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perf(programs): build the ethrex guest with thin LTO #861

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perf(programs): build the ethrex guest with thin LTO #861

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perf(programs): build the ethrex guest with thin LTO
MauroToscano Jul 24, 2026
676f28d
Merge branch 'main' into perf/ethrex-guest-thin-lto
diegokingston Jul 24, 2026
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7 changes: 7 additions & 0 deletions executor/programs/rust/ethrex/Cargo.toml
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@@ -1,5 +1,12 @@
[workspace]

# Thin LTO measurably lowers executed guest cycles (~2.3% on the committed
# ethrex_bench fixtures) at a small ELF-size cost, which is free in this VM
# (execution is priced per executed instruction, not by ELF size). Cargo's
# release default is lto = false / codegen-units = 16.
[profile.release]
lto = "thin"

[package]
name = "ethrex"
version = "0.1.0"
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