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From: Xiao-Yong Jin <meta.jxy@gmail.com>
To: 9front@9front.org
Subject: [9front] vt: increase buffer size
Date: Tue, 10 May 2022 23:02:57 -0500	[thread overview]
Message-ID: <68876AD9-93B1-4059-911C-EC8D1502F343@gmail.com> (raw)

This patch increases the buffer sizes in vt(1) to reduce
the latency from the roundtrip between terminal and cpu

diff 9126ee3eea90d639f4e877c01400248581d10f65 uncommitted
--- a//sys/src/cmd/vt/cons.h
+++ b//sys/src/cmd/vt/cons.h
@@ -8,7 +8,7 @@
 extern Consstate cs[];
 #define	INSET	2
-#define	BUFS	32
+#define	BUFS	256
 #define	HISTSIZ	(64*1024)	/* number of history characters */
 #define BSIZE	(8*1024)
--- a//sys/src/cmd/vt/main.c
+++ b//sys/src/cmd/vt/main.c
@@ -311,7 +311,7 @@
 		sysfatal("initkeyboard failed: %r");
 	hc[0] = chancreate(sizeof(char*), 256);	/* input to host */
-	hc[1] = chancreate(sizeof(Rune*), 8);	/* output from host */
+	hc[1] = chancreate(sizeof(Rune*), 256);	/* output from host */
 	cs->raw = rflag;

             reply	other threads:[~2022-05-11  4:04 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-11  4:02 Xiao-Yong Jin [this message]
2022-05-13 14:39 ` ori

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