From: suter <frederic.suter@cc.in2p3.fr>
Date: Mon, 26 Nov 2012 12:44:27 +0000 (+0100)
Subject: change default value of tcp_gamma to use something more realistic than
X-Git-Tag: v3_9_rc1~91^2~18
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/3c6fc0c6d0d704281f05b79bedcd9bd61a8c868c

change default value of tcp_gamma to use something more realistic than
20K. Use 4MiB now
---

diff --git a/src/surf/surf_config.c b/src/surf/surf_config.c
index 0b7da099cc..debb767609 100644
--- a/src/surf/surf_config.c
+++ b/src/surf/surf_config.c
@@ -444,7 +444,7 @@ void surf_config_init(int *argc, char **argv)
                      "Size of the biggest TCP window (cat /proc/sys/net/ipv4/tcp_[rw]mem for recv/send window; Use the last given value, which is the max window size)",
                      xbt_cfgelm_double, NULL, 1, 1,
                      _surf_cfg_cb__tcp_gamma, NULL);
-    xbt_cfg_setdefault_double(_surf_cfg_set, "network/TCP_gamma", 20000.0);
+    xbt_cfg_setdefault_double(_surf_cfg_set, "network/TCP_gamma", 4194304.0);
 
     xbt_cfg_register(&_surf_cfg_set, "maxmin/precision",
                      "Numerical precision used when updating simulation models (epsilon in double comparisons)",