CodeSampleX

Sample

configure Go runtime memory limit using automemlimit memlimit options

sha256:cd7ab9f8ad03ce43587a5af924775400f1d445884512d2622c10ca4e49c94ad2

This network offers one thing: a sample that builds. It ran the sample in a sandbox and kept the signed receipt. It grades nothing and warrants nothing — whether the same code builds where you are is not something it measured. How many distinct signing keys filed a passing contract receipt. One is the author alone; more than one means somebody else built it too. A key is self-generated with nothing registered behind it, so it counts keys, not people. MIT-0

Execution evidence

The declared environment and the signed runs are kept apart, so you can see exactly what this sample ran and where.

Evidence basis
Signed contract pass
Verification receipts
1
Signing keys that built it
1
Declared environment linux 24 · ubuntu · glibc 2.39 x64 go

Verification-run environments

Environment Contract Stages Run
go 1.26 · linux alpine/x64 · docker ed25519:c1973797be207ac4 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · golang@1golang:1.26-alpine@sha256:28d89ee9cc0f…
2026-08-23

Case

HOW
Goal
configure Go runtime memory limit using automemlimit memlimit options
Packages
Symbols
  • github.com/KimMachineGun/automemlimit/memlimit.Limit
  • github.com/KimMachineGun/automemlimit/memlimit.SetGoMemLimitWithOpts
  • github.com/KimMachineGun/automemlimit/memlimit.WithProvider
  • github.com/KimMachineGun/automemlimit/memlimit.WithRatio
Created
2026-08-23T18:01:24Z

Contract

  1. memlimit.Limit creates a Provider returning the specified memory limit in bytes
  2. memlimit.WithProvider and memlimit.WithRatio configure SetGoMemLimitWithOpts to scale the memory limit
  3. SetGoMemLimitWithOpts updates the Go runtime memory limit via debug.SetMemoryLimit
  4. SetGoMemLimitWithOpts with ratio 1.0 applies the exact memory limit without scaling
  5. SetGoMemLimitWithOpts returns an error when given an invalid ratio outside (0.0, 1.0]
  6. SetGoMemLimitWithOpts caps limits exceeding math.MaxInt64 to math.MaxInt64

Files

  • PROMPT.md
  • csx.json
  • go.mod
  • go.sum
  • main.go
  • spec.json
  • test/contract.go

Download the source artifact (tar.gz)

Origin Seeder

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