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| author | Kevin May <kevin.may@arm.com> | 2019-05-20 15:44:37 +0100 |
|---|---|---|
| committer | Kevin May <kevin.may@arm.com> | 2019-05-21 12:30:34 +0100 |
| commit | ef08a1179a707f4d93616403c2c6e0d143f71351 (patch) | |
| tree | d5ec836f1074e3fd0ccd8782c3ef9d590c8f5223 | |
| parent | 52aa9351899e2a151ffd13ac24781f3133a7a970 (diff) | |
| download | android-nn-driver-ef08a1179a707f4d93616403c2c6e0d143f71351.tar.gz | |
IVGCVSW-3127 Add Documentation for NN-Driver Android Q
* Update README file
!android-nn-driver:1139
Signed-off-by: Kevin May <kevin.may@arm.com>
Change-Id: Iee296fc1f45b70f376e0a3f03bfdeec13e552e25
| -rw-r--r-- | README.md | 25 |
1 files changed, 20 insertions, 5 deletions
@@ -11,6 +11,8 @@ For more information about supported operations and configurations, see NnapiSup 1. Android source tree for Android O MR1 or later, in the directory `<ANDROID_ROOT>` 2. Mali OpenCL driver integrated into the Android source tree +Please Note: ArmNN Neural Networks driver does not currently support Mali OpenCL driver for Android Q. + ### Procedure 1. Place this source directory at `<ANDROID_ROOT>/vendor/arm/android-nn-driver` @@ -21,17 +23,24 @@ To update the build environment, add to the contents of the variable `PRODUCT_PA within the device-specific makefile that is located in the `<ANDROID_ROOT>/device/<manufacturer>/<product>` directory. This file is normally called `device.mk`: -For Android O or Android P, using NN API version (1.0), the following should be added to `device.mk`: +For Android O, P or Q, using NN API version (1.0), the following should be added to `device.mk`: <pre> PRODUCT_PACKAGES += android.hardware.neuralnetworks@1.0-service-armnn </pre> -For Android P, a new version of the NN API is available (1.1), + +For Android P or Q, a new version of the NN API is available (1.1), thus the following should be added to `device.mk` instead: <pre> PRODUCT_PACKAGES += android.hardware.neuralnetworks@1.1-service-armnn </pre> `Android.mk` contains the module definition of both versions of the ArmNN driver. -For Android P the vendor manifest.xml requires the Neural Network HAL information. +Similarly, the Neon or CL backend can be enabled/disabled by setting ARMNN_COMPUTE_CL_ENABLE or +ARMNN_COMPUTE_NEON_ENABLE in `device.mk`: +<pre> +ARMNN_COMPUTE_CL_ENABLE := 1 +</pre> + +For Android P and Android Q the vendor manifest.xml requires the Neural Network HAL information. ```xml <hal format="hidl"> <name>android.hardware.neuralnetworks</name> @@ -48,12 +57,18 @@ For Android P the vendor manifest.xml requires the Neural Network HAL informatio 4. Build Android as normal, i.e. run `make` in `<ANDROID_ROOT>` 5. To confirm that the ArmNN driver has been built, check for driver service executable at +Android O and Android P <pre> -<ANDROID_ROOT>/out/target/product/<product>system/vendor/bin/hw +<ANDROID_ROOT>/out/target/product/<product>/system/vendor/bin/hw </pre> For example, if the ArmNN driver has been built with the NN API 1.0, check for the following file: <pre> -<ANDROID_ROOT>/out/target/product/<product>system/vendor/bin/hw/android.hardware.neuralnetworks@1.0-service-armnn +<ANDROID_ROOT>/out/target/product/<product>/system/vendor/bin/hw/android.hardware.neuralnetworks@1.0-service-armnn +</pre> + +Android Q has a different path: +<pre> +<ANDROID_ROOT>/out/target/product/<product>/vendor/bin/hw </pre> Please Note: Android O is only compatible with NN API version 1.0. |