No std(WIP)

.github/workflows/rust.yml

@@ -0,0 +1,21 @@
+name: Rust
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Build
+        run: cargo build --verbose
+      - name: Run tests
+        run: cargo test --verbose

.gitignore

@@ -8,3 +8,18 @@ Cargo.lock
 
 # These are backup files generated by rustfmt
 **/*.rs.bk
+
+
+# Added by cargo
+#
+# already existing elements were commented out
+
+/target
+#Cargo.lock
+examples/Cargo.lock
+examples/target
+examples/target/
+*.so
+.DS_STORE
+build/
+examples/src/*.hdf5

Cargo.toml

@@ -0,0 +1,62 @@
+[package]
+authors = ["aljun <[email protected]>"]
+edition = "2018"
+license = "Apache-2.0"
+name = "hora"
+version = "0.1.0"
+
+description = "Hora Search Everywhere"
+documentation = "https://docs.rs/hora/"
+repository = "https://github.com/hora-search/hora"
+
+categories = ["artificial intelligence"]
+keywords = ["approximate nearest neighbor search", "artificial intelligence", "SIMD", "nearest-neighbor-search", "no_std"]
+
+[profile.dev]
+codegen-units = 4 
+debug = 1 # required for line numbers in tests, see tikv #5049
+debug-assertions = true 
+incremental = true 
+lto = false 
+opt-level = 0 
+overflow-checks = false 
+panic = 'unwind' 
+rpath = false 
+
+[profile.release]
+codegen-units = 1
+debug = false
+debug-assertions = false
+incremental = false
+lto = "fat"
+opt-level = 3
+overflow-checks = false
+panic = 'unwind'
+rpath = false
+
+[features]
+no_std = ["hashbrown"]
+simd = ["packed_simd"]
+
+[dependencies]
+bincode = "1.3.2"
+fixedbitset = "0.4.0"
+hashbrown = {version = "0.11.2", optional = true}
+log = "^0.4"
+# num = "0.4.0"
+packed_simd = {version = "0.3.5", package = "packed_simd_2", optional = true}
+rand = "0.8.3"
+rayon = "^1.5"
+serde = {version = "1.0", features = ["derive"]}
+smallvec = {version = "1.6.1", features = ["serde"], optional = true}
+
+[dev-dependencies]
+criterion = "0.3.4"
+
+[dependencies.num]
+version = "0.4"
+default-features = false
+
+[[bench]]
+harness = false
+name = "bench_metrics"