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GQA paged decode h32 kv4 d128 ps1

600 eligible runs
gqa-paged-attention

Batched Grouped Query Attention decode with a paged KV cache. Captured from Qwen3-30B-A3B.

Fastest reported
12.9µsmean · 94% of SOL
Amir M. Mir | SF TensorLicense unknown · unknown

Reported evidence · last observed 2026-08-21. Reported by source; not independently reproduced. No public source. License unknown.

No public sourceRun detail →

Current records

Workloadsuite of 48 cases · mean latency96 cases
num_kv_indices
num_pages
batch_size
len_indptr
head_dim
num_kv_heads
num_qo_heads
page_size
dtype
21712————bf16217121284321bf167812————bf1678121284321bf1691012————bf16910121284321bf16111212————bf161112121284321bf16141512————bf161415121284321bf16405712————bf164057121284321bf16506712————bf165067121284321bf16648112————bf166481121284321bf1672931712————bf16729317121284321bf1687933212————bf16879332121284321bf16102934712————bf161029347121284321bf1614119112————bf16141191121284321bf1625230212————bf16252302121284321bf1636241212————bf16362412121284321bf1643648612————bf16436486121284321bf1654659612————bf16546596121284321bf16102010701617————bf161020107016171284321bf16210821581617————bf162108215816171284321bf16319632461617————bf163196324616171284321bf16428443341617————bf164284433416171284321bf16537254221617————bf165372542216171284321bf16646065101617————bf166460651016171284321bf16754875981617————bf167548759816171284321bf16863686861617————bf168636868616171284321bf1615463247321617————bf16154632473216171284321bf1616551258201617————bf16165512582016171284321bf1617639269081617————bf16176392690816171284321bf1618727279961617————bf16187272799616171284321bf1619815290841617————bf16198152908416171284321bf1620903301721617————bf16209033017216171284321bf1621991312601617————bf16219913126016171284321bf1623079323481617————bf16230793234816171284321bf1628815288316465————bf16288152883164651284321bf1630991310076465————bf16309913100764651284321bf1633167331836465————bf16331673318364651284321bf1635343353596465————bf16353433535964651284321bf1637519375356465————bf16375193753564651284321bf1639695397116465————bf16396953971164651284321bf1641871418876465————bf16418714188764651284321bf1644047440636465————bf16440474406364651284321bf1646287463036465————bf16462874630364651284321bf1648463484796465————bf16484634847964651284321bf1650639506556465————bf16506395065564651284321bf1652815528316465————bf16528155283164651284321bf1654991550076465————bf16549915500764651284321bf1657167571836465————bf16571675718364651284321bf1659343593596465————bf16593435935964651284321bf1661519615356465————bf16615196153564651284321bf16
scrolls · 96 cases total

Not measured on H100 for this workload. Challenges →

Source-native comparison · GPU NVIDIA B200 · Workload suite of 48 cases · mean latency · Protocol SOL-ExecBench evaluation stack v1.1 · mean · 38 results · last observed 2026-08-21Record history →
#
Implementation
Latency
vs #1
Trust
Observed
1
12.9µs94% SOL
1.00×
Reported · license unknown · no source
2026-08-21

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
2
13.0µs94% SOL
1.00×
Reported · license unknown · no source
2026-08-13

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
3
13.7µs93% SOL
1.06×
Reported · license unknown · no source
2026-08-09

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
4
13.8µs93% SOL
1.07×
Reported · license unknown · no source
2026-08-03

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
5
14.7µs93% SOL
1.14×
Reported · license unknown · no source
2026-07-26

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
6
15.3µs93% SOL
1.18×
Reported · license unknown · no source
2026-07-10

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
7
15.7µs92% SOL
1.22×
Reported · license unknown · no source
2026-07-29

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
8
16.2µs92% SOL
1.25×
Reported · license unknown · no source
2026-07-10

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
9
16.3µs92% SOL
1.26×
Reported · license unknown · no source
2026-07-10

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
10
16.5µs92% SOL
1.28×
Reported · license unknown · no source
2026-07-30

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
11
17.0µs91% SOL
1.31×
Reported · license unknown · no source
2026-07-21

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
12
17.4µs90% SOL
1.35×
Reported · license unknown · no source
2026-08-02

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
13
17.6µs90% SOL
1.36×
Reported · license unknown · no source
2026-08-01

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
14
18.4µs90% SOL
1.42×
Reported · license unknown · no source
2026-08-04

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
15
18.5µs90% SOL
1.43×
Reported · license unknown · no source
2026-07-18

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
16
18.5µs91% SOL
1.43×
Reported · license unknown · no source
2026-08-21

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
17
18.6µs90% SOL
1.44×
Reported · license unknown · no source
2026-07-31

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
18
18.7µs90% SOL
1.44×
Reported · license unknown · no source
2026-07-10

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
19
18.8µs89% SOL
1.45×
Reported · license unknown · no source
2026-08-02

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
20
18.8µs89% SOL
1.45×
Reported · license unknown · no source
2026-08-04

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
21
18.9µs89% SOL
1.46×
Reported · license unknown · no source
2026-07-31

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
22
18.9µs89% SOL
1.46×
Reported · license unknown · no source
2026-07-31

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
23
19.0µs90% SOL
1.47×
Reported · license unknown · no source
2026-07-10

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
24
19.2µs91% SOL
1.48×
Reported · license unknown · no source
2026-07-16

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
25
19.3µs89% SOL
1.49×
Reported · license unknown · no source
2026-07-30

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
26
19.5µs89% SOL
1.51×
Reported · license unknown · no source
2026-08-01

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
27
19.6µs89% SOL
1.52×
Reported · license unknown · no source
2026-07-30

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
28
19.7µs89% SOL
1.52×
Reported · license unknown · no source
2026-07-29

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
29
26.9µs85% SOL
2.08×
Reported · license unknown · no source
2026-07-29

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
30
28.8µs83% SOL
2.23×
Reported · license unknown · no source
2026-07-10

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
31
38.3µs79% SOL
2.96×
Reported · license unknown · no source
2026-07-30

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
32
39.9µs79% SOL
3.08×
Reported · license unknown · no source
2026-07-21

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
33
42.7µs77% SOL
3.30×
Reported · license unknown · no source
2026-07-19

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
34
42.9µs77% SOL
3.31×
Reported · license unknown · no source
2026-07-15

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
35
44.8µs76% SOL
3.46×
Reported · license unknown · no source
2026-07-10

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
36
114.1µs58% SOL
8.81×
Reported · license unknown · no source
2026-07-10

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
37
281.1µs42% SOL
21.71×
Reported · license unknown · no source
2026-08-21

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
38
1.93ms12% SOL
149.26×
Reported · license unknown · no source
2026-07-30

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →

Implementations

Implementation
Runtime
Best latency
Evidence
Availability
unknown
13.0µs
1.58×
Reported
license unknown · no source
unknown
13.7µs
1.68×
Reported
license unknown · no source
unknown
13.8µs
1.69×
Reported
license unknown · no source
unknown
12.9µs
1.58×
Reported
license unknown · no source
unknown
14.0µs
1.71×
Reported
license unknown · no source
unknown
14.0µs
1.71×
Reported
license unknown · no source
unknown
14.9µs
1.82×
Reported
license unknown · no source
unknown
15.7µs
1.92×
Reported
license unknown · no source
Show all 62 implementations ›
unknown
16.5µs
2.02×
Reported
license unknown · no source
unknown
17.9µs
2.18×
Reported
license unknown · no source
unknown
19.2µs
2.35×
Reported
license unknown · no source
unknown
18.5µs
2.25×
Reported
license unknown · no source
unknown
26.9µs
3.28×
Reported
license unknown · no source
unknown
28.4µs
3.46×
Reported
license unknown · no source
unknown
38.3µs
4.68×
Reported
license unknown · no source
unknown
113.3µs
13.83×
Reported
license unknown · no source
unknown
1.93ms
235.92×
Reported
license unknown · no source
unknown
14.7µs
1.80×
Reported
license unknown · no source
unknown
15.3µs
1.86×
Reported
license unknown · no source
unknown
16.2µs
1.98×
Reported
license unknown · no source
unknown
16.3µs
1.99×
Reported
license unknown · no source
unknown
17.0µs
2.07×
Reported
license unknown · no source
unknown
18.5µs
2.25×
Reported
license unknown · no source
unknown
18.2µs
2.23×
Reported
license unknown · no source
unknown
19.2µs
2.35×
Reported
license unknown · no source
unknown
17.4µs
2.13×
Reported
license unknown · no source
unknown
17.6µs
2.15×
Reported
license unknown · no source
unknown
18.7µs
2.28×
Reported
license unknown · no source
unknown
19.0µs
2.32×
Reported
license unknown · no source
unknown
19.2µs
2.35×
Reported
license unknown · no source
unknown
18.4µs
2.24×
Reported
license unknown · no source
unknown
18.6µs
2.27×
Reported
license unknown · no source
unknown
18.9µs
2.31×
Reported
license unknown · no source
unknown
18.9µs
2.31×
Reported
license unknown · no source
unknown
18.8µs
2.29×
Reported
license unknown · no source
unknown
18.8µs
2.29×
Reported
license unknown · no source
unknown
19.3µs
2.35×
Reported
license unknown · no source
unknown
19.5µs
2.38×
Reported
license unknown · no source
unknown
19.6µs
2.40×
Reported
license unknown · no source
unknown
19.7µs
2.41×
Reported
license unknown · no source
unknown
28.8µs
3.52×
Reported
license unknown · no source
unknown
29.8µs
3.64×
Reported
license unknown · no source
unknown
32.8µs
4.01×
Reported
license unknown · no source
unknown
39.9µs
4.87×
Reported
license unknown · no source
unknown
45.8µs
5.59×
Reported
license unknown · no source
unknown
42.7µs
5.21×
Reported
license unknown · no source
unknown
42.9µs
5.24×
Reported
license unknown · no source
unknown
44.8µs
5.46×
Reported
license unknown · no source
unknown
44.8µs
5.47×
Reported
license unknown · no source
unknown
52.0µs
6.34×
Reported
license unknown · no source
unknown
114.1µs
13.93×
Reported
license unknown · no source
unknown
124.3µs
15.18×
Reported
license unknown · no source
unknown
281.1µs
34.31×
Reported
license unknown · no source
claude-opus-4-1 / cuda4bd468claude-opus-4-1-20250805
cuda
—
—
Apache-2.0 · source
claude-opus-4-1 / tritonde54a2claude-opus-4-1-20250805
triton
17.5µs
2.13×
Reproduction-ready
Apache-2.0 · source
cuda
—
—
Apache-2.0 · source
triton
64.9µs
7.92×
Reported
Apache-2.0 · source
gpt-5 / cuda00b2ddgpt-5-2025-08-07
cuda
30.7µs
3.74×
Reproduction-ready
Apache-2.0 · source
gpt-5_triton_f88811gpt-5-2025-08-07
triton
57.1µs
6.97×
Reproduction-ready
Apache-2.0 · source
cuda
13.3µs
1.62×
Reproduction-ready
Apache-2.0 · source
triton
86.6µs
10.57×
Reproduction-ready
Apache-2.0 · source
flashinfer / wrapper78fd04FlashInfer-Bench baselines
python
8.19µs
1.00×
Reproduction-ready
Apache-2.0 · source

Semantics

Inputs and outputs
qbf16 [batch_size, num_qo_heads, head_dim]
k_cachebf16 [num_pages, page_size, num_kv_heads, head_dim]
v_cachebf16 [num_pages, page_size, num_kv_heads, head_dim]
kv_indptrint32 [len_indptr]
kv_indicesint32 [num_kv_indices]
sm_scalefp32 scalar
outputbf16 [batch_size, num_qo_heads, head_dim]
lsefp32 [batch_size, num_qo_heads]
Axes and behavior
head_dimconstant = 128
num_pagesvariable
page_sizeconstant = 1
batch_sizevariable
len_indptrvariable
num_kv_headsconstant = 4
num_qo_headsconstant = 32
num_kv_indicesvariable
determinismunspecified
constraintsNo mutation or aliasing
Identity
aliasgqa_paged_decode_h32_kv4_d128_ps1modelqwen3-30b-a3bsha256aa3e71334e9e…

Also indexed as 012-gqa-paged-decode-h32-kv4-d128-ps1 · reviewed as the same computation; every definition's cohorts are shown here, ranked separately.

Sources: FlashInfer-Bench (2026-03-28) · Apache-2.0 · NVIDIA SOL-ExecBench (2026-08-21)last observed 2026-08-21How records are decidedJSON