[REVIEW] Rename small_hash_bitlen of Single-CTA

[QDXG-CXK]

In the implementation of the single-cta algorithm in CAGRA, the naming of the variable small_hash_bitlen is inappropriate.
Both single_cta_search::search and multi_cta_search::search inherit from search_plan_impl , which in turn includes the member variable small_hash_bitlen . However, while in the multi-cta algorithm this parameter represents the bit length of the local hash, in the single-cta algorithm it is mainly used to determine whether the small hash method is being used. Even when the small hash method is used in single-cta, the hash length is still passed using hash_bitlen instead of small_hash_bitlen , which leads to potential confusion. Since it is used as a boolean flag in this context, use_small_hash is a more appropriate name.

This PR introduces the following changes:

1. Renames small_hash_bitlen to use_small_hash in the single-cta algorithm, and maps small_hash_bitlen to either 1 or 0.
2. The shared memory layout, which was previously determined by small_hash_bitlen , is now determined by the hash_bitlen parameter.
3. The check for whether the small hash method is used, which was previously done via small_hash_bitlen , is now handled by the use_small_hash parameter.

These changes do not affect program logic.

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[cjnolet]

/ok to test 26d38a4

[QDXG-CXK]

Hi @cjnolet,
I have formated with clang-format, but am I responsible to change the copyright for below reports of pre-commit run?

I got:

[cjnolet]

Hi @QDXG-CXK,

Pre-commit will update the file for you, but you still need to explicitly add it to your git commit and push. Does this answer your question?

[QDXG-CXK]

Hi @QDXG-CXK,

Pre-commit will update the file for you, but you still need to explicitly add it to your git commit and push. Does this answer your question?

Sure! I have updated the code and it is ready for review.
Thank you very much.

[QDXG-CXK]

Hi @cjnolet, could you please review this PR?

[cjnolet]

/ok to test 266a6c3

[cjnolet]

/ok to test 31bea9d