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FP8 Mamba2 in projection

34 eligible runs
quantization

FP8-quantized input projection for Mamba2 mixer. Projects hidden states from hidden_size (2688) to a large combined dimension (13952, padded from 13856 to be multiple of 128) for gated MLP branches, gate, convolution input, and delta/dt. Uses BlockWise1x128 scaling for activations and BlockWise128x128 scaling for weights.

Fastest reported
128.4µsmean · 75% of SOL
RIAC as wellLicense 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 16 cases · mean latencyhidden_size = 2688 · projection_size = 1395216 cases

Not measured on H100 for this workload. Challenges →

Source-native comparison · GPU NVIDIA B200 · Workload suite of 16 cases · mean latency · Protocol SOL-ExecBench evaluation stack v1.1 · mean · 28 results · last observed 2026-08-21Record history →
#
Implementation
Latency
vs #1
Trust
Observed
1
128.4µs75% 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
146.6µs71% SOL
1.14×
Reported · license unknown · no source
2026-08-19

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

no sourcelicense unknownno install recipeRun detail →
3
156.8µs69% SOL
1.22×
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 →
4
174.6µs65% SOL
1.36×
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 →
5
181.3µs64% SOL
1.41×
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 →
6
182.4µs64% SOL
1.42×
Reported · license unknown · no source
2026-08-14

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

no sourcelicense unknownno install recipeRun detail →
7
182.5µs64% SOL
1.42×
Reported · license unknown · no source
2026-08-14

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

no sourcelicense unknownno install recipeRun detail →
8
182.5µs64% SOL
1.42×
Reported · license unknown · no source
2026-08-14

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

no sourcelicense unknownno install recipeRun detail →
9
185.0µs63% 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 →
10
185.9µs63% SOL
1.45×
Reported · license unknown · no source
2026-08-17

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

no sourcelicense unknownno install recipeRun detail →
11
187.2µs63% SOL
1.46×
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
187.5µs63% SOL
1.46×
Reported · license unknown · no source
2026-08-19

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

no sourcelicense unknownno install recipeRun detail →
13
188.4µs63% SOL
1.47×
Reported · license unknown · no source
2026-08-11

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

no sourcelicense unknownno install recipeRun detail →
14
188.7µs63% SOL
1.47×
Reported · license unknown · no source
2026-08-15

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

no sourcelicense unknownno install recipeRun detail →
15
190.9µs63% SOL
1.49×
Reported · license unknown · no source
2026-08-20

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

no sourcelicense unknownno install recipeRun detail →
16
194.0µs62% SOL
1.51×
Reported · license unknown · no source
2026-08-14

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

no sourcelicense unknownno install recipeRun detail →
17
194.1µs62% SOL
1.51×
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 →
18
195.9µs62% SOL
1.53×
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 →
19
196.3µs62% SOL
1.53×
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 →
20
196.5µs62% SOL
1.53×
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 →
21
200.0µs61% SOL
1.56×
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 →
22
202.0µs61% SOL
1.57×
Reported · license unknown · no source
2026-07-17

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

no sourcelicense unknownno install recipeRun detail →
23
213.3µs59% SOL
1.66×
Reported · license unknown · no source
2026-08-06

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

no sourcelicense unknownno install recipeRun detail →
24
217.0µs59% SOL
1.69×
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 →
25
219.5µs58% SOL
1.71×
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 →
26
272.5µs52% SOL
2.12×
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 →
27
282.6µs51% SOL
2.20×
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 →
28
663.9µs29% SOL
5.17×
Reported · license unknown · no source
2026-07-22

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
156.8µs
1.22×
Reported
license unknown · no source
unknown
182.4µs
1.42×
Reported
license unknown · no source
unknown
182.5µs
1.42×
Reported
license unknown · no source
unknown
250.2µs
1.95×
Reported
license unknown · no source
unknown
128.4µs
1.00×
Reported
license unknown · no source
unknown
146.6µs
1.14×
Reported
license unknown · no source
unknown
174.7µs
1.36×
Reported
license unknown · no source
unknown
174.6µs
1.36×
Reported
license unknown · no source
Show all 34 implementations ›
unknown
182.5µs
1.42×
Reported
license unknown · no source
unknown
184.1µs
1.43×
Reported
license unknown · no source
unknown
196.5µs
1.53×
Reported
license unknown · no source
unknown
196.3µs
1.53×
Reported
license unknown · no source
unknown
181.3µs
1.41×
Reported
license unknown · no source
unknown
185.0µs
1.44×
Reported
license unknown · no source
unknown
185.9µs
1.45×
Reported
license unknown · no source
unknown
187.2µs
1.46×
Reported
license unknown · no source
unknown
187.5µs
1.46×
Reported
license unknown · no source
unknown
188.4µs
1.47×
Reported
license unknown · no source
unknown
188.7µs
1.47×
Reported
license unknown · no source
unknown
190.9µs
1.49×
Reported
license unknown · no source
unknown
194.0µs
1.51×
Reported
license unknown · no source
unknown
194.1µs
1.51×
Reported
license unknown · no source
unknown
196.9µs
1.53×
Reported
license unknown · no source
unknown
195.9µs
1.53×
Reported
license unknown · no source
unknown
202.0µs
1.57×
Reported
license unknown · no source
unknown
200.0µs
1.56×
Reported
license unknown · no source
unknown
213.3µs
1.66×
Reported
license unknown · no source
unknown
217.0µs
1.69×
Reported
license unknown · no source
unknown
219.5µs
1.71×
Reported
license unknown · no source
unknown
272.8µs
2.12×
Reported
license unknown · no source
unknown
272.5µs
2.12×
Reported
license unknown · no source
unknown
282.6µs
2.20×
Reported
license unknown · no source
unknown
663.9µs
5.17×
Reported
license unknown · no source
unknown
3.66ms
28.51×
Reported
license unknown · no source

Semantics

Inputs and outputs
hidden_statesbf16 [m, hidden_size]
weightbf16 [projection_size, hidden_size]
outputbf16 [m, projection_size]
Axes and behavior
mvariable
hidden_sizeconstant = 2688
projection_sizeconstant = 13952
determinismunspecified
constraintsNo mutation or aliasing
Identity
alias021_fp8_mamba2_in_projectionmodelnvidia-nemotron-3-nano-30b-a3b-fp8sha25660666fb9296b…
Sources: NVIDIA SOL-ExecBench (2026-08-21)last observed 2026-08-21How records are decidedJSON