MiniSora Community

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The MiniSora open-source community is positioned as a community-driven initiative organized spontaneously by community members. The MiniSora community aims to explore the implementation path and future development direction of Sora.

• Regular round-table discussions will be held with the Sora team and the community to explore possibilities.
• We will delve into existing technological pathways for video generation.
• Leading the replication of papers or research results related to Sora, such as DiT (MiniSora-DiT), etc.
• Conducting a comprehensive review of Sora-related technologies and their implementations, i.e., "From DDPM to Sora: A Review of Video Generation Models Based on Diffusion Models".

Hot News

• Stable Diffusion 3: MM-DiT: Scaling Rectified Flow Transformers for High-Resolution Image Synthesis
• MiniSora-DiT: Reproducing the DiT Paper with XTuner
• Introduction of MiniSora and Latest Progress in Replicating Sora

Reproduction Group of MiniSora Community

Sora Reproduction Goals of MiniSora

1. GPU-Friendly: Ideally, it should have low requirements for GPU memory size and the number of GPUs, such as being trainable and inferable with compute power like 8 A100 80G cards, 8 A6000 48G cards, or RTX4090 24G.
2. Training-Efficiency: It should achieve good results without requiring extensive training time.
3. Inference-Efficiency: When generating videos during inference, there is no need for high length or resolution; acceptable parameters include 3-10 seconds in length and 480p resolution.

MiniSora-DiT: Reproducing the DiT Paper with XTuner

https://github.com/mini-sora/minisora-DiT

Requirements

We are recruiting MiniSora Community contributors to reproduce DiT using XTuner.

We hope the community member has the following characteristics:

1. Familiarity with the OpenMMLab MMEngine mechanism.
2. Familiarity with DiT.

Background

1. The author of DiT is the same as the author of Sora.
2. XTuner has the core technology to efficiently train sequences of length 1000K.

Support

1. Computational resources: 2*A100.
2. Strong supports from XTuner core developer P佬@pppppM.

Recent round-table Discussions

Paper Interpretation of Stable Diffusion 3 paper: MM-DiT

Speaker: MMagic Core Contributors

Live Streaming Time: 03/12 20:00

Highlights: MMagic core contributors will lead us in interpreting the Stable Diffusion 3 paper, discussing the architecture details and design principles of Stable Diffusion 3.

PPT: FeiShu Link

Highlights from Previous Discussions

Night Talk with Sora: Video Diffusion Overview

ZhiHu Notes: A Survey on Generative Diffusion Model: An Overview of Generative Diffusion Models

Paper Reading Program

• Sora: Creating video from text

• Technical Report: Video generation models as world simulators

• Latte: Latte: Latent Diffusion Transformer for Video Generation

  • Latte Paper Interpretation (zh-CN), ZhiHu(zh-CN)

• DiT: Scalable Diffusion Models with Transformers

• Stable Cascade (ICLR 24 Paper): Würstchen: An efficient architecture for large-scale text-to-image diffusion models

• Stable Diffusion 3: MM-DiT: Scaling Rectified Flow Transformers for High-Resolution Image Synthesis

  • SD3 Paper Interpretation (zh-CN), ZhiHu(zh-CN)

• Updating...

Recruitment of Presenters

• DiT (ICCV 23 Paper)
• Stable Cascade (ICLR 24 Paper)

Related Work

• 01 Diffusion Model
• 02 Diffusion Transformer
• 03 Baseline Video Generation Models
• 04 Diffusion UNet
• 05 Video Generation
• 06 Dataset
  • 6.1 Pubclic Datasets
  • 6.2 Video Augmentation Methods
    • 6.2.1 Basic Transformations
    • 6.2.2 Feature Space
    • 6.2.3 GAN-based Augmentation
    • 6.2.4 Encoder/Decoder Based
    • 6.2.5 Simulation
• 07 Patchifying Methods
• 08 Long-context
• 09 Audio Related Resource
• 10 Consistency
• 11 Prompt Engineering
• 12 Security
• 13 World Model
• 14 Video Compression
• 15 Mamba
  • 15.1 Theoretical Foundations and Model Architecture
  • 15.2 Image Generation and Visual Applications
  • 15.3 Video Processing and Understanding
  • 15.4 Medical Image Processing
• 16 Existing high-quality resources
• 17 Efficient Training
  • 17.1 Parallelism based Approach
    • 17.1.1 Data Parallelism (DP)
    • 17.1.2 Model Parallelism (MP)
    • 17.1.3 Pipeline Parallelism (PP)
    • 17.1.4 Generalized Parallelism (GP)
    • 17.1.5 ZeRO Parallelism (ZP)
  • 17.2 Non-parallelism based Approach
    • 17.2.1 Reducing Activation Memory
    • 17.2.2 CPU-Offloading
    • 17.2.3 Memory Efficient Optimizer
  • 17.3 Novel Structure
• 18 Efficient Inference
  • 18.1 Reduce Sampling Steps
    • 18.1.1 Continuous Steps
    • 18.1.2 Fast Sampling
    • 18.1.3 Step distillation
  • 18.2 Optimizing Inference
    • 18.2.1 Low-bit Quantization
    • 18.2.2 Parallel/Sparse inference