Dn loop bound box benchmark

Benchmarks/Benchmarks/NIOCoreBenchmarks/Benchmarks.swift

@@ -41,4 +41,11 @@ let benchmarks = {
             blackHole(asyncChanel)
         }
     }
+
+    Benchmark(
+        "NIOLoopBoundBox.value",
+        configuration: .init(metrics: defaultMetrics, scalingFactor: .kilo)
+    ) { benchmark in
+        runNIOLoopBoundBoxInPlaceMutation(benchmark: benchmark)
+    }
 }

Benchmarks/Benchmarks/NIOCoreBenchmarks/NIOLoopBoundBox.swift

@@ -0,0 +1,37 @@
+//===----------------------------------------------------------------------===//
+//
+// This source file is part of the SwiftNIO open source project
+//
+// Copyright (c) 2024 Apple Inc. and the SwiftNIO project authors
+// Licensed under Apache License v2.0
+//
+// See LICENSE.txt for license information
+// See CONTRIBUTORS.txt for the list of SwiftNIO project authors
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+//===----------------------------------------------------------------------===//
+
+import NIOCore
+import NIOEmbedded
+import Benchmark
+
+func runNIOLoopBoundBoxInPlaceMutation(benchmark: Benchmark) {
+    let embeddedEventLoop = EmbeddedEventLoop()
+    let boundBox = NIOLoopBoundBox([Int](), eventLoop: embeddedEventLoop)
+    boundBox.value.reserveCapacity(1000)
+
+    benchmark.startMeasurement()
+
+    for _ in benchmark.scaledIterations {
+        boundBox.value.removeAll(keepingCapacity: true)
+        for i in 0..<1000 {
+            boundBox.value.append(i)
+        }
+    }
+
+    benchmark.stopMeasurement()
+
+    precondition(boundBox.value.count == 1000)
+    precondition(boundBox.value.reduce(0, +) == 499500)
+}

Benchmarks/Thresholds/5.10/NIOCoreBenchmarks.NIOAsyncChannel.init.p90.json

@@ -1,3 +1,3 @@
 {
   "mallocCountTotal" : 12
-}
+}

Benchmarks/Thresholds/5.10/NIOCoreBenchmarks.NIOLoopBoundBox.value.p90.json

@@ -0,0 +1,3 @@
+{
+  "mallocCountTotal" : 0
+}

Benchmarks/Thresholds/5.10/NIOPosixBenchmarks.TCPEcho.p90.json

@@ -1,3 +1,3 @@
 {
-  "mallocCountTotal" : 108
-}
+  "mallocCountTotal" : 90
+}

Benchmarks/Thresholds/5.10/NIOPosixBenchmarks.TCPEchoAsyncChannel.p90.json

@@ -1,3 +1,3 @@
 {
-  "mallocCountTotal" : 165000
-}
+  "mallocCountTotal" : 163578
+}

Benchmarks/Thresholds/5.8/NIOCoreBenchmarks.NIOAsyncChannel.init.p90.json

@@ -1,3 +1,3 @@
 {
   "mallocCountTotal" : 12
-}
+}

Benchmarks/Thresholds/5.8/NIOCoreBenchmarks.NIOLoopBoundBox.value.p90.json

@@ -0,0 +1,3 @@
+{
+  "mallocCountTotal" : 0
+}

Benchmarks/Thresholds/5.8/NIOPosixBenchmarks.TCPEcho.p90.json

@@ -1,3 +1,3 @@
 {
-  "mallocCountTotal" : 110
-}
+  "mallocCountTotal" : 92
+}

Benchmarks/Thresholds/5.9/NIOCoreBenchmarks.NIOAsyncChannel.init.p90.json

@@ -1,3 +1,3 @@
 {
   "mallocCountTotal" : 12
-}
+}

Benchmarks/Thresholds/5.9/NIOCoreBenchmarks.NIOLoopBoundBox.value.p90.json

@@ -0,0 +1,3 @@
+{
+  "mallocCountTotal" : 0
+}

Benchmarks/Thresholds/5.9/NIOPosixBenchmarks.TCPEcho.p90.json

@@ -1,3 +1,3 @@
 {
-  "mallocCountTotal" : 110
-}
+  "mallocCountTotal" : 92
+}

Benchmarks/Thresholds/5.9/NIOPosixBenchmarks.TCPEchoAsyncChannel.p90.json

@@ -1,3 +1,3 @@
 {
-  "mallocCountTotal" : 164000
-}
+  "mallocCountTotal" : 164224
+}

Benchmarks/Thresholds/nightly-main/NIOCoreBenchmarks.NIOAsyncChannel.init.p90.json

@@ -1,3 +1,3 @@
 {
   "mallocCountTotal" : 12
-}
+}

Benchmarks/Thresholds/nightly-main/NIOCoreBenchmarks.NIOLoopBoundBox.value.p90.json

@@ -0,0 +1,3 @@
+{
+  "mallocCountTotal" : 0
+}

Benchmarks/Thresholds/nightly-main/NIOPosixBenchmarks.TCPEcho.p90.json

@@ -1,3 +1,3 @@
 {
-  "mallocCountTotal" : 108
-}
+  "mallocCountTotal" : 90
+}

Benchmarks/Thresholds/nightly-main/NIOPosixBenchmarks.TCPEchoAsyncChannel.p90.json

@@ -1,3 +1,3 @@
 {
-  "mallocCountTotal" : 165000
-}
+  "mallocCountTotal" : 164212
+}

Benchmarks/Thresholds/nightly-next/NIOCoreBenchmarks.NIOAsyncChannel.init.p90.json

@@ -1,3 +1,3 @@
 {
   "mallocCountTotal" : 12
-}
+}

Benchmarks/Thresholds/nightly-next/NIOCoreBenchmarks.NIOLoopBoundBox.value.p90.json

@@ -0,0 +1,3 @@
+{
+  "mallocCountTotal" : 0
+}

Benchmarks/Thresholds/nightly-next/NIOPosixBenchmarks.TCPEcho.p90.json

@@ -1,3 +1,3 @@
 {
-  "mallocCountTotal" : 108
-}
+  "mallocCountTotal" : 90
+}

Benchmarks/Thresholds/nightly-next/NIOPosixBenchmarks.TCPEchoAsyncChannel.p90.json

@@ -1,3 +1,3 @@
 {
-  "mallocCountTotal" : 165000
-}
+  "mallocCountTotal" : 164204
+}

dev/update-benchmark-thresholds.sh

@@ -32,10 +32,10 @@ set -o pipefail
 here="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 target_repo=${2-"$here/.."}
 
-for f in 57 58 59 510 -nightly; do
+for f in 58 59 510 main next; do
     echo "swift$f"
 
-    docker_file=$(if [[ "$f" == "-nightly" ]]; then f=main; fi && ls "$target_repo/docker/docker-compose."*"$f"*".yaml")
+    docker_file=$(ls "$target_repo/docker/docker-compose."*"$f"*".yaml")
 
     docker-compose -f docker/docker-compose.yaml -f $docker_file run update-benchmark-baseline
 done

docker/docker-compose.2204.main.yaml

@@ -20,7 +20,7 @@ services:
   test:
     image: swift-nio:22.04-main
     environment:
-      - SWIFT_VERSION=main
+      - SWIFT_VERSION=nightly-main
       - MAX_ALLOCS_ALLOWED_10000000_asyncsequenceproducer=21
       - MAX_ALLOCS_ALLOWED_1000000_asyncwriter=1000050
       - MAX_ALLOCS_ALLOWED_1000_addHandlers=45050
@@ -79,7 +79,7 @@ services:
   update-benchmark-baseline:
     image: swift-nio:22.04-main
     environment:
-      - SWIFT_VERSION=main
+      - SWIFT_VERSION=nightly-main
 
   shell:
     image: swift-nio:22.04-main

docker/docker-compose.2204.next.yaml

@@ -0,0 +1,91 @@
+version: "3"
+
+services:
+
+  runtime-setup:
+    image: swift-nio:22.04-next
+    build:
+      args:
+        base_image: "swiftlang/swift:nightly-6.0-jammy"
+
+  unit-tests:
+    image: swift-nio:22.04-next
+
+  integration-tests:
+    image: swift-nio:22.04-next
+
+  documentation-check:
+    image: swift-nio:22.04-next
+
+  test:
+    image: swift-nio:22.04-next
+    environment:
+      - SWIFT_VERSION=nightly-next
+      - MAX_ALLOCS_ALLOWED_10000000_asyncsequenceproducer=21
+      - MAX_ALLOCS_ALLOWED_1000000_asyncwriter=1000050
+      - MAX_ALLOCS_ALLOWED_1000_addHandlers=45050
+      - MAX_ALLOCS_ALLOWED_1000_addHandlers_sync=38050
+      - MAX_ALLOCS_ALLOWED_1000_addRemoveHandlers_handlercontext=8050
+      - MAX_ALLOCS_ALLOWED_1000_addRemoveHandlers_handlername=8050
+      - MAX_ALLOCS_ALLOWED_1000_addRemoveHandlers_handlertype=8050
+      - MAX_ALLOCS_ALLOWED_1000_autoReadGetAndSet=18050
+      - MAX_ALLOCS_ALLOWED_1000_autoReadGetAndSet_sync=0
+      - MAX_ALLOCS_ALLOWED_1000_copying_bytebufferview_to_array=1050
+      - MAX_ALLOCS_ALLOWED_1000_copying_circularbuffer_to_array=1050
+      - MAX_ALLOCS_ALLOWED_1000_getHandlers=8050
+      - MAX_ALLOCS_ALLOWED_1000_getHandlers_sync=36
+      - MAX_ALLOCS_ALLOWED_1000_reqs_1_conn=26400
+      - MAX_ALLOCS_ALLOWED_1000_rst_connections=147000
+      - MAX_ALLOCS_ALLOWED_1000_tcpbootstraps=3050
+      - MAX_ALLOCS_ALLOWED_1000_tcpconnections=155050
+      - MAX_ALLOCS_ALLOWED_1000_udp_reqs=6050
+      - MAX_ALLOCS_ALLOWED_1000_udpbootstraps=2050
+      - MAX_ALLOCS_ALLOWED_1000_udpconnections=76050
+      - MAX_ALLOCS_ALLOWED_1_reqs_1000_conn=393000
+      - MAX_ALLOCS_ALLOWED_bytebuffer_lots_of_rw=2050
+      - MAX_ALLOCS_ALLOWED_creating_10000_headers=0
+      - MAX_ALLOCS_ALLOWED_decode_1000_ws_frames=2050
+      - MAX_ALLOCS_ALLOWED_encode_1000_ws_frames_holding_buffer=3
+      - MAX_ALLOCS_ALLOWED_encode_1000_ws_frames_holding_buffer_with_mask=2050
+      - MAX_ALLOCS_ALLOWED_encode_1000_ws_frames_holding_buffer_with_space=3
+      - MAX_ALLOCS_ALLOWED_encode_1000_ws_frames_holding_buffer_with_space_with_mask=2050
+      - MAX_ALLOCS_ALLOWED_encode_1000_ws_frames_new_buffer=3050
+      - MAX_ALLOCS_ALLOWED_encode_1000_ws_frames_new_buffer_with_mask=5050
+      - MAX_ALLOCS_ALLOWED_encode_1000_ws_frames_new_buffer_with_space=3050
+      - MAX_ALLOCS_ALLOWED_encode_1000_ws_frames_new_buffer_with_space_with_mask=5050
+      - MAX_ALLOCS_ALLOWED_execute_hop_10000_tasks=0
+      - MAX_ALLOCS_ALLOWED_future_erase_result=4050
+      - MAX_ALLOCS_ALLOWED_future_lots_of_callbacks=53050
+      - MAX_ALLOCS_ALLOWED_get_100000_headers_canonical_form=700050
+      - MAX_ALLOCS_ALLOWED_get_100000_headers_canonical_form_trimming_whitespace=700050
+      - MAX_ALLOCS_ALLOWED_get_100000_headers_canonical_form_trimming_whitespace_from_long_string=700050
+      - MAX_ALLOCS_ALLOWED_get_100000_headers_canonical_form_trimming_whitespace_from_short_string=700050
+      - MAX_ALLOCS_ALLOWED_modifying_1000_circular_buffer_elements=0
+      - MAX_ALLOCS_ALLOWED_modifying_byte_buffer_view=6050
+      - MAX_ALLOCS_ALLOWED_ping_pong_1000_reqs_1_conn=343
+      - MAX_ALLOCS_ALLOWED_read_10000_chunks_from_file=110200
+      - MAX_ALLOCS_ALLOWED_schedule_10000_tasks=50100
+      - MAX_ALLOCS_ALLOWED_schedule_and_run_10000_tasks=50050
+      - MAX_ALLOCS_ALLOWED_scheduling_10000_executions=89
+      - MAX_ALLOCS_ALLOWED_udp_1000_reqs_1_conn=6200
+      - MAX_ALLOCS_ALLOWED_udp_1_reqs_1000_conn=165050
+      - WARN_AS_ERROR_ARG=-Xswiftc -warnings-as-errors
+      - IMPORT_CHECK_ARG=--explicit-target-dependency-import-check error
+      # - SANITIZER_ARG=--sanitize=thread # TSan broken still
+
+  performance-test:
+    image: swift-nio:22.04-next
+
+  update-benchmark-baseline:
+    image: swift-nio:22.04-next
+    environment:
+      - SWIFT_VERSION=nightly-next
+
+  shell:
+    image: swift-nio:22.04-next
+
+  echo:
+    image: swift-nio:22.04-next
+
+  http:
+    image: swift-nio:22.04-next