USearch HNSW index for ANN search by davvard · Pull Request #53447 · ClickHouse/ClickHouse

davvard · 2023-08-15T12:23:41Z

This PR integrates USearch that implements HNSW approximate nearest neighbor search. The code and SQL interface is similar to the existing Annoy index. It can be easily extended in future to support further metrics and allow on-the-fly quantization.

Changelog category (leave one):

New Feature

Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md)

Add experimental support for HNSW as approximate neighbor search method.

Documentation entry for user-facing changes

[ X ] Documentation is written (mandatory for new features)

CLAassistant · 2023-08-15T12:23:46Z

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
2 out of 3 committers have signed the CLA.

✅ rschu1ze
✅ davvard
❌ ashvardanian
_{You have signed the CLA already but the status is still pending? Let us recheck it.}

robot-ch-test-poll4 · 2023-08-15T13:39:16Z

This is an automated comment for commit 2c33051 with description of existing statuses. It's updated for the latest CI running
The full report is available here
The overall status of the commit is 🔴 failure

Check name	Description	Status
AST fuzzer	Runs randomly generated queries to catch program errors. The build type is optionally given in parenthesis. If it fails, ask a maintainer for help	🟢 success
CI running	A meta-check that indicates the running CI. Normally, it's in success or pending state. The failed status indicates some problems with the PR	🟢 success
ClickHouse build check	Builds ClickHouse in various configurations for use in further steps. You have to fix the builds that fail. Build logs often has enough information to fix the error, but you might have to reproduce the failure locally. The cmake options can be found in the build log, grepping for cmake. Use these options and follow the general build process	🟢 success
Compatibility check	Checks that clickhouse binary runs on distributions with old libc versions. If it fails, ask a maintainer for help	🟢 success
Docker image for servers	The check to build and optionally push the mentioned image to docker hub	🟢 success
Docs Check	Builds and tests the documentation	🟢 success
Fast test	Normally this is the first check that is ran for a PR. It builds ClickHouse and runs most of stateless functional tests, omitting some. If it fails, further checks are not started until it is fixed. Look at the report to see which tests fail, then reproduce the failure locally as described here	🟢 success
Flaky tests	Checks if new added or modified tests are flaky by running them repeatedly, in parallel, with more randomization. Functional tests are run 100 times with address sanitizer, and additional randomization of thread scheduling. Integrational tests are run up to 10 times. If at least once a new test has failed, or was too long, this check will be red. We don't allow flaky tests, read the doc	🟢 success
Install packages	Checks that the built packages are installable in a clear environment	🟢 success
Integration tests	The integration tests report. In parenthesis the package type is given, and in square brackets are the optional part/total tests	🟢 success
Mergeable Check	Checks if all other necessary checks are successful	🟢 success
Performance Comparison	Measure changes in query performance. The performance test report is described in detail here. In square brackets are the optional part/total tests	🟢 success
Push to Dockerhub	The check for building and pushing the CI related docker images to docker hub	🟢 success
SQLTest	There's no description for the check yet, please add it to tests/ci/ci_config.py:CHECK_DESCRIPTIONS	🟢 success
SQLancer	Fuzzing tests that detect logical bugs with SQLancer tool	🔴 failure
Sqllogic	Run clickhouse on the sqllogic test set against sqlite and checks that all statements are passed	🟢 success
Stateful tests	Runs stateful functional tests for ClickHouse binaries built in various configurations -- release, debug, with sanitizers, etc	🟢 success
Stateless tests	Runs stateless functional tests for ClickHouse binaries built in various configurations -- release, debug, with sanitizers, etc	🟢 success
Stress test	Runs stateless functional tests concurrently from several clients to detect concurrency-related errors	🟢 success
Style Check	Runs a set of checks to keep the code style clean. If some of tests failed, see the related log from the report	🟢 success
Unit tests	Runs the unit tests for different release types	🟢 success
Upgrade check	Runs stress tests on server version from last release and then tries to upgrade it to the version from the PR. It checks if the new server can successfully startup without any errors, crashes or sanitizer asserts	🔴 failure

docs/en/engines/table-engines/mergetree-family/annindexes.md

src/Core/Settings.h

tests/queries/0_stateless/02354_hnsw_index.sql

tests/queries/0_stateless/02354_hnsw_index.reference

src/Storages/MergeTree/MergeTreeIndexHnsw.h

src/Storages/MergeTree/MergeTreeIndexHnsw.cpp

ashvardanian · 2023-08-17T23:25:08Z

@rschu1ze, have you by any chance saved the error messages from RISC-V builds - the ones that are related to half-precision floats? We have a compilation flag, that allows switching to a more hardware-friendly implementation.

PS: Will extend documentation soon.

rschu1ze · 2023-08-18T11:14:09Z

@rschu1ze, have you by any chance saved the error messages from RISC-V builds - the ones that are related to half-precision floats? We have a compilation flag, that allows switching to a more hardware-friendly implementation.

PS: Will extend documentation soon.

Couldn't find them anymore in our CI.

But to repro the error message locally, do the following:

checkout this PR
remove the exclusion of RISCV in contrib/CMakeLists.txt
comment out line set (LINKER_NAME "riscv64-linux-gnu-ld.bfd" CACHE STRING "Linker name" FORCE) in cmake/linux/toolchain-riscv64.cmake (didn't manage to setup this linker on my system quickly, but we don't need the linker for the repro anyways)
mkdir build, cd build, cmake -DCMAKE_BUILD_TYPE=None -DCMAKE_TOOLCHAIN_FILE=../cmake/linux/toolchain-riscv64.cmake -DCMAKE_C_COMPILER=clang-16 -DCMAKE_CXX_COMPILER=clang++-16 .., ninja src/CMakeFiles/dbms.dir/Storages/MergeTree/MergeTreeIndexUSearch.cpp.o

-- Build files have been written to: /home/ubuntu/repo/ch2/build_riscv
[0/2] Re-checking globbed directories...
[2/2] Building CXX object src/CMakeFiles/dbms.dir/Storages/MergeTree/MergeTreeIndexUSearch.cpp.o
FAILED: src/CMakeFiles/dbms.dir/Storages/MergeTree/MergeTreeIndexUSearch.cpp.o
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h.cpp.o -c /home/ubuntu/repo/ch2/src/Storages/MergeTree/MergeTreeIndexUSearch.cpp
In file included from /home/ubuntu/repo/ch2/src/Storages/MergeTree/MergeTreeIndexUSearch.cpp:3:
In file included from /home/ubuntu/repo/ch2/src/Storages/MergeTree/MergeTreeIndexUSearch.h:5:
In file included from /home/ubuntu/repo/ch2/src/Storages/MergeTree/ApproximateNearestNeighborIndexesCommon.h:3:
In file included from /home/ubuntu/repo/ch2/src/Storages/MergeTree/MergeTreeIndices.h:3:
In file included from /home/ubuntu/repo/ch2/contrib/llvm-project/libcxx/include/string:551:
In file included from /home/ubuntu/repo/ch2/contrib/llvm-project/libcxx/include/string_view:223:
In file included from /home/ubuntu/repo/ch2/contrib/llvm-project/libcxx/include/functional:518:
/home/ubuntu/repo/ch2/contrib/llvm-project/libcxx/include/__functional/function.h:710:16: error: loop not vectorized: the optimizer was unable to perform the requested transformation; the transformation might be disabled or specified as part of an unsupported transformation ordering [-Werror,-Wpass-failed=transform-warning]
    static _Rp __call_impl(const __policy_storage* __buf,
               ^
/home/ubuntu/repo/ch2/contrib/llvm-project/libcxx/include/__functional/function.h:710:16: note: could not determine the original source location for ./contrib/usearch/include/usearch/index_plugins.hpp:879:9
/home/ubuntu/repo/ch2/contrib/llvm-project/libcxx/include/__functional/function.h:710:16: note: could not determine the original source location for ./contrib/usearch/include/usearch/index_plugins.hpp:904:9
/home/ubuntu/repo/ch2/contrib/llvm-project/libcxx/include/__functional/function.h:710:16: error: loop not vectorized: the optimizer was unable to perform the requested transformation; the transformation might be disabled or specified as part of an unsupported transformation ordering [-Werror,-Wpass-failed=transform-warning]
    static _Rp __call_impl(const __policy_storage* __buf,
               ^
/home/ubuntu/repo/ch2/contrib/llvm-project/libcxx/include/__functional/function.h:710:16: note: could not determine the original source location for ./contrib/usearch/include/usearch/index_plugins.hpp:904:9
/home/ubuntu/repo/ch2/contrib/llvm-project/libcxx/include/__functional/function.h:710:16: note: could not determine the original source location for ./contrib/usearch/include/usearch/index_plugins.hpp:1099:9
/home/ubuntu/repo/ch2/contrib/llvm-project/libcxx/include/__functional/function.h:710:16: error: loop not vectorized: the optimizer was unable to perform the requested transformation; the transformation might be disabled or specified as part of an unsupported transformation ordering [-Werror,-Wpass-failed=transform-warning]
    static _Rp __call_impl(const __policy_storage* __buf,
               ^
/home/ubuntu/repo/ch2/contrib/llvm-project/libcxx/include/__functional/function.h:710:16: note: could not determine the original source location for ./contrib/usearch/include/usearch/index_plugins.hpp:1099:9
/home/ubuntu/repo/ch2/contrib/llvm-project/libcxx/include/__functional/function.h:710:16: note: could not determine the original source location for ./contrib/usearch/include/usearch/index_plugins.hpp:879:9
/home/ubuntu/repo/ch2/contrib/llvm-project/libcxx/include/__functional/function.h:710:16: error: loop not vectorized: the optimizer was unable to perform the requested transformation; the transformation might be disabled or specified as part of an unsupported transformation ordering [-Werror,-Wpass-failed=transform-warning]
    static _Rp __call_impl(const __policy_storage* __buf,
               ^
/home/ubuntu/repo/ch2/contrib/llvm-project/libcxx/include/__functional/function.h:710:16: note: could not determine the original source location for ./contrib/usearch/include/usearch/index_plugins.hpp:879:9
/home/ubuntu/repo/ch2/contrib/llvm-project/libcxx/include/__functional/function.h:710:16: note: could not determine the original source location for ./contrib/usearch/include/usearch/index_plugins.hpp:904:9
/home/ubuntu/repo/ch2/contrib/llvm-project/libcxx/include/__functional/function.h:710:16: error: loop not vectorized: the optimizer was unable to perform the requested transformation; the transformation might be disabled or specified as part of an unsupported transformation ordering [-Werror,-Wpass-failed=transform-warning]
    static _Rp __call_impl(const __policy_storage* __buf,
               ^
/home/ubuntu/repo/ch2/contrib/llvm-project/libcxx/include/__functional/function.h:710:16: note: could not determine the original source location for ./contrib/usearch/include/usearch/index_plugins.hpp:904:9
/home/ubuntu/repo/ch2/contrib/llvm-project/libcxx/include/__functional/function.h:710:16: note: could not determine the original source location for ./contrib/usearch/include/usearch/index_plugins.hpp:904:9
/home/ubuntu/repo/ch2/contrib/llvm-project/libcxx/include/__functional/function.h:710:16: error: loop not vectorized: the optimizer was unable to perform the requested transformation; the transformation might be disabled or specified as part of an unsupported transformation ordering [-Werror,-Wpass-failed=transform-warning]
    static _Rp __call_impl(const __policy_storage* __buf,
               ^
/home/ubuntu/repo/ch2/contrib/llvm-project/libcxx/include/__functional/function.h:710:16: note: could not determine the original source location for ./contrib/usearch/include/usearch/index_plugins.hpp:904:9
/home/ubuntu/repo/ch2/contrib/llvm-project/libcxx/include/__functional/function.h:710:16: note: could not determine the original source location for ./contrib/usearch/include/usearch/index_plugins.hpp:1123:9
/home/ubuntu/repo/ch2/contrib/llvm-project/libcxx/include/__functional/function.h:710:16: error: loop not vectorized: the optimizer was unable to perform the requested transformation; the transformation might be disabled or specified as part of an unsupported transformation ordering [-Werror,-Wpass-failed=transform-warning]
    static _Rp __call_impl(const __policy_storage* __buf,
               ^
/home/ubuntu/repo/ch2/contrib/llvm-project/libcxx/include/__functional/function.h:710:16: note: could not determine the original source location for ./contrib/usearch/include/usearch/index_plugins.hpp:1123:9
/home/ubuntu/repo/ch2/contrib/llvm-project/libcxx/include/__functional/function.h:710:16: note: could not determine the original source location for ./contrib/usearch/include/usearch/index_plugins.hpp:934:9
/home/ubuntu/repo/ch2/contrib/llvm-project/libcxx/include/__functional/function.h:710:16: error: loop not vectorized: the optimizer was unable to perform the requested transformation; the transformation might be disabled or specified as part of an unsupported transformation ordering [-Werror,-Wpass-failed=transform-warning]
    static _Rp __call_impl(const __policy_storage* __buf,
               ^
/home/ubuntu/repo/ch2/contrib/llvm-project/libcxx/include/__functional/function.h:710:16: note: could not determine the original source location for ./contrib/usearch/include/usearch/index_plugins.hpp:934:9
/home/ubuntu/repo/ch2/contrib/llvm-project/libcxx/include/__functional/function.h:710:16: note: could not determine the original source location for ./contrib/usearch/include/usearch/index_plugins.hpp:934:9
/home/ubuntu/repo/ch2/contrib/llvm-project/libcxx/include/__functional/function.h:710:16: error: loop not vectorized: the optimizer was unable to perform the requested transformation; the transformation might be disabled or specified as part of an unsupported transformation ordering [-Werror,-Wpass-failed=transform-warning]
    static _Rp __call_impl(const __policy_storage* __buf,
               ^
/home/ubuntu/repo/ch2/contrib/llvm-project/libcxx/include/__functional/function.h:710:16: note: could not determine the original source location for ./contrib/usearch/include/usearch/index_plugins.hpp:934:9
/home/ubuntu/repo/ch2/contrib/llvm-project/libcxx/include/__functional/function.h:710:16: note: could not determine the original source location for ./contrib/usearch/include/usearch/index_plugins.hpp:934:9
/home/ubuntu/repo/ch2/contrib/llvm-project/libcxx/include/__functional/function.h:710:16: error: loop not vectorized: the optimizer was unable to perform the requested transformation; the transformation might be disabled or specified as part of an unsupported transformation ordering [-Werror,-Wpass-failed=transform-warning]
    static _Rp __call_impl(const __policy_storage* __buf,
[...]

tests/queries/0_stateless/02354_usearch_index.sql

Add: USearch

48c62fd

rschu1ze self-assigned this Aug 15, 2023

robot-ch-test-poll4 added the submodule changed At least one submodule changed in this PR. label Aug 15, 2023

rschu1ze mentioned this pull request Aug 15, 2023

Support for Vector Search HNSW Index #52552

Closed

rschu1ze added the can be tested Allows running workflows for external contributors label Aug 15, 2023

robot-ch-test-poll1 added the pr-feature Pull request with new product feature label Aug 15, 2023

Merge remote-tracking branch 'ClickHouse/master' into usearch

ea69eb0

rschu1ze reviewed Aug 16, 2023

View reviewed changes

Merge branch 'ClickHouse:master' into master

b60bae3

ashvardanian suggested changes Aug 16, 2023

View reviewed changes

src/Storages/MergeTree/MergeTreeIndexHnsw.cpp Outdated Show resolved Hide resolved

src/Storages/MergeTree/MergeTreeIndexHnsw.cpp Outdated Show resolved Hide resolved

davvard and others added 15 commits August 16, 2023 17:27

Fix: USearch test

672fa07

Add: USearch default granularity

e5b4592

Add: allow_experimental_usearch_index checks

ef2957c

Fix: Exception handling

620733d

Refactor: Naming

a0ec274

Docs: Update USearch docs

c685ac3

Tweak exception handling

5a87a09

Fix spelling

b711802

Merge remote-tracking branch 'rschu1ze/master'

456a02d

Make the code consistent with Annoy index and fix build

f420006

Rename file to MergeTreeIndexUSearch.h/cpp

42644bf

Update docs

ac7a27b

Make usearch dependencies separate submodules

c823d1f

Make test name consistent with index name

409dbbe

Exclude risc-v (gives compile errors in FP16)

f0fe3e1

rschu1ze changed the title ~~Add: USearch Integration~~ USearch HNSW index for ANN search Aug 18, 2023

Docs: Extend USearch implementation details

9a42546

ashvardanian mentioned this pull request Aug 18, 2023

Bug: RISC-V compilation failure unum-cloud/USearch#204

Closed

2 tasks

Update annindexes.md

e09098c

alexey-milovidov reviewed Aug 18, 2023

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tests/queries/0_stateless/02354_usearch_index.sql Outdated Show resolved Hide resolved

rschu1ze added 2 commits August 19, 2023 01:39

Update 02354_usearch_index.sql

7ade175

Another compile fix

2c33051

rschu1ze merged commit a20ceef into ClickHouse:master Aug 21, 2023

skeptrunedev mentioned this pull request Aug 23, 2023

USearch HNSW index: code: 1001 Magic header mismatch - the file isn't an index #53767

Closed

nkg114mc mentioned this pull request Aug 9, 2024

Please add more instructions about how to specify the HNSW parameters when building and querying the usearch ANN index #68059

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USearch HNSW index for ANN search#53447

USearch HNSW index for ANN search#53447
rschu1ze merged 22 commits intoClickHouse:masterfrom
davvard:master

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Changelog category (leave one):

Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md)

Documentation entry for user-facing changes

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davvard commented Aug 15, 2023 •

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