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Cross-entropy loss · vocab = 16384 · tokens = 16384 · fp32 · run 01a016ac-d139…
●passedReported evidence

Not re-observed recently.

Primary measurement
1.95msmedian

Rank 2 in its comparison group · source-native comparison · observed 2024-09-03

Compare with #1 →

ms 20 1.9451839923858643 · ms 50 1.9522240161895752 · ms 80 1.962073564529419

Identity
implementationTransformers
projectHugging Face Transformers
revisionunknown
workloadvocab = 16384 · tokens = 16384 · fp32
comparison keysha256:65f097fe23bb1e95…
sourceLiger-Kernel benchmarks
external idcross_entropy/forward/huggingface/nvidia-a100-sxm4-80gb/tokens16384-vocab16384-fp32/2024-09-03-15-31-40
sha256:3bf9f2e18dfeeb4b93dc86f…

Correctness

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

Workload

vocab16384
tokens16384
logitsfp32 [16384, 16384]
targetint64 [16384]
definition comparatornot_asserted

Measurements

latency · median1.95 ms
latency · p201.95 ms
latency · p801.96 ms

Protocol

harnessLiger-Kernel benchmark scripts
timercuda_events
primaryStatisticmedian
comparabilityFamilyliger_kernel_bench

Environment

gpuNVIDIA A100 (sm_80)

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": 1952224
        },
        "primaryStatistic": "median"
      },
      "observedAt": "2024-09-03T15:31:40.000Z",
      "measurements": [
        {
          "unit": "ns",
          "value": 1945184,
          "metric": "latency",
          "statistic": "p20"
        },
        {
          "unit": "ns",
          "value": 1962074,
          "metric": "latency",
          "statistic": "p80"
        }
      ],
      "sourceNative": {
        "source": "liger-kernel-bench",
        "metrics": {
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          "ms_50": 1.9522240161895752,
          "ms_80": 1.962073564529419
        },
        "benchmark": "cross_entropy/forward",
        "externalId": "cross_entropy/forward/huggingface/nvidia-a100-sxm4-80gb/tokens16384-vocab16384-fp32/2024-09-03-15-31-40"
      },
      "protocolDigest": "sha256:a79eaf4df66c97c6adc1fb2d09df78682155d1ea86652ae0b70199875bde7747",
      "workloadDigest": "sha256:cbcfbfca12c4a597e3c568fcddbcd9a3418638c80cb97ccf1c4293ecbc026c58",
      "environmentDigest": "sha256:90c9e2764222f592477cfccf3373519add5a1b881563956ad058c4f99e41b6b9",
      "implementationDigest": "sha256:e0cac84069716c13a12baba7a06ee95fcbd3defdc1b61e82f1163eb5760a5687"
    },
    "metadata": {
      "name": "liger-cross-entropy-forward-huggingface-nvidia-a100-sxm4-80gb-tokens16384-vocab16384-fp32-2024-09-03",
      "title": "Cross-entropy loss · huggingface · forward",
      "labels": {
        "liger_version": "0.2.1"
      }
    },
    "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 A100",
        "formFactor": "SXM4-80GB",
        "architecture": "sm_80"
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      "software": {}
    },
    "metadata": {
      "name": "liger-bench-nvidia-a100-sxm4-80gb",
      "title": "Liger benchmark host · A100-SXM4-80GB"
    },
    "apiVersion": "kernelindex.dev/v1alpha1"
  }
}
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