Changeset 73d91ac for chapter08/automake.xml

Timestamp:

12/05/2023 05:12:55 AM (7 months ago)

Author:

Xi Ruoyao <xry111@…>

Branches:

xry111/arm64

Children:

00de269

Parents:

6b6a1b9 (diff), dc8572f (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge remote-tracking branch 'origin/trunk' into xry111/arm64

File:

• chapter08/automake.xml (modified) (1 diff)

chapter08/automake.xml

@@ -54 +54 @@
 <screen><userinput remap="make">make</userinput></screen>
 
-    <para> Using the -j4 make option speeds up the tests, even on systems with
-    only one processor, due to internal delays in individual tests.  To test
+    <para>Using four parallel jobs speeds up the tests, even on systems with
+    less logical cores, due to internal delays in individual tests.  To test
     the results, issue:</para>
 
-<screen><userinput remap="test">make -j4 check</userinput></screen>
+<screen><userinput remap="test">make <replaceable>-j$(($(nproc)&gt;4?$(nproc):4))</replaceable> check</userinput></screen>
+
+    <para>Replace <replaceable>$((...))</replaceable> with the number of
+    logical cores you want to use if you don't want to use all.</para>
 
     <para>The test t/subobj.sh is known to fail.</para>