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ConvTranspose3d BatchNorm AvgPool AvgPool

4 eligible runs
conv

KernelBench level2 problem 72: ConvTranspose3d BatchNorm AvgPool AvgPool. The computation is the reference PyTorch module's forward pass; the output shape follows the module (mirrored as each implementation's source).

Fastest reported
6.94ms±0.02 · mean of 100 · 2.13× faster than baseline
torch.compile (inductor)PyTorch · MIT · python

Reported evidence · last observed 2026-03-05. Reported by source; not independently reproduced.

No package · vendor the source →View source →Run detail →

Current records

HardwareBest knownImplementationRuns
NVIDIA H100 · env 16.94 mstorch.compile (inductor)2NVIDIA H100 · env 28.82 mstorch.compile (inductor)2

Not measured on B200 for this workload. Challenges →

Source-native comparison · GPU NVIDIA H100 · Workload depth = 32 · width = 32 · height = 32 · batch_size = 64 · in_channels = 3 · fp32 · Protocol KernelBench timing scripts · mean · 2 results · last observed 2026-03-05Record history →
Estimated floor 7.51 µs · record 923.83× above itestimate, not evidence ›
DRAM 7.51 µs · bandwidth-bound on H100 SXM
every declared tensor crosses HBM exactly once (3,350 GB/s, H100 SXM datasheet)
no arithmetic formula for this family: bandwidth floor only
headroom-v1: a lower bound from declared tensors and datasheet peaks. A kernel can sit well above it for good reasons.
#
Implementation
Latency
vs #1
Trust
Observed
1
torch.compile (inductor)PyTorch
6.94ms±0.02
1.00×
Reported · MIT · source
2026-03-05stale

2.13× faster than the baseline. Measured exactly what you asked. Reported by source; not independently reproduced.

source mirroredMITno install recipeView source →Run detail →
2
PyTorch eagerbaselinePyTorch
14.8ms±0.01
2.13×
Reported · MIT · source
2026-03-05stale

Measured exactly what you asked. The source's designated baseline implementation. Reported by source; not independently reproduced.

source mirroredMITno install recipeView source →Run detail →

Implementations

Implementation
Runtime
Best latency
Evidence
Availability
PyTorch eagerPyTorch
python · torch_eager
12.3ms
1.77×
Reported
MIT · source
torch.compile (inductor)PyTorch
python · torch_compile_inductor
6.94ms
1.00×
Reported
MIT · source

Semantics

Inputs and outputs
input_1fp32 [batch_size, in_channels, depth, height, width]
outfloat [out]
Axes and behavior
outvariable
depthvariable
widthvariable
heightvariable
batch_sizevariable
in_channelsvariable
determinismunspecified
constraintsNo mutation or aliasing
Identity
sha2568a6e52efc3d5…
Sources: KernelBench baseline timings (2026-03-05) · MITlast observed 2026-03-05How records are decidedJSON