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Add caution about -fspec-constr-recursive
143cd77Harendra Kumar
docs/Build.md+7−3
@@ -8,12 +8,16 @@ in many cases.
8Use the following GHC options:
8Use the following GHC options:
9
9
10```
10```
11− -O2
11+ -O2
12− -fdicts-strict
12+ -fdicts-strict
13− -fspec-constr-recursive=16
14 -fmax-worker-args=16
13 -fmax-worker-args=16
14+ -fspec-constr-recursive=16
15```
15```
16
16
17+Important Note: In certain cases it is possible that GHC takes too long to
18+compile with `-fspec-constr-recursive=16`, if that happens please reduce the
19+value or remove that option.
20+
17## Using Fusion Plugin
21## Using Fusion Plugin
18
22
19In many cases `fusion-plugin` can improve performance by better stream
23In many cases `fusion-plugin` can improve performance by better stream