Add option to use logical cores for default threads

2021-06-16 15:46:17 -04:00
parent 0152435ab0
commit 6a46e38deb
5 changed files with 123 additions and 47 deletions
@@ -125,6 +125,9 @@ the last one takes effect.
    This mode is the only one available when multithread support is disabled.
    Single-thread mode features lower memory usage.
    Final compressed result is slightly different from `-T1`.
+* `--auto-threads={physical,logical} (default: physical)`:
+    When using a default amount of threads via `-T0`, choose the default based on the number
+    of detected physical or logical cores.
 * `--adapt[=min=#,max=#]` :
    `zstd` will dynamically adapt compression level to perceived I/O conditions.
    Compression level adaptation can be observed live by using command `-v`.