module update #6

JordanYates · 2024-06-27T07:02:53Z

Update tflite-micro to a version compatible with CMSIS-NN v6.0.0

`port c++ energy op to open source in tflm_signal` -port energy op and corresponding to new open source location for C++ BUG=[b/289422411](https://b.corp.google.com/issues/289422411)

BUG=b/290989355

BUG=http://b/149795762

BUG=https://b.corp.google.com/277097397

`port c++ filter_bank ops to open source in tflm_signal` -port filter_bank ops and corresponding to new open source location for C++ BUG=[b/289422411](https://b.corp.google.com/issues/289422411)

BUG=http://b/291306662

This will (hopefully) ensure that RISC-V failures result in a github issue being created. BUG=http://b/291335234

The generic benchmarking utilities added in PR 2125 did not compile on RISC-V due to two separate issues: * An incorrect format specifier for int32_t on RISC-V. This is resolved by using PRId32 instead of %ld or %d. * The fileno() is undeclared with the RISC-V toolchain, similar to how it is with the Embedded ARM toolchain. This PR resolves this by forgoing the fstat() check on file size (as this is what used fileno), and instead attempting to read the maximum number of bytes we can fit in the model buffer. We can then use feof() to verify that we read the entirety of the model, and error out if we did not. This solution also eliminates needing to worry about different file types, such as how the Xtensa simulator treats files from the host system as character devices. BUG=2129

This PR adds additional FFT op functionality in the Signal library, namely adding the FFT Auto Scale operation. Testing added in the original `fft_test.cc` and `fft_ops_test.py`. BUG=[287346710](http://b/287346710)

BUG=[549343727](http://cl/549343727)

Extends the Signal Library Delay OP to be usable from python. Can test via `bazel run python/tflite_micro/signal:delay_op_test` BUG=[287346710](http://b/287346710)

Inverse-RFFT as part of Signal library ops. Testing via current FFT Op tests. BUG=[287346710](http://b/287346710)

Our Cortex-m55 build is failing for fft_test.cc due to strict tolerance in irfft tests. Increasing tolerance slightly similar to what we did for rfft. Can test locally with ```make -f tensorflow/lite/micro/tools/make/Makefile -j24 test_kernel_signal_fft_test TARGET=cortex_m_corstone_300 TARGET_ARCH=cortex-m55``` BUG=[287518815](http://b/287518815)

…low#2142) We this PR, you can use these ops directly from python, including in TF graphs. Test with `bazel run python/tflite_micro/signal:framer_op_test`, etc. BUG=[287346710](http://b/287346710)

…#2143) Functionality to use the rest of the Signal Library OPs directly from python. Test with `bazel run python/tflite_micro/signal:stacker_op_test` and `bazel run python/tflite_micro/signal:filter_bank_ops_test` BUG=[287346710](http://b/287346710)

With tensorflow#1818, TFLM does not need the TfLite OpResolver. BUG=http://b/272808609

…sorflow#2148) @tensorflow/micro Update micro_mutable_op_resolver.h bug=fixes tensorflow#2135

…nsorflow#2151) Add the build configuration and integrated test to generate a Python distribution package named `tflite_micro` for publishing the tflm interpreter as a Python module with a native extension. Use the build tools provided in @rules_python, augmented by a custom rule `py_namespace` for the reasons documented in `python/py_namespace.bzl`. Provide an integration test at `//python/tflite_micro:whl_test`. Use a .tflite model copied from the hello_world example. (Copied to avoid creating a dependency.) BUG=part of tensorflow#1484

Adds support for 16-bit activations + 8-bit weights for depthwise convolution in the reference kernel. Uses 64-bit bias to match TFLite. Also adds passthrough to the q16x8 reference kernel for Xtensa, CEVA, and ARC (CMSIS already has it's own implementation). Tested: depthwise_conv_test BUG=2141

…tensorflow#2153) BUG=http://b/294278650

Upgrade @rules_python in preparation for adding build stamp information to the tflite_micro Python distribution package. This new version contains necessary fixes. Move the call to workspace(), which defines several external repositories, ahead of the repository definitions in WORKSPACE itself. workspace() defines @bazel_skylib, which is needed by the new version of @rules_python, and therefore must be defined first. Add a few comments about the use of @rules_python. BUG=part of tensorflow#1484

BUG=automated sync from upstream NO_CHECK_TFLITE_FILES=automated sync from upstream

BUG=armclang has build issues with https://github.com/eyalroz/printf

…aze/Bazel (tensorflow#2160) `load()`s are being added in preparation for changes being made to Blaze/Bazel ! corresponding [google3 cl](https://critique.corp.google.com/cl/553849494) BUG=[b/295216390](https://b.corp.google.com/issues/295216390)

BUG=automated sync from upstream NO_CHECK_TFLITE_FILES=automated sync from upstream

This PR creates the initial code generator scaffolding for performing inference without an interpreter. Currently, this does nothing other create a header and source file from Mako templates. Mako was chosen as a template engine due to existing dependency. BUG=b/295076487

This PR adds a codegen inference example for the hello world model to demonstrate how to invoke the code generator and build the generated source. For now, we're just checking the generated source into the repo to skip over building out the make rules and also ensuring the generated source complies with formatting rules. This also fixes a minor formatting issue in the source templates, as clang-format now properly complained about it. BUG=b/295390000

The new codegen python build rules were added without properly loading the rules. BUG=b/295216390

BUG=cleanup

* tensorflow@a76d154 has the changes needed to create test data for the current PR. I reverted the changes back to have the script be mostly unchanged (except for some typos and trailing whitespaces). * To get the new quantization parameters: ```bash bazel run tensorflow/lite/micro/kernels/testdata:lstm_test_data_generator ``` And then manually copy over the parameters into `lstm_test_data.cc` BUG=http://b/296130372

BUG=cl/634722988

When running the gen_micro_mutable_op_resolver script as a regular python script without bazel, it cannot find visualize because it is not part of the tflite-micro wheel. When running the script with bazel, bazel can pick up visualize from the path tflite_micro/tensorflow/lite/tools as long as tflite-micro wheel is not installed. If it is installed, then bazel will only look at that, which it is not a part of. This PR switches the import to just be from tensorflow, which should work regardless of whether it is from the tf package or relative path. BUG=tensorflow#2564

…ow#2589) The change introduces the support for ML models with 16 bit activations and 8 bit weights in the ExpandDims operation. BUG=fixes #68293

The TFLiteConverter recently switched over to using per-channel quantization for all Dense/FullyConnected layers. TFLite-Micro does not yet have support for this, and was using incorrect quantization parameters for FullyConnected layers on newly converted models. Unsurprisingly, this leads to invalid output. While we intend to add per-channel quantization support for FullyConnected, this PR adds a runtime check for per-channel quantization until it can be supported by individual kernels. If you encounter this runtime error, you can disable the new Converter behavior by setting: `TfLiteConverter._experimental_disable_per_channel_quantization_for_dense_layers = True` https://github.com/tensorflow/tensorflow/blob/377f47694fa790e98db6665b9adecde00b5e0d68/tensorflow/lite/python/lite.py#L674 BUG=b/324385802

Add `zephyr/module.yml` to enable repo as zephyr module. Signed-off-by: Jordan Yates <jordan@embeint.com>

Add a script which automates the process of exporting the third party dependencies for Zephyr. Signed-off-by: Jordan Yates <jordan@embeint.com>

ithinuel

This is based on the zephyr branch rather than the main branch.

The addition of the export script seems to be a good idea to simplify future updates however it yields the wrong paths.

To review/validate this PR I ran:

git fetch pull/6/HEAD:PR6
git checkout main
git merge 71fba59b
# add & run the script
# add third_party_static
# commit
git diff PR6

ithinuel · 2024-06-27T08:55:20Z

zephyr_static_export.sh

+mkdir -p third_party_static/kissfft
+
+cp $DL_FOLDER/flatbuffers/LICENSE third_party_static/flatbuffers/LICENSE
+cp -r $DL_FOLDER/flatbuffers/include third_party_static/flatbuffers/include


Makes it go in third_party_static/flatbuffers/include/include (duplicated include)

Suggested change

cp -r $DL_FOLDER/flatbuffers/include third_party_static/flatbuffers/include

cp -r $DL_FOLDER/flatbuffers/include third_party_static/flatbuffers

ithinuel · 2024-06-27T08:56:49Z

zephyr_static_export.sh

+cp -r $DL_FOLDER/gemmlowp/fixedpoint third_party_static/gemmlowp/fixedpoint
+cp -r $DL_FOLDER/gemmlowp/internal third_party_static/gemmlowp/internal


Suggested change

cp -r $DL_FOLDER/gemmlowp/fixedpoint third_party_static/gemmlowp/fixedpoint

cp -r $DL_FOLDER/gemmlowp/internal third_party_static/gemmlowp/internal

cp -r $DL_FOLDER/gemmlowp/fixedpoint third_party_static/gemmlowp

cp -r $DL_FOLDER/gemmlowp/internal third_party_static/gemmlowp

ithinuel · 2024-06-27T08:57:04Z

zephyr_static_export.sh

+cp $DL_FOLDER/kissfft/kiss_fft.c third_party_static/kissfft/kiss_fft.c
+cp $DL_FOLDER/kissfft/kiss_fft.h  third_party_static/kissfft/kiss_fft.h
+cp $DL_FOLDER/kissfft/kissfft.hh third_party_static/kissfft/kissfft.hh
+cp -r $DL_FOLDER/kissfft/tools third_party_static/kissfft/tools


Suggested change

cp -r $DL_FOLDER/kissfft/tools third_party_static/kissfft/tools

cp -r $DL_FOLDER/kissfft/tools third_party_static/kissfft

ithinuel · 2024-06-27T08:57:17Z

zephyr_static_export.sh

+cp -r $DL_FOLDER/gemmlowp/internal third_party_static/gemmlowp/internal
+
+cp $DL_FOLDER/ruy/LICENSE third_party_static/ruy/LICENSE
+cp -r $DL_FOLDER/ruy/ruy/profiler third_party_static/ruy/ruy/profiler


Suggested change

cp -r $DL_FOLDER/ruy/ruy/profiler third_party_static/ruy/ruy/profiler

cp -r $DL_FOLDER/ruy/ruy/profiler third_party_static/ruy/ruy

nashif · 2024-06-27T09:37:28Z

ok, this is a mess, no idea what is going on here and how we got here :(

JordanYates · 2024-06-27T10:20:06Z

This is based on the zephyr branch rather than the main branch.

The addition of the export script seems to be a good idea to simplify future updates however it yields the wrong paths.

To review/validate this PR I ran:
git fetch pull/6/HEAD:PR6
git checkout main
git merge 71fba59b
# add & run the script
# add third_party_static
# commit
git diff PR6

Paths are fine when I run it and my simple reproduction behaves as I expect, no duplicated directories:

(.zephyr_venv) jordan@TAURUS:~$ mkdir tmp
(.zephyr_venv) jordan@TAURUS:~$ cp -r ~/code/zephyr/zephyr/include/ ./tmp/include
(.zephyr_venv) jordan@TAURUS:~$ ls -ls tmp/include/
total 4
4 drwxr-xr-x 57 jordan jordan 4096 Jun 27 20:18 zephyr

JordanYates · 2024-06-27T10:20:47Z

ok, this is a mess, no idea what is going on here and how we got here :(

I agree, a giant mess and why I would prefer a branch :)

JordanYates · 2024-06-27T10:23:39Z

This is based on the zephyr branch rather than the main branch.

Nope, this is based purely on the upstream tensorflow micro main branch.

(.zephyr_venv) jordan@TAURUS:~/code/zephyr/optional/modules/lib/tflite-micro$ git remote -v
jordan  git@github.com:JordanYates/tflite-micro.git (fetch)
jordan  git@github.com:JordanYates/tflite-micro.git (push)
origin  git@github.com:tensorflow/tflite-micro.git (fetch)
origin  git@github.com:tensorflow/tflite-micro.git (push)
upstream        https://github.com/zephyrproject-rtos/tflite-micro (fetch)
upstream        https://github.com/zephyrproject-rtos/tflite-micro (push)
(.zephyr_venv) jordan@TAURUS:~/code/zephyr/optional/modules/lib/tflite-micro$ git log --oneline
e1eecbee (HEAD, jordan/zephyr-v3.7, zephyr-v3.7, manifest-rev, 240613_export) third_party_static: exported
73258a3e zephyr_static_export.sh: added
8be43d15 zephyr: module.yml: added
71fba59b (origin/main) Fail per-channel quantized FullyConnected layers (#2602)

Or shown a different way: https://github.com/JordanYates/tflite-micro/commits/zephyr-v3.7/

stephanosio · 2024-06-27T10:43:41Z

ok, this is a mess, no idea what is going on here and how we got here :(

I agree, a giant mess and why I would prefer a branch :)

zephyrproject-rtos/zephyr#73995 (comment)

Let us create a new branch -- it makes sense and everyone keeps their sanity.

Now the only question is: zephyr-v3.7 vs vTFLITEMICROVER-zephyr ...

JordanYates · 2024-06-27T10:46:26Z

Now the only question is: zephyr-v3.7 vs vTFLITEMICROVER-zephyr ...

The name is almost irrelevant since all that matters is the commit hash.
Someone with push rights make a unilateral decision and I will support it.

stephanosio · 2024-06-27T10:56:57Z

The name is almost irrelevant since all that matters is the commit hash.

Branch names do matter because they reflect how upstream syncs are meant to be handled.

Someone with push rights make a unilateral decision and I will support it.

I say we go and stick with zephyr-v3.7 (i.e. zephyr-vZEPHYRVER) because, that way, it is easier to backport module patches for specific Zephyr release in the future -- this is especially important for an LTS too ...

@nashif Do you agree?

ithinuel · 2024-06-27T11:01:32Z

This is based on the zephyr branch rather than the main branch.

Nope, this is based purely on the upstream tensorflow micro main branch.

Indeed, my bad.

Paths are fine when I run it and my simple reproduction behaves as I expect, no duplicated directories:

No they are not.

This file is in third_party_static/flatbuffers/include/include/flatbuffers/base.h and third_party_static/flatbuffers/include/flatbuffers/base.h (and all the other files and directories in flatbuffers.

You can check around third_party_static/gemmlowp/fixedpoint/fixedpoint.h as there are less files and you can see both the outer and the inner replicated directories.

nashif · 2024-06-27T11:03:07Z

I prefer to use zephyr, when someone lands on the pages, they need to see the code being used and not some old commits.
We can tag and archive existing state and reset the 'zephyr' branch with the code.

nashif · 2024-06-27T11:03:32Z

Just give me a sha that can be used and I will do that directly.

stephanosio · 2024-06-27T11:23:35Z

I prefer to use zephyr, when someone lands on the pages, they need to see the code being used and not some old commits. We can tag and archive existing state and reset the 'zephyr' branch with the code.

@nashif So how are we supposed to handle tflite-micro backport patches for Zephyr v3.7 when Zephyr is at v4.5 and the tflite-module zephyr branch is well into the future?

It is much easier to open/review a "backport patch PR" to zephyr-v3.7 branch than to do some behind-the-scenes chat and tagging magic.

Export third party sources with `zephyr_static_export.sh`. Signed-off-by: Jordan Yates <jordan@embeint.com>

JordanYates · 2024-06-27T11:45:23Z

You can check around third_party_static/gemmlowp/fixedpoint/fixedpoint.h as there are less files and you can see both the outer and the inner replicated directories.

Turns out we were both right. You were correct that files were duplicated, they were accidentally committed while testing the export script.

Reverted the entire export commit and re-ran the script, files now match the current structure.

nashif · 2024-06-27T11:49:44Z

@nashif So how are we supposed to handle tflite-micro backport patches for Zephyr v3.7 when Zephyr is at v4.5 and the tflite-module zephyr branch is well into the future?

It is much easier to open/review a "backport patch PR" to zephyr-v3.7 branch than to do some behind-the-scenes chat and tagging magic.

why are we dealing with backports and branches as if 3.7 was released? This is main branch development happening in zephyr right now, creating a 3.7 branch now and leaving 'zephyr' branch in a limbo is not really helpful. We will create a branch for 3.7 when the time comes, I do not think we need to worry about it now, this is mainstream development still.

stephanosio · 2024-06-27T12:27:25Z

why are we dealing with backports and branches as if 3.7 was released? This is main branch development happening in zephyr right now, creating a 3.7 branch now and leaving 'zephyr' branch in a limbo is not really helpful. We will create a branch for 3.7 when the time comes, I do not think we need to worry about it now, this is mainstream development still.

Fair enough, using zephyr as the "trunk" branch and creating zephyr-vx.y release branches as they are needed in the future then, as loosely documented in https://docs.zephyrproject.org/latest/develop/modules.html#module-repositories.

ithinuel · 2024-06-27T12:56:42Z

Fair enough, using zephyr as the "trunk" branch and creating zephyr-vx.y release branches as they are needed in the future then, as loosely documented in docs.zephyrproject.org/latest/develop/modules.html#module-repositories.

It’s worth noting that the current zephyr branch is an old head and the current manifest-rev pulled by zephyr is main and is not related to the old zephyr.
So the old zephyr head would need to be tagged with some name or its commits may be garbage collected.

ithinuel · 2024-06-28T10:53:23Z

Was merged by setting zephyr's branch to this hash.

turbotoribio and others added 30 commits July 13, 2023 19:27

Energy op (tensorflow#2121)

8ee06dc

`port c++ energy op to open source in tflm_signal` -port energy op and corresponding to new open source location for C++ BUG=[b/289422411](https://b.corp.google.com/issues/289422411)

Initialize test output variables (tensorflow#2124)

e687c60

BUG=b/290989355

Move kTfLiteAbort to micro_context.h (tensorflow#2072)

c3fddae

BUG=http://b/149795762

Generic benchmarking. (tensorflow#2125)

6da07de

BUG=https://b.corp.google.com/277097397

Filter_bank ops (tensorflow#2123)

2548022

`port c++ filter_bank ops to open source in tflm_signal` -port filter_bank ops and corresponding to new open source location for C++ BUG=[b/289422411](https://b.corp.google.com/issues/289422411)

Explicit load for py_library. (tensorflow#2127)

699c517

BUG=http://b/291306662

Add RISC-V as a requirement for the issue on error. (tensorflow#2128)

15154aa

This will (hopefully) ensure that RISC-V failures result in a github issue being created. BUG=http://b/291335234

Adds FFT Auto Scale Op (tensorflow#2134)

70aed11

This PR adds additional FFT op functionality in the Signal library, namely adding the FFT Auto Scale operation. Testing added in the original `fft_test.cc` and `fft_ops_test.py`. BUG=[287346710](http://b/287346710)

Fix numpy array compare for Numpy 1.25 (tensorflow#2136)

61bc56d

BUG=[549343727](http://cl/549343727)

Delay OP python extension (tensorflow#2138)

ed11500

Extends the Signal Library Delay OP to be usable from python. Can test via `bazel run python/tflite_micro/signal:delay_op_test` BUG=[287346710](http://b/287346710)

Adds IRFFT Op to Signal Library (tensorflow#2137)

55037d2

Inverse-RFFT as part of Signal library ops. Testing via current FFT Op tests. BUG=[287346710](http://b/287346710)

Python extensions for energy, framer, overlap_add Signal OPs (tensorf…

bb3fda3

…low#2142) We this PR, you can use these ops directly from python, including in TF graphs. Test with `bazel run python/tflite_micro/signal:framer_op_test`, etc. BUG=[287346710](http://b/287346710)

No longer sync TfLite OpResolver from upstream. (tensorflow#2145)

c20bab1

With tensorflow#1818, TFLM does not need the TfLite OpResolver. BUG=http://b/272808609

Add the AddEmbeddingLookup method to micro_mutable_op_resolver.h (ten…

aa945a0

…sorflow#2148) @tensorflow/micro Update micro_mutable_op_resolver.h bug=fixes tensorflow#2135

Disable whl_test since we are not building python package internally. (…

f19f21d

…tensorflow#2153) BUG=http://b/294278650

Automated sync from github.com/tensorflow/tensorflow (tensorflow#2158)

aa61a91

BUG=automated sync from upstream NO_CHECK_TFLITE_FILES=automated sync from upstream

Fix armclang build issue (tensorflow#2155)

d5f819d

BUG=armclang has build issues with https://github.com/eyalroz/printf

Automated sync from github.com/tensorflow/tensorflow (tensorflow#2161)

3c1c19b

BUG=automated sync from upstream NO_CHECK_TFLITE_FILES=automated sync from upstream

Add py load statement for codegen (tensorflow#2166)

e3d1a5a

The new codegen python build rules were added without properly loading the rules. BUG=b/295216390

Remove unused and combine similar loads (tensorflow#2165)

46ccaf8

BUG=cleanup

rascani and others added 6 commits May 22, 2024 17:37

Remove unused visibility spec (tensorflow#2594)

d069ba8

BUG=cl/634722988

Add support for 16 bit activations in ExpandDims operation. (tensorfl…

be11bd7

…ow#2589) The change introduces the support for ML models with 16 bit activations and 8 bit weights in the ExpandDims operation. BUG=fixes #68293

zephyr: module.yml: added

8be43d1

Add `zephyr/module.yml` to enable repo as zephyr module. Signed-off-by: Jordan Yates <jordan@embeint.com>

zephyr_static_export.sh: added

73258a3

Add a script which automates the process of exporting the third party dependencies for Zephyr. Signed-off-by: Jordan Yates <jordan@embeint.com>

This was referenced Jun 27, 2024

module update #5

Closed

manifest: update cmsis-nn to v6.0.0 & tflite-micro zephyrproject-rtos/zephyr#73995

Merged

ithinuel suggested changes Jun 27, 2024

View reviewed changes

nashif approved these changes Jun 27, 2024

View reviewed changes

third_party_static: exported

48613f7

Export third party sources with `zephyr_static_export.sh`. Signed-off-by: Jordan Yates <jordan@embeint.com>

JordanYates force-pushed the zephyr-v3.7 branch from e1eecbe to 48613f7 Compare June 27, 2024 11:41

ithinuel approved these changes Jun 27, 2024

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ithinuel closed this Jun 28, 2024

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module update #6

module update #6

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ithinuel commented Jun 28, 2024

	cp -r $DL_FOLDER/flatbuffers/include third_party_static/flatbuffers/include
	cp -r $DL_FOLDER/flatbuffers/include third_party_static/flatbuffers

		cp -r $DL_FOLDER/gemmlowp/fixedpoint third_party_static/gemmlowp/fixedpoint
		cp -r $DL_FOLDER/gemmlowp/internal third_party_static/gemmlowp/internal

	cp -r $DL_FOLDER/kissfft/tools third_party_static/kissfft/tools
	cp -r $DL_FOLDER/kissfft/tools third_party_static/kissfft

	cp -r $DL_FOLDER/ruy/ruy/profiler third_party_static/ruy/ruy/profiler
	cp -r $DL_FOLDER/ruy/ruy/profiler third_party_static/ruy/ruy

module update #6

module update #6

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