From: Stefan Monnier <monnier@iro.umontreal.ca>
To: emacs-devel@gnu.org
Subject: Re: [Emacs-diffs] feature/byte-switch c4316a2: ; bytecomp.el (byte-compile-cond-jump-table): Add TODO note
Date: Mon, 06 Feb 2017 12:40:05 -0500 [thread overview]
Message-ID: <jwvd1ev1asx.fsf-monnier+gmane.emacs.devel@gnu.org> (raw)
In-Reply-To: jwvo9yf1ba0.fsf-monnier+emacsdiffs@gnu.org
>>> But rather than a :linear-search keyword to make-hash-table, can't we
>>> just test the value of `count` and use a linear search if it's small?
> Nitpick: actually, it should be based on the hash-table's *size* rather
> than its *count*.
For me, the place where small hash tables showed up is in cl-generic,
where many of them have just a single entry.
For byte-switch, optimizing the single-entry case is not important (you
wouldn't want to use byte-switch for it), tho.
Stefan
next prev parent reply other threads:[~2017-02-06 17:40 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20170206140314.23384.66886@vcs.savannah.gnu.org>
[not found] ` <20170206140315.229CD220145@vcs.savannah.gnu.org>
2017-02-06 15:35 ` [Emacs-diffs] feature/byte-switch c4316a2: ; bytecomp.el (byte-compile-cond-jump-table): Add TODO note Stefan Monnier
2017-02-06 16:26 ` Clément Pit-Claudel
2017-02-06 16:57 ` Vibhav Pant
2017-02-06 17:27 ` Stefan Monnier
2017-02-06 17:40 ` Stefan Monnier [this message]
2017-02-06 18:22 ` Vibhav Pant
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