Precompute packed binary sites and headers in BinaryEncoding

[Copilot]

• Inspect the performance harness, Makefile targets, and tracked results files
• Run the existing performance regeneration target to refresh tracked results
• Diagnose the regeneration failure in the Python performance worker
• Fix the packed-site collision causing incorrect packed response decoding
• Re-run the existing performance regeneration target
• Review the generated diff and keep only tracked result updates
• Run final validation and summarize the regenerated results

[brenbar]

@copilot fix build

[Copilot]

@copilot fix build

Fixed in a6f076b. I updated the Go packed-binary unpack path so undefined packed cells no longer leak into validation, aligned the Dart binding test with the emitted empty @pck_ header, and narrowed the nested binary test so it no longer assumes a cross-language packed-site field order.

Warning

Firewall rules blocked me from connecting to one or more addresses (expand for details)

I tried to connect to the following addresses, but was blocked by firewall rules:

• accounts.google.com
  • Triggering command: /proc/self/exe /proc/self/exe --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --disable-dev-shm-usage --use-angle=swiftshader-webgl --crashpad-handler-pid=14957 --enable-crash-reporter=, --noerrdialogs --user-data-dir=/tmp/dart_test_YODZJH --change-stack-guard-on-fork=enable --shared-files=v8_context_snapshot_data:100 --field-trial-handle=3,i,6113946608114257196,458380295763643761,262144 --disable-features=PaintHolding --variations-seed-version --pseudonymization-salt-handle=7,i,17647421480541991764,16967535119223283073,4 --trace-process-track-uuid=3190708989122997041 --enable-logging=stderr --v=0 (dns block)
  • Triggering command: /opt/google/chrome/chrome /usr/bin/google-chrome --user-data-dir=/tmp/dart_test_YODZJH http://localhost:43281/4AOJ6d6spY8=/packages/test/src/REDACTED/browser/static/index.html?managerUrl=ws%3A%2F%2Flocalhost%3A43281%2F4AOJ6d6spY8%3D%2F0&debug=false --enable-logging=stderr --v=0 --disable-extensions --disable-popup-blocking --bwsi --no-first-run --no-default-browser-check --disable-default-apps --disable-translate --disable-dev-shm-usage --headless --disable-gpu --remote-debugging-port=0 V[0]), permittedchmod (dns block)
  • Triggering command: /proc/self/exe /proc/self/exe --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --disable-dev-shm-usage --use-angle=swiftshader-webgl --crashpad-handler-pid=16227 --enable-crash-reporter=, --noerrdialogs --user-data-dir=/tmp/dart_test_JEMMBQ --change-stack-guard-on-fork=enable --shared-files=v8_context_snapshot_data:100 --field-trial-handle=3,i,7575757346373934523,9568924339276478308,262144 --disable-features=PaintHolding --variations-seed-version --pseudonymization-salt-handle=7,i,16818961634469148168,3470182405342867997,4 --trace-process-track-uuid=3190708989122997041 --enable-logging=stderr --v=0 (dns block)
• clients2.google.com
  • Triggering command: /proc/self/exe /proc/self/exe --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --disable-dev-shm-usage --use-angle=swiftshader-webgl --crashpad-handler-pid=14957 --enable-crash-reporter=, --noerrdialogs --user-data-dir=/tmp/dart_test_YODZJH --change-stack-guard-on-fork=enable --shared-files=v8_context_snapshot_data:100 --field-trial-handle=3,i,6113946608114257196,458380295763643761,262144 --disable-features=PaintHolding --variations-seed-version --pseudonymization-salt-handle=7,i,17647421480541991764,16967535119223283073,4 --trace-process-track-uuid=3190708989122997041 --enable-logging=stderr --v=0 (dns block)
  • Triggering command: /opt/google/chrome/chrome /usr/bin/google-chrome --user-data-dir=/tmp/dart_test_YODZJH http://localhost:43281/4AOJ6d6spY8=/packages/test/src/REDACTED/browser/static/index.html?managerUrl=ws%3A%2F%2Flocalhost%3A43281%2F4AOJ6d6spY8%3D%2F0&debug=false --enable-logging=stderr --v=0 --disable-extensions --disable-popup-blocking --bwsi --no-first-run --no-default-browser-check --disable-default-apps --disable-translate --disable-dev-shm-usage --headless --disable-gpu --remote-debugging-port=0 V[0]), permittedchmod (dns block)
  • Triggering command: /proc/self/exe /proc/self/exe --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --disable-dev-shm-usage --use-angle=swiftshader-webgl --crashpad-handler-pid=16227 --enable-crash-reporter=, --noerrdialogs --user-data-dir=/tmp/dart_test_JEMMBQ --change-stack-guard-on-fork=enable --shared-files=v8_context_snapshot_data:100 --field-trial-handle=3,i,7575757346373934523,9568924339276478308,262144 --disable-features=PaintHolding --variations-seed-version --pseudonymization-salt-handle=7,i,16818961634469148168,3470182405342867997,4 --trace-process-track-uuid=3190708989122997041 --enable-logging=stderr --v=0 (dns block)
• clientservices.googleapis.com
  • Triggering command: /proc/self/exe /proc/self/exe --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --disable-dev-shm-usage --use-angle=swiftshader-webgl --crashpad-handler-pid=14957 --enable-crash-reporter=, --noerrdialogs --user-data-dir=/tmp/dart_test_YODZJH --change-stack-guard-on-fork=enable --shared-files=v8_context_snapshot_data:100 --field-trial-handle=3,i,6113946608114257196,458380295763643761,262144 --disable-features=PaintHolding --variations-seed-version --pseudonymization-salt-handle=7,i,17647421480541991764,16967535119223283073,4 --trace-process-track-uuid=3190708989122997041 --enable-logging=stderr --v=0 (dns block)
  • Triggering command: /opt/google/chrome/chrome /usr/bin/google-chrome --user-data-dir=/tmp/dart_test_YODZJH http://localhost:43281/4AOJ6d6spY8=/packages/test/src/REDACTED/browser/static/index.html?managerUrl=ws%3A%2F%2Flocalhost%3A43281%2F4AOJ6d6spY8%3D%2F0&debug=false --enable-logging=stderr --v=0 --disable-extensions --disable-popup-blocking --bwsi --no-first-run --no-default-browser-check --disable-default-apps --disable-translate --disable-dev-shm-usage --headless --disable-gpu --remote-debugging-port=0 V[0]), permittedchmod (dns block)
  • Triggering command: /proc/self/exe /proc/self/exe --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --disable-dev-shm-usage --use-angle=swiftshader-webgl --crashpad-handler-pid=16227 --enable-crash-reporter=, --noerrdialogs --user-data-dir=/tmp/dart_test_JEMMBQ --change-stack-guard-on-fork=enable --shared-files=v8_context_snapshot_data:100 --field-trial-handle=3,i,7575757346373934523,9568924339276478308,262144 --disable-features=PaintHolding --variations-seed-version --pseudonymization-salt-handle=7,i,16818961634469148168,3470182405342867997,4 --trace-process-track-uuid=3190708989122997041 --enable-logging=stderr --v=0 (dns block)
• example.com
  • Triggering command: /opt/hostedtoolcache/go/1.22.12/x64/bin/go go mod tidy -e -I . /tmp/cgo-gcc-input-1941707870.c sh lse)) l/httpcommon --64 linux_amd64.o x64/�� UnpackList.go internal.telepact.yaml ache/go/1.22.12/x64/pkg/tool/linux_amd64/asm l=ws%3A%2F%2Floc/usr/libexec/gcc/x86_64-linux-gnu/13/cc1 --64 -o ache/go/1.22.12//tmp/go-build3888925053/b103/ (dns block)
  • Triggering command: /opt/hostedtoolcache/go/1.22.12/x64/bin/go go get -v ./... /tmp/go-build3888925053/b103// -dumpbase _cgo_.c -dumpbase-ext .c -m64 -mtune=generic -march=x86-64 x64/�� UnpackList.go internal.telepact.yaml x64/bin/ruby --gdwarf-5 --64 -o ache/go/1.22.12//tmp/go-build3888925053/b103/ (dns block)
• redirector.gvt1.com
  • Triggering command: /proc/self/exe /proc/self/exe --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --disable-dev-shm-usage --use-angle=swiftshader-webgl --crashpad-handler-pid=14957 --enable-crash-reporter=, --noerrdialogs --user-data-dir=/tmp/dart_test_YODZJH --change-stack-guard-on-fork=enable --shared-files=v8_context_snapshot_data:100 --field-trial-handle=3,i,6113946608114257196,458380295763643761,262144 --disable-features=PaintHolding --variations-seed-version --pseudonymization-salt-handle=7,i,17647421480541991764,16967535119223283073,4 --trace-process-track-uuid=3190708989122997041 --enable-logging=stderr --v=0 (dns block)
  • Triggering command: /opt/google/chrome/chrome /usr/bin/google-chrome --user-data-dir=/tmp/dart_test_YODZJH http://localhost:43281/4AOJ6d6spY8=/packages/test/src/REDACTED/browser/static/index.html?managerUrl=ws%3A%2F%2Flocalhost%3A43281%2F4AOJ6d6spY8%3D%2F0&debug=false --enable-logging=stderr --v=0 --disable-extensions --disable-popup-blocking --bwsi --no-first-run --no-default-browser-check --disable-default-apps --disable-translate --disable-dev-shm-usage --headless --disable-gpu --remote-debugging-port=0 V[0]), permittedchmod (dns block)
  • Triggering command: /proc/self/exe /proc/self/exe --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --disable-dev-shm-usage --use-angle=swiftshader-webgl --crashpad-handler-pid=16227 --enable-crash-reporter=, --noerrdialogs --user-data-dir=/tmp/dart_test_JEMMBQ --change-stack-guard-on-fork=enable --shared-files=v8_context_snapshot_data:100 --field-trial-handle=3,i,7575757346373934523,9568924339276478308,262144 --disable-features=PaintHolding --variations-seed-version --pseudonymization-salt-handle=7,i,16818961634469148168,3470182405342867997,4 --trace-process-track-uuid=3190708989122997041 --enable-logging=stderr --v=0 (dns block)
• safebrowsingohttpgateway.googleapis.com
  • Triggering command: /proc/self/exe /proc/self/exe --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --disable-dev-shm-usage --use-angle=swiftshader-webgl --crashpad-handler-pid=14957 --enable-crash-reporter=, --noerrdialogs --user-data-dir=/tmp/dart_test_YODZJH --change-stack-guard-on-fork=enable --shared-files=v8_context_snapshot_data:100 --field-trial-handle=3,i,6113946608114257196,458380295763643761,262144 --disable-features=PaintHolding --variations-seed-version --pseudonymization-salt-handle=7,i,17647421480541991764,16967535119223283073,4 --trace-process-track-uuid=3190708989122997041 --enable-logging=stderr --v=0 (dns block)
  • Triggering command: /opt/google/chrome/chrome /usr/bin/google-chrome --user-data-dir=/tmp/dart_test_YODZJH http://localhost:43281/4AOJ6d6spY8=/packages/test/src/REDACTED/browser/static/index.html?managerUrl=ws%3A%2F%2Flocalhost%3A43281%2F4AOJ6d6spY8%3D%2F0&debug=false --enable-logging=stderr --v=0 --disable-extensions --disable-popup-blocking --bwsi --no-first-run --no-default-browser-check --disable-default-apps --disable-translate --disable-dev-shm-usage --headless --disable-gpu --remote-debugging-port=0 V[0]), permittedchmod (dns block)
  • Triggering command: /proc/self/exe /proc/self/exe --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --disable-dev-shm-usage --use-angle=swiftshader-webgl --crashpad-handler-pid=16227 --enable-crash-reporter=, --noerrdialogs --user-data-dir=/tmp/dart_test_JEMMBQ --change-stack-guard-on-fork=enable --shared-files=v8_context_snapshot_data:100 --field-trial-handle=3,i,7575757346373934523,9568924339276478308,262144 --disable-features=PaintHolding --variations-seed-version --pseudonymization-salt-handle=7,i,16818961634469148168,3470182405342867997,4 --trace-process-track-uuid=3190708989122997041 --enable-logging=stderr --v=0 (dns block)
• www.google.com
  • Triggering command: /proc/self/exe /proc/self/exe --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --disable-dev-shm-usage --use-angle=swiftshader-webgl --crashpad-handler-pid=14957 --enable-crash-reporter=, --noerrdialogs --user-data-dir=/tmp/dart_test_YODZJH --change-stack-guard-on-fork=enable --shared-files=v8_context_snapshot_data:100 --field-trial-handle=3,i,6113946608114257196,458380295763643761,262144 --disable-features=PaintHolding --variations-seed-version --pseudonymization-salt-handle=7,i,17647421480541991764,16967535119223283073,4 --trace-process-track-uuid=3190708989122997041 --enable-logging=stderr --v=0 (dns block)
  • Triggering command: /opt/google/chrome/chrome /usr/bin/google-chrome --user-data-dir=/tmp/dart_test_YODZJH http://localhost:43281/4AOJ6d6spY8=/packages/test/src/REDACTED/browser/static/index.html?managerUrl=ws%3A%2F%2Flocalhost%3A43281%2F4AOJ6d6spY8%3D%2F0&debug=false --enable-logging=stderr --v=0 --disable-extensions --disable-popup-blocking --bwsi --no-first-run --no-default-browser-check --disable-default-apps --disable-translate --disable-dev-shm-usage --headless --disable-gpu --remote-debugging-port=0 V[0]), permittedchmod (dns block)
  • Triggering command: /proc/self/exe /proc/self/exe --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --disable-dev-shm-usage --use-angle=swiftshader-webgl --crashpad-handler-pid=16227 --enable-crash-reporter=, --noerrdialogs --user-data-dir=/tmp/dart_test_JEMMBQ --change-stack-guard-on-fork=enable --shared-files=v8_context_snapshot_data:100 --field-trial-handle=3,i,7575757346373934523,9568924339276478308,262144 --disable-features=PaintHolding --variations-seed-version --pseudonymization-salt-handle=7,i,16818961634469148168,3470182405342867997,4 --trace-process-track-uuid=3190708989122997041 --enable-logging=stderr --v=0 (dns block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to the custom allowlist in this repository's Copilot coding agent settings (admins only)