Trying out different data structures for day 11, seeing if any improve matters

[advent-of-code-16.git] / README.md

diff --git a/README.md b/README.md
index 2e4886ca28d1928ef768353217ce845fb803e444..78f784902e697cbf693ffb83b1427f29474601c0 100644 (file)
--- a/README.md
+++ b/README.md
@@ -7,12 +7,53 @@ Code to solve the [Advent of Code](http://adventofcode.com/2016/) puzzles. This
 
 [Learn you a Haskell](http://learnyouahaskell.com/chapters), [Introduction to Haskell 98](https://www.haskell.org/tutorial/index.html), and [Hackage](https://hackage.haskell.org/) are good resources.
 
-I'm using the basic Haskell Platform installation (install with
+# Toolchain
+
+I'm using the basic Haskell Platform installation, togeher with `Stack` to manage the packages and dependencies (install with
 ```
-$ sudo aptitude install haskell-platform
+$ sudo aptitude install haskell-platform haskell-stack
 ```
 ).
 
+I have one package for each day, to save time waiting for Stack to check every executable before compiling what's changed. Each package needs a separate directory tree and a separate `.cabal` file. 
+
+Compile with
+```
+stack build
+```
+or 
+```
+stack build adventofcode1601
+```
+
+Run with
+```
+stack exec advent01
+```
+
+Run interactively with
+```
+stack ghci adventofcode1601:exe:advent01
+```
+
+To profile, use 
+```
+stack build --executable-profiling --library-profiling -ghc-options="-fprof-auto -rtsopts" adventofcode1601
+```
+then run with
+```
+stack exec -- advent01 +RTS -p -hy
+```
+
+# Readme
+
+Build this readme file wth
+```
+pandoc -s README.md > README.html
+```
+
+### Earlier instructions, for compiling before use of Stack
+
 I'm also using some extra libraries. Before installing, run `cabal update` then set `library-profiling: True` in `~/.cabal/config` . Then install the packages with  
 ```
 $ cabal install MissingH
@@ -39,9 +80,4 @@ time ./advent01 +RTS -p -hy
 
 and create the profile picture with `h2ps advent01.hp` . 
 
-Build this readme file wth
-```
-pandoc -s README.md > README.html
-```
-
-(Using the [Modest style](https://github.com/markdowncss/modest).)
\ No newline at end of file
+(Using the [Modest style](https://github.com/markdowncss/modest).)