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feat(build): tune GHC for haskelseed (8 CPU / 30 GiB)
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- .ghci: -j1 → -j4 for parallel module compilation
- scripts/compile-check: auto-detect high-RAM hosts (>16GB) and
  set GHCRTS="-A256m -M20g" to reduce GC pressure
- devenv.nix: update comment only (GHCRTS still set at runtime)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Bernd Worsch
2026-04-28 01:32:36 +02:00
parent 785362f1a7
commit 7972b38820
3 changed files with 12 additions and 5 deletions
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devenv.nix
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@@ -22,7 +22,7 @@
# ── Resource limits (constrained host: 2 CPU / ~3.8 GiB RAM) ─────────────
# -A32m: smaller minor heap; -M2g: hard heap ceiling.
# -N1 omitted: requires -threaded, which breaks IHP tools.
# GHC parallel module compilation is capped via -j1 in .ghci.
# GHC parallel module compilation is capped via -j4 in .ghci.
env.GHCRTS = "-A32m -M2g";
# ── IHP environment variables ─────────────────────────────────────────────