[package]
name        = "ecs_dt_benchmark"
version     = "0.1.0"
edition     = "2021"
description = "ECS Digital Twin runtime benchmark — TRANSIT lab / UQAC"

# No default features: we do NOT want a window, renderer, audio, or anything
# that requires a display. Pure headless ECS.
[dependencies]
bevy_ecs   = { version = "0.18", default-features = false }
rand       = { version = "0.8",  features = ["small_rng"] }
rand_chacha = "0.3"

[profile.release]
opt-level   = 3
lto         = "thin"     # thin LTO: good balance between link time and perf
codegen-units = 1        # single CGU for max inlining across crate boundary
panic       = "abort"    # smaller binary, no unwinding overhead

[profile.bench]
inherits  = "release"
debug     = true         # keep symbols so perf/flamegraph works on RPi

# On aarch64 (RPi 5 Cortex-A76) the compiler can use NEON by default.
# Uncomment the line below for the RPi 5 build to also enable SVE if your
# toolchain supports it (most don't yet for aarch64-unknown-linux-gnu):
# [target.aarch64-unknown-linux-gnu]
# rustflags = ["-C", "target-cpu=cortex-a76"]