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SOURCE_REPORTED / PERFORMANCE REPORT

llama.cpp on Spark: Q4_K_M prefill and decode

Original Spark report separating prompt processing from single-batch generation at different context depths.

Read the original source Publisher / project JSON ↗Markdown ↗
Source checked 2026-10-17 · Not independently reproduced by Run AI Here.

THE SOURCE IN CONTEXT

The report studies Qwen3 and Ministral 3 Q4_K_M artifacts on a single GB10 Spark with 128 GB unified memory. Prompt processing is tabulated at context depths 512 and 16,384; single-batch generation at 512 and 2,048. Context depth is the source table’s label, not a specified generated-output budget or a maximum capacity test.

What experiment is being described?

The report studies Qwen3 and Ministral 3 Q4_K_M artifacts on a single GB10 Spark with 128 GB unified memory. Prompt processing is tabulated at context depths 512 and 16,384; single-batch generation at 512 and 2,048. Context depth is the source table’s label, not a specified generated-output budget or a maximum capacity test.

Source: DandinPower · pinned document

What is a useful concrete comparison?

The selected Qwen3 30B MoE row reports 89.3 decode tokens/s at depth 512 and 83.8 at 2,048, while the 32B dense row reports 10.7 at depth 512. These results illustrate the author’s bandwidth interpretation for this particular pair of Q4_K_M artifacts. They do not establish equal quality or the same outcome for another MoE family.

Source: DandinPower · pinned document

What prevents a strong reproduction claim?

The report does not identify exact weight hashes, executed runtime commit, output lengths, cache policy or repetitions. Those gaps remain explicit. Without them, a later reader cannot know whether a discrepancy comes from kernels, artifacts or workload. A tested context depth also cannot certify the machine’s maximum context.

Source: DandinPower · pinned document

How is the source reused?

This article gives a small attributed factual selection with an original explanation. Repository metadata does not declare a license, so the full result table and prose are left with the original author. No independent run is claimed, and prefill and decode remain separate measurement types.

Source: DandinPower · pinned document

Reported figures and their conditions

Selected facts reported by the original author. Each row has its own configuration and measurement boundary. Run AI Here has not reproduced these tests.

Attributed source results; no cross-source ranking
Configuration / workloadMetricReported valueEvidence
Qwen3 30B MoE, shallow contextdecode89.3 tokens/sreported valueOriginal row ↗
Qwen3 30B MoE, deeper contextdecode83.8 tokens/sreported valueOriginal row ↗
Qwen3 32B dense, shallow contextdecode10.7 tokens/sreported valueOriginal row ↗
Qwen3 30B MoE, shallow context · decode · conditions
Conditions for this result only
systemNVIDIA DGX Spark / GB10 / 128 GB LPDDR5x
node_count1
parallelismNot specified
kv_dtypeNot specified
context_limit_tokensNot specified
experiment_dateNot specified
runtimellama.cpp, executed commit unspecified
quantizationQ4_K_M
batch_size1
input_tokensNot specified
output_tokensNot specified
repetitionsNot specified
cache_stateNot specified
modelQwen3 30B MoE
context_depth_tokens512
Qwen3 30B MoE, deeper context · decode · conditions
Conditions for this result only
systemNVIDIA DGX Spark / GB10 / 128 GB LPDDR5x
node_count1
parallelismNot specified
kv_dtypeNot specified
context_limit_tokensNot specified
experiment_dateNot specified
runtimellama.cpp, executed commit unspecified
quantizationQ4_K_M
batch_size1
input_tokensNot specified
output_tokensNot specified
repetitionsNot specified
cache_stateNot specified
modelQwen3 30B MoE
context_depth_tokens2048
Qwen3 32B dense, shallow context · decode · conditions
Conditions for this result only
systemNVIDIA DGX Spark / GB10 / 128 GB LPDDR5x
node_count1
parallelismNot specified
kv_dtypeNot specified
context_limit_tokensNot specified
experiment_dateNot specified
runtimellama.cpp, executed commit unspecified
quantizationQ4_K_M
batch_size1
input_tokensNot specified
output_tokensNot specified
repetitionsNot specified
cache_stateNot specified
modelQwen3 32B dense
context_depth_tokens512

AI-assisted source reading and original editorial synthesis; no independent model execution.

Key reading notes

Source identity and full condition receipt

Source identity

Attribution and exact source identity
Original publisherDandinPower
Reference typePerformance report
Model IDQwen3 / Ministral 3
Default recipe artifactNot specified
Runtime topics["llama.cpp"]
Source revisiona1e9514561e9be68982e1905f48808143082013a
Source commit date — not experiment date2025-12-05T13:40:35Z
Source checked2026-10-17
Declared licenseNot specified

Reported conditions

Unknown fields remain unspecified; context limits and measured input lengths are different
systemNVIDIA DGX Spark / GB10 / 128 GB LPDDR5x
node_count1
parallelismNot specified
kv_dtypeNot specified
context_limit_tokensNot specified
experiment_dateNot specified
model_revisionNot specified
weight_hashNot specified
runtime_execution_revisionNot specified
input_tokensNot specified
output_tokensNot specified
concurrencyNot specified
cache_stateNot specified
quantizationQ4_K_M
speculative_decodingNot specified
temperatureNot specified
top_pNot specified

Prompt processing

Conditions of this profile only
model_revisionNot specified
weight_hashNot specified
runtime_execution_revisionNot specified
input_tokensNot specified
output_tokensNot specified
concurrencyNot specified
cache_stateNot specified
quantizationQ4_K_M
speculative_decodingNot specified
temperatureNot specified
top_pNot specified
context_depth_tokens[512, 16384]
Original experiment section

Generation

Conditions of this profile only
model_revisionNot specified
weight_hashNot specified
runtime_execution_revisionNot specified
input_tokensNot specified
output_tokensNot specified
concurrencyNot specified
cache_stateNot specified
quantizationQ4_K_M
speculative_decodingNot specified
temperatureNot specified
top_pNot specified
batch_size1
context_depth_tokens[512, 2048]
Original experiment section

Limits

The complete original tables and raw evidence remain in the linked reports. Selected attributed figures retain their own conditions. Results from different models, weights, runtimes, workloads or cohorts must be read separately.

License scope

Repository metadata only; per-file, model, data and conversion terms remain separate.

This index publishes original explanations, limited attributed factual selections and source pointers. It does not distribute model weights or source repositories. Third-party material retains its own terms.