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* [PATCH 2/2] lei_query: avoid POSIX::lround for older Perls
    2021-04-20 19:02  5% ` [PATCH 0/2] CentOS 7 fixes Eric Wong
@ 2021-04-20 19:02  7% ` Eric Wong
  1 sibling, 0 replies; 2+ results
From: Eric Wong @ 2021-04-20 19:02 UTC (permalink / raw)
  To: meta

POSIX.pm shipped with Perl 5.16.3 did not support lround,
at least.  So just rely on built-in core functions.
---
 lib/PublicInbox/LeiQuery.pm | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/lib/PublicInbox/LeiQuery.pm b/lib/PublicInbox/LeiQuery.pm
index 385ba0a9..f51dc93b 100644
--- a/lib/PublicInbox/LeiQuery.pm
+++ b/lib/PublicInbox/LeiQuery.pm
@@ -5,7 +5,6 @@
 package PublicInbox::LeiQuery;
 use strict;
 use v5.10.1;
-use POSIX ();
 
 sub prep_ext { # externals_each callback
 	my ($lxs, $exclude, $loc) = @_;
@@ -22,7 +21,7 @@ sub _start_query { # used by "lei q" and "lei up"
 	}
 	my $lxs = $self->{lxs};
 	$xj ||= $lxs->concurrency($opt); # allow: "--jobs ,$WRITER_ONLY"
-	my $nproc = $lxs->detect_nproc // 1; # don't memoize, schedtool(1) exists
+	my $nproc = $lxs->detect_nproc || 1; # don't memoize, schedtool(1) exists
 	$xj = $nproc if $xj > $nproc;
 	$lxs->{-wq_nr_workers} = $xj;
 	if (defined($mj) && $mj !~ /\A[1-9][0-9]*\z/) {
@@ -36,8 +35,7 @@ sub _start_query { # used by "lei q" and "lei up"
 		$self->_lei_store(1)->write_prepare($self);
 	}
 	$l2m and $l2m->{-wq_nr_workers} = $mj // do {
-		$mj = POSIX::lround($nproc * 3 / 4); # keep some CPU for git
-		$mj <= 0 ? 1 : $mj;
+		$mj = int($nproc * 0.75 + 0.5); # keep some CPU for git
 	};
 
 	# descending docid order is cheapest, MUA controls sorting order

^ permalink raw reply related	[relevance 7%]

* [PATCH 0/2] CentOS 7 fixes
  @ 2021-04-20 19:02  5% ` Eric Wong
  2021-04-20 19:02  7% ` [PATCH 2/2] lei_query: avoid POSIX::lround for older Perls Eric Wong
  1 sibling, 0 replies; 2+ results
From: Eric Wong @ 2021-04-20 19:02 UTC (permalink / raw)
  To: meta

Konstantin Ryabitsev <konstantin@linuxfoundation.org> wrote:
> 	t/admin.t .................... Warning: Use of "ref" without parentheses is ambiguous at /usr/local/share/public-inbox/blib/lib/PublicInbox/TestCommon.pm line 28.
> 	Use of ?PATTERN? without explicit operator is deprecated at /usr/local/share/public-inbox/blib/lib/PublicInbox/TestCommon.pm line 28.
> 	Global symbol "$path" requires explicit package name at /usr/local/share/public-inbox/blib/lib/PublicInbox/TestCommon.pm line 28.
> 	Global symbol "$cb" requires explicit package name at /usr/local/share/public-inbox/blib/lib/PublicInbox/TestCommon.pm line 28.
> 
> Backing up to 64b1ce9f94127fc144d6205bb572fe43b4b552c2 makes tests pass.

Oops, 1/2 should fix it.  Thanks for the report.
I also noticed lei was totally broken once I tried a more recent git.

Eric Wong (2):
  test_common: fix xbail for Perl 5.16
  lei_query: avoid POSIX::lround for older Perls

 lib/PublicInbox/LeiQuery.pm   | 6 ++----
 lib/PublicInbox/TestCommon.pm | 2 +-
 2 files changed, 3 insertions(+), 5 deletions(-)

^ permalink raw reply	[relevance 5%]

Results 1-2 of 2 | reverse | options above
-- pct% links below jump to the message on this page, permalinks otherwise --
2021-04-20 17:49     c1b912dea25 breaks make test on CentOS7 Konstantin Ryabitsev
2021-04-20 19:02  5% ` [PATCH 0/2] CentOS 7 fixes Eric Wong
2021-04-20 19:02  7% ` [PATCH 2/2] lei_query: avoid POSIX::lround for older Perls Eric Wong

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