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authorRickard Green <[email protected]>2014-02-23 20:04:30 +0100
committerRickard Green <[email protected]>2014-02-23 20:04:30 +0100
commitb2017b91a5572f7bc2caf15082b4b105f3a3e21d (patch)
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Introduce configure option --with-assumed-cache-line-size=SIZE
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diff --git a/HOWTO/INSTALL.md b/HOWTO/INSTALL.md
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@@ -274,6 +274,11 @@ Some of the available `configure` options are:
`(g)cc`
* `--enable-m32-build` - Build 32-bit binaries using the `-m32` flag to
`(g)cc`
+* `--with-assumed-cache-line-size=SIZE` - Set assumed cache-line size in
+ bytes. Default is 64. Valid values are powers of two between and
+ including 16 and 8192. The runtime system use this value in order to
+ try to avoid false sharing. A too large value wastes memory. A to
+ small value will increase the amount of false sharing.
* `--{with,without}-termcap` - termcap (without implies that only the old
Erlang shell can be used)
* `--with-javac=JAVAC` - Specify Java compiler to use