paleobuddy
paleobuddy can now simulate trait-dependent diversification, not just birth-death.
Comparison · Analytics
parallelDist vs redist
A side-by-side editorial comparison of parallelDist and redist — release velocity, themes, recent moves, and the top alternatives to consider.
parallelDist vs redist: at a glance
What is parallelDist?
parallelDist is in pure preservation mode — one build fix every few years.
parallelDist computes distance matrices across threads in C++ via RcppParallel and Armadillo. The feature set has been settled since 0.2.3 in 2018, which added hamming distance and cosine similarity; everything after that is compatibility work. The most recent release, 0.2.7, exists only to drop a C++11 pin that newer Armadillo versions no longer tolerate.
What is redist?
redist keeps rewriting the sampler underneath a district-drawing API it has held stable since 4.0.
redist simulates redistricting plans via sequential Monte Carlo, merge-split MCMC and short-burst optimization, and it is the analysis tool behind a good deal of published districting work. The user-facing shape was set by 4.0.1's constraint interface and the split of metrics into the redistmetrics package; since then the changes are in the algorithms. The most consequential recent one replaces the SMC label-counting adjustment with a backward kernel that removes approximation error outright.
parallelDist vs redist: editorial side-by-side
parallelDist
0.0ANALYTICS
parallelDist is in pure preservation mode — one build fix every few years.
◆ Current state
parallelDist computes distance matrices across threads in C++ via RcppParallel and Armadillo. The feature set has been settled since 0.2.3 in 2018, which added hamming distance and cosine similarity; everything after that is compatibility work. The most recent release, 0.2.7, exists only to drop a C++11 pin that newer Armadillo versions no longer tolerate.
◆ Where it's heading
The package is being kept installable, not developed. The three most recent releases are a toolchain pin removal, a DESCRIPTION field removal, and a coercion change inherited from proxy — none originate from user-facing intent. Gaps of three to four years between releases are the norm now, and each one is triggered by something upstream breaking rather than by a roadmap.
◆ Prediction
The next release will almost certainly be another compatibility fix timed to whatever Armadillo, Rcpp or CRAN check policy changes next. Nothing in the entries points to new distance measures or API work.
redist
0.0ANALYTICS
redist keeps rewriting the sampler underneath a district-drawing API it has held stable since 4.0.
◆ Current state
redist simulates redistricting plans via sequential Monte Carlo, merge-split MCMC and short-burst optimization, and it is the analysis tool behind a good deal of published districting work. The user-facing shape was set by 4.0.1's constraint interface and the split of metrics into the redistmetrics package; since then the changes are in the algorithms. The most consequential recent one replaces the SMC label-counting adjustment with a backward kernel that removes approximation error outright.
◆ Where it's heading
The direction is toward exactness and throughput at once — the new kernel is described as both eliminating approximation error and costing far less computation, and successive releases keep adding parallelism, most recently to the flip algorithm. Feature growth has moved into the optimization side, where short-burst gained multiple independent scorers and a Pareto frontier. The release notes are not a reliable ledger: 4.3.1 ships the identical text as 4.3.0.
◆ Prediction
Expect the remaining single-threaded algorithms to gain the chains-style parallelism that flip just received, following the pattern SMC established several releases ago.
Alternatives to parallelDist and redist
Other Analytics products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either parallelDist or redist.
geodist
geodist stays dependency-free and fast, and warns you when 'cheap' distances stop being honest.
errors
errors keeps making uncertainty print the way each scientific field expects.
CMAQ
CMAQ went global in v5.5, and has been patching that surface ever since.
enpls
enpls has not changed its statistics since 2016 — only its website, twice.
grex
grex is a lookup table with a version number — it ships when the annotation moves.
See all parallelDist alternatives → · See all redist alternatives →
Recent activity from parallelDist and redist
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 6mo agoredistParallel chains for redist_flip()
- 6mo agoredistPatch release reusing the 4.3.0 notes
- 10mo agoredistSMC backward kernel removes label-counting approximation error
- 10mo agoparallelDistparallelDist 0.2.7 drops the C++11 pin for newer Armadillo
- 2y agoredistMulti-objective short-burst search with Pareto frontier
- 3y agoredistredist_ci interface and faster loop-erased random walk
- 4y agoredistredist_constr() unifies constraints and admits user-defined ones ⚡
- 4y agoparallelDistparallelDist 0.2.6: LazyData removed, vignette font swapped
- 4y agoparallelDistparallelDist 0.2.5 changes cosine distance to 1-x
- 7y agoparallelDistparallelDist 0.2.4 fixes the Solaris build
- 7y agoparallelDistparallelDist 0.2.3 adds hamming and cosine measures
- 7y agoparallelDistparallelDist 0.2.2
Frequently asked questions
What is the difference between parallelDist and redist?
They serve adjacent needs but don't currently overlap on shipped themes. parallelDist and redist are shipping at a similar cadence (velocity 0.0 vs 0.0, both within Sparkpulse's "active" band). See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is parallelDist better than redist?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. parallelDist and redist are shipping at a similar cadence (velocity 0.0 vs 0.0, both within Sparkpulse's "active" band). For your specific use case, the alternatives sections above list other Analytics products to evaluate alongside.
What are the best alternatives to parallelDist?
Top parallelDist alternatives in Analytics are ranked by recent ship velocity. Browse the "parallelDist alternatives" section above for the current picks, or visit /alternatives/paralleldist for the full list with editorial commentary on each.
What are the best alternatives to redist?
Top redist alternatives in Analytics are ranked by recent ship velocity. Browse the "redist alternatives" section above for the current picks, or visit /alternatives/redist-r for the full list with editorial commentary on each.