gpt-5 / cuda727b5d
Fused add RMSNorm h4096 · batch_size = 34 · bf16 · run 01a02032-5ab9…
●passedReproduction-ready evidence
Not re-observed recently.
Primary measurement
58.7µsmean
Rank 8 in its comparison group · source-native comparison · observed 2025-10-16
18.79× reference
Identity
implementationgpt-5_cuda_727b5d
projectgpt-5-2025-08-07
revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c
workloadbatch_size = 34 · bf16
comparison keysha256:fe7a9eb74af889f1…
sourceFlashInfer-Bench
external idtrace/gpt-5_cuda_727b5d/04e1c8da-5407-4d96-876c-a27259fe7ecf
sha256:d97dbf7de9496b0a49944d8…
Correctness
comparatorflashinfer_bench_eval
max absolute error0.001953125
max relative error0.004347825888544321
resultpassed
Workload
batch_size34
weightbf16 [4096]
residualbf16 [34, 4096]
hidden_statesbf16 [34, 4096]
definition comparatorsol_execbench_eval
Measurements
latency · mean58.7 µs
Protocol
harnessflashinfer-bench
timerharness_reported
primaryStatisticmean
correctnessReferencedefinition reference implementation
comparabilityFamilyflashinfer_bench_trace
Environment
gpuNVIDIA B200 (unknown)
cudaToolkit12.8
frameworkpytorch 2.8.0+cu128
Artifacts
logssha256:218e00f5d536a10c… · text/plain · unavailable
Replications and notes
No attestations yet.
Community attestations. They never change the evidence level; only a KernelIndex-controlled rerun does.
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Canonical manifest
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{
"run": {
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"spec": {
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"timing": {
"latencyNs": {
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"evidence": {
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"observedAt": "2025-10-16T12:07:45.392Z",
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}Cite this record (permalink, digest, access date)
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Published 2026-08-20 · FlashInfer-Bench · Apache-2.0All results for Fused add RMSNorm h4096 →JSON