[QDP] Add launch_amplitude_encode_f32 function

[400Ping]

Purpose of PR

Related Issues or PRs

Related to #712

Changes Made

• Bug fix
• New feature
• Refactoring
• Documentation
• Test
• CI/CD pipeline
• Other

Breaking Changes

• Yes
• No

Checklist

• Added or updated unit tests for all changes
• Added or updated documentation for all changes
• Successfully built and ran all unit tests or manual tests locally
• PR title follows "MAHOUT-XXX: Brief Description" format (if related to an issue)
• Code follows ASF guidelines

[400Ping]

cc @rich7420 @guan404ming PTAL

[rich7420]

@400Ping thanks for the patch!
could you add some comments to explain?
On the other hand, maybe we could use __ldg to improve.
refer:

mahout/qdp/qdp-kernels/src/amplitude.cu

Line 184 in 328eecc

const double2 vec_data = __ldg(reinterpret_cast<const double2*>(input_batch + input_base) + elem_pair);

[400Ping]

@400Ping thanks for the patch! could you add some comments to explain? On the other hand, maybe we could use __ldg to improve. refer:

mahout/qdp/qdp-kernels/src/amplitude.cu

Line 184 in 328eecc

const double2 vec_data = __ldg(reinterpret_cast<const double2*>(input_batch + input_base) + elem_pair);

Done.

[rich7420]

cc @guan404ming