fm-directory-view.c: Decrease minimum update interval.

lukefromdc · lukefromdc · commit 021ff2ac062f · 2018-10-02T23:25:57.000-04:00
With a lower starting interval, the UI responds more quickly, and
loading tends to complete faster.

Ported from
github.com/linuxmint/nemo/commit/61368e3fc33c0d662f45731d6bbb2a28fc5023ca

Where these benchmarks resulted for Nemo:

NEMO_BENCHMARK_LOADING=1 nemo /usr/bin

with:
Nemo startup time: 1.797009 seconds
Folder load time: 0.937992 seconds
Idle...Folder load time: 0.973764 seconds

without:
Nemo startup time: 2.054006 seconds
Folder load time: 1.187159 seconds
Idle...Folder load time: 1.219712 seconds

Speedup on opening a Caja folder with many files was immediate and obvious
diff --git a/src/file-manager/fm-directory-view.c b/src/file-manager/fm-directory-view.c
@@ -88,9 +88,9 @@
 #include <libmate-desktop/mate-desktop-utils.h>
 
 /* Minimum starting update inverval */
-#define UPDATE_INTERVAL_MIN 100
+#define UPDATE_INTERVAL_MIN 50
 /* Maximum update interval */
-#define UPDATE_INTERVAL_MAX 2000
+#define UPDATE_INTERVAL_MAX 2050
 /* Amount of miliseconds the update interval is increased */
 #define UPDATE_INTERVAL_INC 250
 /* Interval at which the update interval is increased */
