gpt-5 / cuda5eb89c
MLA paged decode h16 ckv512 kpe64 ps1 · num_pages = 989669 · batch_size = 64 · len_indptr = 65 · num_kv_indices = 54445 · bf16 · run 01a02032-5965…
●passedReported evidence
Not re-observed recently.
Primary measurement
5.98msmean
Rank 3 in its comparison group · source-native comparison · observed 2025-10-16
6.13× reference
Identity
implementationgpt-5_cuda_5eb89c
projectgpt-5-2025-08-07
revisionda915083d4c7c5e61aa3005e3d17ae488e0fc71c
workloadnum_pages = 989669 · batch_size = 64 · len_indptr = 65 · num_kv_indices = 54445 · bf16
comparison keysha256:48cbceaf88eef174…
sourceFlashInfer-Bench
external idtrace/gpt-5_cuda_5eb89c/65082ffb-4d9d-4ad4-bc55-5216464087c7
sha256:1b590f564e26eedf11e418d…
Correctness
comparatorflashinfer_bench_eval
max absolute error0.0078125
max relative error0.6946398019790649
resultpassed
Workload
num_pages989669
batch_size64
len_indptr65
num_kv_indices54445
q_pebf16 [64, 16, 64]
q_nopebf16 [64, 16, 512]
ckv_cachebf16 [989669, 1, 512]
kpe_cachebf16 [989669, 1, 64]
kv_indptrint32 [65]
kv_indicesint32 [54445]
definition comparatorsol_execbench_eval
Measurements
latency · mean5.98 ms
Protocol
harnessflashinfer-bench
timerharness_reported
primaryStatisticmean
correctnessReferencedefinition reference implementation
comparabilityFamilyflashinfer_bench_trace
Environment
gpuNVIDIA B200 (unknown)
cudaToolkit12.8
frameworkpytorch 2.8.0+cu128
Artifacts
No artifacts published with this run.
Replications and notes
No attestations yet.
Community attestations. They never change the evidence level; only a KernelIndex-controlled rerun does.
Add a reproduction or note
Canonical manifest
Show manifestHide manifest
{
"run": {
"kind": "BenchmarkRun",
"spec": {
"status": "passed",
"timing": {
"latencyNs": {
"mean": 5979416
},
"primaryStatistic": "mean"
},
"observedAt": "2025-10-16T11:05:54.571Z",
"correctness": {
"comparator": "sol_execbench_eval",
"maximumAbsoluteError": 0.0078125,
"maximumRelativeError": 0.6946398019790649
},
"sourceNative": {
"source": "flashinfer-bench",
"metrics": {
"latency_ms": 5.979415973027547,
"speedup_factor": 6.125059249946155,
"reference_latency_ms": 36.624277114868164
},
"benchmark": "mla_paged_decode_h16_ckv512_kpe64_ps1"
},
"protocolDigest": "sha256:7d44d206ad086b4bece35ce31f6531ebb11f07e0d9dcfb74c75be86d3ec02095",
"workloadDigest": "sha256:7305acd13ada94d1cb38190ab0f7af8e5b55f02c25540aae21fd85aa4f58da4b",
"environmentDigest": "sha256:f4292a8be127b7230cd3995c1d605fb6c644e2c2f94566e1d28cc1be766ca5d5",
"implementationDigest": "sha256:100fe0f4645f98496d3ac5f7d2968f8b2599e456b298d4fc776e6359a9b00533"
},
"metadata": {
"name": "sol-trace-mla-paged-decode-h16-ckv512-kpe64-ps1-65082ffb",
"title": "gpt-5_cuda_5eb89c · mla_paged_decode_h16_ckv512_kpe64_ps1"
},
"apiVersion": "kernelindex.dev/v1alpha1"
},
"protocol": {
"kind": "BenchmarkProtocol",
"spec": {
"harness": {
"name": "flashinfer-bench",
"repository": "https://github.com/flashinfer-ai/flashinfer-bench"
},
"correctness": {
"reference": "definition reference implementation",
"comparator": "flashinfer_bench_eval"
},
"measurement": {
"timer": "harness_reported",
"primaryStatistic": "mean"
},
"comparability": {
"family": "flashinfer_bench_trace"
}
},
"metadata": {
"name": "flashinfer-bench-trace",
"title": "FlashInfer-Bench trace harness"
},
"apiVersion": "kernelindex.dev/v1alpha1"
},
"environment": {
"kind": "ExecutionEnvironment",
"spec": {
"hardware": {
"vendor": "nvidia",
"product": "NVIDIA B200",
"architecture": "unknown"
},
"software": {
"framework": {
"name": "pytorch",
"version": "2.8.0+cu128"
},
"libraries": {
"triton": "3.4.0"
},
"cudaToolkit": "12.8"
}
},
"metadata": {
"name": "sol-trace-nvidia-b200-2-8-0-cu128-3-4-0-12-8",
"title": "NVIDIA B200 (trace-reported software)"
},
"apiVersion": "kernelindex.dev/v1alpha1"
}
}Cite this record (permalink, digest, access date)
Report an issue with this run
Published 2026-08-20 · FlashInfer-Bench · Apache-2.0All results for MLA paged decode h16 ckv512 kpe64 ps1 →JSON