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Document the default alignment and padding value.

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This CL documents the default value of the preferred alignment and
padding for request memories.

Bug: 179799921
Test: m
Change-Id: I89c16c3e20939a0ad68d9e3b0061c4a16dc00d8b
Merged-In: I89c16c3e20939a0ad68d9e3b0061c4a16dc00d8b
(cherry picked from commit e6dcc9a38d)
This commit is contained in:
Xusong Wang
2021-03-15 17:09:37 -07:00
parent 5e4453f690
commit 62445b7d5b
1 changed files with 5 additions and 0 deletions
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neuralnetworks/aidl/android/hardware/neuralnetworks/DataLocation.aidl
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@@ -35,6 +35,11 @@ package android.hardware.neuralnetworks;
* total size of the writable region of the output data, and padding specifies the extra bytes at
* the end of the memory region that may be used by the device to access memory in chunks, for
* efficiency, but must not be used to hold any output data.
*
* When used in RequestArgument, clients should prefer to align and pad the sub-region to
* 64 bytes when possible; this may allow the device to access the sub-region more efficiently.
* The sub-region is aligned to 64 bytes if the value of offset is a multiple of 64.
* The sub-region is padded to 64 bytes if the sum of length and padding is a multiple of 64.
*/
@VintfStability
parcelable DataLocation {