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ConvolutionalVisionTransformer

4 eligible runs
model

KernelBench level3 problem 32: ConvolutionalVisionTransformer. The computation is the reference PyTorch module's forward pass; the output shape follows the module (mirrored as each implementation's source).

Fastest reported
1.15ms±0.02 · mean of 100 · 1.35× 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 11.15 mstorch.compile (inductor)2NVIDIA H100 · env 21.45 mstorch.compile (inductor)2

Not measured on B200 for this workload. Challenges →

Source-native comparison · GPU NVIDIA H100 · Workload batch_size = 10 · image_size = 32 · in_channels = 3 · fp32 · Protocol KernelBench timing scripts · mean · 2 results · last observed 2026-03-05Record history →
Estimated floor 37 ns · record 31351.73× above itestimate, not evidence ›
DRAM 37 ns · 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
1.15ms±0.02
1.00×
Reported · MIT · source
2026-03-05stale

1.35× 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
1.55ms±0.01
1.35×
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
1.55ms
1.35×
Reported
MIT · source
torch.compile (inductor)PyTorch
python · torch_compile_inductor
1.15ms
1.00×
Reported
MIT · source

Semantics

Inputs and outputs
input_1fp32 [batch_size, in_channels, image_size, image_size]
outfloat [out]
Axes and behavior
outvariable
batch_sizevariable
image_sizevariable
in_channelsvariable
determinismunspecified
constraintsNo mutation or aliasing
Identity
sha256e2027f8f37b2…
Sources: KernelBench baseline timings (2026-03-05) · MITlast observed 2026-03-05How records are decidedJSON