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Jensen-Shannon divergence loss · vocab = 128256 · tokens = 4096 · fp32 · run 01a016af-7869…
●passedReported evidence
Primary measurement
18.3msmedian

Rank 2 in its comparison group · source-native comparison · observed 2026-05-27

Compare with #1 →

ms 20 18.322431564331055 · ms 50 18.322431564331055 · ms 80 18.322431564331055

Identity
implementationLiger
projectLiger-Kernel
revisionunknown
workloadvocab = 128256 · tokens = 4096 · fp32
comparison keysha256:b87d729db442eac5…
sourceLiger-Kernel benchmarks
external idjsd/forward/liger/nvidia-b200/tokens4096-vocab128256-fp32/2026-05-27-17-14-29
sha256:bcd5566060d86692f6000d6…

Correctness

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

Workload

vocab128256
tokens4096
student_log_probsfp32 [4096, 128256]
teacher_log_probsfp32 [4096, 128256]
definition comparatornot_asserted

Measurements

latency · median18.3 ms
latency · p2018.3 ms
latency · p8018.3 ms

Protocol

harnessLiger-Kernel benchmark scripts
timercuda_events
primaryStatisticmedian
comparabilityFamilyliger_kernel_bench

Environment

gpuNVIDIA B200 (sm_100)

Artifacts

No artifacts published with this run.

Replications and notes

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Canonical manifest

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{
  "run": {
    "kind": "BenchmarkRun",
    "spec": {
      "status": "passed",
      "timing": {
        "latencyNs": {
          "median": 18322432
        },
        "primaryStatistic": "median"
      },
      "observedAt": "2026-05-27T17:14:29.000Z",
      "measurements": [
        {
          "unit": "ns",
          "value": 18322432,
          "metric": "latency",
          "statistic": "p20"
        },
        {
          "unit": "ns",
          "value": 18322432,
          "metric": "latency",
          "statistic": "p80"
        }
      ],
      "sourceNative": {
        "source": "liger-kernel-bench",
        "metrics": {
          "ms_20": 18.322431564331055,
          "ms_50": 18.322431564331055,
          "ms_80": 18.322431564331055
        },
        "benchmark": "jsd/forward",
        "externalId": "jsd/forward/liger/nvidia-b200/tokens4096-vocab128256-fp32/2026-05-27-17-14-29"
      },
      "protocolDigest": "sha256:a79eaf4df66c97c6adc1fb2d09df78682155d1ea86652ae0b70199875bde7747",
      "workloadDigest": "sha256:8111db7b0e6c2b0c458a647dfc08cd2c543824a57b91b3a81485673d7136ad16",
      "environmentDigest": "sha256:ad459e643ef802f7008f1fa8915785c905d05abbfdb5eb0328be214f8d9f3a8b",
      "implementationDigest": "sha256:cfb3edb701b526d49e58d1de743fa6b7ce8e9b2d82736c8a68b45577428f96fc"
    },
    "metadata": {
      "name": "liger-jsd-forward-liger-nvidia-b200-tokens4096-vocab128256-fp32-2026-05-27-17-14-29",
      "title": "Jensen-Shannon divergence loss · liger · forward",
      "labels": {
        "liger_version": "0.8.0"
      }
    },
    "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 module forward pass, 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-forward",
      "title": "Liger benchmark harness · forward pass"
    },
    "apiVersion": "kernelindex.dev/v1alpha1"
  },
  "environment": {
    "kind": "ExecutionEnvironment",
    "spec": {
      "hardware": {
        "vendor": "nvidia",
        "product": "NVIDIA B200",
        "architecture": "sm_100"
      },
      "software": {}
    },
    "metadata": {
      "name": "liger-bench-nvidia-b200",
      "title": "Liger benchmark host · B200"
    },
    "apiVersion": "kernelindex.dev/v1alpha1"
  }
}
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