From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=0.2 required=5.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FROM,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.4 Received: (qmail 24862 invoked from network); 11 May 2022 04:04:43 -0000 Received: from 9front.inri.net (168.235.81.73) by inbox.vuxu.org with ESMTPUTF8; 11 May 2022 04:04:43 -0000 Received: from mail-qk1-f179.google.com ([209.85.222.179]) by 9front; Wed May 11 00:03:04 -0400 2022 Received: by mail-qk1-f179.google.com with SMTP id n8so1436221qke.11 for <9front@9front.org>; Tue, 10 May 2022 21:02:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:content-transfer-encoding:mime-version:subject:message-id:date :to; bh=YDxZHGOqgqPfmAiQFWkQ3ww63qkBZOBKrMJU8CKB4Jo=; b=iBv7t13JEdHIm5t7tj4SYsyqkIzH9CmtEqU43tClA18vx3sGaIFZq1b9Ff3iPe/u6M YBsCYmjKGtsQikI9kFu859mKbjJAst7LXKRZgG1cHtjcXqBAN9/cATV0yCRjsHf4IOHu We//mvLmvElXpG1neX4w3csW4b3aUW7dmDg9DkouisVrzbFHGDNrXEdw6nLeZhtgvYGk dG8yGrZ8g46fefpqL11ZJ03+oN9DGxGMZzyBu30mPwCv/pjYHLxIuFkiXrrBOL5d4BCM tZ01hkfrc+QK0vgHNsTzIzOu1g34nZfobv9a+HpwKbNUIYMIhbMYLP7i82g1QlysQn/Y 2WyA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:content-transfer-encoding:mime-version :subject:message-id:date:to; bh=YDxZHGOqgqPfmAiQFWkQ3ww63qkBZOBKrMJU8CKB4Jo=; b=exUKO6zCkoNGYUq5qjY5OZdXBklgsqScKj32TcEHYiRGbJKQPClN/hIsY7/L5lL/4p dA5oPC7QuhwjWEJbtbu/72Zg/Fw/aa6I5IQKpdeNOVYf+Y7PNP2D/dIJAS683DpvcxZH Ba7d9e7okMuPU0YgI4SCjZnbolmFwrlNeEZ/2634rwnov/6ScS4ydmoFBqzzT9lXTZtw 8TnoEMNF//Bu+Nocm6HHxnfq6PqBP3yBmFgtQ5FfxymBUSmiHmdI478WYCz0/mm4y7Y7 N8eXSe67nbYxMAxrWC5C0ubgZwm2/goNyy7qJVyrd39GceabBK0N5wE6ueh+npRGl6YD b+fw== X-Gm-Message-State: AOAM53135VLAxpJIGAbuGA7IlwEXvSkhXoMBk3v4zi+Wpq5Q4A+biGUe MQNHJBVgNktUKYECDi80foHTbqCSmXs= X-Google-Smtp-Source: ABdhPJwIX3Pqp8H68LHeZBrFIQPgBbo5CTnsOKDbEwoBAEorn7LPu/lPIQIPwpyD7SH27isIyUq2AQ== X-Received: by 2002:a05:620a:4101:b0:6a0:533d:4545 with SMTP id j1-20020a05620a410100b006a0533d4545mr13689058qko.475.1652241779191; Tue, 10 May 2022 21:02:59 -0700 (PDT) Return-Path: Received: from smtpclient.apple (c-67-184-39-205.hsd1.il.comcast.net. [67.184.39.205]) by smtp.gmail.com with ESMTPSA id z21-20020ac87115000000b002f39b99f6adsm483142qto.71.2022.05.10.21.02.58 for <9front@9front.org> (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 10 May 2022 21:02:58 -0700 (PDT) From: Xiao-Yong Jin Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3696.80.82.1.1\)) Message-Id: <68876AD9-93B1-4059-911C-EC8D1502F343@gmail.com> Date: Tue, 10 May 2022 23:02:57 -0500 To: 9front@9front.org X-Mailer: Apple Mail (2.3696.80.82.1.1) List-ID: <9front.9front.org> List-Help: X-Glyph: ➈ X-Bullshit: distributed rich-client cache out-scaling firewall markup-scale backend Subject: [9front] vt: increase buffer size Reply-To: 9front@9front.org Precedence: bulk This patch increases the buffer sizes in vt(1) to reduce the latency from the roundtrip between terminal and cpu server. 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;