENTS_PER_EVENT_POOL | Sets the maximum number of events per event pool. | Any positive integer: Specifies the maximum number of events | +| | | per event pool. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| UR_L0_COMMANDLISTS_CLEANUP_THRESHOLD | Sets the threshold for command lists cleanup. | Any positive integer: Specifies the threshold for cleanup. | +| | | Negative value: Disables the threshold. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| UR_L0_USE_NATIVE_USM_MEMCPY2D | Controls the use of native USM memcpy2D operations. | "0": Native USM memcpy2D operations are not used. | +| | | "1": Native USM memcpy2D operations are used. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| UR_L0_ENABLE_USM_HOSTPTR_IMPORT | Enables USM host pointer import. | "0": USM host pointer import is disabled. | +| | | "1": USM host pointer import is enabled. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| UR_L0_ENABLE_USM_HOSTPTR_RELEASE | Enables USM host pointer release. | "0": USM host pointer release is disabled. | +| | | "1": USM host pointer release is enabled. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| UR_L0_ENABLE_USM_HOST_UNIFIED_MEMORY | Enables USM host unified memory. | "0": USM host unified memory is disabled. | +| | | "1": USM host unified memory is enabled. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| UR_L0_USE_MULTIPLE_COMMANDLIST_BARRIERS | Controls the use of multiple command lists for barriers. | "0": Multiple command lists are not used. | +| | | "1": Multiple command lists are used. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| UR_L0_IN_ORDER_BARRIER_BY_SIGNAL | Controls if in-order barriers are implemented by signal. | "0": Barriers are implemented by true barrier command. | +| | | "1": Barriers are implemented by signal. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| UR_L0_DISABLE_EVENTS_CACHING | Controls the caching of events in the context. | "0" or unset: Event caching is enabled. | +| | | "1": Event caching is disabled. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| UR_L0_REUSE_DISCARDED_EVENTS | Controls the reuse of uncompleted events in in-order queues. | "0": Reuse of discarded events is disabled. | +| | | "1" or unset: Reuse of discarded events is enabled. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| SYCL_PI_LEVEL_ZERO_FILTER_EVENT_WAIT_LIST | Controls filtering of event wait lists. | "0" or unset: Filtering is disabled. | +| | | "1": Filtering is enabled. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| UR_L0_DEVICE_SCOPE_EVENTS | Controls the scope of device events. | "0": All events are host-visible. | +| | | "1": On-demand host-visible proxy events. | +| | | "2": Last command in batch host-visible. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| UR_L0_USE_COPY_ENGINE_FOR_D2D_COPY | Controls the use of copy engines for device-to-device copy | "0": Copy engines will not be used for D2D copy operations. | +| | operations. | "1": Copy engines will be used for D2D copy operations. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| UR_L0_BATCH_SIZE | Controls the batch size for command lists. | "0": Dynamic batch size adjustment. | +| | | Any positive integer: Specifies the fixed batch size. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| UR_L0_COPY_BATCH_SIZE | Controls the batch size for copy command lists. | "0": Dynamic batch size adjustment. | +| | | Any positive integer: Specifies the fixed batch size. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| UR_L0_IMMEDIATE_COMMANDLISTS_BATCH_MAX | Sets the maximum number of immediate command lists batches. | Any positive integer: Specifies the maximum number of batches| ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +|UR_L0_IMMEDIATE_COMMANDLISTS_EVENTS_PER_BATCH| Sets the number of events per batch for immediate command | Any positive integer: Specifies the number of events per | +| | lists. | batch. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| UR_L0_USE_COMPUTE_ENGINE | Controls the use of compute engines. | "0": Only the first compute engine is used. | +| | | Any positive integer: Specifies the index of the compute | +| | | engine to be used. | +| | | Negative value: All available compute engines may be used. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| UR_L0_USM_RESIDENT | Controls memory residency for USM allocations. | "0xHSD": Specifies residency for host, shared, and device | +| | | allocations. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ +| UR_L0_DISABLE_USM_ALLOCATOR | Controls the use of the USM allocator. | "0": USM allocator is enabled. | +| | | Any other value: USM allocator is disabled. | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ + +Contributors +------------ + +* Neil Spruit `neil.r.spruit@intel.com `_ + diff --git a/scripts/templates/index.rst.mako b/scripts/templates/index.rst.mako index 1d5ba6a9b0..d1884bdf1b 100644 --- a/scripts/templates/index.rst.mako +++ b/scripts/templates/index.rst.mako @@ -16,5 +16,6 @@ core/CONTRIB.rst core/CUDA.rst core/HIP.rst + core/LEVEL_ZERO.rst exp-features.rst api.rst From e97b1c07ad8a59f605b38637efbc626253957f17 Mon Sep 17 00:00:00 2001 From: "Neil R. Spruit" Date: Fri, 1 Nov 2024 15:08:13 -0700 Subject: [PATCH 2/2] [L0] Add missing Device envs Signed-off-by: Neil R. Spruit --- scripts/core/LEVEL_ZERO.rst | 249 ++++++++++++++++++------------------ 1 file changed, 127 insertions(+), 122 deletions(-) diff --git a/scripts/core/LEVEL_ZERO.rst b/scripts/core/LEVEL_ZERO.rst index a2a2a75b6d..e2ab18a0ea 100644 --- a/scripts/core/LEVEL_ZERO.rst +++ b/scripts/core/LEVEL_ZERO.rst @@ -13,129 +13,134 @@ This document gives general guidelines on differences in the UR L0 adapter for c Environment Variables ===================== -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| Environment Variable | Description | Possible Values | -+=============================================+==============================================================+==============================================================+ -| UR_L0_USE_COPY_ENGINE | Controls the use of copy engines. | "0": Copy engines will not be used. | -| | | "1": All available copy engines can be used. | -| | | "lower_index:upper_index": Specifies a range of copy engines | -| | | to be used. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| UR_L0_USE_IMMEDIATE_COMMANDLISTS | Determines the mode of immediate command lists. | "0": Immediate command lists are not used. | -| | | "1": Immediate command lists are used per queue. | -| | | "2": Immediate command lists are used per thread per queue. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| UR_L0_USM_ALLOCATOR_TRACE | Enables tracing for the USM allocator. | "0": Tracing is disabled. | -| | | "1": Tracing is enabled. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| UR_L0_USM_ALLOCATOR | Configures the USM allocator. | Specifies the configuration for the USM allocator. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| UR_L0_DEBUG_BASIC | Enables basic debugging for Level Zero. | "0": Debugging is disabled. | -| | | "1": Debugging is enabled. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| UR_L0_ENABLE_SYSMAN_ENV_DEFAULT | Controls the default SysMan environment initialization. | "1" or unset: Enables SysMan environment initialization. | -| | | "0": Disables SysMan environment initialization. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| UR_L0_ENABLE_ZESINIT_DEFAULT | Controls the default SysMan initialization with zesInit. | "1": Enables SysMan initialization with zesInit. | -| | | "0" or unset: Disables SysMan initialization with zesInit. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| SYCL_ENABLE_PCI | Deprecated and no longer needed. | Any value: Triggers a warning message. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| UR_L0_USE_COPY_ENGINE_FOR_FILL | Controls the use of copy engines for memory fill operations. | "0": Copy engines will not be used for fill operations. | -| | | "1": Copy engines will be used for fill operations. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| UR_L0_DEBUG | Controls the debug level for Level Zero. | "0": No debug information. | -| | | "1": Basic debug information. | -| | | "2": Validation debug information. | -| | | "-1": All debug information. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| UR_L0_LEAKS_DEBUG | Enables debugging for memory leaks. | "0": Memory leaks debugging is disabled. | -| | | "1": Memory leaks debugging is enabled. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| UR_L0_INIT_ALL_DRIVERS | Controls the initialization of all Level Zero drivers. | "0": Only currently used drivers are initialized. | -| | | "1": All drivers on the system are initialized. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| UR_L0_SERIALIZE | Controls serialization of Level Zero calls. | "0": No locking or blocking. | -| | | "1": Locking around each UR_CALL. | -| | | "2": Blocking UR calls where supported. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| UR_L0_QUEUE_SYNCHRONIZE_NON_BLOCKING | Controls non-blocking synchronization of queues. | "0": Non-blocking synchronization is disabled. | -| | | "1": Non-blocking synchronization is enabled. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| UR_L0_OOQ_INTEGRATED_SIGNAL_EVENT | Controls signal events for commands on integrated GPUs. | "0": Signal events are not created. | -| | | "1": Signal events are created. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| UR_L0_TRACK_INDIRECT_ACCESS_MEMORY | Enables tracking of indirect access memory. | "0": Tracking is disabled. | -| | | "1": Tracking is enabled. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| UR_L0_EXPOSE_CSLICE_IN_AFFINITY_PARTITIONING| Controls exposure of CSlice in affinity partitioning. | "0": CSlice is not exposed. | -| | | "1": CSlice is exposed. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| UR_L0_MAX_NUMBER_OF_EVENTS_PER_EVENT_POOL | Sets the maximum number of events per event pool. | Any positive integer: Specifies the maximum number of events | -| | | per event pool. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| UR_L0_COMMANDLISTS_CLEANUP_THRESHOLD | Sets the threshold for command lists cleanup. | Any positive integer: Specifies the threshold for cleanup. | -| | | Negative value: Disables the threshold. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| UR_L0_USE_NATIVE_USM_MEMCPY2D | Controls the use of native USM memcpy2D operations. | "0": Native USM memcpy2D operations are not used. | -| | | "1": Native USM memcpy2D operations are used. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| UR_L0_ENABLE_USM_HOSTPTR_IMPORT | Enables USM host pointer import. | "0": USM host pointer import is disabled. | -| | | "1": USM host pointer import is enabled. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| UR_L0_ENABLE_USM_HOSTPTR_RELEASE | Enables USM host pointer release. | "0": USM host pointer release is disabled. | -| | | "1": USM host pointer release is enabled. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| UR_L0_ENABLE_USM_HOST_UNIFIED_MEMORY | Enables USM host unified memory. | "0": USM host unified memory is disabled. | -| | | "1": USM host unified memory is enabled. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| UR_L0_USE_MULTIPLE_COMMANDLIST_BARRIERS | Controls the use of multiple command lists for barriers. | "0": Multiple command lists are not used. | -| | | "1": Multiple command lists are used. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| UR_L0_IN_ORDER_BARRIER_BY_SIGNAL | Controls if in-order barriers are implemented by signal. | "0": Barriers are implemented by true barrier command. | -| | | "1": Barriers are implemented by signal. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| UR_L0_DISABLE_EVENTS_CACHING | Controls the caching of events in the context. | "0" or unset: Event caching is enabled. | -| | | "1": Event caching is disabled. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| UR_L0_REUSE_DISCARDED_EVENTS | Controls the reuse of uncompleted events in in-order queues. | "0": Reuse of discarded events is disabled. | -| | | "1" or unset: Reuse of discarded events is enabled. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| SYCL_PI_LEVEL_ZERO_FILTER_EVENT_WAIT_LIST | Controls filtering of event wait lists. | "0" or unset: Filtering is disabled. | -| | | "1": Filtering is enabled. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| UR_L0_DEVICE_SCOPE_EVENTS | Controls the scope of device events. | "0": All events are host-visible. | -| | | "1": On-demand host-visible proxy events. | -| | | "2": Last command in batch host-visible. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| UR_L0_USE_COPY_ENGINE_FOR_D2D_COPY | Controls the use of copy engines for device-to-device copy | "0": Copy engines will not be used for D2D copy operations. | -| | operations. | "1": Copy engines will be used for D2D copy operations. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| UR_L0_BATCH_SIZE | Controls the batch size for command lists. | "0": Dynamic batch size adjustment. | -| | | Any positive integer: Specifies the fixed batch size. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| UR_L0_COPY_BATCH_SIZE | Controls the batch size for copy command lists. | "0": Dynamic batch size adjustment. | -| | | Any positive integer: Specifies the fixed batch size. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| UR_L0_IMMEDIATE_COMMANDLISTS_BATCH_MAX | Sets the maximum number of immediate command lists batches. | Any positive integer: Specifies the maximum number of batches| -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -|UR_L0_IMMEDIATE_COMMANDLISTS_EVENTS_PER_BATCH| Sets the number of events per batch for immediate command | Any positive integer: Specifies the number of events per | -| | lists. | batch. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| UR_L0_USE_COMPUTE_ENGINE | Controls the use of compute engines. | "0": Only the first compute engine is used. | -| | | Any positive integer: Specifies the index of the compute | -| | | engine to be used. | -| | | Negative value: All available compute engines may be used. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| UR_L0_USM_RESIDENT | Controls memory residency for USM allocations. | "0xHSD": Specifies residency for host, shared, and device | -| | | allocations. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ -| UR_L0_DISABLE_USM_ALLOCATOR | Controls the use of the USM allocator. | "0": USM allocator is enabled. | -| | | Any other value: USM allocator is disabled. | -+---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+ ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| Environment Variable | Description | Possible Values | Default Value | ++=============================================+==============================================================+==============================================================+==================+ +| UR_L0_USE_COPY_ENGINE | Controls the use of copy engines. | "0": Copy engines will not be used. | "1" | +| | | "1": All available copy engines can be used. | | +| | | "lower_index:upper_index": Specifies a range of copy engines | | +| | | to be used. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| UR_L0_USE_IMMEDIATE_COMMANDLISTS | Determines the mode of immediate command lists. | "0": Immediate command lists are not used. | "0" | +| | | "1": Immediate command lists are used per queue. | | +| | | "2": Immediate command lists are used per thread per queue. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| UR_L0_USE_RELAXED_ALLOCATION_LIMITS | Controls the use of relaxed allocation limits. | "0": Relaxed allocation limits are not used. | "0" | +| | | "1": Relaxed allocation limits are used. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| UR_L0_USE_DRIVER_IN_ORDER_LISTS | Controls the use of in-order lists from the driver. | "0": In-order lists from the driver are not used. | "0" | +| | | "1": In-order lists from the driver are used. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| UR_L0_USM_ALLOCATOR_TRACE | Enables tracing for the USM allocator. | "0": Tracing is disabled. | "0" | +| | | "1": Tracing is enabled. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| UR_L0_USM_ALLOCATOR | Configures the USM allocator. | Specifies the configuration for the USM allocator. | All Configs | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| UR_L0_DEBUG_BASIC | Enables basic debugging for Level Zero. | "0": Debugging is disabled. | "0" | +| | | "1": Debugging is enabled. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| UR_L0_ENABLE_SYSMAN_ENV_DEFAULT | Controls the default SysMan environment initialization. | "1" or unset: Enables SysMan environment initialization. | "1" | +| | | "0": Disables SysMan environment initialization. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| UR_L0_ENABLE_ZESINIT_DEFAULT | Controls the default SysMan initialization with zesInit. | "1": Enables SysMan initialization with zesInit. | "0" | +| | | "0" or unset: Disables SysMan initialization with zesInit. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| SYCL_ENABLE_PCI | Deprecated and no longer needed. | Any value: Triggers a warning message. | None | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| UR_L0_USE_COPY_ENGINE_FOR_FILL | Controls the use of copy engines for memory fill operations. | "0": Copy engines will not be used for fill operations. | "0" | +| | | "1": Copy engines will be used for fill operations. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| UR_L0_DEBUG | Controls the debug level for Level Zero. | "0": No debug information. | "0" | +| | | "1": Basic debug information. | | +| | | "2": Validation debug information. | | +| | | "-1": All debug information. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| UR_L0_LEAKS_DEBUG | Enables debugging for memory leaks. | "0": Memory leaks debugging is disabled. | "0" | +| | | "1": Memory leaks debugging is enabled. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| UR_L0_INIT_ALL_DRIVERS | Controls the initialization of all Level Zero drivers. | "0": Only currently used drivers are initialized. | "0" | +| | | "1": All drivers on the system are initialized. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| UR_L0_SERIALIZE | Controls serialization of Level Zero calls. | "0": No locking or blocking. | "0" | +| | | "1": Locking around each UR_CALL. | | +| | | "2": Blocking UR calls where supported. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| UR_L0_QUEUE_SYNCHRONIZE_NON_BLOCKING | Controls non-blocking synchronization of queues. | "0": Non-blocking synchronization is disabled. | "0" | +| | | "1": Non-blocking synchronization is enabled. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| UR_L0_OOQ_INTEGRATED_SIGNAL_EVENT | Controls signal events for commands on integrated GPUs. | "0": Signal events are not created. | "0" | +| | | "1": Signal events are created. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| UR_L0_TRACK_INDIRECT_ACCESS_MEMORY | Enables tracking of indirect access memory. | "0": Tracking is disabled. | "0" | +| | | "1": Tracking is enabled. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| UR_L0_EXPOSE_CSLICE_IN_AFFINITY_PARTITIONING| Controls exposure of CSlice in affinity partitioning. | "0": CSlice is not exposed. | "0" | +| | | "1": CSlice is exposed. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| UR_L0_MAX_NUMBER_OF_EVENTS_PER_EVENT_POOL | Sets the maximum number of events per event pool. | Any positive integer: Specifies the maximum number of events | 256 | +| | | per event pool. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| UR_L0_COMMANDLISTS_CLEANUP_THRESHOLD | Sets the threshold for command lists cleanup. | Any positive integer: Specifies the threshold for cleanup. | 20 | +| | | Negative value: Disables the threshold. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| UR_L0_USE_NATIVE_USM_MEMCPY2D | Controls the use of native USM memcpy2D operations. | "0": Native USM memcpy2D operations are not used. | "0" | +| | | "1": Native USM memcpy2D operations are used. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| UR_L0_ENABLE_USM_HOSTPTR_IMPORT | Enables USM host pointer import. | "0": USM host pointer import is disabled. | "0" | +| | | "1": USM host pointer import is enabled. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| UR_L0_ENABLE_USM_HOSTPTR_RELEASE | Enables USM host pointer release. | "0": USM host pointer release is disabled. | "0" | +| | | "1": USM host pointer release is enabled. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| UR_L0_ENABLE_USM_HOST_UNIFIED_MEMORY | Enables USM host unified memory. | "0": USM host unified memory is disabled. | "0" | +| | | "1": USM host unified memory is enabled. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| UR_L0_USE_MULTIPLE_COMMANDLIST_BARRIERS | Controls the use of multiple command lists for barriers. | "0": Multiple command lists are not used. | "0" | +| | | "1": Multiple command lists are used. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| UR_L0_IN_ORDER_BARRIER_BY_SIGNAL | Controls if in-order barriers are implemented by signal. | "0": Barriers are implemented by true barrier command. | "0" | +| | | "1": Barriers are implemented by signal. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| UR_L0_DISABLE_EVENTS_CACHING | Controls the caching of events in the context. | "0" or unset: Event caching is enabled. | "0" | +| | | "1": Event caching is disabled. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| UR_L0_REUSE_DISCARDED_EVENTS | Controls the reuse of uncompleted events in in-order queues. | "0": Reuse of discarded events is disabled. | "1" | +| | | "1" or unset: Reuse of discarded events is enabled. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| SYCL_PI_LEVEL_ZERO_FILTER_EVENT_WAIT_LIST | Controls filtering of event wait lists. | "0" or unset: Filtering is disabled. | "0" | +| | | "1": Filtering is enabled. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| UR_L0_DEVICE_SCOPE_EVENTS | Controls the scope of device events. | "0": All events are host-visible. | "0" | +| | | "1": On-demand host-visible proxy events. | | +| | | "2": Last command in batch host-visible. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| UR_L0_USE_COPY_ENGINE_FOR_D2D_COPY | Controls the use of copy engines for device-to-device copy | "0": Copy engines will not be used for D2D copy operations. | "0" | +| | operations. | "1": Copy engines will be used for D2D copy operations. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| UR_L0_BATCH_SIZE | Controls the batch size for command lists. | "0": Dynamic batch size adjustment. | "0" | +| | | Any positive integer: Specifies the fixed batch size. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| UR_L0_COPY_BATCH_SIZE | Controls the batch size for copy command lists. | "0": Dynamic batch size adjustment. | "0" | +| | | Any positive integer: Specifies the fixed batch size. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| UR_L0_IMMEDIATE_COMMANDLISTS_BATCH_MAX | Sets the maximum number of immediate command lists batches. | Any positive integer: Specifies the maximum number of batches| 10 | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +|UR_L0_IMMEDIATE_COMMANDLISTS_EVENTS_PER_BATCH| Sets the number of events per batch for immediate command | Any positive integer: Specifies the number of events per | 256 | +| | lists. | batch. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| UR_L0_USE_COMPUTE_ENGINE | Controls the use of compute engines. | "0": Only the first compute engine is used. | "0" | +| | | Any positive integer: Specifies the index of the compute | | +| | | engine to be used. | | +| | | Negative value: All available compute engines may be used. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| UR_L0_USM_RESIDENT | Controls memory residency for USM allocations. | "0xHSD": Specifies residency for host, shared, and device | 0x2 | +| | | allocations. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ +| 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. | | ++---------------------------------------------+--------------------------------------------------------------+--------------------------------------------------------------+------------------+ Contributors ------------ -* Neil Spruit `neil.r.spruit@intel.com `_ - +* Neil Spruit `neil.r.spruit@intel.com `_ \ No newline at end of file