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SparkRing 2026.10.4

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@FujitsuPolycom FujitsuPolycom released this 14 Oct 10:17
2026.10.4
4026296

SparkRing 2026.10.4

SparkRing's profiles run three models created by Local Inference Lab, Inc. and
licensed under the Local Inference Lab License, Version 1.0:
GLM-5.3-Flash-NVFP4-MXFP8-CSF-QAD
(glm53-flash-tp2, glm53-flash-tp4, glm53-flash-nvfp4-spark-tp2-dcp2),
GLM-5.3-NVFP4-CSF
(glm53-nvfp4-csf-tp6) and
Qwen3.8-Flash-Next-NVFP4-MXFP8-CSF-QAD
(qwen38-flash-next-tp2).

Packages built from tag 2026.10.4 install this release's image by default.
The
release record
has the evidence and the open gates.

What's in it

Installer image dev-20261013-dcp2prefill-status038-sircl-tp6
(ghcr.io/fujitsupolycom/sparkring@sha256:e21ba936d4fd6bfeb6e7a651e54a03ac461bf4e1e6f5721c1a34845c80acd76f):
2026.10.2's image plus:

  • glm53-flash-nvfp4-spark-tp2-dcp2 (research-only): GLM-5.3-Flash CSF on
    two Sparks with decode-context parallelism 2. The pair splits the KV cache,
    so it holds about twice the context and serves 16 requests at once.
  • glm53-nvfp4-csf-tp6 (research-only): GLM-5.3-NVFP4-CSF on six Sparks. It
    has not run on hardware yet.
  • Dashboard 0.3.8: vLLM's serving statistics on the status page.

Every 2026.10.2 profile is admitted on this image with its 2026.10.2 settings.

Tested

On a ring of eight DGX Sparks, with sparkring install:

  • deepseek-v41-flash-tp4 on four Sparks: installed and served.
  • glm53-flash-tp2 with the CSF checkpoint: installed and served.
  • glm53-flash-nvfp4-spark-tp2-dcp2: installed and served.

The other profiles passed the installer's image checks but were not started
on this image. No speed was measured on it.

Try it

On Node A:

curl -fsSL https://raw.githubusercontent.com/FujitsuPolycom/sparkring/2026.10.4/install.sh | bash -s -- --ref 2026.10.4 --package-only
sudo sparkring install --profile PROFILE --plan
sudo sparkring install --profile PROFILE
sudo sparkring check --report ~/sparkring-report

A Spark that holds the 2026.10.2 image downloads only the 6 layers this
image adds, 2.6 MiB.

Go back to 2026.10.2

sudo sparkring install --profile PROFILE --image 2026.10.2

That is the parent image on the same transports
(another image).

Assets 6
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