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Sparsemax · tokens = 2048 · features = 32768 · fp32 · run 01a0202b-218b…
●passedReported evidence

Not re-observed recently.

Primary measurement
1.57msmedian

Rank 1 in its comparison group · source-native comparison · observed 2025-04-28

ms 20 1.572864055633545 · ms 50 1.5738879442214966 · ms 80 1.575935959815979

Identity
implementationLiger
projectLiger-Kernel
revisionunknown
workloadtokens = 2048 · features = 32768 · fp32
comparison keysha256:fa81ec5849f4a1c2…
sourceLiger-Kernel benchmarks
external idsparsemax/backward/liger/nvidia-geforce-rtx-3090/features32768-tokens2048-fp32/2025-04-28-00-38-22
sha256:c48008cbe4a134acca88cd4…

Correctness

Marked passed by the source; the correctness policy was not published.

Workload

tokens2048
features32768
xfp32 [2048, 32768]
definition comparatornot_asserted

Measurements

latency · median1.57 ms
latency · p201.57 ms
latency · p801.58 ms

Protocol

harnessLiger-Kernel benchmark scripts
timercuda_events
primaryStatisticmedian
comparabilityFamilyliger_kernel_bench

Environment

gpuNVIDIA GeForce RTX 3090 (sm_86)

Artifacts

No artifacts published with this run.

Replications and notes

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Canonical manifest

Show manifest
{
  "run": {
    "kind": "BenchmarkRun",
    "spec": {
      "status": "passed",
      "timing": {
        "latencyNs": {
          "median": 1573888
        },
        "primaryStatistic": "median"
      },
      "observedAt": "2025-04-28T00:38:22.000Z",
      "measurements": [
        {
          "unit": "ns",
          "value": 1572864,
          "metric": "latency",
          "statistic": "p20"
        },
        {
          "unit": "ns",
          "value": 1575936,
          "metric": "latency",
          "statistic": "p80"
        }
      ],
      "sourceNative": {
        "source": "liger-kernel-bench",
        "metrics": {
          "ms_20": 1.572864055633545,
          "ms_50": 1.5738879442214966,
          "ms_80": 1.575935959815979
        },
        "benchmark": "sparsemax/backward",
        "externalId": "sparsemax/backward/liger/nvidia-geforce-rtx-3090/features32768-tokens2048-fp32/2025-04-28-00-38-22"
      },
      "protocolDigest": "sha256:080e6e66e4ec75a131aa0c9121c74b8e8eed64e7b6d621d567c6a28f79548be8",
      "workloadDigest": "sha256:ecefd4ad059567b41e2fa41ebad3da4bf635e78e1e25decce550e8782eda0ed7",
      "environmentDigest": "sha256:b12fdfab6a337672499b10212a1e986e49e4383777bd7cbb58321b09af4bf6a3",
      "implementationDigest": "sha256:6d31657a0473d58e3f935f7da3661c63f02c557ea3a835e89da483ab5bcf1d54"
    },
    "metadata": {
      "name": "liger-sparsemax-backward-liger-nvidia-geforce-rtx-3090-features32768-tokens2048-fp32-2025-04-28-00-3",
      "title": "Sparsemax · liger · backward",
      "labels": {
        "liger_version": "0.5.8"
      }
    },
    "apiVersion": "kernelindex.dev/v1alpha1"
  },
  "protocol": {
    "kind": "BenchmarkProtocol",
    "spec": {
      "harness": {
        "name": "Liger-Kernel benchmark scripts",
        "repository": "https://github.com/linkedin/Liger-Kernel"
      },
      "measurement": {
        "timer": "cuda_events",
        "primaryStatistic": "median"
      },
      "comparability": {
        "notes": "Timed: the backward pass of the module output given a random upstream gradient, via triton.testing.do_bench with quantiles 0.5/0.2/0.8 (median with p20/p80 spread). The upstream CSV records no CUDA, driver, or torch version; the Liger release rides each run's labels. Comparable only within one kernel, workload, timed pass, and GPU.",
        "family": "liger_kernel_bench"
      }
    },
    "metadata": {
      "name": "liger-bench-do-bench-backward",
      "title": "Liger benchmark harness · backward pass"
    },
    "apiVersion": "kernelindex.dev/v1alpha1"
  },
  "environment": {
    "kind": "ExecutionEnvironment",
    "spec": {
      "hardware": {
        "vendor": "nvidia",
        "product": "NVIDIA GeForce RTX 3090",
        "architecture": "sm_86"
      },
      "software": {}
    },
    "metadata": {
      "name": "liger-bench-nvidia-geforce-rtx-3090",
      "title": "Liger benchmark host · GeForce RTX 3090"
    },
    "apiVersion": "kernelindex.dev/v1alpha1"
  }
}
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Published 2026-08-20 · Liger-Kernel benchmarks · BSD-2-ClauseAll results for Sparsemax →JSON