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- Additional overflow checks are performed when running under
Microsoft Windows compared to Linux. These checks happen when
converting from Python int to NumPy int/uint
- The problem is that the lut activation values are int32 type,
however they are defined as Python ints. If these are converted to
numpy.int32 it could result in an overflow error
- The fix is to convert these values to uint32 but keep the
operator's IFM tensor type the same (as this will allow them to be
interpreted correctly)
- Fixing this highlighted another problem where convert_to_lut
always calls create_lut_tensor() with an int8 datatype, whereas it
should be using the IFM datatype
Change-Id: I781a9d850f654267aa4a67754438607c4bb95685
Signed-off-by: Tim Hall <tim.hall@arm.com>
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- The issue is due to undefined behaviour when casting a NumPy float
to a NumPy unsigned integer which occurs in create_const_tensor()
- The fix is to make sure that the values are first cast to a Python
float
- In addition, the values datatype argument has been removed from
create_const_tensor() to stop the tensor and values datatypes getting
out of sync
Change-Id: I134b9be8c941b361929a5ae7db8cb35f2e9728f2
Signed-off-by: Tim Hall <tim.hall@arm.com>
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Fixed an assert that was caused by a model that has a reshape operator
followed by another reshape operator. This structure has never been
thought of. However, since there is no need for the first reshape just
remove it from the path while traversing the graph.
Change-Id: I2a939df37502028ffc07115ac87e85375484efee
Signed-off-by: Johan Alfven <johan.alfven@arm.com>
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- Adds missing operators and type conversion recording to DebugDB
Change-Id: If76b0b430bbe73ae1469024c3160ecf0eea26abe
Signed-off-by: wilisa01 <william.isaksson@arm.com>
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- Update copyright notices to use SPDX format and add OSS mail as contact.
- Update years on files where it had been missed.
Signed-off-by: Rickard Bolin <rickard.bolin@arm.com>
Change-Id: I7e9715ea4e17b76252728c708e46df12ad67ab1f
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- The previous patch the always replaced ifm with ofm
introduced unnecessary avg pool ops for some cases.
That patch has been reverted and this is a new solution.
- Replace ifm with ofm for the following condition:
a) Ops that are dependent that the original ifm tensor
shape is not changed by the bypass memory op function.
b) When the memory op has different IFM and OFM rank.
Signed-off-by: Johan Alfven <johan.alfven@arm.com>
Change-Id: I16a023e169ae64c5db46f6f88516a5e1ca7ed7ef
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This reverts commit 5060ff53f5ac2382e04a68d7772bd71a36f63845.
Signed-off-by: Johan Alfven <johan.alfven@arm.com>
Change-Id: I8dd7e9ed8325fd2e8c17509fd9757292706f5ee7
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- In order to solve output diffs, the Reshape op was pushed
to the CPU. The problem was that the Mean op ifm shape
was replaced by the Reshape op ifm shape.
- This limitation is now removed. Changed implementation
how memory only ops are bypassed. Always replace the memory
only op ifm tensor with its ofm tensor. By doing this
the ifm tensor for the operator that is after the memory only
op is never changed.
Signed-off-by: Johan Alfven <johan.alfven@arm.com>
Change-Id: Ibcdebf33fd9b7a37f90984a129500b5dac52e5ea
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- Added support for Resize Bilinear with half pixel centers for int8 and
uint8.
- Utilizes the new "TILE" padding mode.
- Utilizes ofm stride multipliers and modified tile base offsets to
write OFMs interleaved.
Signed-off-by: Rickard Bolin <rickard.bolin@arm.com>
Change-Id: I37fa77c022a368f05fda0ead75d8696c9205f833
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- Ethos-U65-512 requires the input to REDUCE_SUM to use NHWC format
- Updated the graph optimiser format check to cover this condition
- Added a exception check to the backend of the compiler to verify that
this condition is not been violated by the external api or Vela internals
Signed-off-by: Tim Hall <tim.hall@arm.com>
Change-Id: I2f1fabcbd264daf77d5822349d855a3a32b12c64
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- Issue was due to a previous patch to fix MLBEDSW-4350
- Manually reverted that fix 5fabfcaa2b636b02899b4d6e0ccf95d853986475
- Made a new fix for MLBEDSW-4350 that calculates the padding and
skirt by taking into account the split read offsets and shapes
Signed-off-by: Tim Hall <tim.hall@arm.com>
Change-Id: I96010c1b977011aecbc411a3c91ab3e61af22db4
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* fix indices for tflite mapping of EXP operator
* fix indices for tflite mapping of Transpose operator
* ensure read offset after slice is aligned to 16 bytes for NHCWB16 or force linear format
* add unit test to ensure mapping of indices is consistent across TFLite, TOSA and NNG
Signed-off-by: James Ward <james.ward@arm.com>
Change-Id: I17b6e44bc06853325d5eea62a558418ee1ebefe8
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Added support for Identity operation.
Signed-off-by: Patrik Gustavsson <patrik.gustavsson@arm.com>
Change-Id: If00b30528932f7531807ce3914d6c1875ab72fa4
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Added support to map TABLE operator to LUT.
Limitations:
-Only supported for int8
-TABLE input must be constant
This also adds the support for TFLite legalisation of
Tanh/Sigmoid (int8/uint8).
Signed-off-by: Patrik Gustavsson <patrik.gustavsson@arm.com>
Change-Id: I1a95f61fb02fdd42c4a690494418cc0765c8b275
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Memory only operators such as Reshape, Squeeze and ExpandDims are
removed in the graph optimiser step.
- Added semantic check that memory only operators have same
quantisation parameters on ifm/ofm.
- Added support for the ExpandDims operator.
- Addition and cleanup of related unit tests.
- Removed TOSA from the generated SUPPORTED_OPS.md documentation.
Signed-off-by: Jonas Ohlsson <jonas.ohlsson@arm.com>
Change-Id: If848d8afc58c18806e10997ed94e4dae83f30879
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Added support for Data layout ops
RESHAPE, SLICE and CONCAT.
-No support for bool_t
-Support limited to Rank <= 4 and N = 1
Signed-off-by: Patrik Gustavsson <patrik.gustavsson@arm.com>
Change-Id: I487ac494b6506a2a6ba947ee758aa193194dd796
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This is mainly to add support for depthwise conv2d
with dephmultiplier = 1.
(But there are no testcases suited, all I have sourced
has depth_multiplier set to 2, which is not supported.)
-Added support for depthwise conv2d.
-Added support for removing Transpose of constant data
-Added support for removing reshape
Signed-off-by: Patrik Gustavsson <patrik.gustavsson@arm.com>
Change-Id: I143e6246becfa78fd9f7510af0bf0d6b3fbbf2c7
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Added support for
-AVGPOOL and CONV2D with TFLite correspondence
-MAXPOOL
-additional support for replacing RESCALE ops with avgpool.
No support for breaking down tensors over the
size supported by NPU.
Signed-off-by: Patrik Gustavsson <patrik.gustavsson@arm.com>
Change-Id: I1d2aa50ac30a26283b3e6f1fe88cba1544b7c189
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Fix inception_v1/v3 output diffs.
Removing the Squeeze operator in the graph optimisation step.
The squeeze operator removes dimensions of size 1 from tensor shape.
The memory layout is preserved.
Signed-off-by: Jonas Ohlsson <jonas.ohlsson@arm.com>
Change-Id: I4ceffcbb141af5ed50b0d1a9d1d67622e638c2a1
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Added basic TOSA support, enabling Vela to
read and compile a .tosa file corresponding to
CONV2D + Rescale + Clamp, and writing it to an
optimized .tflite file.
The optimized .tflite file, will in this case, hold
a commandstream where the Rescale and Clamp has been
fused into the CONV2D.
The optimized tflite file is not output from Vela.
-Added support to read .tosa file into Vela
internal structure.
- Added tosa_reader.py, tosa_mapper.py and
helper files stored under tosa/
- Support for this limited to ~10 ops
-Added reader_util.py for functions common
for TOSA and TFLite
-Added tosa_graph_optimiser.py
-Added support to fuse Rescale into convolution
-Modified handling for padding
-Added support to fuse Clamp to previous op
-Added graph_optimiser_util.py
-Moved functions common for TOSA/TFLite graph
optimization to this file.
-Renamed graph_optimiser.py to tflite_graph_optmiser.py
-Added separate tosa_supported_operators.py
-Added supported_operator_util.py
-For functions in common for TOSA/TFLite
Signed-off-by: Patrik Gustavsson <patrik.gustavsson@arm.com>
Change-Id: Ic3c540504ec8c5eb4771397fdc6882050ecf33ab
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