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-rw-r--r--22.08.json66
-rw-r--r--22.11.json71
-rw-r--r--23.02.json70
-rw-r--r--23.05.json81
-rw-r--r--23.08.json81
-rw-r--r--23.11.json76
-rw-r--r--24.02.json76
-rw-r--r--README.md78
-rw-r--r--externals.json30
-rwxr-xr-xfetch_externals.py10
10 files changed, 610 insertions, 29 deletions
diff --git a/22.08.json b/22.08.json
new file mode 100644
index 0000000..be20e6e
--- /dev/null
+++ b/22.08.json
@@ -0,0 +1,66 @@
+{
+ "externals":
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+ "path": "core_platform",
+ "fetchurl": "https://review.mlplatform.org/ml/ethos-u/ethos-u-core-platform",
+ "pushurl": "ssh://review.mlplatform.org:29418/ml/ethos-u/ethos-u-core-platform",
+ "revision": "22.08"
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+ "pushurl": "ssh://review.mlplatform.org:29418/ml/ethos-u/ethos-u-core-software",
+ "revision": "22.08"
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+ "fetchurl": "https://review.mlplatform.org/ml/ethos-u/ethos-u-core-driver",
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+ "fetchurl": "https://review.mlplatform.org/ml/ethos-u/ethos-u-linux-driver-stack",
+ "pushurl": "ssh://review.mlplatform.org:29418/ml/ethos-u/ethos-u-linux-driver-stack",
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diff --git a/22.11.json b/22.11.json
new file mode 100644
index 0000000..251ac91
--- /dev/null
+++ b/22.11.json
@@ -0,0 +1,71 @@
+{
+ "externals":
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+ "fetchurl": "https://review.mlplatform.org/ml/ethos-u/ethos-u-core-platform",
+ "pushurl": "ssh://review.mlplatform.org:29418/ml/ethos-u/ethos-u-core-platform",
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+ "pushurl": "ssh://review.mlplatform.org:29418/ml/ethos-u/ethos-u-core-software",
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diff --git a/23.02.json b/23.02.json
new file mode 100644
index 0000000..0c80e03
--- /dev/null
+++ b/23.02.json
@@ -0,0 +1,70 @@
+{
+ "externals":
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+ "fetchurl": "https://review.mlplatform.org/ml/ethos-u/ethos-u-core-platform",
+ "pushurl": "ssh://review.mlplatform.org:29418/ml/ethos-u/ethos-u-core-platform",
+ "revision": "23.02"
+ },
+ {
+ "path": "core_software",
+ "fetchurl": "https://review.mlplatform.org/ml/ethos-u/ethos-u-core-software",
+ "pushurl": "ssh://review.mlplatform.org:29418/ml/ethos-u/ethos-u-core-software",
+ "revision": "23.02"
+ },
+ {
+ "path": "core_software/core_driver",
+ "fetchurl": "https://review.mlplatform.org/ml/ethos-u/ethos-u-core-driver",
+ "pushurl": "ssh://review.mlplatform.org:29418/ml/ethos-u/ethos-u-core-driver",
+ "revision": "23.02"
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diff --git a/23.05.json b/23.05.json
new file mode 100644
index 0000000..9bd484d
--- /dev/null
+++ b/23.05.json
@@ -0,0 +1,81 @@
+{
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+ "pushurl": "ssh://review.mlplatform.org:29418/ml/ethos-u/ethos-u-core-platform",
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+ "revision": "23.05"
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+ "pushurl": "ssh://review.mlplatform.org:29418/ml/ethos-u/ethos-u-linux-driver-stack",
+ "revision": "23.05"
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diff --git a/23.08.json b/23.08.json
new file mode 100644
index 0000000..901d5c0
--- /dev/null
+++ b/23.08.json
@@ -0,0 +1,81 @@
+{
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+ "pushurl": "ssh://review.mlplatform.org:29418/ml/ethos-u/ethos-u-core-platform",
+ "revision": "23.08"
+ },
+ {
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+ "pushurl": "ssh://review.mlplatform.org:29418/ml/ethos-u/ethos-u-core-software",
+ "revision": "23.08"
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+ "path": "core_software/core_driver",
+ "fetchurl": "https://review.mlplatform.org/ml/ethos-u/ethos-u-core-driver",
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+ "revision": "23.08"
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diff --git a/23.11.json b/23.11.json
new file mode 100644
index 0000000..74d219f
--- /dev/null
+++ b/23.11.json
@@ -0,0 +1,76 @@
+{
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+ "pushurl": "ssh://review.mlplatform.org:29418/ml/ethos-u/ethos-u-core-platform",
+ "revision": "23.11"
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+ "path": "core_software/core_driver",
+ "fetchurl": "https://review.mlplatform.org/ml/ethos-u/ethos-u-core-driver",
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+}
diff --git a/24.02.json b/24.02.json
new file mode 100644
index 0000000..5432c7d
--- /dev/null
+++ b/24.02.json
@@ -0,0 +1,76 @@
+{
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+ "pushurl": "ssh://review.mlplatform.org:29418/ml/ethos-u/ethos-u-core-platform",
+ "revision": "24.02"
+ },
+ {
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+ "pushurl": "ssh://review.mlplatform.org:29418/ml/ethos-u/ethos-u-core-software",
+ "revision": "24.02"
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+ {
+ "path": "core_software/core_driver",
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+ "fetchurl": "https://github.com/FreeRTOS/FreeRTOS-Kernel.git",
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+ "name": "linaro",
+ "fetchurl": "https://github.com/eclipse-threadx/threadx",
+ "revision": "v6.4.0_rel"
+ },
+ {
+ "path": "core_software/tflite_micro",
+ "fetchurl": "https://github.com/tensorflow/tflite-micro",
+ "revision": "0ec823ed2f46a183ff202725b83c8ee3e13215b2"
+ },
+ {
+ "path": "linux_driver_stack",
+ "fetchurl": "https://review.mlplatform.org/ml/ethos-u/ethos-u-linux-driver-stack",
+ "pushurl": "ssh://review.mlplatform.org:29418/ml/ethos-u/ethos-u-linux-driver-stack",
+ "revision": "24.02"
+ },
+ {
+ "path": "vela",
+ "fetchurl": "https://review.mlplatform.org/ml/ethos-u/ethos-u-vela",
+ "pushurl": "ssh://review.mlplatform.org:29418/ml/ethos-u/ethos-u-vela",
+ "revision": "3.11.0"
+ }
+ ]
+}
diff --git a/README.md b/README.md
index c8fe027..21c1708 100644
--- a/README.md
+++ b/README.md
@@ -12,29 +12,25 @@ is stored in `externals.json` which is a human readable JSON file.
$ ./fetch_externals.py fetch
```
-The default configuration can be overriddend with the `-c` argument, for
+The default configuration can be overridden with the `-c` argument, for
example.
```
-$ ./fetch_externals.py -c 21.11.json fetch
+$ ./fetch_externals.py -c 22.11.json fetch
```
## Directory structure
-The script will build following directory structure.
+The script will build following core directory structure.
```
Directory
.
+-- core_platform
+-- core_software
-| +-- applications
| +-- cmsis
-| +-- cmsis-view
+| +-- cmsis-nn
| +-- core_driver
-| +-- drivers
-| +-- lib
-| +-- rtos
| +-- tflite_micro
+-- linux_driver_stack
+-- vela
@@ -43,10 +39,11 @@ Directory
| Directory | Description |
--- | ---
| [.](https://git.mlplatform.org/ml/ethos-u/ethos-u.git) | This is the root directory for all Arm Ethos-U software. |
-| [core_platform](https://git.mlplatform.org/ml/ethos-u/ethos-u-core-platform.git) | This directory contains target specific files and is provided as an example how core software can be built for target platforms. |
+| [core_platform](https://git.mlplatform.org/ml/ethos-u/ethos-u-core-platform.git) | This directory contains drivers, target specific files and is provided as an example how core software can be built for target platforms. |
| [core_software](https://git.mlplatform.org/ml/ethos-u/ethos-u-core-software.git) | The software executing on Arm Cortex-M is referred to as _Core Software_. This folder provides a small build system that illustrates how to build the key components for the Arm Ethos-U core software. |
+| [cmsis](https://github.com/ARM-software/CMSIS_5) | CMSIS provides generic interfaces to boot and configure the Arm Cortex-M CPUs. |
+| [cmsis-nn](https://github.com/ARM-software/CMSIS-NN.git) | CMSIS-NN provides optimized neural network kernels for Arm Cortex-M CPUs. |
| [core_driver](https://git.mlplatform.org/ml/ethos-u/ethos-u-core-driver.git) | The Arm Ethos-U NPU driver. |
-| [cmsis](https://github.com/ARM-software/CMSIS_5) | CMSIS provides optimized kernels and generic interfaces to the Arm Cortex-M CPUs. |
| [tflite_micro](https://github.com/tensorflow/tflite-micro) | The TensorFlow Lite microcontroller framework is used to run inferences. |
| [linux_driver_stack](https://git.mlplatform.org/ml/ethos-u/ethos-u-linux-driver-stack.git) | Example driver stack showing how Linux can dispatch inferences to an Arm Ethos-U subsystem. |
| [vela](https://git.mlplatform.org/ml/ethos-u/ethos-u-vela.git) | The Vela optimizer takes a TFLu file as input and replaces operators that are supported by the Arm Ethos-U NPU with custom operators designed to run on the NPU. Operators not supported by the NPU are executed in software. |
@@ -77,7 +74,7 @@ Date: Mon Feb 29 12:12:12 2016 +0000
Title of the commit
Short description of the change.
-
+
Signed-off-by: John Doe john.doe@example.org
Signed-off-by: Foo Bar foo.bar@example.org
```
@@ -89,6 +86,65 @@ the repository.
Please see [Security](SECURITY.md).
+# Releases
+
+## Release 24.02
+
+The 24.02 release has been tested on Ubuntu 22.04.3 LTS using Tensorflow version 2.15 as reference.
+
+## Release 23.11
+
+The 23.11 release has been tested on Ubuntu 22.04.3 LTS using Tensorflow version 2.14 as reference, with the
+additional patch applied:
+
+* https://github.com/tensorflow/tensorflow/pull/58400
+
+Without this patch there may be output diffs between TFL and TFLM for certain models.
+
+## Release 23.08
+
+The 23.08 release has been tested against Tensorflow version 2.12 as reference, with the additional patches applied:
+
+* https://github.com/tensorflow/tensorflow/pull/58400
+* https://github.com/tensorflow/tensorflow/pull/52014
+
+Without these patches there may be output diffs between TFL and TFLM for certain models.
+
+## Release 23.05
+
+The 23.05 release has been tested against Tensorflow version 2.11 as reference, with the additional patches applied:
+
+* https://github.com/tensorflow/tensorflow/pull/58400
+* https://github.com/tensorflow/tensorflow/pull/52014
+
+Without these patches there may be output diffs between TFL and TFLM for certain models.
+
+There's a discrepancy in tensorflow/lite/micro/cortex_m_corstone_300/README.md fixed by https://github.com/tensorflow/tflite-micro/pull/1972.
+
+# Known Issues
+
+## TensorFlow Lite for Microcontrollers Out of Memory Error during Runtime
+During runtime the TensorFlow Lite for Microcontrollers framework might report
+the following fatal error:
+
+```Failed to resize buffer. Requested: X, available: Y, missing: Z```
+
+where X, Y and Z are numbers of bytes and X = Y + Z.
+
+There can be several reasons for running out of memory during an inference but
+one cause is that too much memory was allocated to the Ethos-U during the
+offline compilation phase of the `.tflite` file using Vela. This can result in
+not enough memory being available at runtime for the other software components
+e.g. the application, the framework, or the reference kernels. The solution is
+to calculate the amount of memory required at runtime by all components and then
+update the amount allocated to the Ethos-U by using either the Vela CLI option
+`--arena-cache-size` or the `arena_cache_size` attribute in Vela's `.ini`
+configuration file. This calculation can be difficult to get right and so a
+pragmatic solution would be to start by reducing the amount allocated to the
+Ethos-U by the value ‘Z’ (from the error message) rounded up to the nearest
+multiple 16 (the default tensor alignment used in Vela). This may be an
+iterative process.
+
# Trademark notice
Arm, Cortex and Ethos are registered trademarks of Arm Limited (or its
diff --git a/externals.json b/externals.json
index ad9e62c..2b4aec8 100644
--- a/externals.json
+++ b/externals.json
@@ -25,25 +25,34 @@
"revision": "develop"
},
{
+ "path": "core_software/cmsis-nn",
+ "fetchurl": "https://github.com/ARM-software/CMSIS-NN.git",
+ "revision": "main"
+ },
+ {
"path": "core_software/cmsis-view",
"fetchurl": "https://github.com/ARM-software/CMSIS-View.git",
"revision": "main"
},
{
- "path": "core_software/rtos/freertos",
- "fetchurl": "https://github.com/aws/amazon-freertos.git",
- "revision": "main"
+ "path": "core_software/openamp/libmetal",
+ "fetchurl": "https://github.com/OpenAMP/libmetal",
+ "revision": "959fddbd706a67b0699e0dd7a46e36fe49079ef9"
+ },
+ {
+ "path": "core_software/openamp/openamp",
+ "fetchurl": "https://github.com/OpenAMP/open-amp",
+ "revision": "1680aada793d78b512f98cc1fa8fc2ee837919e5"
},
{
"path": "core_software/rtos/freertos/freertos_kernel",
"fetchurl": "https://github.com/FreeRTOS/FreeRTOS-Kernel.git",
- "revision": "main"
+ "revision": "V11.0.1"
},
{
"path": "core_software/rtos/threadx",
- "name": "linaro",
- "fetchurl": "https://github.com/Linaro/threadx",
- "revision": "mps3_an547"
+ "fetchurl": "https://github.com/eclipse-threadx/threadx",
+ "revision": "v6.4.1_rel"
},
{
"path": "core_software/tflite_micro",
@@ -57,15 +66,10 @@
"revision": "master"
},
{
- "path": "linux_driver_stack/flatbuffers",
- "fetchurl": "https://github.com/google/flatbuffers",
- "revision": "master"
- },
- {
"path": "vela",
"fetchurl": "https://review.mlplatform.org/ml/ethos-u/ethos-u-vela",
"pushurl": "ssh://review.mlplatform.org:29418/ml/ethos-u/ethos-u-vela",
- "revision": "master"
+ "revision": "main"
}
]
}
diff --git a/fetch_externals.py b/fetch_externals.py
index 0be9cc3..2cc7960 100755
--- a/fetch_externals.py
+++ b/fetch_externals.py
@@ -45,7 +45,7 @@ def check_output(args, **kwargs):
###############################################################################
class Git(object):
- def __init__(self, pwd, path, name, fetchurl, pushurl=None, revision='origin/master'):
+ def __init__(self, pwd, path, name, fetchurl, pushurl=None, revision='master'):
self.pwd = pwd
self.path = path
self.name = name
@@ -57,8 +57,8 @@ class Git(object):
def checkout_and_update(self):
self.init()
self.remote_add(self.name, self.revision, self.fetchurl, self.pushurl)
- self.fetch(self.name)
- self.checkout(self.name, self.revision)
+ self.fetch(self.name, self.revision)
+ self.checkout(self.name, 'FETCH_HEAD')
def init(self):
if not os.path.exists(self.absolutepath):
@@ -82,8 +82,8 @@ class Git(object):
if pushurl:
check_output(['git', 'remote', 'set-url', '--add', '--push', name, pushurl], cwd=self.absolutepath)
- def fetch(self, name):
- check_output(['git', 'fetch', name], cwd=self.absolutepath)
+ def fetch(self, name, revision):
+ check_output(['git', 'fetch', name, revision], cwd=self.absolutepath)
def checkout(self, name, revision):
rev = self.__get_rev(name, revision)
generated by cgit v1.2.1 (git 2.23.0) at 2024-04-24 03:28:22 +0000