Story
Automatic1111 for Apple metal, 40% speed up sd1.5
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Overview
Automatic1111 runs slower on Apple hardware compared to expectations, prompting a search for performance improvements. A five-step DPM++ SDE method on an M3 Pro reduces processing time from 8-10 seconds to 3-7 seconds.
Summary from therad.ninja.
Reports
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Community reactions
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Hacker News · therad.ninja
Hacker News discussion ↗
Historical count: 5 · 5 saved in sample · Historical sample
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Based on 5 sampled comments from this thread. Analyzed 2026-08-13.
- Praise: The 40% speed boost on SD 1.5 is a game changer for those still using it, making high-quality image generation feel effortless on localized hardware.
- Praise: Invoke AI offers a seamless canvas-style experience for outpainting and inpainting, clearly standing out in terms of workflow efficiency.
- Praise: Despite being labeled old, SD 1.5 remains relevant for production systems, enabling users to extract high-quality images quickly without hassle.
- Concern: Automatic1111's lack of updates has pushed users towards alternatives like Forge Neo and ComfyUI, signaling a decline in its popularity.
- Concern: Many see SD 1.5 as outdated, especially with newer models like Mini Max H3 available, questioning the value of continuing to use it.
- Concern: ComfyUI's steep learning curve is a turn-off for some, leading to frustration when transitioning from Automatic1111.