Interruptible FFI calls with pthread_kill and CancelSynchronousIO. v4

[ghc-hetmet.git] / docs / users_guide / sooner.xml

diff --git a/docs/users_guide/sooner.xml b/docs/users_guide/sooner.xml
index d1aeb0f..eb85878 100644 (file)
--- a/docs/users_guide/sooner.xml
+++ b/docs/users_guide/sooner.xml
@@ -152,6 +152,17 @@ should go here!</para>
       </varlistentry>
 
       <varlistentry>
+       <term>Compile via LLVM:</term>
+       <listitem>
+               <para>The LLVM code generator can sometimes do a far better job
+                           at producing fast code then either the native code generator
+                                       or the C code generator. This is not universal and depends
+                                       on the code. Numeric heavy code seems to show the best
+                                       improvement when compiled via LLVM.</para>
+       </listitem>
+      </varlistentry>
+
+      <varlistentry>
        <term>Compile via C and crank up GCC:</term>
        <listitem>
          <para>The native code-generator is designed to be quick, not
@@ -539,7 +550,6 @@ be required).
 
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