finetune starcoder. More precisely, the model can complete the implementation of a function or infer the following characters in a line of code. finetune starcoder

 
 More precisely, the model can complete the implementation of a function or infer the following characters in a line of codefinetune starcoder txt file for that repo, which I already thought it was

Using batch_size=1 and gradient_accumulation_steps=16. The StarCoder LLM is a 15 billion parameter model that has been trained on source code that was permissively licensed and available on GitHub. The average rent price in Victoria, BC for a 2 bedroom apartment is $2753 per month. for code base . py以及LLaMa-plus-7b从头训练了一个alpaca模型,但是checkpoint中没有相应的adapter_config. Looks like it is caused by "weight_map" defined in pytorch_model. StarCoder+: StarCoderBase further trained on English web data. This functionality can guess a model's configuration. Open. StarEncoder: Encoder model trained on TheStack. py --base_model_name_or_path model_to_merge --peft_model_path model_checkpoint # Push merged model to the Hub python. json file. 5B model is too large for some personal use case. All of them are started with transformer, and doesn't contain "starcoder": "weight_map":Super excited to push this even further: - Next week: bitsandbytes 4-bit closed beta that allows you to finetune 30B/65B LLaMA models on a single 24/48 GB GPU (no degradation vs full fine-tuning in 16-bit) - Two weeks: Full release of code, paper, and a collection of 65B modelsNote: The reproduced result of StarCoder on MBPP. Refact 1. js" and appending to output. Learn more about TeamsOverview of run llmock_Starcoder_purebf16_lr2e5_bs8 in llmd, a machine learning project by huanggab using Weights & Biases. It is difficult to see what is happening without seing the trace and the content of your checkpoint folder. best_model_checkpoint always return None leading to a failure at the end of the program. 8%,可以充当技术助手。. Once we observe a decline in the pass@1 metric, we will discontinue the usage of Evol-Instruct… Show moreIssue with running Starcoder Model on Mac M2 with Transformers library in CPU environment. Further finetune a Peft/LoRA finetuned CausalLM Model I am a bit unsure how to proceed regarding the mentioned topic. This dataset consists of about 10,000 images collected from Google Earth, Baidu Map, MapABC, and Tianditu. This tech report describes the progress of the collaboration until December 2022, outlining the current state of the Personally Identifiable Information (PII) redaction pipeline, the experiments conducted to. . arxiv:. A main function, which uses the helper functions above to upload documents and query the database all in one go. 0 licensed, open-source foundation model that exceeds the quality of GPT-3 (from the original paper) and is competitive with other open-source models such as LLaMa-30B and Falcon-40B. StarCoder supports input up to 8192 tokens, so I assume you also train the model with such long input. Reload to refresh your session. It is narrowly beaten in overall score by the 1-epoch model due to its better verbosity. 1. StarCoder is a new AI language model that has been developed by HuggingFace and other collaborators to be trained as an open-source model dedicated to code completion tasks. Please refer to this section : How to build docker images for NeuralChat FineTuning to build docker image from scratch. Write better code with AI. txt. With Pipeline and Tensor Parallelism the model itself is distributed across machines: in Pipeline Parallelism. I tried training a Language Model model using transformers using: AutoModelForMaskedLM. However, most existing models are solely pre-trained on extensive raw code data without instruction fine-tuning. Click them and check the model cards. Code Llama is a family of state-of-the-art, open-access versions of Llama 2 specialized on code tasks, and we’re excited to release integration in the Hugging Face ecosystem! Code Llama has been released with the same permissive community license as Llama 2 and is available for commercial use. Key features include:Development. Python from scratch. How to disable "wandb" while running finetune. 1k • 34. Can anyone give me a simple step by step way to turn this into a model that I can use in any of the UIs that are springing up (eg: alpaca turbo, gpt4all, or even obabooga)? All of them seem to be after quantized full. It is written in Python and trained to write over 80 programming languages, including object-oriented programming languages like C++, Python, and Java and procedural. CodeM -Python achieves state-of-the-art performance on HumanEval-Python with 64. And make sure you are logged into the Hugging Face hub with: {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"chat","path":"chat","contentType":"directory"},{"name":"finetune","path":"finetune. New kernels: support exllama q4 kernels to get at least 1. We adhere to the approach outlined in previous studies by generating 20 samples for each problem to estimate the pass@1 score and evaluate with the same. bin) files in files section of huggingFace (Satya4093 July 12, 2023, 3:19pm 1 I Tried Qlora it is working fine for Starcoder model with small context length 1K on a single A100 40GB GPU. cpp should be changed, how can I use this code to inference with my finetuned Starcoder model? The text was updated successfully, but these errors were encountered:Okay it looks like you are using a little dataset. Starcode clustering is based on all pairs search within a specified Levenshtein distance (allowing insertions and deletions), followed by a clustering algorithm: Message Passing, Spheres or Connected Components. 4. This organization is dedicated to language models for code generation. 2) and a Wikipedia dataset. I get some impression that it becomes slow if I increase batch size from 1 to 32 with. As a community-maintained library, we ensure it's kept up-to-date and fully tested, supporting . Links are on the above table. Deploy your fine-tuned starcoder LLM. 5 with 7B is on par with >15B code-generation models (CodeGen1-16B, CodeGen2-16B, StarCoder-15B), less than half the size. I would like to know if there is any way to solve this. 2023 May StarCoder [LAZ+23] 15. StarChat is a series of language models that are fine-tuned from StarCoder to act as helpful coding assistants. I want to use PEFT+LoRA to fine-tune starchat-alpha. GPTBigCodeMLP"],) I am getting an error : As per the title, I have attempted to fine-tune Starcoder with my own 400MB Python code. . We provide script finetune/finetune_deepseekcoder. . Learn more. github","contentType":"directory"},{"name":". Even i recently made a finetune to a model of 450M parameters along with the alpaca-lora dataset. In this blog post, we’ll show how StarCoder can be fine-tuned for chat to create a personalised coding assistant! To evaluate StarCoder and its derivatives, you can use the BigCode-Evaluation-Harness for evaluating Code LLMs. py. Please help with the right steps to finetune the starcoder . OpenLLM is an open-source library for large language models. People in these regions often prefer to use git clone or other programming tricks to manually download the files to the disk (for example, How to elegantly download. The model structure: The traditional loading method (AutoModel. . {"payload":{"allShortcutsEnabled":false,"fileTree":{"finetune":{"items":[{"name":"finetune. Download and install miniconda (Windows Only) Download and install. Compared to other few-shot learning methods, SetFit has several unique features: 🗣 No prompts or verbalisers: Current techniques for few-shot fine-tuning require handcrafted prompts or verbalisers to convert examples into a format that's suitable for the underlying language model. Note: The reproduced result of StarCoder on MBPP. TL;DR. Learn more. 2. Text Generation Transformers PyTorch. 5B parameter models trained on permissively licensed data from The Stack. Modified 2 months ago. 69 GiB total capacity; 21. It is not just one model, but rather a collection of models, making it an interesting project worth introducing. I'd like to finetune Starcoder (on my dataset and on a GCP VM instance. Script - Merging of the adapter layers into the base model’s weights and storing these on the hub. Here we can see how a well crafted prompt can induce coding behaviour similar to that observed in ChatGPT. I always get out of memory when starting to train. Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand ; Advertising Reach developers & technologists worldwide; Labs The future of collective knowledge sharing; About the companyNote: The reproduced result of StarCoder on MBPP. We adhere to the approach outlined in previous studies by generating 20 samples for each problem to estimate the pass@1 score and evaluate with the same. Open. e. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. py is designed to fine-tune Starcoder to map an input text to an output text . This can be done in bash with something like find -name "*. /scripts/merge_llama. Part of NLP Collective. py" TRANSFORMERS_MODELS_TO_LORA_TARGET_MODULES_M. The technical report outlines the efforts made to develop StarCoder and StarCoderBase, two 15. sh to adapt CHECKPOINT_PATH to point to the downloaded Megatron-LM checkpoint, WEIGHTS_TRAIN & WEIGHTS_VALID to point to the above created txt files, TOKENIZER_FILE to StarCoder's tokenizer. The model uses Multi Query Attention, was trained using the Fill-in-the-Middle objective and with 8,192 tokens context window for a trillion tokens of heavily deduplicated data. g. requires_grad =. The model created as a part of the BigCode initiative is an improved version of the StarCodeOpen Source Library for LLM. Since lora finetune changed some of layers of the model, some of the code in starcoder. DistilBERT is a small, fast, cheap and light Transformer Encoder model trained by distilling BERT base. The pattern 'ITERATION' in the output filenames will be replaced with the iteration number and with 'LATEST' for the latest output. StarCoder and comparable devices were tested extensively over a wide range of benchmarks. 💫 StarCoder What is this about? . 🤗 PEFT: Parameter-Efficient Fine-Tuning of Billion-Scale Models on Low-Resource Hardware Motivation . I am trying to finetune 'bigcode/starcoder' using Peft. Its training data incorporates more that 80 different programming languages as well as text extracted from. Stack Overflow | The World’s Largest Online Community for Developers4. The huggingface tag can be used for all libraries made by Hugging Face. 01 GiB already al. It is provided freely to the research community to advance remote sensing captioning via Exploring Models and Data for Remote Sensing Image Caption. Download the 3B, 7B, or 13B model from Hugging Face. bigcode-tokenizer Public Further finetune a Peft/LoRA finetuned CausalLM Model I am a bit unsure how to proceed regarding the mentioned topic. Can anyone share a colab notebook or some code snippet to fine-tune it? The text was updated successfully, but these errors were encountered: All reactions. . 5. StarCoder also has the advantage of being trained on "permissively-licensed" code, so that the use of its output is unlikely to result in license violations. We'll explore how LoRA works, its significance in. StarCoder and StarCoderBase are Large Language Models for Code (Code LLMs) trained on permissively licensed data from GitHub, including from 80+ programming languages, Git commits, GitHub issues, and Jupyter notebooks. Ng et al. . The tokenizers obtained from the 🤗 Tokenizers library can be loaded very simply into 🤗 Transformers. StarChat-alpha was trained on conversation data from the. bigcode-analysis Public Repository for analysis and experiments in. Evaluation . Specifically, we will finetune facebook/blenderbot-400M-distill on the smangrul/MuDoConv (Multi-Domain Conversation) dataset. 5B parameter models with 8K context length, infilling capabilities and fast large-batch inference enabled by multi-query. Option 1 : Build Docker image from scratch . Powerful models with billions of parameters, such as GPT-3, are prohibitively expensive to fine-tune in order to adapt. For instance, our approach to scale the models could be applied to integrate with any open-source LLMs. Ice can accumulate on the tailplane before it begins to accumulate on the mainplane or other parts of the aircraft. Using our publicly available LLM Foundry codebase, we trained MPT-30B over the course of 2. StarCoder, through the application of Code Evol-Instruct. By Solution. Language Model Evaluation emitting single letters for [MASK] tokens instead of meaningful words [closed] I am new to language modeling. You might be able to get StarCoder to do it via comments, but then it might just end up writing # pass in the code or fail in other ways. Megatron-LM. Finetune Person Tracker Worshop. The baseline is a model created via Huggingface’s library as an AutoModelForCausalLM model, PEFT and a LoRA approach with subsequent merging of the weights. json和adapter_model. Teams. 2. Akin to GitHub Copilot and Amazon CodeWhisperer, as well as open source AI-powered code generators like StarCoder, StableCode and PolyCoder, Code Llama can complete code and debug existing code. 1409. Task-specific layers should be run with PyTorch, similar to the example for BERT. Discussion. DeepSpeed implements more magic as of this writing and seems to be the short term winner, but Fairscale is easier to. I'm trying to finetune Starcoder but I'm getting an empty response i. You switched accounts on another tab or window. 5B 1T 33. 3 participants. 4. OpenLLM contains state-of-the-art LLMs, such as StableLM, Dolly, ChatGLM, StarCoder and more, which are all supported by built-in. It seems that state. I am a bit unsure how to proceed regarding the mentioned topic. Name Release Date Paper/BlogI have looked at Starcoder finetune. . Note: The above table conducts a comprehensive comparison of our WizardCoder with other models on the HumanEval and MBPP benchmarks. py","path. Featuring robust infill sampling , that is, the model can “read” text of both the left and right hand size of the current position. The huggingface tag can be used for all libraries made by Hugging Face. This is a fully-working example to fine-tune StarCoder on a corpus of multi-turn dialogues and thus create a coding assistant that is chatty and helpful. r/LocalLLaMA: Subreddit to discuss about Llama, the large language model created by Meta AI. You can do this by running the following command: cd gpt4all/chat. 05/08/2023. finetune. your model to successfully work with domain-specific language, such as. There are also internal chatbots to be used to train new people joining the company and several other use cases. 💫 StarCoder. What is this about? 💫 StarCoder is a language model (LM) trained on source code and natural language text. Title. Text Generation • Updated Sep 14 • 65. Hugging Face and ServiceNow released StarCoder, a free AI code-generating system alternative to GitHub’s Copilot (powered by OpenAI’s Codex), DeepMind’s AlphaCode, and Amazon’s CodeWhisperer. Deploy your fine-tuned Databricks Dolly LLM. Reload to refresh your session. You can also try starcoder. Our interest here is to fine-tune StarCoder in order to make it follow instructions. Would I be able to use the HuggingFace "Train" SageMaker interface and the Transformers library to run a fine-tuning job?Finetune output files will be saved every N iterations (config with --save-every N). Check the new instruction-tuning resources: InstructHumanEval: a variant of HumanEval benchamrk adapted for instruction-tuned models InstructHumanEval Full Curated CoNaLa: we used UL2 to rewritte more than 590k uncurated intents in CoNaLa dataset conala-mined-curated Self-Instruct with StarCoder: we release a selft-instruct. bigcode/the-stack-dedup. HumanEval is a widely used benchmark for Python that checks. Moreover, humans may struggle to produce high-complexity instructions. I could run the finetune starcoder with qlora but the output didn't seem to invalid (didn't work with inference) There is someone claimed that they did it successfully but not really sure (artidoro/qlora#121)For example, a finetuned version of StarCoder (i. 3. Most of those are support or Q&A chatbots to answer questions from clients at any hour and day. Upload images, audio, and videos by dragging in the text input,. rachelshalom Jul 5. The baseline is a model created via Huggingface’s library as an AutoModelForCausalLM model, PEFT and a LoRA approach with subsequent. arxiv: 1911. It’s based on the Transformer architecture, which was introduced by Google in 2017 for language translation tasks. Text Generation Transformers PyTorch. py file for fine tuning but that doesn't work for starchat-beta. Type: Llm: Login. Next, take a look at the train. younesbelkada commented Jun 13, 2023. Tuning via simulated annealing optimization is an iterative search tool for finding good values:Fine-tuning a language model. Open the file finetune-job. py <path to OpenLLaMA directory>. We observed that StarCoder matches or outperforms code-cushman-001 on many languages. The huggingface tag can be used for all libraries made by Hugging Face. co/bigcode/starcoder and accept the agreement. Check out our Colab example !LLMs are forward generating models, generating the next word based on the previous context without having known the future words. starcoder. The text was updated successfully, but these errors were encountered: StarCoder and StarCoderBase are Large Language Models for Code (Code LLMs) trained on permissively licensed data from GitHub, including from 80+ programming languages, Git commits, GitHub issues, and Jupyter notebooks. rachelshalom Jul 5. Deep Learning is an area of machine learning whose goal is to learn complex functions using special neural network architectures that are "deep" (consist of many layers). The implementation of LoRA is relatively straight-forward. The model has been trained on more than 80 programming languages, although it has a particular strength with the popular Python programming language that is widely used for data science and. Integration with Text Generation Inference. all previous rounds with the original dataset to finetune StarCoder and assess the pass@1 metric on HumanEval [31]. • WizardCoder surpasses all other open-source Code LLMs by a substantial margin in terms. Super excited to push this even further: - Next week: bitsandbytes 4-bit closed beta that allows you to finetune 30B/65B LLaMA models on a single 24/48 GB GPU (no. In this paper, we introduce WizardCoder, which empowers Code LLMs with complex instruction fine-tuning, by adapting the Evol-Instruct method to the domain of. For example, if you only want to keep the convolutional part of VGG16 fixed: model = torchvision. StarCoder is an LLM designed solely for programming languages with the aim of assisting programmers in writing quality and efficient code within reduced time frames. CI/CD & Automation. For more details, see here. 00. with int4 but i want to finetune with 8K context length. StarCoder, through the application of Code Evol-Instruct. 00 MiB (GPU 0; 23. The model demoed here is DistilBERT —a small, fast, cheap, and light transformer model based on the BERT architecture. Fine-tuning is a customization method that involved further training and does change the weights of your model. ) are hidden in this task. Deep Learning is an area of machine learning whose goal is to learn complex functions using special neural network architectures that are "deep" (consist of many layers). all previous rounds with the original dataset to finetune StarCoder and assess the pass@1 metric on HumanEval [31]. StarCoder and StarCoderBase are Large Language Models for Code (Code LLMs) trained on permissively licensed data from GitHub, including from 80+ programming languages, Git commits, GitHub issues, and Jupyter notebooks. Hugging Face. parameters (): param. This repository showcases how we get an overview of this LM's capabilities. Maomaoxion opened this issue on Jun 6 · 6 comments. py","contentType":"file"},{"name":"merge_peft. What is this about? 💫 StarCoder is a language model (LM) trained on source code and natural language text. 6% 52. 7% 2023 May StarCoder-Prompted [LAZ+23] 15. 9706. {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"chat","path":"chat","contentType":"directory"},{"name":"finetune","path":"finetune. Intially I wanted to run a hugging face run such that if the user wanted to run a sweep they could (and merge them with the command line arguments given) or just execute the run with the arguments. We adhere to the approach outlined in previous studies by generating 20 samples for each problem to estimate the pass@1 score and evaluate with the same. #134 opened Aug 30, 2023 by code2graph. 5%. Hi, I have a set of p4 (A100) instances available through Sagemaker training jobs. 1 ba. The model has been trained on more than 80 programming languages, although it has a particular strength with the. I always get out of memory when starting to train. OpenLLM is built on top of BentoML, a platform-agnostic model serving solution. Note: The above table conducts a comprehensive comparison of our WizardCoder with other models on the HumanEval and MBPP benchmarks. 0: Open LLM datasets for instruction-tuning. I want to finetune large LM such as opt-13b, opt-30b using Huggingface trainer and its DeepSpeed integration. LazerJesus opened this issue on Jul 4 · 0 comments. 3b released previously. 5-turbo for natural language to SQL generation tasks on our sql-eval framework, and significantly outperforms all popular open-source models. It’s not fine-tuned on instructions, and thus, it serves more as a coding assistant to complete a given code, e. deepspeed w/ cpu offload. Despite their success, most current methods either rely on an encoder-only (or decoder-only) pre-training that is suboptimal for generation (resp. 4 Experiment ServiceNow and Hugging Face release StarCoder, one of the world’s most responsibly developed and strongest-performing open-access large language model for code generation. We tested these steps on a 24GB NVIDIA 4090 GPU. Pre-trained models for Natural Languages (NL) like BERT and GPT have been recently shown to transfer well to Programming Languages (PL) and largely benefit a broad set of code-related tasks. MLS® ID #948431, ROYAL LEPAGE COAST CAPITAL - CHATTERTON. Now you can train, finetune, and deploy your own private MPT models, either starting from one of our checkpoints or training from scratch. Hi friends, I was trying to test the finetune/finetune. CodeGen2. 💫 StarCoder What is this about? . We can barely train LORA on any bigger models - LORA as a finetune for programming is pretty useless. 352 votes, 123 comments. Script - Sentiment fine-tuning of a Low Rank Adapter to create positive reviews. For detailed information and how things work behind the. You signed out in another tab or window. Just don't bother with the powershell envs. I ran DeepSpeed memory estimation: Estimated memory needed for params, optim states and gradients for a: HW: Setup with 1 node, 1. Automatic models search and training. How to get oobabooga/text-generation-webui running on Windows or Linux with LLaMa-30b 4bit mode via GPTQ-for-LLaMa on an RTX 3090 start to finish. py script. We will cover two types of language modeling tasks which are: Causal language modeling: the model has to predict the next token in the sentence (so the labels are the same as the inputs shifted to the right). 💫 StarCoder can be fine-tuned to achieve multiple downstream tasks. For more details, see here. I concatenated all . The text was updated successfully, but these errors were encountered: All reactions. What is this about? 💫 StarCoder is a language model (LM) trained on source code and natural language text. A tag already exists with the provided branch name. I would like to finetune on a private code for autocompletion. StarCoder is part of the BigCode Project, a joint effort of ServiceNow and Hugging Face. Deprecated warning during inference with starcoder fp16. Video Solutions for USACO Problems. Stack Overflow | The World’s Largest Online Community for DevelopersHow to finetune starchat-beta further? #92. CodeGen2. As per the title, I have attempted to fine-tune Starcoder with my own 400MB Python code. I want to finetune large LM such as opt-13b, opt-30b using Huggingface trainer and its DeepSpeed integration. Additionally, WizardCoder significantly outperforms all the open-source Code LLMs with instructions fine-tuning, including. Instruction fine-tuning has gained a lot of attention recently as it proposes a simple framework that teaches language models to align their outputs with human needs. I Tried Qlora it is working fine for Starcoder model with small context length 1K on a single A100 40GB GPU. . Specifically, we will finetune facebook/blenderbot-400M-distill on the smangrul/MuDoConv (Multi-Domain Conversation) dataset. Next Steps. 💫 StarCoder. Request: you should create a guide on how to do finetune/embeddings/loras/. 5B parameter models trained on 80+ programming languages from The Stack (v1. 33B and 65B parameter models). 支持基于 Stable Diffusion 和 Disco Diffusion 的图像生成、Dreambooth、DreamBooth LoRA 等 Finetune 方式以及使用 ControlNet 实现文本到图像生成的可控性。. 5 with 7B is on par with >15B code-generation models (CodeGen1-16B, CodeGen2-16B, StarCoder-15B), less than half the size. Q&A for work. Hello, I have been trying to use the finetune. Once we observe a decline in the pass@1 metric, we will discontinue the usage. I then scanned the text and sliced code snippets with 1024 characters to train the model for 1000 steps. , 2021, Chen et al , 2021, Hsu et al. 20. 02150. Fine-tuning . The StarCoderBase on the Hugging Chat is not fine-tuned is was just prompted with a series of dialogue. Synonyms. This is the most straight forward parallelism strategy essentially replicating the single-GPU case and is already supported by trl. Prerequisites. StarCoder, and even OpenAI’s code-cushman-001 model. Make sure to use <fim-prefix>, <fim-suffix>, <fim-middle> and not <fim_prefix>, <fim_suffix>, <fim_middle> as in StarCoder models. G. Fine-Tune a Model. Edit Preview. In the meantime though for StarCoder I tweaked a few things to keep memory usage down that will likely have impacted the fine-tuning too (e. . . Org profile for Hugging Chat on Hugging Face, the AI community building the future. Teams. Is it possible to finetune a much smaller language model like Roberta on say, a customer service dataset and get results as good as one might get with prompting GPT-4 with parts of the dataset? Can a. Define SELECT Fields instead of SELECT *. This workshop is about how to use and finetune MXNet pretrained YOLO3 model for person tracking workload on AWS. Satya4093 July 12, 2023, 3:19pm 1. #133 opened Aug 29, 2023 by code2graph. According to Wikipedia, Github Copilot’s first alpha version came out in June 2021 (holy crap, it’s been two years already?). Its training data incorporates more that 80 different programming languages as well as text extracted from. Notifications. But the 15. Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand ; Advertising Reach developers & technologists worldwide; Labs The future of collective knowledge sharing; About the company“@WizardLM_AI @CanXu20 "After each round of data evolution, we merge the evolved data from all previous rounds with the original dataset to finetune StarCoder and assess the pass@1 metric on HumanEval [31]. We fine-tuned StarCoderBase model for 35B Python. In addition to the LoRA technique, we will use bitsanbytes LLM. We opensource our Qwen series, now including Qwen, the base language models, namely Qwen-7B and Qwen-14B, as well as Qwen-Chat, the chat models, namely Qwen-7B-Chat and Qwen-14B-Chat. Net. Hi I am using this finetune with some modification to finetune startcoder. Please ALWAYS use the more specific tags; huggingface-transformers, huggingface-tokenizers, huggingface-datasets if your question concerns one of those libraries. I get some impression that it becomes slow if I increase batch size from 1 to 32 with total 256.