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AI Toolkit users report significant slowdowns after saving checkpoints

By PulseAugur Editorial · [1 sources] ·

Users of the AI Toolkit are experiencing significant performance degradation after saving checkpoints during LTX 2.3 LoRA training. The issue causes training times to increase from approximately 20 seconds per image to 120-180 seconds per step. While resuming from a saved checkpoint maintains the slower speed until the next save, allowing the run to continue sometimes leads to temporary improvements. The user is seeking solutions or workarounds for this problem, preferring more frequent checkpoints for testing. AI

IMPACT Potential workflow disruption for users of AI Toolkit during LoRA training.

RANK_REASON User-reported issue with a specific software tool.

Read on r/StableDiffusion →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

AI Toolkit users report significant slowdowns after saving checkpoints

How we ranked this

Signal score
0 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
User-reported issue with a specific software tool.
Source corroboration
Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
product, infra
Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
73 days old
Aged out of breaking-news scoring windows; ranking reflects the durable signal from the full source set.

Full methodology in our editorial standards.

COVERAGE [1]

  1. r/StableDiffusion TIER_2 English(EN) · /u/Thorozar ·

    AI Toolkit slows significantly after save

    <!-- SC_OFF --><div class="md"><p>Been noticing something with my current LTX 2.3 lora run and wanted to see if others are having the same issue or know a better solution. </p> <p>Trained a few LTX loras on my 5080 in AI Toolkit, generally get around 20s/i for the run with my tra…

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