tor-browser

commit 55650e162f6bd863fd1a6dcc434ffead8ecc2365
parent 22dd217d157e33eb40f4a29b2f348bf8ddecba3b
Author: kycn <35106533+kycn@users.noreply.github.com>
Date:   Mon, 24 Nov 2025 08:58:54 +0000

Bug 1999950 - Reduce Fission's preallocated process count to 1 on Android due to the cpu regression at startup. r=geckoview-reviewers,nika,tcampbell

Differential Revision: https://phabricator.services.mozilla.com/D273063

Diffstat:
M
modules/libpref/init/StaticPrefList.yaml
 | 
5
+++++

1 file changed, 5 insertions(+), 0 deletions(-)
diff --git a/modules/libpref/init/StaticPrefList.yaml b/modules/libpref/init/StaticPrefList.yaml
@@ -3400,7 +3400,12 @@
 # Only used in fission; in e10s we use 1 always
 - name: dom.ipc.processPrelaunch.fission.number
   type: uint32_t
+#ifdef ANDROID
+  # Bug 1999950: Prelaunch 1 process on Android due to a performance regression.
+  value: 1
+#else
   value: 3
+#endif
   mirror: always
 
 # Limit preallocated processes below this memory size (in MB)