FA-98553 / KV cache position mapping / Member archive

Ring slots are read in logical order · case 03

Physical slot order is returned as if it were chronological order.

Member previewVariant 3 · 3 implementations · 6 checks per implementation

Case contract

Given slot values, oldest_slot, and count, return values for count consecutive occupied slots starting at oldest_slot with wraparound. count is between zero and capacity.

Why this case matters

A small in-memory model makes the cache address contract explicit for a serving component.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixture	Actual	Expected	Outcome
wrapped sequence	`["a", "b", "c"]`	`["d", "a", "b"]`	Failed

MEMBER ARCHIVE

The complete case is available to members.

This record includes three runnable implementations, regression fixtures, execution results, and source hashes.

Member access is invitation-based. Sign in with your invited account to inspect the sources.