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From: Eric Wong <e@80x24.org>
To: meta@public-inbox.org
Subject: [PATCH 12/38] view: eml_entry: reduce manipulation of ctx->{obuf}
Date: Sat, 10 Sep 2022 08:17:03 +0000	[thread overview]
Message-ID: <20220910081729.2011934-13-e@80x24.org> (raw)
In-Reply-To: <20220910081729.2011934-1-e@80x24.org>

This is another step towards avoid unnecessary copies
and pad space waste.
---
 lib/PublicInbox/View.pm | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/lib/PublicInbox/View.pm b/lib/PublicInbox/View.pm
index 3980ed91..37b484ae 100644
--- a/lib/PublicInbox/View.pm
+++ b/lib/PublicInbox/View.pm
@@ -246,11 +246,11 @@ sub eml_entry {
 	$ctx->{mhref} = $mhref;
 	$ctx->{changed_href} = "#e$id"; # for diffstat "files? changed,"
 	$ctx->{obuf} = \$rv;
-	$eml->each_part(\&add_text_body, $ctx, 1);
-	delete $ctx->{obuf};
+	$eml->each_part(\&add_text_body, $ctx, 1); # expensive
+	$ctx->zmore; # TODO: remove once add_text_body is updated
 
 	# add the footer
-	$rv .= "\n<a\nhref=#$id_m\nid=e$id>^</a> ".
+	$rv = "\n<a\nhref=#$id_m\nid=e$id>^</a> ".
 		"<a\nhref=\"$mhref\">permalink</a>" .
 		" <a\nhref=\"${mhref}raw\">raw</a>" .
 		" <a\nhref=\"${mhref}#R\">reply</a>";
@@ -388,7 +388,8 @@ sub pre_thread  { # walk_thread callback
 sub thread_eml_entry {
 	my ($ctx, $eml) = @_;
 	my ($beg, $end) = thread_adj_level($ctx, $ctx->{level});
-	$beg . '<pre>' . eml_entry($ctx, $eml) . '</pre>' . $end;
+	$ctx->zmore($beg.'<pre>');
+	eml_entry($ctx, $eml) . '</pre>' . $end;
 }
 
 sub next_in_queue ($$) {

  parent reply	other threads:[~2022-09-10  8:18 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-10  8:16 [PATCH 00/38] www: reduce memory usage Eric Wong
2022-09-10  8:16 ` [PATCH 01/38] xt: fold perf-obfuscate into perf-msgview, future-proof Eric Wong
2022-09-10  8:16 ` [PATCH 02/38] www: gzip_filter: implicitly flush {obuf} on zmore/zflush Eric Wong
2022-09-10  8:16 ` [PATCH 03/38] view: rework single message page to compress earlier Eric Wong
2022-09-10  8:16 ` [PATCH 04/38] www_atom_stream: require 200 response Eric Wong
2022-09-10  8:16 ` [PATCH 05/38] www_stream: aresponse assumes 200, too Eric Wong
2022-09-10  8:16 ` [PATCH 06/38] www_text: reduce parameter passing for response header Eric Wong
2022-09-10  8:16 ` [PATCH 07/38] viewvcs: use shorter and simpler ctx->html_done Eric Wong
2022-09-10  8:16 ` [PATCH 08/38] www_listing: consolidate some ->zmore dispatches Eric Wong
2022-09-10  8:17 ` [PATCH 09/38] www_listing: avoid unnecessary work for common cases Eric Wong
2022-09-10  8:17 ` [PATCH 10/38] www: viewdiff: use return value for diff_hunk Eric Wong
2022-09-10  8:17 ` [PATCH 11/38] view: simplify _parent_headers Eric Wong
2022-09-10  8:17 ` Eric Wong [this message]
2022-09-10  8:17 ` [PATCH 13/38] gzip_filter: ->translate can reuse zmore/zflush Eric Wong
2022-09-10  8:17 ` [PATCH 14/38] view: remove multipart_text_as_html Eric Wong
2022-09-10  8:17 ` [PATCH 15/38] view: reduce subroutine calls for submsg_hdr Eric Wong
2022-09-10  8:17 ` [PATCH 16/38] view: attach_link: reduce obuf manipulation Eric Wong
2022-09-10  8:17 ` [PATCH 17/38] viewdiff: reuse existing string in diff_before_or_after Eric Wong
2022-09-10  8:17 ` [PATCH 18/38] view: _th_index_lite: avoid one s///, improve symmetry Eric Wong
2022-09-10  8:17 ` [PATCH 19/38] view: _th_index_lite: use `//' defined-or op Eric Wong
2022-09-10  8:17 ` [PATCH 20/38] view: reduce ascii_html calls and {obuf} use Eric Wong
2022-09-10  8:17 ` [PATCH 21/38] view: html_footer: golf out a few lines Eric Wong
2022-09-10  8:17 ` [PATCH 22/38] view: html_footer: remove obuf dependency Eric Wong
2022-09-10  8:17 ` [PATCH 23/38] view: html_footer: avoid escaping " in a few places Eric Wong
2022-09-10  8:17 ` [PATCH 24/38] viewdiff: diff_hunk: shorten conditionals, slightly Eric Wong
2022-09-10  8:17 ` [PATCH 25/38] view: switch a few things to ctx->zmore Eric Wong
2022-09-10  8:17 ` [PATCH 26/38] www: drop {obuf} use entirely, for now Eric Wong
2022-09-10  8:17 ` [PATCH 27/38] www: switch to zadd for the majority of buffering Eric Wong
2022-09-10  8:17 ` [PATCH 28/38] www: use PerlIO::scalar (zfh) for buffering Eric Wong
2022-09-10  8:17 ` [PATCH 29/38] viewdiff: diff_before_or_after: avoid extra capture Eric Wong
2022-09-10  8:17 ` [PATCH 30/38] viewdiff: diff_header: shorten function, slightly Eric Wong
2022-09-10  8:17 ` [PATCH 31/38] www_static: switch to `print $zfh', and optimize Eric Wong
2022-09-10  8:17 ` [PATCH 32/38] httpd/async: describe which ->write subs it can call Eric Wong
2022-09-10  8:17 ` [PATCH 33/38] translate: support multiple buffer args Eric Wong
2022-09-10  8:17 ` [PATCH 34/38] gzip_filter: write: use multi-arg translate Eric Wong
2022-09-10  8:17 ` [PATCH 35/38] feed: new_html_i: switch from zmore to `print $zfh' Eric Wong
2022-09-10  8:17 ` [PATCH 36/38] mbox*: use multi-arg ->translate and ->write Eric Wong
2022-09-10  8:17 ` [PATCH 37/38] www_listing: switch to `print $zfh' Eric Wong
2022-09-10  8:17 ` [PATCH 38/38] viewvcs: " Eric Wong

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