Hydraulics inner-loop benchmark

Timing the new plant hydraulics path against the FF16 baseline across a leaf-area-index sweep — an expensive run, pinned to its own environment.

plant @develop a1b2c3d

This post is built against an unreleased commit on develop, so the badge pins to a SHA rather than a version. The simulation below is slow, so it’s pinned to its own renv snapshot as well — a later project-wide package upgrade can’t change this result even on a forced re-run.

Per-post environment

This directory carries its own lockfile, captured once when the post was written:

# run from this post's directory, once:
renv::snapshot(lockfile = "renv.lock.dev", prompt = FALSE)

plant_session_info() (footer) reports renv.lock.dev when present, so the page records exactly which environment produced the figures. To reproduce: check out plant at the SHA above, renv::restore(lockfile = "renv.lock.dev"), delete this post’s _freeze/ entry, re-render.

The sweep

library(plant)
library(bench)

lai_grid <- seq(1, 8, by = 0.5)

results <- lapply(lai_grid, function(L) {
  bench::mark(
    baseline  = run_inner_ff16(lai = L),
    hydraulic = run_inner_hydraulics(lai = L),
    iterations = 20, check = FALSE
  )
})

# ... ggplot of median time by method across lai_grid ...

Note

Numbers here are frozen to commit a1b2c3d. When this work lands on master, supersede this post with a release-pinned version rather than editing it — keeping the develop snapshot as the historical record.

Reproducibility footer

plant_session_info()