mirror of
https://github.com/huggingface/text-generation-inference.git
synced 2025-05-15 14:42:11 +00:00
Adding Dummy kvrouter.
This commit is contained in:
Nicolas Patry
parent
7ef8b89ee7
commit
6a88063cc2
250
Cargo.lock
generated
250
Cargo.lock
generated
@ -24,11 +24,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "e89da841a80418a9b391ebaea17f5c112ffaaa96f621d2c285b5174da76b9011"
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dependencies = [
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"cfg-if",
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"getrandom",
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"getrandom 0.2.15",
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"once_cell",
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"serde",
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"version_check",
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"zerocopy",
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"zerocopy 0.7.35",
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]
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[[package]]
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@ -291,7 +291,7 @@ dependencies = [
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"http-body 0.4.6",
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"hyper 0.14.31",
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"itoa",
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"matchit",
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"matchit 0.7.3",
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"memchr",
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"mime",
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"percent-encoding",
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@ -321,10 +321,10 @@ dependencies = [
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"http 1.1.0",
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"http-body 1.0.1",
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"http-body-util",
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"hyper 1.5.1",
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"hyper 1.5.2",
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"hyper-util",
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"itoa",
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"matchit",
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"matchit 0.7.3",
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"memchr",
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"mime",
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"percent-encoding",
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@ -336,7 +336,42 @@ dependencies = [
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"serde_urlencoded",
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"sync_wrapper 1.0.2",
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"tokio",
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"tower 0.5.1",
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"tower 0.5.2",
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"tower-layer",
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"tower-service",
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"tracing",
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]
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[[package]]
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name = "axum"
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version = "0.8.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "6d6fd624c75e18b3b4c6b9caf42b1afe24437daaee904069137d8bab077be8b8"
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dependencies = [
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"axum-core 0.5.0",
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"axum-macros",
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"bytes",
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"form_urlencoded",
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"futures-util",
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"http 1.1.0",
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"http-body 1.0.1",
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"http-body-util",
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"hyper 1.5.2",
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"hyper-util",
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"itoa",
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"matchit 0.8.4",
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"memchr",
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"mime",
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"percent-encoding",
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"pin-project-lite",
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"rustversion",
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"serde",
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"serde_json",
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"serde_path_to_error",
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"serde_urlencoded",
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"sync_wrapper 1.0.2",
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"tokio",
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"tower 0.5.2",
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"tower-layer",
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"tower-service",
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"tracing",
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@ -380,6 +415,37 @@ dependencies = [
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"tracing",
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]
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[[package]]
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name = "axum-core"
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version = "0.5.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "df1362f362fd16024ae199c1970ce98f9661bf5ef94b9808fee734bc3698b733"
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dependencies = [
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"bytes",
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"futures-util",
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"http 1.1.0",
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"http-body 1.0.1",
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"http-body-util",
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"mime",
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"pin-project-lite",
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"rustversion",
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"sync_wrapper 1.0.2",
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"tower-layer",
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"tower-service",
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"tracing",
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]
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[[package]]
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name = "axum-macros"
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version = "0.5.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "604fde5e028fea851ce1d8570bbdc034bec850d157f7569d10f347d06808c05c"
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dependencies = [
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"proc-macro2",
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"quote",
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"syn 2.0.89",
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]
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[[package]]
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name = "axum-tracing-opentelemetry"
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version = "0.16.0"
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@ -1442,7 +1508,19 @@ checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7"
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dependencies = [
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"cfg-if",
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"libc",
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"wasi",
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"wasi 0.11.0+wasi-snapshot-preview1",
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]
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[[package]]
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name = "getrandom"
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version = "0.3.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "43a49c392881ce6d5c3b8cb70f98717b7c07aabbdff06687b9030dbfbe2725f8"
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dependencies = [
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"cfg-if",
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"libc",
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"wasi 0.13.3+wasi-0.2.2",
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"windows-targets 0.52.6",
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]
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[[package]]
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@ -1596,7 +1674,7 @@ dependencies = [
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"log",
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"native-tls",
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"num_cpus",
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"rand",
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"rand 0.8.5",
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"reqwest 0.11.27",
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"serde",
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"serde_json",
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@ -1719,9 +1797,9 @@ dependencies = [
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[[package]]
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name = "hyper"
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version = "1.5.1"
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version = "1.5.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "97818827ef4f364230e16705d4706e2897df2bb60617d6ca15d598025a3c481f"
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checksum = "256fb8d4bd6413123cc9d91832d78325c48ff41677595be797d90f42969beae0"
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dependencies = [
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"bytes",
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"futures-channel",
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@ -1746,7 +1824,7 @@ checksum = "08afdbb5c31130e3034af566421053ab03787c640246a446327f550d11bcb333"
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dependencies = [
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"futures-util",
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"http 1.1.0",
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"hyper 1.5.1",
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"hyper 1.5.2",
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"hyper-util",
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"log",
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"rustls 0.23.17",
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@ -1793,7 +1871,7 @@ dependencies = [
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"futures-util",
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"http 1.1.0",
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"http-body 1.0.1",
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"hyper 1.5.1",
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"hyper 1.5.2",
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"pin-project-lite",
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"socket2",
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"tokio",
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@ -2166,6 +2244,21 @@ dependencies = [
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"uuid-simd",
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]
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[[package]]
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name = "kvrouter"
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version = "3.0.2-dev0"
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dependencies = [
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"async-stream",
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"axum 0.8.1",
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"futures",
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"futures-util",
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"hyper 1.5.2",
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"hyper-util",
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"rand 0.9.0",
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"slotmap",
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"tokio",
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]
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[[package]]
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name = "lazy_static"
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version = "1.5.0"
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@ -2318,6 +2411,12 @@ version = "0.7.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "0e7465ac9959cc2b1404e8e2367b43684a6d13790fe23056cc8c6c5a6b7bcb94"
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[[package]]
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name = "matchit"
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version = "0.8.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "47e1ffaa40ddd1f3ed91f717a33c8c0ee23fff369e3aa8772b9605cc1d22f4c3"
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[[package]]
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name = "maybe-rayon"
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version = "0.1.1"
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@ -2361,7 +2460,7 @@ checksum = "b4f0c8427b39666bf970460908b213ec09b3b350f20c0c2eabcbba51704a08e6"
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dependencies = [
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"base64 0.22.1",
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"http-body-util",
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"hyper 1.5.1",
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"hyper 1.5.2",
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"hyper-rustls",
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"hyper-util",
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"indexmap 2.6.0",
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@ -2450,7 +2549,7 @@ dependencies = [
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"hermit-abi 0.3.9",
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"libc",
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"log",
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"wasi",
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"wasi 0.11.0+wasi-snapshot-preview1",
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"windows-sys 0.52.0",
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]
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@ -2499,7 +2598,7 @@ dependencies = [
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"bytes",
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"futures",
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"pin-project",
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"rand",
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"rand 0.8.5",
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"thiserror",
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"tokio",
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"tokio-util",
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@ -2931,7 +3030,7 @@ dependencies = [
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"opentelemetry_api",
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"ordered-float 3.9.2",
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"percent-encoding",
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"rand",
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"rand 0.8.5",
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"regex",
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"serde_json",
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"thiserror",
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@ -2955,7 +3054,7 @@ dependencies = [
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"opentelemetry 0.21.0",
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"ordered-float 4.5.0",
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"percent-encoding",
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"rand",
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"rand 0.8.5",
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"thiserror",
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]
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@ -3159,7 +3258,7 @@ version = "0.2.20"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "77957b295656769bb8ad2b6a6b09d897d94f05c41b069aede1fcdaa675eaea04"
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dependencies = [
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"zerocopy",
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"zerocopy 0.7.35",
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]
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[[package]]
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@ -3392,7 +3491,7 @@ dependencies = [
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"libc",
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"once_cell",
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"raw-cpuid",
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"wasi",
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"wasi 0.11.0+wasi-snapshot-preview1",
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"web-sys",
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"winapi",
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]
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@ -3419,8 +3518,19 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
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dependencies = [
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"libc",
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"rand_chacha",
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"rand_core",
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"rand_chacha 0.3.1",
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"rand_core 0.6.4",
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]
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[[package]]
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name = "rand"
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version = "0.9.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3779b94aeb87e8bd4e834cee3650289ee9e0d5677f976ecdb6d219e5f4f6cd94"
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dependencies = [
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"rand_chacha 0.9.0",
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"rand_core 0.9.0",
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"zerocopy 0.8.14",
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]
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[[package]]
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@ -3430,7 +3540,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
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dependencies = [
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"ppv-lite86",
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"rand_core",
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"rand_core 0.6.4",
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]
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[[package]]
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name = "rand_chacha"
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version = "0.9.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "d3022b5f1df60f26e1ffddd6c66e8aa15de382ae63b3a0c1bfc0e4d3e3f325cb"
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dependencies = [
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"ppv-lite86",
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"rand_core 0.9.0",
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]
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[[package]]
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@ -3439,7 +3559,17 @@ version = "0.6.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
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dependencies = [
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"getrandom",
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"getrandom 0.2.15",
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]
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[[package]]
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name = "rand_core"
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version = "0.9.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b08f3c9802962f7e1b25113931d94f43ed9725bebc59db9d0c3e9a23b67e15ff"
|
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dependencies = [
|
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"getrandom 0.3.1",
|
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"zerocopy 0.8.14",
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]
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[[package]]
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@ -3489,8 +3619,8 @@ dependencies = [
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"once_cell",
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"paste",
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"profiling",
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"rand",
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"rand_chacha",
|
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"rand 0.8.5",
|
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"rand_chacha 0.3.1",
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"simd_helpers",
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"system-deps",
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"thiserror",
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@ -3568,7 +3698,7 @@ version = "0.4.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ba009ff324d1fc1b900bd1fdb31564febe58a8ccc8a6fdbb93b543d33b13ca43"
|
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dependencies = [
|
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"getrandom",
|
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"getrandom 0.2.15",
|
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"libredox",
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"thiserror",
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]
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@ -3704,7 +3834,7 @@ dependencies = [
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"http 1.1.0",
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"http-body 1.0.1",
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"http-body-util",
|
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"hyper 1.5.1",
|
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"hyper 1.5.2",
|
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"hyper-util",
|
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"ipnet",
|
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"js-sys",
|
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@ -3755,7 +3885,7 @@ checksum = "c17fa4cb658e3583423e915b9f3acc01cceaee1860e33d59ebae66adc3a2dc0d"
|
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dependencies = [
|
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"cc",
|
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"cfg-if",
|
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"getrandom",
|
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"getrandom 0.2.15",
|
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"libc",
|
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"spin 0.9.8",
|
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"untrusted 0.9.0",
|
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@ -4531,7 +4661,7 @@ dependencies = [
|
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"opentelemetry-otlp",
|
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"outlines-core",
|
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"pyo3",
|
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"rand",
|
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"rand 0.8.5",
|
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"regex",
|
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"reqwest 0.11.27",
|
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"serde",
|
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@ -4579,7 +4709,7 @@ dependencies = [
|
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"opentelemetry-otlp",
|
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"prost 0.12.6",
|
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"prost-build",
|
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"rand",
|
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"rand 0.8.5",
|
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"regex",
|
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"reqwest 0.11.27",
|
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"serde",
|
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@ -4630,7 +4760,7 @@ dependencies = [
|
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"opentelemetry-otlp",
|
||||
"prost 0.12.6",
|
||||
"prost-build",
|
||||
"rand",
|
||||
"rand 0.8.5",
|
||||
"regex",
|
||||
"reqwest 0.11.27",
|
||||
"serde",
|
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@ -4764,7 +4894,7 @@ dependencies = [
|
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"aho-corasick",
|
||||
"derive_builder",
|
||||
"esaxx-rs",
|
||||
"getrandom",
|
||||
"getrandom 0.2.15",
|
||||
"hf-hub",
|
||||
"indicatif",
|
||||
"itertools 0.12.1",
|
||||
@ -4774,7 +4904,7 @@ dependencies = [
|
||||
"monostate",
|
||||
"onig",
|
||||
"paste",
|
||||
"rand",
|
||||
"rand 0.8.5",
|
||||
"rayon",
|
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"rayon-cond",
|
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"regex",
|
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@ -4844,7 +4974,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "7f57eb36ecbe0fc510036adff84824dd3c24bb781e21bfa67b69d556aa85214f"
|
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dependencies = [
|
||||
"pin-project",
|
||||
"rand",
|
||||
"rand 0.8.5",
|
||||
"tokio",
|
||||
]
|
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|
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@ -4997,7 +5127,7 @@ dependencies = [
|
||||
"indexmap 1.9.3",
|
||||
"pin-project",
|
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"pin-project-lite",
|
||||
"rand",
|
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"rand 0.8.5",
|
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"slab",
|
||||
"tokio",
|
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"tokio-util",
|
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@ -5008,14 +5138,14 @@ dependencies = [
|
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|
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[[package]]
|
||||
name = "tower"
|
||||
version = "0.5.1"
|
||||
version = "0.5.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "2873938d487c3cfb9aed7546dc9f2711d867c9f90c46b889989a2cb84eba6b4f"
|
||||
checksum = "d039ad9159c98b70ecfd540b2573b97f7f52c3e8d9f8ad57a24b916a536975f9"
|
||||
dependencies = [
|
||||
"futures-core",
|
||||
"futures-util",
|
||||
"pin-project-lite",
|
||||
"sync_wrapper 0.1.2",
|
||||
"sync_wrapper 1.0.2",
|
||||
"tokio",
|
||||
"tower-layer",
|
||||
"tower-service",
|
||||
@ -5370,8 +5500,8 @@ version = "1.11.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "f8c5f0a0af699448548ad1a2fbf920fb4bee257eae39953ba95cb84891a0446a"
|
||||
dependencies = [
|
||||
"getrandom",
|
||||
"rand",
|
||||
"getrandom 0.2.15",
|
||||
"rand 0.8.5",
|
||||
"uuid-macro-internal",
|
||||
]
|
||||
|
||||
@ -5479,6 +5609,15 @@ version = "0.11.0+wasi-snapshot-preview1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
|
||||
|
||||
[[package]]
|
||||
name = "wasi"
|
||||
version = "0.13.3+wasi-0.2.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "26816d2e1a4a36a2940b96c5296ce403917633dff8f3440e9b236ed6f6bacad2"
|
||||
dependencies = [
|
||||
"wit-bindgen-rt",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "wasm-bindgen"
|
||||
version = "0.2.95"
|
||||
@ -5926,6 +6065,15 @@ dependencies = [
|
||||
"windows-sys 0.48.0",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "wit-bindgen-rt"
|
||||
version = "0.33.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "3268f3d866458b787f390cf61f4bbb563b922d091359f9608842999eaee3943c"
|
||||
dependencies = [
|
||||
"bitflags 2.6.0",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "write16"
|
||||
version = "1.0.0"
|
||||
@ -5975,7 +6123,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1b9b4fd18abc82b8136838da5d50bae7bdea537c574d8dc1a34ed098d6c166f0"
|
||||
dependencies = [
|
||||
"byteorder",
|
||||
"zerocopy-derive",
|
||||
"zerocopy-derive 0.7.35",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "zerocopy"
|
||||
version = "0.8.14"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "a367f292d93d4eab890745e75a778da40909cab4d6ff8173693812f79c4a2468"
|
||||
dependencies = [
|
||||
"zerocopy-derive 0.8.14",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
@ -5989,6 +6146,17 @@ dependencies = [
|
||||
"syn 2.0.89",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "zerocopy-derive"
|
||||
version = "0.8.14"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d3931cb58c62c13adec22e38686b559c86a30565e16ad6e8510a337cedc611e1"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn 2.0.89",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "zerofrom"
|
||||
version = "0.1.4"
|
||||
|
||||
@ -7,7 +7,7 @@ members = [
|
||||
"backends/trtllm",
|
||||
"launcher",
|
||||
"router"
|
||||
]
|
||||
, "kvrouter"]
|
||||
default-members = [
|
||||
"benchmark",
|
||||
"backends/v2",
|
||||
@ -15,6 +15,7 @@ default-members = [
|
||||
"backends/grpc-metadata",
|
||||
# "backends/trtllm",
|
||||
"launcher",
|
||||
"kvrouter",
|
||||
"router"
|
||||
]
|
||||
resolver = "2"
|
||||
@ -34,6 +35,7 @@ metrics-exporter-prometheus = { version = "0.15.1", features = [] }
|
||||
minijinja = { version = "2.2.0", features = ["json"] }
|
||||
minijinja-contrib = { version = "2.0.2", features = ["pycompat"] }
|
||||
pyo3 = { version = "0.22.2", features = ["auto-initialize"] }
|
||||
axum = { version = "0.7", features = ["json"] }
|
||||
|
||||
[profile.release]
|
||||
incremental = true
|
||||
|
||||
17
kvrouter/Cargo.toml
Normal file
17
kvrouter/Cargo.toml
Normal file
@ -0,0 +1,17 @@
|
||||
[package]
|
||||
name = "kvrouter"
|
||||
version.workspace = true
|
||||
edition.workspace = true
|
||||
authors.workspace = true
|
||||
homepage.workspace = true
|
||||
|
||||
[dependencies]
|
||||
async-stream = "0.3.6"
|
||||
axum = { version = "0.8.1", features = ["macros"] }
|
||||
futures = "0.3.31"
|
||||
futures-util = "0.3.31"
|
||||
hyper = { version = "1.5.2", features = ["full"] }
|
||||
hyper-util = { version = "0.1.10", features = ["full"] }
|
||||
rand = "0.9.0"
|
||||
slotmap = "1.0.7"
|
||||
tokio = { version = "1.43.0", features = ["macros", "rt-multi-thread"] }
|
||||
146
kvrouter/src/lib.rs
Normal file
146
kvrouter/src/lib.rs
Normal file
@ -0,0 +1,146 @@
|
||||
use axum::{
|
||||
body::Body,
|
||||
extract::{Request, State},
|
||||
http::uri::Uri,
|
||||
response::{IntoResponse, Response},
|
||||
};
|
||||
use futures_util::stream::StreamExt;
|
||||
use hyper_util::{client::legacy::connect::HttpConnector, rt::TokioExecutor};
|
||||
use rand::{rng, Rng};
|
||||
use std::sync::atomic::{AtomicUsize, Ordering};
|
||||
use std::sync::{Arc, Mutex};
|
||||
|
||||
mod trie;
|
||||
|
||||
use crate::trie::Trie;
|
||||
|
||||
const FACTOR_KEY: &str = "TGI_KVROUTER_FACTOR";
|
||||
type Client = hyper_util::client::legacy::Client<HttpConnector, Body>;
|
||||
|
||||
#[derive(Clone)]
|
||||
pub struct RoundRobin {
|
||||
client: Client,
|
||||
trie: Arc<Mutex<Trie>>,
|
||||
backends: Arc<Vec<String>>,
|
||||
inqueue: Arc<Vec<AtomicUsize>>,
|
||||
inflight: Arc<Vec<AtomicUsize>>,
|
||||
factor: f32,
|
||||
}
|
||||
|
||||
impl RoundRobin {
|
||||
pub fn new(backends: Vec<String>) -> Self {
|
||||
let client = hyper_util::client::legacy::Client::<(), ()>::builder(TokioExecutor::new())
|
||||
.build(HttpConnector::new());
|
||||
let inflight = Arc::new(backends.iter().map(|_| AtomicUsize::new(0)).collect());
|
||||
let inqueue = Arc::new(backends.iter().map(|_| AtomicUsize::new(0)).collect());
|
||||
let trie = Arc::new(Mutex::new(Trie::new()));
|
||||
let factor: f32 = std::env::var(FACTOR_KEY)
|
||||
.unwrap_or("1.5".to_string())
|
||||
.parse()
|
||||
.unwrap_or(1.5);
|
||||
Self {
|
||||
inflight,
|
||||
inqueue,
|
||||
trie,
|
||||
client,
|
||||
factor,
|
||||
backends: Arc::new(backends),
|
||||
}
|
||||
}
|
||||
|
||||
pub fn next(&mut self, key: &[u8]) -> usize {
|
||||
let mut trie = self.trie.lock().unwrap();
|
||||
let (start, stop) = trie.insert(key);
|
||||
let n = trie.count();
|
||||
eprintln!(
|
||||
"Start {start} Stop {stop} N {n} : Key {}",
|
||||
String::from_utf8_lossy(key)
|
||||
);
|
||||
let mut rng = rng();
|
||||
let x: f32 = rng.random();
|
||||
println!("Random number is {x:.2}");
|
||||
let start = (start as f32) / (n as f32);
|
||||
let stop = (stop as f32) / (n as f32);
|
||||
let rescaled_x = x * (stop - start) + start;
|
||||
assert!(rescaled_x >= start);
|
||||
assert!(rescaled_x <= stop);
|
||||
assert!(rescaled_x >= 0.0);
|
||||
assert!(rescaled_x <= 1.0);
|
||||
println!("Start {start:.2} stop {stop:.2}: rescaled {rescaled_x:.2}");
|
||||
let n: usize = (rescaled_x * (self.backends.len() as f32)) as usize;
|
||||
n
|
||||
}
|
||||
}
|
||||
|
||||
pub async fn handler(State(mut state): State<RoundRobin>, req: Request) -> Response<Body> {
|
||||
// Get the next backend index
|
||||
let limit = 2048usize;
|
||||
let (parts, body) = req.into_parts();
|
||||
// TODO
|
||||
let bytes = axum::body::to_bytes(body, limit).await.unwrap();
|
||||
let index = state.next(&bytes);
|
||||
// Get the backend URL
|
||||
let n = state.backends.len();
|
||||
let mut index = index % n;
|
||||
let backend = &state.backends[index];
|
||||
|
||||
let mut inflight = state.inflight[index].load(Ordering::Relaxed);
|
||||
let mut inqueue = state.inqueue[index].load(Ordering::Relaxed);
|
||||
|
||||
for i in 0..n {
|
||||
if (inqueue as f32) <= state.factor * inflight as f32 {
|
||||
break;
|
||||
}
|
||||
if i == 0 {
|
||||
eprintln!("Backend overloaded (queue: {inqueue} inflight {inflight}), jumping ahead");
|
||||
}
|
||||
index += 1;
|
||||
index %= state.backends.len();
|
||||
inflight = state.inflight[index].load(Ordering::Relaxed);
|
||||
inqueue = state.inflight[index].load(Ordering::Relaxed);
|
||||
}
|
||||
state.inflight[index].fetch_add(1, Ordering::Relaxed);
|
||||
state.inqueue[index].fetch_add(1, Ordering::Relaxed);
|
||||
|
||||
let body: Body = bytes.into();
|
||||
let mut req = Request::from_parts(parts, body);
|
||||
let path = req.uri().path();
|
||||
let path_query = req
|
||||
.uri()
|
||||
.path_and_query()
|
||||
.map(|v| v.as_str())
|
||||
.unwrap_or(path);
|
||||
|
||||
let uri = format!("{backend}{path_query}");
|
||||
eprintln!("Inflight {uri}");
|
||||
*req.uri_mut() = Uri::try_from(uri).unwrap();
|
||||
|
||||
let response = state
|
||||
.client
|
||||
.request(req)
|
||||
.await
|
||||
// TODO
|
||||
.unwrap();
|
||||
//.map_err(|_| StatusCode::BAD_GATEWAY)?;
|
||||
let response = response.into_response();
|
||||
let (parts, body) = response.into_parts();
|
||||
let response_stream = body.into_data_stream();
|
||||
let response_stream = async_stream::stream! {
|
||||
let mut response_stream = Box::pin(response_stream);
|
||||
let mut start = true;
|
||||
while let Some(raw_event) = response_stream.next().await {
|
||||
if start{
|
||||
eprintln!("Not inqueue");
|
||||
state.inqueue[index].fetch_sub(1, Ordering::Relaxed);
|
||||
start = false;
|
||||
}
|
||||
yield raw_event;
|
||||
}
|
||||
eprintln!("Not inflight");
|
||||
state.inflight[index].fetch_sub(1, Ordering::Relaxed);
|
||||
};
|
||||
|
||||
let body = Body::from_stream(response_stream);
|
||||
|
||||
Response::from_parts(parts, body)
|
||||
}
|
||||
30
kvrouter/src/main.rs
Normal file
30
kvrouter/src/main.rs
Normal file
@ -0,0 +1,30 @@
|
||||
use axum::{
|
||||
routing::Router,
|
||||
routing::{get, post},
|
||||
};
|
||||
use kvrouter::{handler, RoundRobin};
|
||||
|
||||
#[tokio::main]
|
||||
async fn main() {
|
||||
// List of backend servers
|
||||
let backends = vec![
|
||||
"http://localhost:8000".to_string(),
|
||||
"http://localhost:8001".to_string(),
|
||||
];
|
||||
|
||||
// Create a new instance of the RoundRobinRouter
|
||||
let router = RoundRobin::new(backends);
|
||||
|
||||
// Create the Axum router
|
||||
let app = Router::new()
|
||||
.route("/{*key}", get(handler))
|
||||
.route("/{*key}", post(handler))
|
||||
.with_state(router);
|
||||
|
||||
// run it
|
||||
let listener = tokio::net::TcpListener::bind("127.0.0.1:3000")
|
||||
.await
|
||||
.unwrap();
|
||||
println!("listening on {}", listener.local_addr().unwrap());
|
||||
axum::serve(listener, app).await.unwrap();
|
||||
}
|
||||
257
kvrouter/src/trie.rs
Normal file
257
kvrouter/src/trie.rs
Normal file
@ -0,0 +1,257 @@
|
||||
use std::collections::BTreeMap;
|
||||
|
||||
// TODO
|
||||
#[allow(dead_code)]
|
||||
#[cfg_attr(test, derive(Debug, PartialEq))]
|
||||
pub enum Error {
|
||||
MissingEntry,
|
||||
}
|
||||
|
||||
#[derive(Clone)]
|
||||
pub struct Trie {
|
||||
root: Node,
|
||||
}
|
||||
|
||||
#[derive(Clone)]
|
||||
#[cfg_attr(test, derive(Debug, PartialEq))]
|
||||
pub struct Node {
|
||||
content: Vec<u8>,
|
||||
nelements: usize,
|
||||
children: BTreeMap<u8, Node>,
|
||||
}
|
||||
|
||||
pub fn mismatch(xs: &[u8], ys: &[u8]) -> usize {
|
||||
// SIMD
|
||||
mismatch_chunks::<128>(xs, ys)
|
||||
}
|
||||
|
||||
fn mismatch_chunks<const N: usize>(xs: &[u8], ys: &[u8]) -> usize {
|
||||
let off = xs
|
||||
.chunks_exact(N)
|
||||
.zip(ys.chunks_exact(N))
|
||||
.take_while(|(x, y)| x == y)
|
||||
.count()
|
||||
* N;
|
||||
off + xs[off..]
|
||||
.iter()
|
||||
.zip(&ys[off..])
|
||||
.take_while(|(x, y)| x == y)
|
||||
.count()
|
||||
}
|
||||
|
||||
impl Node {
|
||||
fn new() -> Self {
|
||||
Self {
|
||||
content: vec![],
|
||||
nelements: 0,
|
||||
children: BTreeMap::new(),
|
||||
}
|
||||
}
|
||||
|
||||
fn insert(&mut self, data: &[u8], left: usize) -> (usize, usize) {
|
||||
let (start, stop) = if self.nelements == 0 {
|
||||
self.content = data.to_vec();
|
||||
(left, left + 1)
|
||||
} else {
|
||||
let mismatch = mismatch(data, &self.content);
|
||||
if mismatch == self.content.len() {
|
||||
// Full prefix match, just dive deeper
|
||||
let (start, stop) = if let Some(c) = data.get(mismatch) {
|
||||
let left: usize = self
|
||||
.children
|
||||
.iter()
|
||||
.take_while(|(&d, _)| d < *c)
|
||||
.map(|(_, n)| n.nelements)
|
||||
.sum();
|
||||
let next_node = self.children.entry(*c).or_insert(Node::new());
|
||||
next_node.insert(&data[mismatch..], left)
|
||||
} else {
|
||||
(0, self.nelements + 1)
|
||||
};
|
||||
(left + start, left + stop)
|
||||
} else {
|
||||
// Partial match, split node
|
||||
let left = self.content[mismatch..].to_vec();
|
||||
let right = data[mismatch..].to_vec();
|
||||
|
||||
let children = std::mem::take(&mut self.children);
|
||||
let mut children_content = vec![
|
||||
(left, children, self.nelements),
|
||||
(right, BTreeMap::new(), 1),
|
||||
];
|
||||
children_content.sort_by(|a, b| a.0.cmp(&b.0));
|
||||
self.content.truncate(mismatch);
|
||||
self.children.clear();
|
||||
for (child_content, children, nelements) in children_content {
|
||||
if !child_content.is_empty() {
|
||||
let c = child_content[0];
|
||||
let child = Node {
|
||||
content: child_content,
|
||||
nelements,
|
||||
children,
|
||||
};
|
||||
self.children.insert(c, child);
|
||||
}
|
||||
}
|
||||
let c = data[mismatch];
|
||||
let left: usize = self
|
||||
.children
|
||||
.iter()
|
||||
.take_while(|(&d, _)| d < c)
|
||||
.map(|(_, n)| n.nelements)
|
||||
.sum();
|
||||
(left, left + 1)
|
||||
}
|
||||
};
|
||||
self.nelements += 1;
|
||||
(start, stop)
|
||||
}
|
||||
|
||||
// TODO
|
||||
#[allow(dead_code)]
|
||||
fn remove(&mut self, data: &[u8]) -> Result<(), Error> {
|
||||
let mismatch = mismatch(data, &self.content);
|
||||
if mismatch != self.content.len() {
|
||||
Err(Error::MissingEntry)
|
||||
} else {
|
||||
if let Some(c) = data.get(mismatch) {
|
||||
if let Some(node) = self.children.get_mut(c) {
|
||||
node.remove(&data[mismatch..])?;
|
||||
}
|
||||
}
|
||||
self.nelements -= 1;
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Trie {
|
||||
pub fn new() -> Self {
|
||||
let root = Node::new();
|
||||
Self { root }
|
||||
}
|
||||
|
||||
pub fn insert(&mut self, data: &[u8]) -> (usize, usize) {
|
||||
self.root.insert(data, 0)
|
||||
}
|
||||
|
||||
// TODO
|
||||
#[allow(dead_code)]
|
||||
pub fn remove(&mut self, data: &[u8]) -> Result<(), Error> {
|
||||
self.root.remove(data)
|
||||
}
|
||||
|
||||
pub fn count(&self) -> usize {
|
||||
self.root.nelements
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
|
||||
#[test]
|
||||
fn simple() {
|
||||
let mut trie = Trie::new();
|
||||
assert_eq!(trie.insert(b"toto"), (0, 1));
|
||||
assert_eq!(trie.insert(b"tata"), (0, 1));
|
||||
|
||||
assert_eq!(trie.root.nelements, 2);
|
||||
assert_eq!(trie.root.content, b"t");
|
||||
assert_eq!(trie.root.children.len(), 2);
|
||||
assert_eq!(
|
||||
trie.root.children,
|
||||
BTreeMap::from_iter([
|
||||
(
|
||||
b'a',
|
||||
Node {
|
||||
nelements: 1,
|
||||
content: b"ata".to_vec(),
|
||||
children: BTreeMap::new()
|
||||
}
|
||||
),
|
||||
(
|
||||
b'o',
|
||||
Node {
|
||||
nelements: 1,
|
||||
content: b"oto".to_vec(),
|
||||
children: BTreeMap::new()
|
||||
}
|
||||
)
|
||||
])
|
||||
);
|
||||
assert_eq!(trie.insert(b"coco"), (0, 1));
|
||||
assert_eq!(trie.insert(b"zaza"), (3, 4));
|
||||
assert_eq!(trie.root.nelements, 4);
|
||||
assert_eq!(trie.root.content, b"");
|
||||
assert_eq!(trie.root.children.len(), 3);
|
||||
assert_eq!(
|
||||
trie.root.children,
|
||||
BTreeMap::from_iter([
|
||||
(
|
||||
b'c',
|
||||
Node {
|
||||
nelements: 1,
|
||||
content: b"coco".to_vec(),
|
||||
children: BTreeMap::new()
|
||||
}
|
||||
),
|
||||
(
|
||||
b't',
|
||||
Node {
|
||||
nelements: 2,
|
||||
content: b"t".to_vec(),
|
||||
children: BTreeMap::from_iter([
|
||||
(
|
||||
b'a',
|
||||
Node {
|
||||
nelements: 1,
|
||||
content: b"ata".to_vec(),
|
||||
children: BTreeMap::new()
|
||||
}
|
||||
),
|
||||
(
|
||||
b'o',
|
||||
Node {
|
||||
nelements: 1,
|
||||
content: b"oto".to_vec(),
|
||||
children: BTreeMap::new()
|
||||
}
|
||||
)
|
||||
])
|
||||
}
|
||||
),
|
||||
(
|
||||
b'z',
|
||||
Node {
|
||||
nelements: 1,
|
||||
content: b"zaza".to_vec(),
|
||||
children: BTreeMap::new()
|
||||
}
|
||||
),
|
||||
])
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn delete() {
|
||||
let mut trie = Trie::new();
|
||||
trie.insert(b"toto");
|
||||
trie.insert(b"tata");
|
||||
|
||||
assert_eq!(trie.root.nelements, 2);
|
||||
assert_eq!(trie.remove(b"coco"), Err(Error::MissingEntry));
|
||||
assert_eq!(trie.remove(b"toto"), Ok(()));
|
||||
assert_eq!(trie.root.nelements, 1);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn duplicate() {
|
||||
let mut trie = Trie::new();
|
||||
assert_eq!(trie.insert(b"toto"), (0, 1));
|
||||
assert_eq!(trie.insert(b"toto"), (0, 2));
|
||||
assert_eq!(trie.root.nelements, 2);
|
||||
assert_eq!(trie.remove(b"toto"), Ok(()));
|
||||
assert_eq!(trie.root.nelements, 1);
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user