---
type: "Article"
title: "GLM-5.3-Flash NVFP4/MXFP8 CSF with SparkRing on 2× DGX Spark"
description: "GLM-5.3-Flash NVFP4/MXFP8 CSF with SparkRing on 2× DGX Spark: recipe by fujitsupolycom with speed, condition and source for every number, weights and license."
resource: "https://www.contextstudios.ai/local-ai/fujitsupolycom--glm-5.3-flash-csf-tp2-2x-dgx-spark"
language: "en"
generated:
  by: "process:contextstudios-md/1"
  at: "2026-11-11T03:20:15.653Z"
status: "stable"
---

# GLM-5.3-Flash NVFP4/MXFP8 CSF with SparkRing on 2× DGX Spark

GLM-5.3-Flash NVFP4/MXFP8 CSF with SparkRing on 2× DGX Spark: 38 tok/s according to github.com (dataset as of Nov 3, 2026).

- Creator: [fujitsupolycom](https://www.contextstudios.ai/local-ai/creators/fujitsupolycom.md)
- Engine: vLLM (local-inference-lab Fork) via SparkRing (SIRCL-Collectives, switchless RDMA ueber ConnectX-7), Image Release 2026.10.2
- Quantization: NVFP4/MXFP8 CSF QAD (Local Inference Lab)
- Model family: GLM-5.3-Flash
- Hardware: dgx-spark x2
- Context: 1048576
- Artificial Analysis Intelligence Index: 41.8 ([source](https://artificialanalysis.ai/models/glm-5-3-flash))

## All numbers

- 38 tok/s (Everyday; Everyday, 1 request, generation at 32K context (speed table, pair), thinking always on (measured before the profile default high, i.e. template default max), with MTP3 (per recipe)) — [source](https://github.com/FujitsuPolycom/sparkring#speed)
- decode_tps: 38 (1 request) — [source](https://github.com/FujitsuPolycom/sparkring#speed)
- decode_tps: 113 (8 parallel requests) — [source](https://github.com/FujitsuPolycom/sparkring#speed)
- prefill_tps: 2420 (1 request) — [source](https://github.com/FujitsuPolycom/sparkring#speed)

## Weights

- [local-inference-lab/GLM-5.3-Flash-NVFP4-MXFP8-CSF-QAD](https://huggingface.co/local-inference-lab/GLM-5.3-Flash-NVFP4-MXFP8-CSF-QAD) (main, other)

[https://github.com/FujitsuPolycom/sparkring](https://github.com/FujitsuPolycom/sparkring)

## Related

- [Local AI on your hardware.](https://www.contextstudios.ai/local-ai.md)
