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Strided conv2d downsampling

55 eligible runs
other

Strided 2D convolution for spatial downsampling used in NAFNet's encoder path. Performs convolution with stride > 1 to reduce spatial dimensions while increasing channel capacity. Combines spatial reduction with feature transformation in a single operation.

Fastest reported
35.7µsmean · 76% of SOL
RIAC as wellLicense unknown · unknown

Reported evidence · last observed 2026-08-17. Reported by source; not independently reproduced. No public source. License unknown.

No public sourceRun detail →

Current records

Workloadsuite of 16 cases · mean latencystride = 2 · padding = 1 · in_channels = 32 · kernel_size = 3 · out_channels = 6416 cases

Not measured on H100 for this workload. Challenges →

Source-native comparison · GPU NVIDIA B200 · Workload suite of 16 cases · mean latency · Protocol SOL-ExecBench evaluation stack v1.1 · mean · 44 results · last observed 2026-08-24Record history →
#
Implementation
Latency
vs #1
Trust
Observed
1
35.7µs76% SOL
1.00×
Reported · license unknown · no source
2026-08-17

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
2
44.2µs71% SOL
1.24×
Reported · license unknown · no source
2026-07-12

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
3
46.2µs70% SOL
1.29×
Reported · license unknown · no source
2026-07-21

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
4
46.7µs70% SOL
1.31×
Reported · license unknown · no source
2026-08-24

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
5
47.4µs70% SOL
1.33×
Reported · license unknown · no source
2026-07-10

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
6
48.1µs69% SOL
1.35×
Reported · license unknown · no source
2026-07-21

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
7
54.0µs67% SOL
1.51×
Reported · license unknown · no source
2026-07-10

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
8
54.3µs66% SOL
1.52×
Reported · license unknown · no source
2026-07-10

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
9
64.9µs62% SOL
1.82×
Reported · license unknown · no source
2026-08-22

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
10
65.0µs61% SOL
1.82×
Reported · license unknown · no source
2026-08-22

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
11
68.2µs60% SOL
1.91×
Reported · license unknown · no source
2026-08-16

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
12
68.7µs60% SOL
1.92×
Reported · license unknown · no source
2026-08-14

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
13
69.3µs60% SOL
1.94×
Reported · license unknown · no source
2026-08-12

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
14
69.5µs60% SOL
1.94×
Reported · license unknown · no source
2026-08-10

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
15
73.9µs59% SOL
2.07×
Reported · license unknown · no source
2026-07-19

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
16
117.5µs46% SOL
3.29×
Reported · license unknown · no source
2026-08-09

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
17
120.4µs46% SOL
3.37×
Reported · license unknown · no source
2026-08-06

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
18
121.4µs45% SOL
3.40×
Reported · license unknown · no source
2026-07-23

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
19
129.4µs44% SOL
3.62×
Reported · license unknown · no source
2026-07-10

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
20
155.0µs39% SOL
4.33×
Reported · license unknown · no source
2026-08-07

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
21
157.8µs40% SOL
4.42×
Reported · license unknown · no source
2026-07-10

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
22
209.7µs33% SOL
5.87×
Reported · license unknown · no source
2026-08-08

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
23
209.8µs33% SOL
5.87×
Reported · license unknown · no source
2026-08-22

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
24
210.5µs32% SOL
5.89×
Reported · license unknown · no source
2026-08-15

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
25
213.5µs32% SOL
5.97×
Reported · license unknown · no source
2026-08-18

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
26
216.6µs32% SOL
6.06×
Reported · license unknown · no source
2026-08-22

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
27
219.6µs32% SOL
6.14×
Reported · license unknown · no source
2026-07-10

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
28
219.7µs32% SOL
6.15×
Reported · license unknown · no source
2026-08-23

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
29
233.7µs30% SOL
6.54×
Reported · license unknown · no source
2026-08-21

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
30
235.6µs30% SOL
6.59×
Reported · license unknown · no source
2026-08-20

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
31
235.6µs30% SOL
6.59×
Reported · license unknown · no source
2026-08-21

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
32
235.7µs30% SOL
6.59×
Reported · license unknown · no source
2026-08-19

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
33
236.3µs30% SOL
6.61×
Reported · license unknown · no source
2026-08-08

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
34
236.3µs30% SOL
6.61×
Reported · license unknown · no source
2026-08-09

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
35
236.9µs30% SOL
6.63×
Reported · license unknown · no source
2026-08-19

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
36
237.1µs30% SOL
6.63×
Reported · license unknown · no source
2026-08-22

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
37
239.7µs30% SOL
6.70×
Reported · license unknown · no source
2026-08-24

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
38
240.1µs30% SOL
6.72×
Reported · license unknown · no source
2026-08-13

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
39
240.2µs30% SOL
6.72×
Reported · license unknown · no source
2026-08-09

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
40
244.8µs30% SOL
6.85×
Reported · license unknown · no source
2026-08-21

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
41
246.0µs29% SOL
6.88×
Reported · license unknown · no source
2026-08-21

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
42
267.7µs28% SOL
7.49×
Reported · license unknown · no source
2026-08-10

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
43
270.9µs28% SOL
7.58×
Reported · license unknown · no source
2026-08-21

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →
44
284.1µs27% SOL
7.95×
Reported · license unknown · no source
2026-08-06

Measured exactly what you asked. Reported by source; not independently reproduced.

no sourcelicense unknownno install recipeRun detail →

Implementations

Implementation
Runtime
Best latency
Evidence
Availability
unknown
35.7µs
1.00×
Reported
license unknown · no source
unknown
36.2µs
1.01×
Reported
license unknown · no source
unknown
37.2µs
1.04×
Reported
license unknown · no source
unknown
41.3µs
1.16×
Reported
license unknown · no source
unknown
46.0µs
1.29×
Reported
license unknown · no source
unknown
48.1µs
1.35×
Reported
license unknown · no source
unknown
51.8µs
1.45×
Reported
license unknown · no source
unknown
64.9µs
1.82×
Reported
license unknown · no source
Show all 55 implementations ›
unknown
73.9µs
2.07×
Reported
license unknown · no source
unknown
123.1µs
3.44×
Reported
license unknown · no source
unknown
124.3µs
3.48×
Reported
license unknown · no source
unknown
141.1µs
3.95×
Reported
license unknown · no source
unknown
46.7µs
1.31×
Reported
license unknown · no source
unknown
54.0µs
1.51×
Reported
license unknown · no source
unknown
54.3µs
1.52×
Reported
license unknown · no source
unknown
62.6µs
1.75×
Reported
license unknown · no source
unknown
65.0µs
1.82×
Reported
license unknown · no source
unknown
68.2µs
1.91×
Reported
license unknown · no source
unknown
68.7µs
1.92×
Reported
license unknown · no source
unknown
69.3µs
1.94×
Reported
license unknown · no source
unknown
69.5µs
1.94×
Reported
license unknown · no source
unknown
117.5µs
3.29×
Reported
license unknown · no source
unknown
120.4µs
3.37×
Reported
license unknown · no source
unknown
121.4µs
3.40×
Reported
license unknown · no source
unknown
124.4µs
3.48×
Reported
license unknown · no source
unknown
129.4µs
3.62×
Reported
license unknown · no source
unknown
157.8µs
4.42×
Reported
license unknown · no source
unknown
155.9µs
4.36×
Reported
license unknown · no source
unknown
155.0µs
4.33×
Reported
license unknown · no source
unknown
209.7µs
5.87×
Reported
license unknown · no source
unknown
209.8µs
5.87×
Reported
license unknown · no source
unknown
210.5µs
5.89×
Reported
license unknown · no source
unknown
213.5µs
5.97×
Reported
license unknown · no source
unknown
216.6µs
6.06×
Reported
license unknown · no source
unknown
219.6µs
6.14×
Reported
license unknown · no source
unknown
219.7µs
6.15×
Reported
license unknown · no source
unknown
233.7µs
6.54×
Reported
license unknown · no source
unknown
235.7µs
6.59×
Reported
license unknown · no source
unknown
236.3µs
6.61×
Reported
license unknown · no source
unknown
235.6µs
6.59×
Reported
license unknown · no source
unknown
235.6µs
6.59×
Reported
license unknown · no source
unknown
236.3µs
6.61×
Reported
license unknown · no source
unknown
237.1µs
6.63×
Reported
license unknown · no source
unknown
236.9µs
6.63×
Reported
license unknown · no source
unknown
240.2µs
6.72×
Reported
license unknown · no source
unknown
239.7µs
6.70×
Reported
license unknown · no source
unknown
240.1µs
6.72×
Reported
license unknown · no source
unknown
244.8µs
6.85×
Reported
license unknown · no source
unknown
246.0µs
6.88×
Reported
license unknown · no source
unknown
270.9µs
7.58×
Reported
license unknown · no source
unknown
267.7µs
7.49×
Reported
license unknown · no source
unknown
284.1µs
7.95×
Reported
license unknown · no source
unknown
44.2µs
1.24×
Reported
license unknown · no source
unknown
46.2µs
1.29×
Reported
license unknown · no source
unknown
47.4µs
1.33×
Reported
license unknown · no source

Semantics

Inputs and outputs
xfp32 [batch_size, in_channels, height, width]
weightfp32 [out_channels, in_channels, kernel_size, kernel_size]
biasfp32 [out_channels]
outputfp32 [batch_size, out_channels, out_height, out_width]
Axes and behavior
widthvariable
heightvariable
strideconstant = 2
paddingconstant = 1
out_widthout_width = (width + 2 * padding - kernel_size) // stride + 1
batch_sizevariable
out_heightout_height = (height + 2 * padding - kernel_size) // stride + 1
in_channelsconstant = 32
kernel_sizeconstant = 3
out_channelsconstant = 64
determinismunspecified
constraintsNo mutation or aliasing
Identity
alias041_strided_conv2d_downsamplingmodelnafnetsha256d04e1d1fcf79…
Sources: NVIDIA SOL-ExecBench (2026-08-24)last observed 2026-08-24How records are decidedJSON