Comments (19)
Hi @mdhosen,
Thank you for your interest. I fixed the problem. You can pull the latest commits for the fix.
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๐ Hello @g12bftd, thank you for your interest in YOLOv5 ๐! Please visit our โญ๏ธ Tutorials to get started, where you can find quickstart guides for simple tasks like Custom Data Training all the way to advanced concepts like Hyperparameter Evolution.
If this is a ๐ Bug Report, please provide screenshots and minimum viable code to reproduce your issue, otherwise we can not help you.
If this is a custom training โ Question, please provide as much information as possible, including dataset images, training logs, screenshots, and a public link to online W&B logging if available.
For business inquiries or professional support requests please visit https://ultralytics.com or email Glenn Jocher at [email protected].
Requirements
Python>=3.6.0 with all requirements.txt installed including PyTorch>=1.7. To get started:
$ git clone https://github.com/ultralytics/yolov5
$ cd yolov5
$ pip install -r requirements.txt
Environments
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- Amazon Deep Learning AMI. See AWS Quickstart Guide
- Docker Image. See Docker Quickstart Guide
Status
If this badge is green, all YOLOv5 GitHub Actions Continuous Integration (CI) tests are currently passing. CI tests verify correct operation of YOLOv5 training (train.py), validation (val.py), inference (detect.py) and export (export.py) on MacOS, Windows, and Ubuntu every 24 hours and on every commit.
from quantized-yolov5.
Hi Glenn,
I appreciate your interest. I can provide an implementation of quantized Yolov5. Nevertheless, it can not be exported for FINN synthesis due to unimplemented/incompatible layers. However, I can add a quantized config if you want to utilize the quantized Yolov5 in Brevitas for testing different weight bit-widths.
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Hey,
Thank you so much. It would be great to have a quantized yolov5m model. I just need to be able to control individual bit-widths for each layer and activation function. No need for deployment with FINN.
Thanks ๐
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I have added a config for quantized Yolov5(https://github.com/sefaburakokcu/quantized-yolov5/blob/quantized_yolo/models/yolov5m-quant.yaml). It was a bit tricky.
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Hey @sefaburakokcu,
Thank you so much for this! Amazing effort. A few questions just to clarify:
- With the current setup, we are able to modify the bit-widths of individual conv layers and their activation functions?
- I want quantise the model starting from the version pre-trained on COCO. Do I have to change anything in the current setup?
Thanks again for your help.
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Hi,
Thank you for your great effort. I was trying to run yolov5m-quant.yaml on my coustome dataset ( person detection). However, I got the following error: ......../train.py", line 252, in train
model_definition['anchors'] = (model.module.model[-1].anchorsmodel.module.model[-1].stride).cpu().reshape(model.module.model[-1].anchors.shape[0], -1).tolist() if hasattr(model, 'module') else (model.model[-1].anchorsmodel.model[-1].stride).cpu().reshape(model.model[-1].anchors.shape[0], -1).tolist()
RuntimeError: The size of tensor a (2) must match the size of tensor b (3) at non-singleton dimension 2
from quantized-yolov5.
Hi! I'm trying to build the quantized Yolov5 model following your implementation, yet I'm getting this error:
/content/quantized-yolov5/models/common.py in
25
26 # Quant layer imports
---> 27 from brevitas.nn import QuantConv2d, QuantLinear, QuantReLU, QuantAvgPool2d, QuantSigmoid, QuantHardTanh, QuantIdentity
28 from brevitas.quant import IntBias, Int8ActPerTensorFloatMinMaxInit
29
I fixed it by removing those unnecessery imports from the common.py, they both cause an error and are not used.
from quantized-yolov5.
Hi! I'm trying to build the quantized Yolov5 model as well, which following your implementation but I'm having some question:
In /content/quantized-yolov5/models/common.py of QuantBottleneck
structure, which is the sub-structure of the QuantC3, will make the yolov5 cannot be start a next epoch when completed a epoch. It will pop out the error as below.
Traceback (most recent call last):
File "train.py", line 660, in <module>
main(opt)
File "train.py", line 549, in main
train(opt.hyp, opt, device, callbacks)
File "train.py", line 335, in train
ema.update(model)
File "/home/user/yolov5QuantBrevitas/yolov5/utils/torch_utils.py", line 432, in update
v*=d
RuntimeError: Inplace update to inference tensor outside InferenceMode is not allowed.You can make a clone to get a normal tensor before doing inplace update.See https://github.com/pytorch/rfcs/pull/17 for more details.
By traced the code, I found out the problem is the self.quant_identity = QuantIdentity(bit_width=weight_bit_width)
cause the error. But it maybe due to lack of understanding of the brevitas library, just don't know how to use QuantIdentity
function to fix the error. So I corrected the QuantBottlneck
as below:
class QuantBottleneck(nn.Module):`
# Standard quantized bottleneck
def __init__(self, c1, c2, shortcut=True, g=1, e=0.5,
weight_bit_width=4, act_bit_width=2): # ch_in, ch_out, shortcut, groups, expansion, weight bit, act bit
super().__init__()
c_ = int(c2 * e) # hidden channels
self.cv1 = QuantConv(c1, c_, 1, 1, weight_bit_width=weight_bit_width, act_bit_width=act_bit_width)
self.cv2 = QuantConv(c_, c2, 3, 1, g=g, weight_bit_width=weight_bit_width, act_bit_width=act_bit_width)
self.add = shortcut and c1 == c2
# self.quant_identity = QuantIdentity(bit_width=weight_bit_width)
self.bd = weight_bit_width
def forward(self, x):
qx = QuantTensor(x, bit_width=self.bd)
return qx + self.cv2(self.cv1(x)) if self.add else self.cv2(self.cv1(x))
It's work! But I don't know the replacement will change the initial intention of the QuantBottleneck
.
Maybe @sefaburakokcu can comfirm this change will works and not affect initial intention of the function.
Thank you.
from quantized-yolov5.
Hi @Walid-AMARA!
I appreciate your interest. I think that your problem is coming form a new version of Brevitas since QuantAvgPool2d was replaced with TruncAvgPool2d. I fixed it too. You can also pull the latest repo.
from quantized-yolov5.
Hi @TCGoingW!
Thank you for your interest and a detailed question. Nevertheless, I am currently not sure whether replacing QuantIdentity with QuantTensor will effect the performance, but I don't think so. You can test it and share your findings here.
from quantized-yolov5.
Dear @sefaburakokcu, thank you for your kind response. When I am running the code, it is showing following error while validating and loading.
Validating runs\train\exp5\weights\best.pt...
Traceback (most recent call last):
File "...\quantized-yolov5-quantized_yolo\models\experimental.py", line 97, in attempt_load
ema = ckpt['ema' if ckpt.get('ema') else 'model'].float()
KeyError: 'model'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "train.py", line 650, in
main(opt)
File "train.py", line 542, in main
train(opt.hyp, opt, device, callbacks)
File "train.py", line 439, in train
model=attempt_load(f, device).half(),
File "..\quantized-yolov5-quantized_yolo\models\experimental.py", line 100, in attempt_load
cfg = w.replace("weights/best.pt", "model.yaml")
TypeError: replace() takes 2 positional arguments but 3 were given
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Dear @mdhosen,
Can you share your training arguments in order to reproduce your error? Which model config are you using?
from quantized-yolov5.
Dear @sefaburakokcu ,
Thank you again for your kind response. I am using "yolov5m-quant" config and "coco128_person_only" dataset. My training arguments are: " python train.py --data coco128_person_only.yaml --cfg models/yolov5m-quant.yaml --weights '' --batch-size 8 ". The model is saving but it is not validating. Problem occurring while model loading may be.
from quantized-yolov5.
Dear @mdhosen,
I ran "train.py" with the arguments you provided. Unfortunately, I couldn't reproduce the error you mentioned; my run was successful. Are you using the latest repository?
from quantized-yolov5.
Dear @sefaburakokcu ,
Thanks a lot for your prompt responses. I have downloaded the recent model from "https://github.com/sefaburakokcu/quantized-yolov5.git", and run it. I have also tried in google Colab (because I thought it may be my environment problem), still I am getting the error. After completing the last epoch, when it is trying to validate then error occurs. Also, one more question, does the model using validation after each epoch?
Thank you.
from quantized-yolov5.
Hi๏ผfirst of all, thank you very much for your selfless sharing and updates, which have been very helpful for my learning. You mentioned earlier that quantized YOLOv5 cannot be exported for use with FINN. What are the main layers that are difficult to implement in this context? Do you have any good ideas for replacing these layers?
from quantized-yolov5.
Dear @sefaburakokcu , Thanks a lot for your prompt responses. I have downloaded the recent model from "https://github.com/sefaburakokcu/quantized-yolov5.git", and run it. I have also tried in google Colab (because I thought it may be my environment problem), still I am getting the error. After completing the last epoch, when it is trying to validate then error occurs. Also, one more question, does the model using validation after each epoch? Thank you.
Dear @mdhosen,
The problem occurred due to attempting to load the model from a weight folder after the last epoch. The path to weights was not a string. Therefore, I converted the weights path to a string. However, I encountered a different error, which could be due to the different versions of PyTorch and Brevitas that I am currently using. Thus, I also replaced the model that is loaded from the folder with the final model in training. I have pushed the changes to the repo. You can try them.
from quantized-yolov5.
Dear @sefaburakokcu,
Thank you very much for your kind help. I have implemented on coco128 person only dataset (only 128 samples) and found no error. Now I am trying to implement on large dataset. Thank you again.
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Related Issues (9)
- Is quantized yolov5 available in the repo? HOT 2
- Result reproduction HOT 5
- Can the quantized yolov5 model with Brevitas be deployed on the DPU (Deep Learning Processing Unit)? HOT 2
- Supported FINN layers HOT 3
- Some error in export to onnx HOT 5
- RuntimeError: Expected all tensors to be on the same device, but found at least two devices, cuda:0 and cpu! HOT 2
- Achieving FPS mentioned in LPYOLO Paper HOT 1
- Question about which version of YOLO used HOT 1
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