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platform: Clarify behavior for ATOMIC_SCOPE_ALL_DEVICES #1129 #1171

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merged 3 commits into from
Sep 12, 2024
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platform: Clarify behavior for ATOMIC_SCOPE_ALL_DEVICES #1129 #1171

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platform: Clarify behavior for ATOMIC_SCOPE_ALL_DEVICES
lakshmih Sep 9, 2024
eb753c0
Adjusted table widths to prevent overflow beyond a page
lakshmih Sep 9, 2024
f26c90f
Update api/opencl_platform_layer.asciidoc
lakshmih Sep 10, 2024
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5 changes: 4 additions & 1 deletion api/opencl_platform_layer.asciidoc
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Original file line number Diff line number Diff line change
Expand Up @@ -473,7 +473,7 @@ device except for the following queries:

[[device-queries-table]]
.List of supported param_names by {clGetDeviceInfo}
[width="100%",cols="<33%,<17%,<50%",options="header"]
[width="100%",cols="<28%,<15%,<57%",options="header"]
|====
| Device Info | Return Type | Description
| {CL_DEVICE_TYPE_anchor}
Expand Down Expand Up @@ -1606,6 +1606,9 @@ include::{generated}/api/version-notes/CL_DEVICE_ATOMIC_MEMORY_CAPABILITIES.asci
{CL_DEVICE_ATOMIC_ORDER_RELAXED} \| +
{CL_DEVICE_ATOMIC_SCOPE_WORK_GROUP}

A device that does not support CL_DEVICE_SVM_ATOMICS (and hence does not support CL_MEM_SVM_ATOMICS) may still support CL_DEVICE_ATOMIC_SCOPE_ALL_DEVICES. On these devices, an atomic operation with
memory_scope_all_svm_devices will behave the same as if the scope were memory_scope_device - refer to <<memory-consistency-model, memory consistency model>>
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| {CL_DEVICE_ATOMIC_FENCE_CAPABILITIES_anchor}

include::{generated}/api/version-notes/CL_DEVICE_ATOMIC_FENCE_CAPABILITIES.asciidoc[]
Expand Down