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Qwen Long Context: Concurrency, Memory and Failure Evidence

Read 128K and 490K Qwen batches, a four-GPU 128K matrix, sampled peak VRAM and a Mamba crash with original versions and measurement limits.

Read the original source Publisher / project JSON ↗Markdown ↗
Source checked 2026-10-18 · Not independently reproduced by Run AI Here.

THE SOURCE IN CONTEXT

Four submitted requests do not guarantee four running requests. The sources contain completed long-context batches, but their cache states, timing denominators and memory windows differ. Keep the four-GPU campaign peak separate from per-cell latency, and retain the original scheduler failure.

Which long-context batches were measured?

Penny Royal v2.5.0 tests one RTX PRO 6000 at TP1 with RadixArk NVFP4, RAM PLE, FP8 KV, FR-Spec and an 824384-token pool. Selected 128K and 490K C4 results divide all output by synchronized group wall time. Each cell is one batch, with stop or a 4096-token cap and differing completion totals. The online-FP8 arm records actual four-way overlap; exact prefix sharing and full checkpoint revision remain unreported here.

Source: jpezzulli · pinned document

What does the newer release add?

October 10 Penny Royal 3.0 has separate short regular screens and actual 63921/489915-token cold prompts. It uses another checkpoint, an adaptive policy and a larger token pool. The regular rate is an elapsed-weighted native active-interval mean, not whole task wall time. Public accepted source and local diagnostic checkout are separately identified. These cells do not replace the older long C4 experiment.

Source: jpezzulli · pinned document jpezzulli · pinned document

How are memory and sustained-load evidence bounded?

The external four-GPU report supplies a sampled summed used-VRAM peak for its entire matrix, not a per-cell peak or host peak. Penny Royal post-graph free VRAM and minimum free VRAM in a GPU-media window are different observations. A separate credited field report submits four approximately 240K requests over ten rounds, with queuing and 57 percent peak pool occupancy; HTTP 200 alone is not retrieval correctness.

Source: jpezzulli · pinned document jpezzulli · pinned document jpezzulli · pinned document

Which failure remains useful?

A first-person SGLang incident has approximately 140K cold input, HiCache write-through, 51 Mamba slots and only two running requests when Mamba usage reaches 1.00. The scheduler asserts while full token usage is 0.46. PR37619 is still open at this check; its CPU tests and proposed fallback do not establish that the GPU reproducer or all affected workloads are fixed.

Source: jpezzulli · 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
128K C4 option offaggregate output rate367.127 tokens/sone reported observation; no dispersionOriginal row ↗
128K C4 online FP8aggregate output rate422.037 tokens/sone reported observation; no dispersionOriginal row ↗
490K C4 option offaggregate output rate236.678 tokens/sone reported observation; no dispersionOriginal row ↗
490K C4 online FP8aggregate output rate329.01 tokens/sone reported observation; no dispersionOriginal row ↗
128K online FP8 C1 decode_ratedecode rate195.634 tokens/sone reported observation; no dispersionOriginal row ↗
128K online FP8 C1 ttftttft12.906 sone reported observation; no dispersionOriginal row ↗
490K online FP8 C1 decode_ratedecode rate172.644 tokens/sone reported observation; no dispersionOriginal row ↗
490K online FP8 C1 ttftttft63.296 sone reported observation; no dispersionOriginal row ↗
Post-graph free VRAMavailable GPU memory7.52 GiBone reported observation; no dispersionOriginal row ↗
Media-window minimum free VRAMavailable GPU memory1897 MiBone reported observation; no dispersionOriginal row ↗
3.0 cold 64K prefill_rateprefill rate17235.9 tokens/sone reported observation; no dispersionOriginal row ↗
3.0 cold 64K ttftttft4.71 sone reported observation; no dispersionOriginal row ↗
3.0 cold 490K prefill_rateprefill rate8839.75 tokens/sone reported observation; no dispersionOriginal row ↗
3.0 cold 490K ttftttft60.37 sone reported observation; no dispersionOriginal row ↗
3.0 short C1 native meannative decode rate218.63 tokens/snative mean; three regular repeats, no SDOriginal row ↗
3.0 short C4 native meannative decode rate489.35 tokens/snative mean; three regular repeats, no SDOriginal row ↗
128K C4 option off · aggregate output rate · conditions
Conditions for this result only
modelQwen3.8-Flash-Next
model_artifactRadixArk/Qwen3.8-Flash-Next-NVFP4
model_revisionNot specified
runtime_execution_revisionNot specified
executed_image_digestNot specified
engineSGLang-derived Penny Royal
systemone RTX PRO 6000 Blackwell SM120, 96 GB; TP1
node_count1
parallelismTP1
weight_precisionModelOpt NVFP4 experts; optional online FP8 projections
kv_dtypeFP8
PLEhost RAM
context_limit_tokens524288
KV_pool_tokens824384
mamba_slots24
HiCache_NIXL_GiB32
FR_SpecTrue
temperatureNot specified
top_pNot specified
thinkingNot specified
repetitions1
experiment_date2026-09-11
recipe_releasev2.5.0
input_tokensNot specified
output_tokensNot specified
actual_output_tokensNot specified
cache_statepost-warmup context tests; exact C4 cache sharing unreported
workload128K four-request three-key retrieval
input_length_source_label128K
concurrency4
precision_optionoption off
actual_output_tokens_group15725
group_wall_seconds42.833
requested_output_cap_per_request4096
finish_reasons["stop", "length"]
all_four_overlap_secondsNot specified
metric_denominatorall group output tokens / synchronized group makespan including TTFT
all_responses_three_keys_exactTrue
all_four_full_distinct_prefixes_provenFalse
128K C4 online FP8 · aggregate output rate · conditions
Conditions for this result only
modelQwen3.8-Flash-Next
model_artifactRadixArk/Qwen3.8-Flash-Next-NVFP4
model_revisionNot specified
runtime_execution_revisionNot specified
executed_image_digestNot specified
engineSGLang-derived Penny Royal
systemone RTX PRO 6000 Blackwell SM120, 96 GB; TP1
node_count1
parallelismTP1
weight_precisionModelOpt NVFP4 experts; optional online FP8 projections
kv_dtypeFP8
PLEhost RAM
context_limit_tokens524288
KV_pool_tokens824384
mamba_slots24
HiCache_NIXL_GiB32
FR_SpecTrue
temperatureNot specified
top_pNot specified
thinkingNot specified
repetitions1
experiment_date2026-09-11
recipe_releasev2.5.0
input_tokensNot specified
output_tokensNot specified
actual_output_tokensNot specified
cache_statepost-warmup context tests; exact C4 cache sharing unreported
workload128K four-request three-key retrieval
input_length_source_label128K
concurrency4
precision_optiononline FP8
actual_output_tokens_group15898
group_wall_seconds37.67
requested_output_cap_per_request4096
finish_reasons["stop", "length"]
all_four_overlap_seconds30.152
metric_denominatorall group output tokens / synchronized group makespan including TTFT
all_responses_three_keys_exactTrue
all_four_full_distinct_prefixes_provenFalse
490K C4 option off · aggregate output rate · conditions
Conditions for this result only
modelQwen3.8-Flash-Next
model_artifactRadixArk/Qwen3.8-Flash-Next-NVFP4
model_revisionNot specified
runtime_execution_revisionNot specified
executed_image_digestNot specified
engineSGLang-derived Penny Royal
systemone RTX PRO 6000 Blackwell SM120, 96 GB; TP1
node_count1
parallelismTP1
weight_precisionModelOpt NVFP4 experts; optional online FP8 projections
kv_dtypeFP8
PLEhost RAM
context_limit_tokens524288
KV_pool_tokens824384
mamba_slots24
HiCache_NIXL_GiB32
FR_SpecTrue
temperatureNot specified
top_pNot specified
thinkingNot specified
repetitions1
experiment_date2026-09-11
recipe_releasev2.5.0
input_tokensNot specified
output_tokensNot specified
actual_output_tokensNot specified
cache_statepost-warmup context tests; exact C4 cache sharing unreported
workload490K four-request three-key retrieval
input_length_source_label490K
concurrency4
precision_optionoption off
actual_output_tokens_group15455
group_wall_seconds65.3
requested_output_cap_per_request4096
finish_reasons["stop", "length"]
all_four_overlap_secondsNot specified
metric_denominatorall group output tokens / synchronized group makespan including TTFT
all_responses_three_keys_exactTrue
all_four_full_distinct_prefixes_provenFalse
490K C4 online FP8 · aggregate output rate · conditions
Conditions for this result only
modelQwen3.8-Flash-Next
model_artifactRadixArk/Qwen3.8-Flash-Next-NVFP4
model_revisionNot specified
runtime_execution_revisionNot specified
executed_image_digestNot specified
engineSGLang-derived Penny Royal
systemone RTX PRO 6000 Blackwell SM120, 96 GB; TP1
node_count1
parallelismTP1
weight_precisionModelOpt NVFP4 experts; optional online FP8 projections
kv_dtypeFP8
PLEhost RAM
context_limit_tokens524288
KV_pool_tokens824384
mamba_slots24
HiCache_NIXL_GiB32
FR_SpecTrue
temperatureNot specified
top_pNot specified
thinkingNot specified
repetitions1
experiment_date2026-09-11
recipe_releasev2.5.0
input_tokensNot specified
output_tokensNot specified
actual_output_tokensNot specified
cache_statepost-warmup context tests; exact C4 cache sharing unreported
workload490K four-request three-key retrieval
input_length_source_label490K
concurrency4
precision_optiononline FP8
actual_output_tokens_group15127
group_wall_seconds45.977
requested_output_cap_per_request4096
finish_reasons["stop", "length"]
all_four_overlap_seconds24.85
metric_denominatorall group output tokens / synchronized group makespan including TTFT
all_responses_three_keys_exactTrue
all_four_full_distinct_prefixes_provenFalse
128K online FP8 C1 decode_rate · decode rate · conditions
Conditions for this result only
modelQwen3.8-Flash-Next
model_artifactRadixArk/Qwen3.8-Flash-Next-NVFP4
model_revisionNot specified
runtime_execution_revisionNot specified
executed_image_digestNot specified
engineSGLang-derived Penny Royal
systemone RTX PRO 6000 Blackwell SM120, 96 GB; TP1
node_count1
parallelismTP1
weight_precisionModelOpt NVFP4 experts; optional online FP8 projections
kv_dtypeFP8
PLEhost RAM
context_limit_tokens524288
KV_pool_tokens824384
mamba_slots24
HiCache_NIXL_GiB32
FR_SpecTrue
temperatureNot specified
top_pNot specified
thinkingNot specified
repetitions1
experiment_date2026-09-11
recipe_releasev2.5.0
input_tokensNot specified
output_tokens1024
actual_output_tokens1024
cache_statepost-warmup context tests; exact C4 cache sharing unreported
workload128K C1 three-key retrieval
concurrency1
precision_optiononline FP8
input_length_source_label128K
metric_denominatorclient generation after first token, excluding TTFT
128K online FP8 C1 ttft · ttft · conditions
Conditions for this result only
modelQwen3.8-Flash-Next
model_artifactRadixArk/Qwen3.8-Flash-Next-NVFP4
model_revisionNot specified
runtime_execution_revisionNot specified
executed_image_digestNot specified
engineSGLang-derived Penny Royal
systemone RTX PRO 6000 Blackwell SM120, 96 GB; TP1
node_count1
parallelismTP1
weight_precisionModelOpt NVFP4 experts; optional online FP8 projections
kv_dtypeFP8
PLEhost RAM
context_limit_tokens524288
KV_pool_tokens824384
mamba_slots24
HiCache_NIXL_GiB32
FR_SpecTrue
temperatureNot specified
top_pNot specified
thinkingNot specified
repetitions1
experiment_date2026-09-11
recipe_releasev2.5.0
input_tokensNot specified
output_tokens1024
actual_output_tokens1024
cache_statepost-warmup context tests; exact C4 cache sharing unreported
workload128K C1 three-key retrieval
concurrency1
precision_optiononline FP8
input_length_source_label128K
metric_denominatorclient generation after first token, excluding TTFT
490K online FP8 C1 decode_rate · decode rate · conditions
Conditions for this result only
modelQwen3.8-Flash-Next
model_artifactRadixArk/Qwen3.8-Flash-Next-NVFP4
model_revisionNot specified
runtime_execution_revisionNot specified
executed_image_digestNot specified
engineSGLang-derived Penny Royal
systemone RTX PRO 6000 Blackwell SM120, 96 GB; TP1
node_count1
parallelismTP1
weight_precisionModelOpt NVFP4 experts; optional online FP8 projections
kv_dtypeFP8
PLEhost RAM
context_limit_tokens524288
KV_pool_tokens824384
mamba_slots24
HiCache_NIXL_GiB32
FR_SpecTrue
temperatureNot specified
top_pNot specified
thinkingNot specified
repetitions1
experiment_date2026-09-11
recipe_releasev2.5.0
input_tokensNot specified
output_tokens1024
actual_output_tokens1024
cache_statepost-warmup context tests; exact C4 cache sharing unreported
workload490K C1 three-key retrieval
concurrency1
precision_optiononline FP8
input_length_source_label490K
metric_denominatorclient generation after first token, excluding TTFT
490K online FP8 C1 ttft · ttft · conditions
Conditions for this result only
modelQwen3.8-Flash-Next
model_artifactRadixArk/Qwen3.8-Flash-Next-NVFP4
model_revisionNot specified
runtime_execution_revisionNot specified
executed_image_digestNot specified
engineSGLang-derived Penny Royal
systemone RTX PRO 6000 Blackwell SM120, 96 GB; TP1
node_count1
parallelismTP1
weight_precisionModelOpt NVFP4 experts; optional online FP8 projections
kv_dtypeFP8
PLEhost RAM
context_limit_tokens524288
KV_pool_tokens824384
mamba_slots24
HiCache_NIXL_GiB32
FR_SpecTrue
temperatureNot specified
top_pNot specified
thinkingNot specified
repetitions1
experiment_date2026-09-11
recipe_releasev2.5.0
input_tokensNot specified
output_tokens1024
actual_output_tokens1024
cache_statepost-warmup context tests; exact C4 cache sharing unreported
workload490K C1 three-key retrieval
concurrency1
precision_optiononline FP8
input_length_source_label490K
metric_denominatorclient generation after first token, excluding TTFT
Post-graph free VRAM · available GPU memory · conditions
Conditions for this result only
modelQwen3.8-Flash-Next
model_artifactRadixArk/Qwen3.8-Flash-Next-NVFP4
model_revisionNot specified
runtime_execution_revisionNot specified
executed_image_digestNot specified
engineSGLang-derived Penny Royal
systemone RTX PRO 6000 Blackwell SM120, 96 GB; TP1
node_count1
parallelismTP1
weight_precisionModelOpt NVFP4 experts; optional online FP8 projections
kv_dtypeFP8
PLEhost RAM
context_limit_tokens524288
KV_pool_tokens824384
mamba_slots24
HiCache_NIXL_GiB32
FR_SpecTrue
temperatureNot specified
top_pNot specified
thinkingNot specified
repetitions1
experiment_date2026-09-11
recipe_releasev2.5.0
input_tokensNot specified
output_tokensNot specified
actual_output_tokensNot specified
cache_statepost-warmup context tests; exact C4 cache sharing unreported
concurrencyNot specified
memory_kindpost_graph_available_not_peak_used
memory_cohortstartup
paired_long_text_batch_peakFalse
Media-window minimum free VRAM · available GPU memory · conditions
Conditions for this result only
modelQwen3.8-Flash-Next
model_artifactRadixArk/Qwen3.8-Flash-Next-NVFP4
model_revisionNot specified
runtime_execution_revisionNot specified
executed_image_digestNot specified
engineSGLang-derived Penny Royal
systemone RTX PRO 6000 Blackwell SM120, 96 GB; TP1
node_count1
parallelismTP1
weight_precisionModelOpt NVFP4 experts; optional online FP8 projections
kv_dtypeFP8
PLEhost RAM
context_limit_tokens524288
KV_pool_tokens824384
mamba_slots24
HiCache_NIXL_GiB32
FR_SpecTrue
temperatureNot specified
top_pNot specified
thinkingNot specified
repetitions1
experiment_date2026-09-11
recipe_releasev2.5.0
input_tokensNot specified
output_tokensNot specified
actual_output_tokensNot specified
cache_statepost-warmup context tests; exact C4 cache sharing unreported
concurrencyNot specified
memory_kindsampled_minimum_free_not_per_long_text_batch_peak
memory_cohortten selected GPU-media checks; ordinary/large JPEG, concurrent images and video history
paired_long_text_batch_peakFalse
3.0 cold 64K prefill_rate · prefill rate · conditions
Conditions for this result only
modelQwen3.8-Flash-Next
model_artifactOrcaRouter ModelOpt NVFP4 checkpoint; exact revision unreported here
model_revisionNot specified
runtime_execution_revision90b2b412e2bfd06f0ef3be1b41fbfbdee45bc14f
executed_image_digestNot specified
engineSGLang-derived Penny Royal
systemone RTX PRO 6000 Blackwell SM120, 96 GB; TP1
node_count1
parallelismTP1
weight_precisionModelOpt NVFP4 experts; optional online FP8 projections
kv_dtypeFP8
PLEhost RAM
context_limit_tokens524288
KV_pool_tokens1067072
mamba_slots36
HiCache_NIXL_GiB32
FR_SpecTrue
temperatureNot specified
top_pNot specified
thinkingNot specified
repetitions1
experiment_date2026-10-10
recipe_release3.0
input_tokens63921
output_tokensNot specified
actual_output_tokensNot specified
cache_state100% uncached prompt
accepted_public_coreb48b70f3f80494d78a778fd4d26958ede343075f
local_runtime_has_private_diagnosticsTrue
media_preprocessingA4000 sidecar; not an inference TP rank
concurrency1
metric_denominatornative mean input rate
3.0 cold 64K ttft · ttft · conditions
Conditions for this result only
modelQwen3.8-Flash-Next
model_artifactOrcaRouter ModelOpt NVFP4 checkpoint; exact revision unreported here
model_revisionNot specified
runtime_execution_revision90b2b412e2bfd06f0ef3be1b41fbfbdee45bc14f
executed_image_digestNot specified
engineSGLang-derived Penny Royal
systemone RTX PRO 6000 Blackwell SM120, 96 GB; TP1
node_count1
parallelismTP1
weight_precisionModelOpt NVFP4 experts; optional online FP8 projections
kv_dtypeFP8
PLEhost RAM
context_limit_tokens524288
KV_pool_tokens1067072
mamba_slots36
HiCache_NIXL_GiB32
FR_SpecTrue
temperatureNot specified
top_pNot specified
thinkingNot specified
repetitions1
experiment_date2026-10-10
recipe_release3.0
input_tokens63921
output_tokensNot specified
actual_output_tokensNot specified
cache_state100% uncached prompt
accepted_public_coreb48b70f3f80494d78a778fd4d26958ede343075f
local_runtime_has_private_diagnosticsTrue
media_preprocessingA4000 sidecar; not an inference TP rank
concurrency1
metric_denominatorclient first-token latency
3.0 cold 490K prefill_rate · prefill rate · conditions
Conditions for this result only
modelQwen3.8-Flash-Next
model_artifactOrcaRouter ModelOpt NVFP4 checkpoint; exact revision unreported here
model_revisionNot specified
runtime_execution_revision90b2b412e2bfd06f0ef3be1b41fbfbdee45bc14f
executed_image_digestNot specified
engineSGLang-derived Penny Royal
systemone RTX PRO 6000 Blackwell SM120, 96 GB; TP1
node_count1
parallelismTP1
weight_precisionModelOpt NVFP4 experts; optional online FP8 projections
kv_dtypeFP8
PLEhost RAM
context_limit_tokens524288
KV_pool_tokens1067072
mamba_slots36
HiCache_NIXL_GiB32
FR_SpecTrue
temperatureNot specified
top_pNot specified
thinkingNot specified
repetitions1
experiment_date2026-10-10
recipe_release3.0
input_tokens489915
output_tokensNot specified
actual_output_tokensNot specified
cache_state100% uncached prompt
accepted_public_coreb48b70f3f80494d78a778fd4d26958ede343075f
local_runtime_has_private_diagnosticsTrue
media_preprocessingA4000 sidecar; not an inference TP rank
concurrency1
metric_denominatornative mean input rate
3.0 cold 490K ttft · ttft · conditions
Conditions for this result only
modelQwen3.8-Flash-Next
model_artifactOrcaRouter ModelOpt NVFP4 checkpoint; exact revision unreported here
model_revisionNot specified
runtime_execution_revision90b2b412e2bfd06f0ef3be1b41fbfbdee45bc14f
executed_image_digestNot specified
engineSGLang-derived Penny Royal
systemone RTX PRO 6000 Blackwell SM120, 96 GB; TP1
node_count1
parallelismTP1
weight_precisionModelOpt NVFP4 experts; optional online FP8 projections
kv_dtypeFP8
PLEhost RAM
context_limit_tokens524288
KV_pool_tokens1067072
mamba_slots36
HiCache_NIXL_GiB32
FR_SpecTrue
temperatureNot specified
top_pNot specified
thinkingNot specified
repetitions1
experiment_date2026-10-10
recipe_release3.0
input_tokens489915
output_tokensNot specified
actual_output_tokensNot specified
cache_state100% uncached prompt
accepted_public_coreb48b70f3f80494d78a778fd4d26958ede343075f
local_runtime_has_private_diagnosticsTrue
media_preprocessingA4000 sidecar; not an inference TP rank
concurrency1
metric_denominatorclient first-token latency
3.0 short C1 native mean · native decode rate · conditions
Conditions for this result only
modelQwen3.8-Flash-Next
model_artifactOrcaRouter ModelOpt NVFP4 checkpoint; exact revision unreported here
model_revisionNot specified
runtime_execution_revision90b2b412e2bfd06f0ef3be1b41fbfbdee45bc14f
executed_image_digestNot specified
engineSGLang-derived Penny Royal
systemone RTX PRO 6000 Blackwell SM120, 96 GB; TP1
node_count1
parallelismTP1
weight_precisionModelOpt NVFP4 experts; optional online FP8 projections
kv_dtypeFP8
PLEhost RAM
context_limit_tokens524288
KV_pool_tokens1067072
mamba_slots36
HiCache_NIXL_GiB32
FR_SpecTrue
temperature0.8
top_p0.95
thinkingxhigh
repetitions3
experiment_date2026-10-10
recipe_release3.0
input_tokens128
output_tokens1024
actual_output_tokens1024
cache_stateregular warmed screens
accepted_public_coreb48b70f3f80494d78a778fd4d26958ede343075f
local_runtime_has_private_diagnosticsTrue
media_preprocessingA4000 sidecar; not an inference TP rank
concurrency1
top_k40
min_p0.05
metric_denominatorelapsed-weighted complete active native log intervals; excludes idle/prefill crossing and partial tail; aggregate if C4
3.0 short C4 native mean · native decode rate · conditions
Conditions for this result only
modelQwen3.8-Flash-Next
model_artifactOrcaRouter ModelOpt NVFP4 checkpoint; exact revision unreported here
model_revisionNot specified
runtime_execution_revision90b2b412e2bfd06f0ef3be1b41fbfbdee45bc14f
executed_image_digestNot specified
engineSGLang-derived Penny Royal
systemone RTX PRO 6000 Blackwell SM120, 96 GB; TP1
node_count1
parallelismTP1
weight_precisionModelOpt NVFP4 experts; optional online FP8 projections
kv_dtypeFP8
PLEhost RAM
context_limit_tokens524288
KV_pool_tokens1067072
mamba_slots36
HiCache_NIXL_GiB32
FR_SpecTrue
temperature0.8
top_p0.95
thinkingxhigh
repetitions3
experiment_date2026-10-10
recipe_release3.0
input_tokens128
output_tokens1024
actual_output_tokens1024
cache_stateregular warmed screens
accepted_public_coreb48b70f3f80494d78a778fd4d26958ede343075f
local_runtime_has_private_diagnosticsTrue
media_preprocessingA4000 sidecar; not an inference TP rank
concurrency4
top_k40
min_p0.05
metric_denominatorelapsed-weighted complete active native log intervals; excludes idle/prefill crossing and partial tail; aggregate if C4

Local Spark Qwen writing draft; Codex source audit and rewrite. No site model benchmark.

Key reading notes

Source identity and full condition receipt

Source identity

Attribution and exact source identity
Original publisherjpezzulli
Reference typePerformance report
Model IDRadixArk/Qwen3.8-Flash-Next-NVFP4
Default recipe artifactRadixArk/Qwen3.8-Flash-Next-NVFP4
Runtime topics["SGLang", "vLLM"]
Source revisionca9be12f9be920e916d02954a41702a981b18823
Source commit date — not experiment date2026-10-17T16:41:23Z
Source checked2026-10-18
Declared licenseNot specified

Reported conditions

Unknown fields remain unspecified; context limits and measured input lengths are different
systemone RTX PRO 6000 Blackwell SM120, 96 GB; TP1
node_count1
parallelismTP1
kv_dtypeFP8
context_limit_tokens524288
experiment_date2026-09-11
model_revisionNot specified
weight_hashNot specified
runtime_execution_revisionNot specified
input_tokensNot specified
output_tokensNot specified
concurrencyNot specified
cache_stateNot specified
quantizationNot specified
speculative_decodingNot specified
temperatureNot specified
top_pNot specified

128K C4 option off

Conditions of this profile only
modelQwen3.8-Flash-Next
model_artifactRadixArk/Qwen3.8-Flash-Next-NVFP4
model_revisionNot specified
runtime_execution_revisionNot specified
executed_image_digestNot specified
engineSGLang-derived Penny Royal
systemone RTX PRO 6000 Blackwell SM120, 96 GB; TP1
node_count1
parallelismTP1
weight_precisionModelOpt NVFP4 experts; optional online FP8 projections
kv_dtypeFP8
PLEhost RAM
context_limit_tokens524288
KV_pool_tokens824384
mamba_slots24
HiCache_NIXL_GiB32
FR_SpecTrue
temperatureNot specified
top_pNot specified
thinkingNot specified
repetitions1
experiment_date2026-09-11
recipe_releasev2.5.0
input_tokensNot specified
output_tokensNot specified
actual_output_tokensNot specified
cache_statepost-warmup context tests; exact C4 cache sharing unreported
workload128K four-request three-key retrieval
input_length_source_label128K
concurrency4
precision_optionoption off
actual_output_tokens_group15725
group_wall_seconds42.833
requested_output_cap_per_request4096
finish_reasons["stop", "length"]
all_four_overlap_secondsNot specified
metric_denominatorall group output tokens / synchronized group makespan including TTFT
all_responses_three_keys_exactTrue
all_four_full_distinct_prefixes_provenFalse
Original experiment section

128K C4 online FP8

Conditions of this profile only
modelQwen3.8-Flash-Next
model_artifactRadixArk/Qwen3.8-Flash-Next-NVFP4
model_revisionNot specified
runtime_execution_revisionNot specified
executed_image_digestNot specified
engineSGLang-derived Penny Royal
systemone RTX PRO 6000 Blackwell SM120, 96 GB; TP1
node_count1
parallelismTP1
weight_precisionModelOpt NVFP4 experts; optional online FP8 projections
kv_dtypeFP8
PLEhost RAM
context_limit_tokens524288
KV_pool_tokens824384
mamba_slots24
HiCache_NIXL_GiB32
FR_SpecTrue
temperatureNot specified
top_pNot specified
thinkingNot specified
repetitions1
experiment_date2026-09-11
recipe_releasev2.5.0
input_tokensNot specified
output_tokensNot specified
actual_output_tokensNot specified
cache_statepost-warmup context tests; exact C4 cache sharing unreported
workload128K four-request three-key retrieval
input_length_source_label128K
concurrency4
precision_optiononline FP8
actual_output_tokens_group15898
group_wall_seconds37.67
requested_output_cap_per_request4096
finish_reasons["stop", "length"]
all_four_overlap_seconds30.152
metric_denominatorall group output tokens / synchronized group makespan including TTFT
all_responses_three_keys_exactTrue
all_four_full_distinct_prefixes_provenFalse
Original experiment section

490K C4 option off

Conditions of this profile only
modelQwen3.8-Flash-Next
model_artifactRadixArk/Qwen3.8-Flash-Next-NVFP4
model_revisionNot specified
runtime_execution_revisionNot specified
executed_image_digestNot specified
engineSGLang-derived Penny Royal
systemone RTX PRO 6000 Blackwell SM120, 96 GB; TP1
node_count1
parallelismTP1
weight_precisionModelOpt NVFP4 experts; optional online FP8 projections
kv_dtypeFP8
PLEhost RAM
context_limit_tokens524288
KV_pool_tokens824384
mamba_slots24
HiCache_NIXL_GiB32
FR_SpecTrue
temperatureNot specified
top_pNot specified
thinkingNot specified
repetitions1
experiment_date2026-09-11
recipe_releasev2.5.0
input_tokensNot specified
output_tokensNot specified
actual_output_tokensNot specified
cache_statepost-warmup context tests; exact C4 cache sharing unreported
workload490K four-request three-key retrieval
input_length_source_label490K
concurrency4
precision_optionoption off
actual_output_tokens_group15455
group_wall_seconds65.3
requested_output_cap_per_request4096
finish_reasons["stop", "length"]
all_four_overlap_secondsNot specified
metric_denominatorall group output tokens / synchronized group makespan including TTFT
all_responses_three_keys_exactTrue
all_four_full_distinct_prefixes_provenFalse
Original experiment section

490K C4 online FP8

Conditions of this profile only
modelQwen3.8-Flash-Next
model_artifactRadixArk/Qwen3.8-Flash-Next-NVFP4
model_revisionNot specified
runtime_execution_revisionNot specified
executed_image_digestNot specified
engineSGLang-derived Penny Royal
systemone RTX PRO 6000 Blackwell SM120, 96 GB; TP1
node_count1
parallelismTP1
weight_precisionModelOpt NVFP4 experts; optional online FP8 projections
kv_dtypeFP8
PLEhost RAM
context_limit_tokens524288
KV_pool_tokens824384
mamba_slots24
HiCache_NIXL_GiB32
FR_SpecTrue
temperatureNot specified
top_pNot specified
thinkingNot specified
repetitions1
experiment_date2026-09-11
recipe_releasev2.5.0
input_tokensNot specified
output_tokensNot specified
actual_output_tokensNot specified
cache_statepost-warmup context tests; exact C4 cache sharing unreported
workload490K four-request three-key retrieval
input_length_source_label490K
concurrency4
precision_optiononline FP8
actual_output_tokens_group15127
group_wall_seconds45.977
requested_output_cap_per_request4096
finish_reasons["stop", "length"]
all_four_overlap_seconds24.85
metric_denominatorall group output tokens / synchronized group makespan including TTFT
all_responses_three_keys_exactTrue
all_four_full_distinct_prefixes_provenFalse
Original experiment section

128K online FP8 C1 decode_rate

Conditions of this profile only
modelQwen3.8-Flash-Next
model_artifactRadixArk/Qwen3.8-Flash-Next-NVFP4
model_revisionNot specified
runtime_execution_revisionNot specified
executed_image_digestNot specified
engineSGLang-derived Penny Royal
systemone RTX PRO 6000 Blackwell SM120, 96 GB; TP1
node_count1
parallelismTP1
weight_precisionModelOpt NVFP4 experts; optional online FP8 projections
kv_dtypeFP8
PLEhost RAM
context_limit_tokens524288
KV_pool_tokens824384
mamba_slots24
HiCache_NIXL_GiB32
FR_SpecTrue
temperatureNot specified
top_pNot specified
thinkingNot specified
repetitions1
experiment_date2026-09-11
recipe_releasev2.5.0
input_tokensNot specified
output_tokens1024
actual_output_tokens1024
cache_statepost-warmup context tests; exact C4 cache sharing unreported
workload128K C1 three-key retrieval
concurrency1
precision_optiononline FP8
input_length_source_label128K
metric_denominatorclient generation after first token, excluding TTFT
Original experiment section

128K online FP8 C1 ttft

Conditions of this profile only
modelQwen3.8-Flash-Next
model_artifactRadixArk/Qwen3.8-Flash-Next-NVFP4
model_revisionNot specified
runtime_execution_revisionNot specified
executed_image_digestNot specified
engineSGLang-derived Penny Royal
systemone RTX PRO 6000 Blackwell SM120, 96 GB; TP1
node_count1
parallelismTP1
weight_precisionModelOpt NVFP4 experts; optional online FP8 projections
kv_dtypeFP8
PLEhost RAM
context_limit_tokens524288
KV_pool_tokens824384
mamba_slots24
HiCache_NIXL_GiB32
FR_SpecTrue
temperatureNot specified
top_pNot specified
thinkingNot specified
repetitions1
experiment_date2026-09-11
recipe_releasev2.5.0
input_tokensNot specified
output_tokens1024
actual_output_tokens1024
cache_statepost-warmup context tests; exact C4 cache sharing unreported
workload128K C1 three-key retrieval
concurrency1
precision_optiononline FP8
input_length_source_label128K
metric_denominatorclient generation after first token, excluding TTFT
Original experiment section

490K online FP8 C1 decode_rate

Conditions of this profile only
modelQwen3.8-Flash-Next
model_artifactRadixArk/Qwen3.8-Flash-Next-NVFP4
model_revisionNot specified
runtime_execution_revisionNot specified
executed_image_digestNot specified
engineSGLang-derived Penny Royal
systemone RTX PRO 6000 Blackwell SM120, 96 GB; TP1
node_count1
parallelismTP1
weight_precisionModelOpt NVFP4 experts; optional online FP8 projections
kv_dtypeFP8
PLEhost RAM
context_limit_tokens524288
KV_pool_tokens824384
mamba_slots24
HiCache_NIXL_GiB32
FR_SpecTrue
temperatureNot specified
top_pNot specified
thinkingNot specified
repetitions1
experiment_date2026-09-11
recipe_releasev2.5.0
input_tokensNot specified
output_tokens1024
actual_output_tokens1024
cache_statepost-warmup context tests; exact C4 cache sharing unreported
workload490K C1 three-key retrieval
concurrency1
precision_optiononline FP8
input_length_source_label490K
metric_denominatorclient generation after first token, excluding TTFT
Original experiment section

490K online FP8 C1 ttft

Conditions of this profile only
modelQwen3.8-Flash-Next
model_artifactRadixArk/Qwen3.8-Flash-Next-NVFP4
model_revisionNot specified
runtime_execution_revisionNot specified
executed_image_digestNot specified
engineSGLang-derived Penny Royal
systemone RTX PRO 6000 Blackwell SM120, 96 GB; TP1
node_count1
parallelismTP1
weight_precisionModelOpt NVFP4 experts; optional online FP8 projections
kv_dtypeFP8
PLEhost RAM
context_limit_tokens524288
KV_pool_tokens824384
mamba_slots24
HiCache_NIXL_GiB32
FR_SpecTrue
temperatureNot specified
top_pNot specified
thinkingNot specified
repetitions1
experiment_date2026-09-11
recipe_releasev2.5.0
input_tokensNot specified
output_tokens1024
actual_output_tokens1024
cache_statepost-warmup context tests; exact C4 cache sharing unreported
workload490K C1 three-key retrieval
concurrency1
precision_optiononline FP8
input_length_source_label490K
metric_denominatorclient generation after first token, excluding TTFT
Original experiment section

Post-graph free VRAM

Conditions of this profile only
modelQwen3.8-Flash-Next
model_artifactRadixArk/Qwen3.8-Flash-Next-NVFP4
model_revisionNot specified
runtime_execution_revisionNot specified
executed_image_digestNot specified
engineSGLang-derived Penny Royal
systemone RTX PRO 6000 Blackwell SM120, 96 GB; TP1
node_count1
parallelismTP1
weight_precisionModelOpt NVFP4 experts; optional online FP8 projections
kv_dtypeFP8
PLEhost RAM
context_limit_tokens524288
KV_pool_tokens824384
mamba_slots24
HiCache_NIXL_GiB32
FR_SpecTrue
temperatureNot specified
top_pNot specified
thinkingNot specified
repetitions1
experiment_date2026-09-11
recipe_releasev2.5.0
input_tokensNot specified
output_tokensNot specified
actual_output_tokensNot specified
cache_statepost-warmup context tests; exact C4 cache sharing unreported
concurrencyNot specified
memory_kindpost_graph_available_not_peak_used
memory_cohortstartup
paired_long_text_batch_peakFalse
Original experiment section

Media-window minimum free VRAM

Conditions of this profile only
modelQwen3.8-Flash-Next
model_artifactRadixArk/Qwen3.8-Flash-Next-NVFP4
model_revisionNot specified
runtime_execution_revisionNot specified
executed_image_digestNot specified
engineSGLang-derived Penny Royal
systemone RTX PRO 6000 Blackwell SM120, 96 GB; TP1
node_count1
parallelismTP1
weight_precisionModelOpt NVFP4 experts; optional online FP8 projections
kv_dtypeFP8
PLEhost RAM
context_limit_tokens524288
KV_pool_tokens824384
mamba_slots24
HiCache_NIXL_GiB32
FR_SpecTrue
temperatureNot specified
top_pNot specified
thinkingNot specified
repetitions1
experiment_date2026-09-11
recipe_releasev2.5.0
input_tokensNot specified
output_tokensNot specified
actual_output_tokensNot specified
cache_statepost-warmup context tests; exact C4 cache sharing unreported
concurrencyNot specified
memory_kindsampled_minimum_free_not_per_long_text_batch_peak
memory_cohortten selected GPU-media checks; ordinary/large JPEG, concurrent images and video history
paired_long_text_batch_peakFalse
Original experiment section

3.0 cold 64K prefill_rate

Conditions of this profile only
modelQwen3.8-Flash-Next
model_artifactOrcaRouter ModelOpt NVFP4 checkpoint; exact revision unreported here
model_revisionNot specified
runtime_execution_revision90b2b412e2bfd06f0ef3be1b41fbfbdee45bc14f
executed_image_digestNot specified
engineSGLang-derived Penny Royal
systemone RTX PRO 6000 Blackwell SM120, 96 GB; TP1
node_count1
parallelismTP1
weight_precisionModelOpt NVFP4 experts; optional online FP8 projections
kv_dtypeFP8
PLEhost RAM
context_limit_tokens524288
KV_pool_tokens1067072
mamba_slots36
HiCache_NIXL_GiB32
FR_SpecTrue
temperatureNot specified
top_pNot specified
thinkingNot specified
repetitions1
experiment_date2026-10-10
recipe_release3.0
input_tokens63921
output_tokensNot specified
actual_output_tokensNot specified
cache_state100% uncached prompt
accepted_public_coreb48b70f3f80494d78a778fd4d26958ede343075f
local_runtime_has_private_diagnosticsTrue
media_preprocessingA4000 sidecar; not an inference TP rank
concurrency1
metric_denominatornative mean input rate
Original experiment section

3.0 cold 64K ttft

Conditions of this profile only
modelQwen3.8-Flash-Next
model_artifactOrcaRouter ModelOpt NVFP4 checkpoint; exact revision unreported here
model_revisionNot specified
runtime_execution_revision90b2b412e2bfd06f0ef3be1b41fbfbdee45bc14f
executed_image_digestNot specified
engineSGLang-derived Penny Royal
systemone RTX PRO 6000 Blackwell SM120, 96 GB; TP1
node_count1
parallelismTP1
weight_precisionModelOpt NVFP4 experts; optional online FP8 projections
kv_dtypeFP8
PLEhost RAM
context_limit_tokens524288
KV_pool_tokens1067072
mamba_slots36
HiCache_NIXL_GiB32
FR_SpecTrue
temperatureNot specified
top_pNot specified
thinkingNot specified
repetitions1
experiment_date2026-10-10
recipe_release3.0
input_tokens63921
output_tokensNot specified
actual_output_tokensNot specified
cache_state100% uncached prompt
accepted_public_coreb48b70f3f80494d78a778fd4d26958ede343075f
local_runtime_has_private_diagnosticsTrue
media_preprocessingA4000 sidecar; not an inference TP rank
concurrency1
metric_denominatorclient first-token latency
Original experiment section

3.0 cold 490K prefill_rate

Conditions of this profile only
modelQwen3.8-Flash-Next
model_artifactOrcaRouter ModelOpt NVFP4 checkpoint; exact revision unreported here
model_revisionNot specified
runtime_execution_revision90b2b412e2bfd06f0ef3be1b41fbfbdee45bc14f
executed_image_digestNot specified
engineSGLang-derived Penny Royal
systemone RTX PRO 6000 Blackwell SM120, 96 GB; TP1
node_count1
parallelismTP1
weight_precisionModelOpt NVFP4 experts; optional online FP8 projections
kv_dtypeFP8
PLEhost RAM
context_limit_tokens524288
KV_pool_tokens1067072
mamba_slots36
HiCache_NIXL_GiB32
FR_SpecTrue
temperatureNot specified
top_pNot specified
thinkingNot specified
repetitions1
experiment_date2026-10-10
recipe_release3.0
input_tokens489915
output_tokensNot specified
actual_output_tokensNot specified
cache_state100% uncached prompt
accepted_public_coreb48b70f3f80494d78a778fd4d26958ede343075f
local_runtime_has_private_diagnosticsTrue
media_preprocessingA4000 sidecar; not an inference TP rank
concurrency1
metric_denominatornative mean input rate
Original experiment section

3.0 cold 490K ttft

Conditions of this profile only
modelQwen3.8-Flash-Next
model_artifactOrcaRouter ModelOpt NVFP4 checkpoint; exact revision unreported here
model_revisionNot specified
runtime_execution_revision90b2b412e2bfd06f0ef3be1b41fbfbdee45bc14f
executed_image_digestNot specified
engineSGLang-derived Penny Royal
systemone RTX PRO 6000 Blackwell SM120, 96 GB; TP1
node_count1
parallelismTP1
weight_precisionModelOpt NVFP4 experts; optional online FP8 projections
kv_dtypeFP8
PLEhost RAM
context_limit_tokens524288
KV_pool_tokens1067072
mamba_slots36
HiCache_NIXL_GiB32
FR_SpecTrue
temperatureNot specified
top_pNot specified
thinkingNot specified
repetitions1
experiment_date2026-10-10
recipe_release3.0
input_tokens489915
output_tokensNot specified
actual_output_tokensNot specified
cache_state100% uncached prompt
accepted_public_coreb48b70f3f80494d78a778fd4d26958ede343075f
local_runtime_has_private_diagnosticsTrue
media_preprocessingA4000 sidecar; not an inference TP rank
concurrency1
metric_denominatorclient first-token latency
Original experiment section

3.0 short C1 native mean

Conditions of this profile only
modelQwen3.8-Flash-Next
model_artifactOrcaRouter ModelOpt NVFP4 checkpoint; exact revision unreported here
model_revisionNot specified
runtime_execution_revision90b2b412e2bfd06f0ef3be1b41fbfbdee45bc14f
executed_image_digestNot specified
engineSGLang-derived Penny Royal
systemone RTX PRO 6000 Blackwell SM120, 96 GB; TP1
node_count1
parallelismTP1
weight_precisionModelOpt NVFP4 experts; optional online FP8 projections
kv_dtypeFP8
PLEhost RAM
context_limit_tokens524288
KV_pool_tokens1067072
mamba_slots36
HiCache_NIXL_GiB32
FR_SpecTrue
temperature0.8
top_p0.95
thinkingxhigh
repetitions3
experiment_date2026-10-10
recipe_release3.0
input_tokens128
output_tokens1024
actual_output_tokens1024
cache_stateregular warmed screens
accepted_public_coreb48b70f3f80494d78a778fd4d26958ede343075f
local_runtime_has_private_diagnosticsTrue
media_preprocessingA4000 sidecar; not an inference TP rank
concurrency1
top_k40
min_p0.05
metric_denominatorelapsed-weighted complete active native log intervals; excludes idle/prefill crossing and partial tail; aggregate if C4
Original experiment section

3.0 short C4 native mean

Conditions of this profile only
modelQwen3.8-Flash-Next
model_artifactOrcaRouter ModelOpt NVFP4 checkpoint; exact revision unreported here
model_revisionNot specified
runtime_execution_revision90b2b412e2bfd06f0ef3be1b41fbfbdee45bc14f
executed_image_digestNot specified
engineSGLang-derived Penny Royal
systemone RTX PRO 6000 Blackwell SM120, 96 GB; TP1
node_count1
parallelismTP1
weight_precisionModelOpt NVFP4 experts; optional online FP8 projections
kv_dtypeFP8
PLEhost RAM
context_limit_tokens524288
KV_pool_tokens1067072
mamba_slots36
HiCache_NIXL_GiB32
FR_SpecTrue
temperature0.8
top_p0.95
thinkingxhigh
repetitions3
experiment_date2026-10-10
recipe_release3.0
input_tokens128
output_tokens1024
actual_output_tokens1024
cache_stateregular warmed screens
accepted_public_coreb48b70f3f80494d78a778fd4d26958ede343075f
local_runtime_has_private_diagnosticsTrue
media_preprocessingA4000 sidecar; not an inference TP rank
concurrency4
top_k40
min_p0.05
metric_denominatorelapsed-weighted complete active native log intervals; excludes idle/prefill crossing and partial tail; aggregate if C4
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

Attribution and finite factual interpretation only; models and dependencies retain their own terms.

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.

Related references — check the checkpoint