September 2016
Intermediate to advanced
408 pages
9h 18m
English
Content preview from Haskell High Performance ProgrammingBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Summary of useful GHC options
The last part of this chapter collects options for GHC and the Runtime System into a concise reference. Let's start off with GHC.
Basic usage
These are some of the most often used general flags related to compilation with GHC:
--make: Compile a multi-module program-j<n>: Parallel compilation-i,-e,runghc: Interactive and evaluation modes-fforce-recomp: Force recompilation-Wall: Turn on all code-level warnings-Werror: Turn all warnings into errors-freverse-errors: Print top-most error last
The LLVM backend
The LLVM route is the preferred compilation path for numeric code. It requires the LLVM libraries and a compatible system. The flags used to enable LLVM are:
-fllvm: Compile via LLVM-optlo-O3: Enable optimizations in ...
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