Patents
US 12769477 B1: Memory access pattern truncation along most-significant dimension
- Granted
- 2026-10-20
- Filed
- 2025-03-11 application 19076800
- Type
- Utility · 20 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Techniques are disclosed for truncating memory access patterns to minimize unnecessary memory accesses. A write access pattern for an instruction from a set of memory access instructions is determined. The write access pattern indicates which of a set of memory elements of a memory region of a memory are written to during execution of the instruction. One or more read access patterns are determined that indicate which of the set of memory elements of the memory region are read from during execution of the set of memory access instructions. A most-significant dimension for the write access pattern is computed. A maximum read index of the set of memory elements that is read from by the one or more read access patterns is identified. The write access pattern is truncated along the most-significant dimension at or after the maximum read index to generate a truncated write access pattern.
Source: PTBLXML, file of 2026-10-20 (ipgb20261020.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Amazon Technologies, Inc. 23,285 patents | US company or organization | Seattle, WA | AMAZON TECHNOLOGIES INC. State business registration EXACT high confidence: identical full name and state | PTBLXML, file of 2026-10-20 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Hayden Stone Allen | Seattle, WA | PTBLXML, file of 2026-10-20 | ||
| Xin Liu | Issaquah, WA | 11 | PTBLXML, file of 2026-10-20 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| G06F | Electric digital data processing | G06F3/0655 | PTBLXML, file of 2026-10-20 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2025-11-05 | Assignment Assignment of assignor's interest | ALLEN, HAYDEN STONE signed 2025-03-11 LIU, XIN signed 2025-11-03 | AMAZON TECHNOLOGIES, INC. SEATTLE, WA | 72789/448 | PASDL, file of 2026-10-23 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.