Tenstorrent updated the datasheet for its TT-Atlantis SoC to specify that it will ship with nerfed Ascalon-XG cores lacking vector crypto and featuring reduced floating-point throughput to comply...

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  "detected_at": "2026-08-28T16:51:22+00:00",
  "company": {
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    "domain": "tenstorrent.com"
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    "summary": "Tenstorrent updated the datasheet for its TT-Atlantis SoC to specify that it will ship with nerfed Ascalon-XG cores lacking vector crypto and featuring reduced floating-point throughput to comply with US export controls.",
    "category": "feature_removed",
    "comments": [
      {
        "url": "https://www.reddit.com/r/RISCV/comments/1w0vys1/comment/p6kb8up/",
        "depth": 0,
        "score": 8,
        "author": "lelewf",
        "excerpt": "And this is why in Europe we should hurry up in creating our own strong technology...",
        "posted_at": "2026-08-29T06:34:03.000Z",
        "author_url": "https://www.reddit.com/user/lelewf/"
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      {
        "url": "https://www.reddit.com/r/RISCV/comments/1w0vys1/comment/p6gtm3m/",
        "depth": 0,
        "score": 7,
        "author": "Icy-Concentrate2076",
        "excerpt": "China can't have these 1.6Ghz cores it would be too dangerous /s",
        "posted_at": "2026-08-28T18:30:21.000Z",
        "author_url": "https://www.reddit.com/user/Icy-Concentrate2076/"
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      {
        "url": "https://www.reddit.com/r/RISCV/comments/1w0vys1/comment/p6gpyn4/",
        "depth": 0,
        "score": 6,
        "author": "jab701",
        "excerpt": "> How are x86 and all of the Arm vendors allowed to sell they products, is there like a huge exception list or legal tricks?\n\n The export controls name stuff like vector width, so I think a VLEN above a certain value is okay.\n\n Crypto has been a long standing thing with the US, but normally you can sell it in Europe, but who knows with the orange man in charge…",
        "posted_at": "2026-08-28T18:14:28.000Z",
        "author_url": "https://www.reddit.com/user/jab701/"
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        "author": "christitiitnana",
        "excerpt": "Reduced throughput can be limited to double precision FP, but we will have to see",
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        "author_url": "https://www.reddit.com/user/christitiitnana/"
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        "author": "m_z_s",
        "excerpt": "So will the tenstorrent Ascalon-XG be limited to America's current naughty list ?\n\n China\n\n Cuba\n\n Iran\n\n North Korea\n\n Syria\n\n Russia\n\n Belarus\n\n Venezuela\n\n Myanmar (Burma)\n\n Cambodia\n\n Central African Republic\n\n Democratic Republic of the Congo\n\n Eritrea\n\n Haiti\n\n Iraq\n\n Libya\n\n Lebanon\n\n Somalia\n\n Sudan & South Sudan\n\n Zimbabwe\n\n And everyone elsewhere in the world can purchase the tenstorrent",
        "posted_at": "2026-08-28T18:58:56.000Z",
        "author_url": "https://www.reddit.com/user/m_z_s/"
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        "url": "https://www.reddit.com/r/RISCV/comments/1w0vys1/comment/p6it1uw/",
        "depth": 0,
        "score": 4,
        "author": "3G6A5W338E",
        "excerpt": "This is the core that'll get benchmarked.\n\n Catastrophic.",
        "posted_at": "2026-08-29T00:21:23.000Z",
        "author_url": "https://www.reddit.com/user/3G6A5W338E/"
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        "depth": 0,
        "score": 3,
        "author": "EloquentPinguin",
        "excerpt": "But the ascalon-x width was 2x256 already in what way is the performance altered? Its not obvious to me what more than the crypto acceleration is gone.",
        "posted_at": "2026-08-28T19:12:41.000Z",
        "author_url": "https://www.reddit.com/user/EloquentPinguin/"
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    "evidence": [
      "[post] The datasheet was just updated to clarify that Atlantis will have nerfed Ascalon-XG cores, to comply with export control restrictions.",
      "[post] TT-Atlantis without vector crypto and reduced FP throughput, thanks US"
    ],
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    "post_date": "2026-08-28T16:51:22.000Z",
    "post_kind": "image",
    "post_text": "The datasheet was just updated to clarify that Atlantis will have nerfed Ascalon-XG cores, to comply with export control restrictions.\n\n[https://github.com/tenstorrent/atlantis-soc-docs/blob/main/data\\_sheet/atl\\_soc\\_data\\_sheet.pdf](https://github.com/tenstorrent/atlantis-soc-docs/blob/main/data_sheet/atl_soc_data_sheet.pdf)\n\nI have no idea how they are over any throughput limits, considering the frequency? \nHow are x86 and all of the Arm vendors allowed to sell they products, is there like a huge exception list or legal tricks?",
    "sentiment": "negative",
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    "post_title": "TT-Atlantis without vector crypto and reduced FP throughput, thanks US",
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    "source_url": "https://www.reddit.com/r/RISCV/comments/1w0vys1/ttatlantis_without_vector_crypto_and_reduced_fp/",
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    "comments_total": 24,
    "total_comments": 19,
    "event_date_text": "just updated",
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    "products_mentioned": [
      "TT-Atlantis",
      "Ascalon-XG"
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