Intel® Core™ Ultra Series 3 Processors CFG and MEM Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 872351 | 04/14/2026 | 001 | Public |
Engine Capabilities (ENGCAP) – Offset 38
Within an engine, multiple descriptors may be processed concurrently, in a pipelined manner. If the Descriptors in Progress Limit Supported field in GRPCAP is 1, the Maximum Work Descriptors in Progress and Maximum Batch Descriptors in Progress fields in ENGCAP specify the maximum number that may be concurrently in process in an engine at a given time.
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 63:24 | 0h | RO | Reserved |
| 23:16 | 0h | RO/V | Maximum Batch Descriptors in Progress (MBDIP) The maximum number of batch descriptors that each engine is capable of concurrently processing at any time. This field is undefined if the Descriptors in Progress Limit Supported field is GRPCAP is 0. |
| 15:8 | 10h | RO/V | Maximum Work Descriptors in Progress (MWDIP) The maximum number of work descriptors that each engine is capable of concurrently processing at any time. This field is undefined if the Descriptors in Progress Limit Supported field is GRPCAP is 0. |
| 7:0 | 6h | RO/V | Number of Engines (NUMENG) Number of Engines |