Muse-Glimmer-30B-ROCmFPX-GGUF / BUILD_RESULTS.md
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Add prompt and output throughput to DFlash results
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Build results

Outputs

File Preset / type Bytes Size BPW
artifacts/Muse-Glimmer-30B-ROCmFP4.gguf Q4_0_ROCMFP4_STRIX, ftype 105 15,210,123,424 14.17 GiB 4.36
artifacts/Muse-Glimmer-30B-ROCmFP8.gguf Q8_0_ROCMFPX, ftype 111 28,742,539,776 26.77 GiB 8.25
artifacts/Muse-Glimmer-30B-ROCmFP4-Q6-QUALITY.gguf Q4_0_ROCMFP4_COHERENT, ftype 102 16,032,978,080 14.94 GiB 4.60
intermediate/mmproj-Muse-Glimmer-30B-BF16.gguf BF16 vision projector 3,849,173,920 3.59 GiB
artifacts/Muse-Glimmer-30B-DFlash-ROCmFP4.gguf Q4_0_ROCMFP4_STRIX drafter 1,491,030,176 1.39 GiB 4.63
artifacts/Muse-Glimmer-30B-DFlash-ROCmFP8.gguf Q8_0_ROCMFPX drafter 2,649,174,176 2.47 GiB 8.25

The text GGUFs each contain 731 tensors and report the muse-glimmer architecture. The projector contains 809 tensors, 50 vision blocks, and the muse-glimmer projector type.

The DFlash GGUFs each contain 58 tensors and report the dflash architecture. Their source is Meta's official five-layer MuseGlimmerAssistantModel at revision 2c86316d689027b91123638739743fef1d425233. The modular ROCmFPX conversion and current upstream conversion produced byte-identical BF16 GGUFs (dc4ecbb…ad891) before quantization.

Importance matrix

  • File: calibration/Muse-Glimmer-30B-narrative-general.imatrix
  • Format: GGUF importance matrix
  • Entries consumed by quantizer: 416
  • Calibration: 500 chunks × 512 tokens (approximately 256k tokens)
  • Input corpus: local narrative-general-imatrix-sample.txt
  • Recovery files: .at_100, .at_200, .at_300, .at_400, .at_500

Both FP4 quantizers parsed all 416 entries and reported that the matrix was computed from 500 chunks. The standalone --show-statistics mode exits with SIGFPE in this ROCmFPX base; this does not affect matrix generation or the two successful quantizer consumers.

Neither DFlash drafter uses an iMatrix. They were quantized directly from the official BF16 assistant; the custom FP4 precision floor retains fc.weight as Q8_0 while routing the remaining eligible weights through the Strix FP4 preset.

Runtime validation

All checks used the experimental Muse-capable ROCmFPX build on ROCm0 with all layers offloaded and a 1,024-token context unless noted.

Model Result Prompt rate Decode rate
ROCmFP4 clean 16-token single-turn generation 113.7 tok/s 14.9 tok/s
ROCmFP8 clean 16-token single-turn generation 96.7 tok/s 7.8 tok/s
ROCmFP4-Q6-QUALITY clean 16-token single-turn generation 39.0 tok/s 14.0 tok/s
ROCmFP4 + BF16 mmproj loaded text, vision, decoded a PNG as a folder icon 81.7 tok/s 14.9 tok/s

DFlash throughput

Controlled DFlash runs used the ROCmFP4 target, three prompts, 256 generated tokens per prompt, context 2,048, batch size 1, greedy decoding, flash attention, full ROCm0 offload, and Q4_0 KV caches for both contexts.

Mode Draft window Mean prompt t/s Mean output t/s Speedup Output range Weighted acceptance
Baseline 73.7 13.7 1.00× 13.7–13.7
DFlash ROCmFP4 6 65.5 28.3 2.07× 24.3–31.8 519/1,448 (35.8%)
DFlash ROCmFP8 6 65.1 27.2 1.99× 24.1–33.0 519/1,454 (35.7%)
DFlash ROCmFP4 15 65.6 24.6 1.80× 18.5–30.7 543/3,171 (17.1%)
DFlash ROCmFP8 15 65.3 26.3 1.92× 19.2–34.6 563/2,891 (19.5%)

The six-token window is the recommended starting point on this host. The runtime patch includes the upstream DFlash injected-cache rotation fix; before that fix, quantized KV caches produced near-zero acceptance despite valid target verification.

The vision smoke test used a 2,048-token context and a local system icon. The older ROCmFPX flash-attention ABI requires the Muse sparse attention mask in FP16; the experiment toolchain converts the upstream FP32 mask values to FP16 at upload time.

Toolchain verification

  • test-llama-archs: passed, including Muse Glimmer architecture loading
  • test-quantize-fns: passed
  • Vulkan ROCmFP4 copy/conversion backend tests: 34/34 passed
  • llama-quantize, llama-imatrix, llama-cli, and llama-server: built
  • ROCmFPX build version: 209 (00d54526e)
  • DFlash ROCmFP4 and ROCmFP8 both completed verified speculative generation with Q4_0 KV caches after the injected-cache rotation backport

SHA-256 digests for sources, intermediates, and final outputs are recorded in manifests/SHA256SUMS.