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sd2R: Stable Diffusion Image Generation
Provides Stable Diffusion image generation in R using the 'ggmlR' tensor library. Supports text-to-image and image-to-image generation with multiple model versions (SD 1.x, SD 2.x, 'SDXL', Flux). Implements the full inference pipeline including CLIP text encoding, 'UNet' noise removal, and 'VAE' encoding/decoding. Unified sd_generate() entry point with automatic strategy selection (direct, tiled sampling, high-resolution fix) based on output resolution and available 'VRAM'. High-resolution generation (2K, 4K+) via tiled 'VAE' decoding, tiled diffusion sampling ('MultiDiffusion'), and classic two-pass refinement (text-to-image, then upscale with image-to-image). Multi-GPU parallel generation via sd_generate_multi_gpu(). Multi-GPU model parallelism via 'device_layout' in sd_ctx(): distribute diffusion, text encoders, and 'VAE' across separate 'Vulkan' devices. Built-in profiling (sd_profile_start(), sd_profile_summary()) for per-stage timing of text encoding, sampling, and 'VAE' decode. Supports CPU and 'Vulkan' GPU. No 'Python' or external API dependencies required. Cross-platform: Linux, macOS, Windows.
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Package details |
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| Author | Yuri Baramykov [aut, cre], Georgi Gerganov [ctb, cph] (Author of the GGML library), leejet [ctb, cph] (Author of stable-diffusion.cpp), stduhpf [ctb] (Core contributor to stable-diffusion.cpp), Green-Sky [ctb] (Contributor to stable-diffusion.cpp), wbruna [ctb] (Contributor to stable-diffusion.cpp), akleine [ctb] (Contributor to stable-diffusion.cpp), Martin Raiber [cph] (Copyright holder in miniz.h), Rich Geldreich [cph] (Author of miniz.h), RAD Game Tools [cph] (Copyright holder in miniz.h), Valve Software [cph] (Copyright holder in miniz.h), Alex Evans [cph] (PNG writing code in miniz.h), Sean Barrett [cph] (Author of stb_image.h), Jorge L Rodriguez [cph] (Author of stb_image_resize.h), Niels Lohmann [cph] (Author of json.hpp (nlohmann/json)), Susumu Yata [cph] (Author of darts.h (darts-clone)), Kuba Podgorski [cph] (Author of zip.h/zip.c (kuba--/zip)), Meta Platforms Inc. [cph] (rng_mt19937.hpp (ported from PyTorch)), Google Inc. [cph] (Sentencepiece tokenizer code in t5.hpp) |
| Maintainer | Yuri Baramykov <lbsbmsu@mail.ru> |
| License | MIT + file LICENSE |
| Version | 0.1.7 |
| URL | https://github.com/Zabis13/sd2R |
| Package repository | View on CRAN |
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