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CANN: Fix precision issue on 310I DUO multi-devices (#15784)

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hipudding
2025-09-04 15:12:30 +08:00
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4 changed files with 28 additions and 16 deletions
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docs/backend/CANN.md
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@@ -293,17 +293,14 @@ We would like to thank Tuo Dai, Shanni Li, and all of the project maintainers fr
## Environment variable setup
### GGML_CANN_ASYNC_MODE
Enables asynchronous operator submission. Disabled by default.
### GGML_CANN_MEM_POOL
Specifies the memory pool management strategy:
Specifies the memory pool management strategy, Default is vmm.
- vmm: Utilizes a virtual memory manager pool. If hardware support for VMM is unavailable, falls back to the legacy (leg) memory pool.
- prio: Employs a priority queue-based memory pool management.
- leg: Uses a fixed-size buffer pool.
### GGML_CANN_DISABLE_BUF_POOL_CLEAN
@@ -312,9 +309,8 @@ Controls automatic cleanup of the memory pool. This option is only effective whe
### GGML_CANN_WEIGHT_NZ
Converting the matmul weight format from ND to NZ can significantly improve performance on the 310I DUO NPU.
Converting the matmul weight format from ND to NZ to improve performance. Enabled by default.
### GGML_CANN_DISABLE_ACL_GRAPH
### GGML_CANN_ACL_GRAPH
When this variable is set, ACL graph execution is disabled and operators are executed in an op-by-op (eager) mode.
This mode is mainly intended for debugging or for cases where the overhead of graph construction and execution is not desirable.
Operators are executed using ACL graph execution, rather than in op-by-op (eager) mode. Enabled by default.