Raise minimum swift version to 5.8 (#1825)

.github/workflows/ci.yaml

@@ -23,13 +23,13 @@ jobs:
           - image: swiftlang/swift:nightly-jammy
             # No TSAN because of: https://github.com/apple/swift/issues/59068
             # swift-test-flags: "--sanitize=thread"
-          - image: swift:5.9-jammy
+          - image: swift:5.10-jammy
             # No TSAN because of: https://github.com/apple/swift/issues/59068
             # swift-test-flags: "--sanitize=thread"
-          - image: swift:5.8-focal
+          - image: swift:5.9-jammy
             # No TSAN because of: https://github.com/apple/swift/issues/59068
             # swift-test-flags: "--sanitize=thread"
-          - image: swift:5.7-focal
+          - image: swift:5.8-focal
             # No TSAN because of: https://github.com/apple/swift/issues/59068
             # swift-test-flags: "--sanitize=thread"
     name: Build and Test on ${{ matrix.image }}
@@ -60,8 +60,8 @@ jobs:
               MAX_ALLOCS_ALLOWED_unary_1k_ping_pong: 163000
               MAX_ALLOCS_ALLOWED_unary_1k_ping_pong_interceptors_client: 170000
               MAX_ALLOCS_ALLOWED_unary_1k_ping_pong_interceptors_server: 170000
-          - image: swift:5.9-jammy
-            swift-version: 5.9
+          - image: swift:5.10-jammy
+            swift-version: '5.10'
             env:
               MAX_ALLOCS_ALLOWED_bidi_1k_rpcs_10_requests: 323000
               MAX_ALLOCS_ALLOWED_bidi_1k_rpcs_1_request: 161000
@@ -71,8 +71,8 @@ jobs:
               MAX_ALLOCS_ALLOWED_unary_1k_ping_pong: 163000
               MAX_ALLOCS_ALLOWED_unary_1k_ping_pong_interceptors_client: 170000
               MAX_ALLOCS_ALLOWED_unary_1k_ping_pong_interceptors_server: 170000
-          - image: swift:5.8-focal
-            swift-version: 5.8
+          - image: swift:5.9-jammy
+            swift-version: 5.9
             env:
               MAX_ALLOCS_ALLOWED_bidi_1k_rpcs_10_requests: 323000
               MAX_ALLOCS_ALLOWED_bidi_1k_rpcs_1_request: 161000
@@ -82,8 +82,8 @@ jobs:
               MAX_ALLOCS_ALLOWED_unary_1k_ping_pong: 163000
               MAX_ALLOCS_ALLOWED_unary_1k_ping_pong_interceptors_client: 170000
               MAX_ALLOCS_ALLOWED_unary_1k_ping_pong_interceptors_server: 170000
-          - image: swift:5.7-focal
-            swift-version: 5.7
+          - image: swift:5.8-focal
+            swift-version: 5.8
             env:
               MAX_ALLOCS_ALLOWED_bidi_1k_rpcs_10_requests: 323000
               MAX_ALLOCS_ALLOWED_bidi_1k_rpcs_1_request: 161000
@@ -116,9 +116,9 @@ jobs:
       matrix:
         include:
           - image: swiftlang/swift:nightly-jammy
+          - image: swift:5.10-jammy
           - image: swift:5.9-jammy
           - image: swift:5.8-focal
-          - image: swift:5.7-focal
     name: Integration Tests on ${{ matrix.image }}
     runs-on: ubuntu-latest
     container:

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version:5.7
+// swift-tools-version:5.8
 /*
  * Copyright 2017, gRPC Authors All rights reserved.
  *
@@ -106,7 +106,7 @@ extension Target.Dependency {
   static let interopTestImplementation: Self =
     .target(name: "GRPCInteroperabilityTestsImplementation")
   static let interoperabilityTests: Self = .target(name: "InteroperabilityTests")
-  
+
   // Product dependencies
   static let argumentParser: Self = .product(
     name: "ArgumentParser",
@@ -386,7 +386,7 @@ extension Target {
       .grpcProtobuf
     ]
   )
-  
+
   static let interopTestImplementation: Target = .target(
     name: "GRPCInteroperabilityTestsImplementation",
     dependencies: [

Performance/Benchmarks/Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version: 5.7
+// swift-tools-version: 5.8
 /*
  * Copyright 2023, gRPC Authors All rights reserved.
  *

Performance/Benchmarks/Thresholds/5.7/GRPCSwiftBenchmark.Metadata_Add_binary.p90.json → Performance/Benchmarks/Thresholds/5.10/GRPCSwiftBenchmark.Metadata_Add_binary.p90.json

@@ -1,7 +1,7 @@
 {
   "mallocCountTotal" : 11,
   "memoryLeaked" : 0,
-  "releaseCount" : 1011,
+  "releaseCount" : 3012,
   "retainCount" : 2000,
   "syscalls" : 0
 }

Performance/Benchmarks/Thresholds/5.7/GRPCSwiftBenchmark.Metadata_Iterate_all_values.p90.json → Performance/Benchmarks/Thresholds/5.10/GRPCSwiftBenchmark.Metadata_Iterate_all_values.p90.json

@@ -1,7 +1,7 @@
 {
   "mallocCountTotal" : 0,
   "memoryLeaked" : 0,
-  "releaseCount" : 1005,
-  "retainCount" : 1005,
+  "releaseCount" : 3001,
+  "retainCount" : 1000,
   "syscalls" : 0
 }

Performance/Benchmarks/Thresholds/5.7/GRPCSwiftBenchmark.Metadata_Iterate_binary_values_when_only_binary_values_stored.p90.json → Performance/Benchmarks/Thresholds/5.10/GRPCSwiftBenchmark.Metadata_Iterate_binary_values_when_only_binary_values_stored.p90.json

@@ -1,7 +1,7 @@
 {
   "mallocCountTotal" : 0,
   "memoryLeaked" : 0,
-  "releaseCount" : 1005,
-  "retainCount" : 1005,
+  "releaseCount" : 3001,
+  "retainCount" : 1000,
   "syscalls" : 0
 }

Performance/Benchmarks/Thresholds/5.7/GRPCSwiftBenchmark.Metadata_Iterate_binary_values_when_only_strings_stored.p90.json → Performance/Benchmarks/Thresholds/5.10/GRPCSwiftBenchmark.Metadata_Iterate_binary_values_when_only_strings_stored.p90.json

@@ -1,7 +1,7 @@
 {
   "mallocCountTotal" : 2000,
   "memoryLeaked" : 0,
-  "releaseCount" : 4005,
-  "retainCount" : 2005,
+  "releaseCount" : 6001,
+  "retainCount" : 2000,
   "syscalls" : 0
 }

Performance/Benchmarks/Thresholds/5.7/GRPCSwiftBenchmark.Metadata_Iterate_string_values.p90.json → Performance/Benchmarks/Thresholds/5.10/GRPCSwiftBenchmark.Metadata_Iterate_string_values.p90.json

@@ -1,7 +1,7 @@
 {
   "mallocCountTotal" : 0,
   "memoryLeaked" : 0,
-  "releaseCount" : 1005,
-  "retainCount" : 1005,
+  "releaseCount" : 3001,
+  "retainCount" : 1000,
   "syscalls" : 0
 }

Performance/Benchmarks/Thresholds/5.7/GRPCSwiftBenchmark.Metadata_Remove_values_for_key.p90.json → Performance/Benchmarks/Thresholds/5.10/GRPCSwiftBenchmark.Metadata_Remove_values_for_key.p90.json

@@ -1,7 +1,7 @@
 {
   "mallocCountTotal" : 0,
   "memoryLeaked" : 0,
-  "releaseCount" : 2002000,
+  "releaseCount" : 2002001,
   "retainCount" : 1999000,
   "syscalls" : 0
 }

Performance/QPSBenchmark/Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version:5.7
+// swift-tools-version:5.8
 /*
  * Copyright 2020, gRPC Authors All rights reserved.
  *

README.md

@@ -43,7 +43,8 @@ gRPC Swift Version | Earliest Swift Version
 `1.8.0 ..< 1.11.0` | 5.4
 `1.11.0..< 1.16.0`.| 5.5
 `1.16.0..< 1.20.0` | 5.6
-`1.20.0...`        | 5.7
+`1.20.0..< 1.22.0` | 5.7
+`1.22.0...`        | 5.8
 
 Versions of clients and services which are use Swift's Concurrency support
 are available from gRPC Swift 1.8.0 and require Swift 5.6 and newer.

Sources/GRPC/Docs.docc/index.md

@@ -28,7 +28,8 @@ gRPC Swift Version | Earliest Swift Version
 `1.8.0 ..< 1.11.0` | 5.4
 `1.11.0..< 1.16.0`.| 5.5
 `1.16.0..< 1.20.0` | 5.6
-`1.20.0...`        | 5.7
+`1.20.0..< 1.22.0` | 5.7
+`1.22.0...`        | 5.8
 
 Versions of clients and services which are use Swift's Concurrency support
 are available from gRPC Swift 1.8.0 and require Swift 5.6 and newer.