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MoE expert inference batched dispatch

25 eligible runs
moe

Optimized MoE expert inference dispatch that batches tokens by expert assignment, processes them through experts sequentially with SwiGLU activation, and reconstructs the output with weighted combinations. This is the critical inference path for a 256-expert MoE system that processes 8 experts per token.

Fastest reported
1.21msmean · 94% of SOL
RIAC as wellLicense unknown · unknown

Reported evidence · last observed 2026-08-11. Reported by source; not independently reproduced. No public source. License unknown.

No public sourceRun detail →

Current records

Workloadsuite of 16 cases · mean latencyhidden_size = 4096 · num_experts = 256 · intermediate_size = 1024 · num_experts_per_tok = 816 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 · 18 results · last observed 2026-08-21Record history →
#
Implementation
Latency
vs #1
Trust
Observed
1
1.21ms94% SOL
1.00×
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 →
2
1.25ms94% SOL
1.03×
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 →
3
1.29ms93% SOL
1.07×
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 →
4
1.31ms93% SOL
1.08×
Reported · license unknown · no source
2026-08-16

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

no sourcelicense unknownno install recipeRun detail →
5
1.32ms93% SOL
1.09×
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 →
6
1.34ms92% SOL
1.11×
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 →
7
1.37ms92% SOL
1.13×
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 →
8
1.41ms91% SOL
1.17×
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 →
9
1.45ms91% SOL
1.20×
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 →
10
1.48ms90% SOL
1.22×
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 →
11
1.59ms89% SOL
1.31×
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 →
12
1.61ms89% SOL
1.33×
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 →
13
1.71ms87% SOL
1.41×
Reported · license unknown · no source
2026-08-08

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

no sourcelicense unknownno install recipeRun detail →
14
1.77ms87% SOL
1.46×
Reported · license unknown · no source
2026-08-18

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

no sourcelicense unknownno install recipeRun detail →
15
1.77ms87% SOL
1.46×
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 →
16
2.00ms84% SOL
1.65×
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 →
17
4.41ms63% SOL
3.65×
Reported · license unknown · no source
2026-07-23

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

no sourcelicense unknownno install recipeRun detail →
18
6.52ms51% SOL
5.38×
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 →

Implementations

Implementation
Runtime
Best latency
Evidence
Availability
unknown
1.29ms
1.07×
Reported
license unknown · no source
unknown
1.32ms
1.09×
Reported
license unknown · no source
unknown
1.34ms
1.11×
Reported
license unknown · no source
unknown
1.44ms
1.19×
Reported
license unknown · no source
unknown
1.54ms
1.27×
Reported
license unknown · no source
unknown
1.61ms
1.33×
Reported
license unknown · no source
unknown
1.71ms
1.41×
Reported
license unknown · no source
unknown
6.38ms
5.27×
Reported
license unknown · no source
Show all 25 implementations ›
unknown
1.31ms
1.08×
Reported
license unknown · no source
unknown
1.37ms
1.13×
Reported
license unknown · no source
unknown
1.37ms
1.13×
Reported
license unknown · no source
unknown
1.41ms
1.17×
Reported
license unknown · no source
unknown
1.45ms
1.20×
Reported
license unknown · no source
unknown
1.48ms
1.22×
Reported
license unknown · no source
unknown
1.59ms
1.31×
Reported
license unknown · no source
unknown
1.77ms
1.46×
Reported
license unknown · no source
unknown
1.77ms
1.46×
Reported
license unknown · no source
unknown
2.00ms
1.65×
Reported
license unknown · no source
unknown
2.75ms
2.27×
Reported
license unknown · no source
unknown
4.41ms
3.65×
Reported
license unknown · no source
unknown
6.52ms
5.38×
Reported
license unknown · no source
unknown
10.3ms
8.53×
Reported
license unknown · no source
unknown
1.21ms
1.00×
Reported
license unknown · no source
unknown
1.25ms
1.03×
Reported
license unknown · no source
unknown
1.27ms
1.05×
Reported
license unknown · no source

Semantics

Inputs and outputs
hidden_statesbf16 [num_tokens, hidden_size]
topk_idxint64 [num_tokens, num_experts_per_tok]
topk_weightbf16 [num_tokens, num_experts_per_tok]
gate_weightsbf16 [num_experts, intermediate_size, hidden_size]
up_weightsbf16 [num_experts, intermediate_size, hidden_size]
down_weightsbf16 [num_experts, hidden_size, intermediate_size]
outputbf16 [num_tokens, hidden_size]
Axes and behavior
num_tokensvariable
hidden_sizeconstant = 4096
num_expertsconstant = 256
intermediate_sizeconstant = 1024
num_experts_per_tokconstant = 8
num_selected_tokensnum_selected_tokens = num_tokens * num_experts_per_tok
determinismunspecified
constraintsNo mutation or aliasing
Identity
alias048_moe_expert_inference_batched_dispatchmodelling-flash-2-0sha256b2c0871a08b1…
Sources: NVIDIA SOL-ExecBench (2026-08-21)last observed 2026-08-21How records are decidedJSON