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darling-lol/tools/build-riot-libs-runtime.sh
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lucannez64andClaude Opus 5.5 4370f375cd Cut Darling overhead in League fights and add passive match capture
Game process (ARAM Hexgate: 84 -> 127 FPS average, slowest stretches ~110):
- Local pthread mutexes, condition variables and Mach semaphores are on by
  default in the game process only, with /tmp/rclol-no-local-* opt-outs.
  The main thread's darlingserver waits fell from 1.36 to 0.10 ms per frame.
- Local semaphores: the count and the slot generation change in one
  compare-exchange, a destroy leaves a negative marker, the table is reset
  after fork, and names the table did not create go to the server.
- Metal: drop identical re-binds (keyed on the Indium object, depth-stencil
  retained), pass blit resources by reference, and stop resetting vertex
  descriptors twice.
- Core isolation of the main thread is opt-in (/tmp/rclol-core-isolation);
  it lowered FPS in its only match.
- Optimized libc/libc++/Foundation overlays, AVX2 string primitives, real CPU
  topology and their installers and offline checks.

Tools and docs:
- tools/riot-match-capture: passive /proc sampler, user-space IP profiler and
  reports, plus a comparison against the game's netstats.
- tools/riot-lsem-model and tools/riot-metal-bind-model: host models that
  extract the shipped code and check it.
- tools/install-riot-metal-pair.sh installs Metal and Indium together.
- Status, setup, testing and troubleshooting docs updated with the measured
  matches and the switch table; manifest file counts match the patches.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
2026-10-14 16:48:34 +02:00

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#!/bin/sh
# Build every overlay of the optimized library batch, in order.
#
# Each builder recompiles the component's own objects at -O2 with the flags
# the configured build gives them and relinks with the configured link line;
# none of them runs a full cmake build. The builders stop while a League game
# process is running, because a compile job would skew the FPS the user is
# measuring. Install the artifacts with
# python3 build/runtime/tools/install-riot-libs-runtime.py.
set -eu
project_dir=$(CDPATH= cd -- "$(dirname -- "$0")/.." && pwd)
cd "$project_dir"
python3 tools/build-riot-libc-runtime.py
python3 tools/build-riot-cxx-runtime.py
python3 tools/build-riot-platform-strings.py