Version Mapping

Product Version

Product	Index SDK
Product Version	26.0.0
Version Type	Release Version

Related Product Versions

Product	Version
Ascend HDK	26.0.RC1
CANN	9.0.0

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Version Compatibility

• Index SDK: After upgrading to this version, applications developed based on Index SDK need to be recompiled and relevant operators need to be regenerated.

Table 1 Software Version Compatibility Description

MindSDK Software Version	MindSDK Version to Upgrade	CANN Version Compatibility	Ascend HDK Version Compatibility
Index SDK 26.0.0	MindSDK 6.0.RC3 and patch versions MindSDK 6.0.0 and patch versions MindSDK 7.0.RC1 and patch versions MindSDK 7.1.RC1 and patch versions MindSDK 7.2.RC1 and patch versions MindSDK 7.3.0 and patch versions	CANN 8.1.RC1 and patch versions CANN 8.2.RC1 and patch versions CANN 8.3.RC1 and patch versions CANN 8.5.0 and patch versions CANN 9.0.0 and patch versions	Ascend HDK 25.0.RC1 and patch versions Ascend HDK 25.2.0 and patch versions Ascend HDK 25.3.RC1 and patch versions Ascend HDK 25.5.0 and patch versions Ascend HDK 26.0.RC1 and patch versions

Important Notes

None

Update Notes

New Features

Feature	Description	Supported Product Model
Index SDK	ILFlat standard-state performance optimization: For a base library with 5 million entries and 256 dimensions, the time required to randomly retrieve 40,000 entries from the base library with GetFeature is reduced to within 25 ms. Heterogeneous memory support for additional attributes in the spatiotemporal library: The feature supports TSInt8FlatCos in the spatiotemporal library. At 1024 dimensions, you can add additional attributes in heterogeneous memory scenarios, and retrieval can correctly filter by additional attributes.	Atlas 300I Pro Inference Card Atlas 300V Video Analysis Card Atlas 300V Pro Video Analysis Card Atlas 300I Duo Inference Card Atlas 200I SoC A1 Core Board Atlas 300I Inference Card (Model 3000) Atlas 300I Inference Card (Model 3010) Atlas 800I A2 Inference Server

Service Interface Changes

Index SDK

• No interface changes are involved.

Key Feature Changes

None

Resolved Issues

None

Known Issues

• No known issues.

Upgrade Impact

Impact on the System During the Upgrade

None

Impact on the System After the Upgrade

None

26.0.0 Documentation

Document	Description	Release Notes
Index SDK 26.0.0 User Guide	Mainly includes the usage process of Index SDK, algorithm introduction, operator generation instructions, API interface descriptions, and other common operations.	For changes, see Index SDK 26.0.0 User Guide.

Fixed Vulnerabilities

None