Re: q: faster way to integrate/merge lots of topic branches?

From: Junio C Hamano <gitster@pobox.com>
Date: Jul 23, 2008, 20:01 UTC
Message-ID: <7v8wvscqtm.fsf@gitster.siamese.dyndns.org>
In-Reply-To: <20080723140441.GA9537@elte.hu>

Ingo Molnar <mingo@elte.hu> writes:

Show 12 quoted lines

> hm, it's very slow:
>
>   $ time git branch --no-merged
>   [...]
>
>   real    0m9.177s
>   user    0m9.027s
>   sys     0m0.129s
>
> when running it on tip/master:
>
>   http://people.redhat.com/mingo/tip.git/README

Hmmm, does not reproduce for me with a copy of that repository.

$ time git branch -a --no-merged mingo/master
  linus/master
  mingo/acpi-for-len
  mingo/auto-cpus4096-next
  mingo/auto-kmemcheck-next
  mingo/auto-test
  mingo/auto-test-fixes
  mingo/core/futex-64bit
  mingo/core/kill-the-BKL
  mingo/core/percpu-zerobased
  mingo/cpus4096-for-linus
  mingo/kmemcheck-for-linus
  mingo/stackprotector-for-linus
  mingo/timers/for-linus
  mingo/tip
  mingo/tracing/ftrace
  mingo/tracing/immediates
  mingo/tracing/markers
  mingo/tracing/stopmachine-allcpus
  mingo/tracing/textedit
  mingo/x86/acpi-rename-acpi_nmi
  mingo/x86/audit-speedup
  mingo/x86/crashdump
  mingo/x86/header-guards
  mingo/x86/prototypes
  mingo/x86/sparse-fixes
  mingo/x86/unify-mce
  mingo/x86/x2apic

real 0m1.442s user 0m1.360s sys 0m0.084s

With the patch I posted earlier, the time becomes:

real 0m0.600s user 0m0.560s sys 0m0.040s