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ai-app/iris/android-app/run-bench.sh
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irisandClaude Fable 5.1 167862ca1b iris: the composer scrolls on a finger -- a dp cap worth zero, a stale mask slot, a hit box moved twice
Wrapping the composer's field in .scrollable().masked() needed three
layout defects fixed first, each with a headless regression test that was
confirmed to fail without its fix:

- MaxSize/Sized reported a caller's declared dp length unresolved, and
  Span places a child from the abs/rel of what it reported, so dp(168)
  was worth zero: the bar got a slot of nothing the moment its content
  passed six lines and the Scroll inside measured its container at -63px
  (container=-63 content=415.8 amt=478.8 on the emulator). Len::fold_dp,
  used on the way out, plus a debug_assert in draw_inner that a reported
  Size carries no dp -- the rule is about every widget, not those two.
- Masked allocated a fresh mask slot per draw, and draw_inner's
  unchanged-region fast path does not revisit descendants, so they kept
  clipping against a box the bar had moved away from: four live mask
  entries, none of them current, and the field drew nothing.
  ActiveData::own_mask, allocated once and rewritten in place.
- mov updates active.region and accumulates the same delta on the move
  slot, and resolved_region added both, so a panned widget's own hit box
  sat at twice the pan -- the composer's field was untappable after a
  drag. ActiveData::move_applied.

Scroll itself measured the right number by a misleading route; it is
written against painter.px_size() now and still reports its content's
size, since reporting the container makes the answer a function of
itself.

Verified on this checkout's emulator: swipe 540 1200 -> 540 1460 moved
the field's Message box 31,1041..1048,1509 -> 31,1131..1048,1651 with its
height unchanged at 468px.

run-bench.sh polled logcat for a prefix copy_report also logs at startup,
so it printed a report that had never been run.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
2026-09-06 17:17:42 -04:00

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#!/bin/sh
# Installs and runs the iris `bench` build on this checkout's own emulator
# (per this-machine-android's per-checkout-AVD rule; `emu serial` picks it)
# and prints the report -- the iris half of `app/transcript-bench.sh`'s
# job. No coordinates: the button is found by its accessibility label
# through `ui-trace`, per AGENTS.md's "Driving the UI".
#
# Usage: ./run-bench.sh [--apk PATH]
# Defaults to this checkout's own release APK
# (app/build/outputs/apk/release/app-release.apk) if it exists, else the
# debug one -- build one first with ./build-apk.sh.
set -eu
cd "$(dirname "$0")"
APK=""
while [ $# -gt 0 ]; do
case "$1" in
--apk) APK="$2"; shift 2 ;;
*) echo "run-bench.sh: unknown argument: $1" >&2; exit 1 ;;
esac
done
if [ -z "$APK" ]; then
if [ -f app/build/outputs/apk/release/app-release.apk ]; then
APK=app/build/outputs/apk/release/app-release.apk
else
APK=app/build/outputs/apk/debug/app-debug.apk
fi
fi
if [ ! -f "$APK" ]; then
echo "run-bench.sh: no APK at $APK -- run ./build-apk.sh first" >&2
exit 1
fi
SERIAL=$(emu serial)
PKG=$(aapt2 dump badging "$APK" 2>/dev/null | sed -n "s/^package: name='\\([^']*\\)'.*/\\1/p")
if [ -z "$PKG" ]; then
BUILD_TOOLS=$(ls -d "$HOME"/Android/Sdk/build-tools/*/ | sort -V | tail -1)
PKG=$("${BUILD_TOOLS}aapt2" dump badging "$APK" | sed -n "s/^package: name='\\([^']*\\)'.*/\\1/p")
fi
echo "run-bench.sh: installing $APK ($PKG) on $SERIAL"
adb -s "$SERIAL" install -r "$APK" >/dev/null
adb -s "$SERIAL" shell am force-stop "$PKG"
adb -s "$SERIAL" logcat -c
adb -s "$SERIAL" shell am start -n "$PKG/dev.iris.android.demo.MainActivity" >/dev/null
ui-trace record -s "$SERIAL" -d 3000 --do "tap 'Run benchmark'" -o /tmp/run-bench-tap.txt >/dev/null
# Poll for the report line rather than a fixed sleep -- the run itself is
# a fixed script (RUST.md's "Benchmark v2": 16 flings, a 20s streaming
# phase, ~61s of typing, 10s of keyboard toggles, roughly 2.5 minutes end
# to end) but device speed varies. 260s cap rather than v1's 90s -- v2 is
# a longer script than v1's swipe-loop-only run.
# The report's own first line, not the bare "iris bench report:" prefix:
# `copy_report` logs that prefix too ("nothing to copy -- run the benchmark
# first", which the app emits at startup), so polling for the prefix
# returned instantly and the script printed a report that was never run.
REPORT_LINE="iris bench report: iris bench report"
i=0
while [ "$i" -lt 260 ]; do
LINE=$(adb -s "$SERIAL" logcat -d -s iris-android-app:I 2>/dev/null | grep "$REPORT_LINE" || true)
if [ -n "$LINE" ]; then
break
fi
i=$((i + 1))
sleep 1
done
if [ -z "$LINE" ]; then
echo "run-bench.sh: no report after 260s -- check logcat by hand" >&2
exit 1
fi
# -A 60 rather than v1's -A 6 -- v2's report has a per-phase block (four
# phases, four lines each) on top of the frames/bench sections v1 had.
adb -s "$SERIAL" logcat -d -s iris-android-app:I | grep -A 60 "$REPORT_LINE"