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<meta name="description" content="Demo videos for Multi-Block Diffusion Language Models, generated by the Diffulex inference engine.">
<title>Demo Videos — Multi-Block Diffusion Language Models</title>
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<section id="videos" class="video-section">
<div class="section-kicker video-kicker">Decoding Demo Videos</div>
<div class="video-section-head">
<div>
<h2>LLaDA2 + MBD: Same Prompts, Massive Speedup</h2>
<p class="section-lede">Each group below runs the <strong>same set of prompts</strong> across three stages of the same LLaDA2 model: <strong>vanilla LLaDA2-Mini</strong> (native single-block decoding), <strong>MBD-LLaDA2-Mini</strong> (our MultiBD post-training), and <strong>MBD-LLaDA2-Mini-DMax</strong> (with aggressive DMax parallel decoding). The speed progression from left to right comes purely from our method — all demos run on a <strong>single NVIDIA A100-SXM4-80GB</strong> through the Diffulex engine. On newer hardware the gap widens further.</p>
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<div class="video-head-actions">
<button class="button video-action video-open" type="button" data-video="assets/videos/chosen.mp4" data-title="MBD-LLaDA2-Mini-DMax Demo">Watch Featured Demo</button>
<a class="button secondary" href="mbd-lms.html">How It Works</a>
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<div class="video-feature">
<div class="video-player">
<video class="video-preview" muted loop controls preload="metadata" playsinline>
<source src="assets/videos/chosen.mp4" type="video/mp4">
</video>
</div>
<div class="video-feature-copy">
<span>Featured Diffulex trace</span>
<h3>MBD-LLaDA2-Mini-DMax Demo</h3>
<p>This selected trace uses <strong>MBD-LLaDA2-Mini-DMax</strong>, the fastest model we trained.</p>
<p class="video-note"><strong>Playback note.</strong> The demo videos pass through a Streamlit frontend, which can consume much of the engine-side throughput advantage. Use the aggregate TPS numbers in the Runtime Engine section to judge the actual engine path.</p>
<button class="button secondary video-open" type="button" data-video="assets/videos/chosen.mp4" data-title="MBD-LLaDA2-Mini-DMax Demo">Watch Full Size</button>
</div>
</div>
<div class="video-group">
<div class="video-group-head">
<h3>Vanilla LLaDA2-Mini</h3>
<p>Native single-block decoding baseline. Same prompts, sequential block refinement.</p>
</div>
<div class="video-grid">
<button class="video-card video-open" type="button" data-video="assets/videos/llada2_mini_1.mp4" data-title="LLaDA2-Mini 1">
<video class="video-preview" muted loop preload="metadata" playsinline>
<source src="assets/videos/llada2_mini_1.mp4" type="video/mp4">
</video>
<span class="video-card-copy">
<span class="video-card-title">LLaDA2-Mini 1</span>
<span>Click to watch</span>
</span>
</button>
<button class="video-card video-open" type="button" data-video="assets/videos/llada2_mini_2.mp4" data-title="LLaDA2-Mini 2">
<video class="video-preview" muted loop preload="metadata" playsinline>
<source src="assets/videos/llada2_mini_2.mp4" type="video/mp4">
</video>
<span class="video-card-copy">
<span class="video-card-title">LLaDA2-Mini 2</span>
<span>Click to watch</span>
</span>
</button>
<button class="video-card video-open" type="button" data-video="assets/videos/llada2_mini_3.mp4" data-title="LLaDA2-Mini 3">
<video class="video-preview" muted loop preload="metadata" playsinline>
<source src="assets/videos/llada2_mini_3.mp4" type="video/mp4">
</video>
<span class="video-card-copy">
<span class="video-card-title">LLaDA2-Mini 3</span>
<span>Click to watch</span>
</span>
</button>
<button class="video-card video-open" type="button" data-video="assets/videos/llada2_mini_4.mp4" data-title="LLaDA2-Mini 4">
<video class="video-preview" muted loop preload="metadata" playsinline>
<source src="assets/videos/llada2_mini_4.mp4" type="video/mp4">
</video>
<span class="video-card-copy">
<span class="video-card-title">LLaDA2-Mini 4</span>
<span>Click to watch</span>
</span>
</button>
</div>
</div>
<div class="video-group">
<div class="video-group-head">
<h3>MBD-LLaDA2-Mini</h3>
<p>Our MultiBD post-training applied to the same model. Inter-block parallelism via bounded running-set.</p>
</div>
<div class="video-grid">
<button class="video-card video-open" type="button" data-video="assets/videos/mbd_llada2_1.mp4" data-title="MBD-LLaDA2 1">
<video class="video-preview" muted loop preload="metadata" playsinline>
<source src="assets/videos/mbd_llada2_1.mp4" type="video/mp4">
</video>
<span class="video-card-copy">
<span class="video-card-title">MBD-LLaDA2 1</span>
<span>Click to watch</span>
</span>
</button>
<button class="video-card video-open" type="button" data-video="assets/videos/mbd_llada2_2.mp4" data-title="MBD-LLaDA2 2">
<video class="video-preview" muted loop preload="metadata" playsinline>
<source src="assets/videos/mbd_llada2_2.mp4" type="video/mp4">
</video>
<span class="video-card-copy">
<span class="video-card-title">MBD-LLaDA2 2</span>
<span>Click to watch</span>
</span>
</button>
<button class="video-card video-open" type="button" data-video="assets/videos/mbd_llada2_3.mp4" data-title="MBD-LLaDA2 3">
<video class="video-preview" muted loop preload="metadata" playsinline>
<source src="assets/videos/mbd_llada2_3.mp4" type="video/mp4">
</video>
<span class="video-card-copy">
<span class="video-card-title">MBD-LLaDA2 3</span>
<span>Click to watch</span>
</span>
</button>
<button class="video-card video-open" type="button" data-video="assets/videos/mbd_llada2_4.mp4" data-title="MBD-LLaDA2 4">
<video class="video-preview" muted loop preload="metadata" playsinline>
<source src="assets/videos/mbd_llada2_4.mp4" type="video/mp4">
</video>
<span class="video-card-copy">
<span class="video-card-title">MBD-LLaDA2 4</span>
<span>Click to watch</span>
</span>
</button>
</div>
</div>
<div class="video-group">
<div class="video-group-head">
<h3>MBD-LLaDA2-Mini-DMax</h3>
<p>MultiBD + DMax aggressive parallel decoding. Highest throughput, same model backbone.</p>
</div>
<div class="video-grid">
<button class="video-card video-open" type="button" data-video="assets/videos/mbd_llada2_dmax_1.mp4" data-title="MBD-LLaDA2-DMax 1">
<video class="video-preview" muted loop preload="metadata" playsinline>
<source src="assets/videos/mbd_llada2_dmax_1.mp4" type="video/mp4">
</video>
<span class="video-card-copy">
<span class="video-card-title">MBD-LLaDA2-DMax 1</span>
<span>Click to watch</span>
</span>
</button>
<button class="video-card video-open" type="button" data-video="assets/videos/mbd_llada2_dmax_2.mp4" data-title="MBD-LLaDA2-DMax 2">
<video class="video-preview" muted loop preload="metadata" playsinline>
<source src="assets/videos/mbd_llada2_dmax_2.mp4" type="video/mp4">
</video>
<span class="video-card-copy">
<span class="video-card-title">MBD-LLaDA2-DMax 2</span>
<span>Click to watch</span>
</span>
</button>
<button class="video-card video-open" type="button" data-video="assets/videos/mbd_llada2_dmax_3.mp4" data-title="MBD-LLaDA2-DMax 3">
<video class="video-preview" muted loop preload="metadata" playsinline>
<source src="assets/videos/mbd_llada2_dmax_3.mp4" type="video/mp4">
</video>
<span class="video-card-copy">
<span class="video-card-title">MBD-LLaDA2-DMax 3</span>
<span>Click to watch</span>
</span>
</button>
<button class="video-card video-open" type="button" data-video="assets/videos/mbd_llada2_dmax_4.mp4" data-title="MBD-LLaDA2-DMax 4">
<video class="video-preview" muted loop preload="metadata" playsinline>
<source src="assets/videos/mbd_llada2_dmax_4.mp4" type="video/mp4">
</video>
<span class="video-card-copy">
<span class="video-card-title">MBD-LLaDA2-DMax 4</span>
<span>Click to watch</span>
</span>
</button>
</div>
</div>
<div class="video-group">
<div class="video-group-head">
<h3>DiffusionGemma</h3>
<p>Same method applied to a second diffusion model family for cross-architecture comparison.</p>
</div>
<div class="video-grid three-up">
<button class="video-card video-open" type="button" data-video="assets/videos/dgemma_1.mp4" data-title="DiffusionGemma 1">
<video class="video-preview" muted loop preload="metadata" playsinline>
<source src="assets/videos/dgemma_1.mp4" type="video/mp4">
</video>
<span class="video-card-copy">
<span class="video-card-title">DiffusionGemma 1</span>
<span>Click to watch</span>
</span>
</button>
<button class="video-card video-open" type="button" data-video="assets/videos/dgemma_2.mp4" data-title="DiffusionGemma 2">
<video class="video-preview" muted loop preload="metadata" playsinline>
<source src="assets/videos/dgemma_2.mp4" type="video/mp4">
</video>
<span class="video-card-copy">
<span class="video-card-title">DiffusionGemma 2</span>
<span>Click to watch</span>
</span>
</button>
<button class="video-card video-open" type="button" data-video="assets/videos/dgemma_3.mp4" data-title="DiffusionGemma 3">
<video class="video-preview" muted loop preload="metadata" playsinline>
<source src="assets/videos/dgemma_3.mp4" type="video/mp4">
</video>
<span class="video-card-copy">
<span class="video-card-title">DiffusionGemma 3</span>
<span>Click to watch</span>
</span>
</button>
</div>
</div>
</section>
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Multi-Block Diffusion Language Models. Train with <a href="https://github.com/SJTU-DENG-Lab/mbd-lms">mbd-lms</a>; reproduce with <a href="https://github.com/SJTU-DENG-Lab/Diffulex/tree/mbd-lms">Diffulex mbd-lms</a>; develop with <a href="https://github.com/SJTU-DENG-Lab/Diffulex/tree/main">Diffulex main</a>.
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