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flashinfer / wrapper74a870

flashinfer_wrapper_74a870 · FlashInfer-Bench baselines · python · Apache-2.0

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Vendorable · source mirrored · Apache-2.0View source →

No package. Vendor the mirrored source: 17 lines, Apache-2.0, pinned at da91508.

main.py
curl "https://kernelindex.com/api/v1/implementations/flashinfer-flashinfer-wrapper-74a870?include=source"
interfacepython
revisionda915083d4c7
symbolrun
pathmain.py
Compatibility
measured onNVIDIA B200
declared hardwareNVIDIA A100, NVIDIA B200, NVIDIA GeForce RTX 4090, NVIDIA H100, NVIDIA H20, NVIDIA H200
architecturesunknown
dtypesbf16

Benchmark evidence

7 measurements across 1 GPU, fastest first.

Operation / workload
Hardware
Latency
Rank
Observed
Fused add RMSNorm h2048bf16 · [2048] · batch_size=6
NVIDIA B200
7.67µs
#6 of 8
2025-10-21
Fused add RMSNorm h2048bf16 · [2048] · batch_size=64
NVIDIA B200
7.85µs
#4 of 8
2025-10-21
Fused add RMSNorm h2048bf16 · [2048] · batch_size=34
NVIDIA B200
7.89µs
#4 of 8
2025-10-21
Fused add RMSNorm h2048bf16 · [2048] · batch_size=1
NVIDIA B200
7.91µs
#3 of 8
2025-10-21
Fused add RMSNorm h2048bf16 · [2048] · batch_size=79
NVIDIA B200
8.03µs
#5 of 8
2025-10-21
Fused add RMSNorm h2048bf16 · [2048] · batch_size=12383
NVIDIA B200
42.4µs
#4 of 8
2025-10-21
Fused add RMSNorm h2048bf16 · [2048] · batch_size=16254
NVIDIA B200
53.2µs
#4 of 8
2025-10-21

Reported · How evidence levels are derived →

Source and license

sourcehttps://huggingface.co/datasets/flashinfer-ai/flashinfer-trace
commitda915083d4c7c5e61aa3005e3d17ae488e0fc71c
revision digestsha256:79278567a15eac7d7c781ebcfa7d8e307243a6e86e9efe02f3bf209e944419b2
license declaredApache-2.0
license concludedApache-2.0
authorsbaseline
imported2026-08-16

Kernel source

main.py17 lines
import torch
import flashinfer


def run(hidden_states, residual, weight):
    batch_size, hidden_size = hidden_states.shape
    
    assert hidden_size == 2048
    
    EPS = 1e-6
    
    # FlashInfer's fused_add_rmsnorm modifies hidden_states in-place
    flashinfer.norm.fused_add_rmsnorm(hidden_states, residual, weight, EPS)
    
    # Return the modified hidden_states as output
    return hidden_states

Source code from FlashInfer-Bench (flashinfer-ai/flashinfer-trace) · Apache-2.0

Best evidence level for this revision: reported

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