Swift Package IndexBuild Information
Successful build of USearch, reference v2.21.0 (fd6279), with Swift 6.1 for Android on 4 Sep 2025 16:39:46 UTC.
Swift 6 data race errors: 0
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.67.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/unum-cloud/usearch.git
Reference: v2.21.0
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: git branch -m <name>
From https://github.com/unum-cloud/usearch
* tag v2.21.0 -> FETCH_HEAD
HEAD is now at fd6279a Release: v2.21.0 [skip ci] ### Minor
Submodule path 'fp16': checked out '0a92994d729ff76a58f692d3028ca1b64b145d91'
Submodule path 'simsimd': checked out '869b8d84930af1413c34c92ede48e18d1d951b6d'
Submodule path 'stringzilla': checked out '2f4b1386ca2ed3c4178c1e4f467a2e78a911f3b2'
Submodule 'fp16' (https://github.com/maratyszcza/fp16) registered for path 'fp16'
Submodule 'simsimd' (https://github.com/ashvardanian/simsimd) registered for path 'simsimd'
Submodule 'stringzilla' (https://github.com/ashvardanian/stringzilla) registered for path 'stringzilla'
Cloning into '/host/spi-builder-workspace/fp16'...
Cloning into '/host/spi-builder-workspace/simsimd'...
Cloning into '/host/spi-builder-workspace/stringzilla'...
Cloned https://github.com/unum-cloud/usearch.git
Revision (git rev-parse @):
fd6279af6bc205baab1e0ad48651cc0f875cdb7d
SUCCESS checkout https://github.com/unum-cloud/usearch.git at v2.21.0
========================================
Build
========================================
Selected platform: android
Swift version: 6.1
Building package at path: $PWD
https://github.com/unum-cloud/usearch.git
https://github.com/unum-cloud/usearch.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
"cxx_language_standard" : "c++11",
"dependencies" : [
],
"manifest_display_name" : "USearch",
"name" : "USearch",
"path" : "/host/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "USearch",
"targets" : [
"USearch"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "USearchTestsSwift",
"module_type" : "SwiftTarget",
"name" : "USearchTestsSwift",
"path" : "swift",
"sources" : [
"Test.swift"
],
"target_dependencies" : [
"USearch"
],
"type" : "test"
},
{
"c99name" : "USearchC",
"module_type" : "ClangTarget",
"name" : "USearchC",
"path" : "c",
"product_memberships" : [
"USearch"
],
"sources" : [
"lib.cpp"
],
"type" : "library"
},
{
"c99name" : "USearch",
"module_type" : "SwiftTarget",
"name" : "USearch",
"path" : "swift",
"product_memberships" : [
"USearch"
],
"sources" : [
"USearchIndex+Sugar.swift",
"USearchIndex.swift",
"Util.swift"
],
"target_dependencies" : [
"USearchC"
],
"type" : "library"
}
],
"tools_version" : "6.0"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats 2>&1
android-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:8106a39f56f5bb7aad9f0d9a94f1e5362f9a40b692f7bc17efe17b7b91dc65fc
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:android-6.1-latest
Building for debugging...
[0/3] Write sources
[1/3] Write swift-version-24593BA9C3E375BF.txt
In file included from /host/spi-builder-workspace/c/lib.cpp:3:
In file included from /host/spi-builder-workspace/include/usearch/index_dense.hpp:12:
In file included from /host/spi-builder-workspace/include/usearch/index_plugins.hpp:74:
In file included from /host/spi-builder-workspace/simsimd/include/simsimd/simsimd.h:104:
In file included from /host/spi-builder-workspace/simsimd/include/simsimd/binary.h:50:
/host/spi-builder-workspace/simsimd/include/simsimd/types.h:366:2: warning: "Unknown compiler or architecture for bfloat16." [-W#warnings]
366 | #warning "Unknown compiler or architecture for bfloat16."
| ^
In file included from /host/spi-builder-workspace/c/lib.cpp:3:
In file included from /host/spi-builder-workspace/include/usearch/index_dense.hpp:12:
In file included from /host/spi-builder-workspace/include/usearch/index_plugins.hpp:74:
/host/spi-builder-workspace/simsimd/include/simsimd/simsimd.h:611:32: warning: unknown warning group '-Wvolatile', ignored [-Wunknown-warning-option]
611 | #pragma GCC diagnostic ignored "-Wvolatile"
| ^
/host/spi-builder-workspace/simsimd/include/simsimd/simsimd.h:612:34: warning: unknown warning group '-Wvolatile', ignored [-Wunknown-warning-option]
612 | #pragma clang diagnostic ignored "-Wvolatile"
| ^
3 warnings generated.
[2/3] Compiling USearchC lib.cpp
[4/7] Compiling USearch Util.swift
[5/7] Compiling USearch USearchIndex+Sugar.swift
[6/7] Compiling USearch USearchIndex.swift
[7/7] Emitting module USearch
Build complete! (10.10s)
Build complete.
{
"cxx_language_standard" : "c++11",
"dependencies" : [
],
"manifest_display_name" : "USearch",
"name" : "USearch",
"path" : "/host/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "USearch",
"targets" : [
"USearch"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "USearchTestsSwift",
"module_type" : "SwiftTarget",
"name" : "USearchTestsSwift",
"path" : "swift",
"sources" : [
"Test.swift"
],
"target_dependencies" : [
"USearch"
],
"type" : "test"
},
{
"c99name" : "USearchC",
"module_type" : "ClangTarget",
"name" : "USearchC",
"path" : "c",
"product_memberships" : [
"USearch"
],
"sources" : [
"lib.cpp"
],
"type" : "library"
},
{
"c99name" : "USearch",
"module_type" : "SwiftTarget",
"name" : "USearch",
"path" : "swift",
"product_memberships" : [
"USearch"
],
"sources" : [
"USearchIndex+Sugar.swift",
"USearchIndex.swift",
"Util.swift"
],
"target_dependencies" : [
"USearchC"
],
"type" : "library"
}
],
"tools_version" : "6.0"
}
android-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:8106a39f56f5bb7aad9f0d9a94f1e5362f9a40b692f7bc17efe17b7b91dc65fc
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:android-6.1-latest
Done.