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Port details
cityhash Family of hash functions
1.1.1_1 devel on this many watch lists=1 search for ports that depend on this port Find issues related to this port Report an issue related to this port
Maintainer: vg@FreeBSD.org search for ports maintained by this maintainer
Port Added: 10 Feb 2013 14:30:53
License: MIT
CityHash provides hash functions for strings.  The functions mix the
input bits thoroughly but are not suitable for cryptography.  See
"Hash Quality," below, for details on how CityHash was tested and so on.

Functions by CityHash:

- CityHash32() returns a 32-bit hash.
- CityHash64() and similar return a 64-bit hash.
- CityHash128() and similar return a 128-bit hash and are tuned for
strings of at least a few hundred bytes.  Depending on your compiler
and hardware, it's likely faster than CityHash64() on sufficiently long
strings.  It's slower than necessary on shorter strings, but we expect
that case to be relatively unimportant.
- CityHashCrc128() and similar are variants of CityHash128() that depend
on _mm_crc32_u64(), an intrinsic that compiles to a CRC32 instruction
on some CPUs.  However, none of the functions we provide are CRCs.
- CityHashCrc256() is a variant of CityHashCrc128() that also depends
on _mm_crc32_u64().  It returns a 256-bit hash.

All members of the CityHash family were designed with heavy reliance
on previous work by Austin Appleby, Bob Jenkins, and others.
For example, CityHash32 has many similarities with Murmur3a.

WWW: http://code.google.com/p/cityhash/
SVNWeb : Homepage : Distfiles Availability : PortsMonThere are no ports dependent upon this port

To install the port: cd /usr/ports/devel/cityhash/ && make install clean
To add the package: pkg install devel/cityhash


Configuration Options
     No options to configure

USES:
libtool

Master Sites:
  1. http://cityhash.googlecode.com/files/
  2. http://distcache.FreeBSD.org/ports-distfiles/

Number of commits found: 7

Commit History - (may be incomplete: see SVNWeb link above for full details)
DateByDescription
27 Oct 2014 10:10:59
Original commit files touched by this commit  1.1.1_1
Revision:371544
bapt search for other commits by this committer
Cleanup plist
25 Jun 2014 18:35:40
Original commit files touched by this commit  1.1.1_1
Revision:359265
amdmi3 search for other commits by this committer
- Switch to USES=libtool, drop .la files

Approved by:	portmgr blanket
02 May 2014 18:12:37
Original commit files touched by this commit  1.1.1
Revision:352835
vg search for other commits by this committer
Up to 1.1.1:

* Fix CityHash32() so platforms that disagree about whether 'char' is
signed use the same mathematical function.  For most people this changes
nothing as most popular platforms agree with x86 about whether 'char' is
signed.
* No changes to any of the functions, unless you had been using
CityHash32() despite "make check" reporting a failure on your platform.
* Slightly modernize and improve configuration and portability.

Submitted by:	myself
25 Sep 2013 00:54:09
Original commit files touched by this commit  1.1.0
Revision:328226
bdrewery search for other commits by this committer
- Remove NO_STAGE as these have been tested to be safe

With hat:	portmgr
20 Sep 2013 17:03:27
Refresh Original commit files touched by this commit
Revision:327722  Sanity Test Failure
bapt search for other commits by this committer
Add NO_STAGE all over the place in preparation for the staging support (cat:
devel part 1)
22 Jul 2013 14:34:23
Original commit files touched by this commit  1.1.0
Revision:323455
vg search for other commits by this committer
 - Changed my email
 - Trim Makefile headers and positions name and surname within

Approved by:	eadler, rm (mentors)
10 Feb 2013 14:30:35
Original commit files touched by this commit  1.1.0
Revision:312029
miwi search for other commits by this committer
CityHash provides hash functions for strings.  The functions mix the
input bits thoroughly but are not suitable for cryptography.  See
"Hash Quality," below, for details on how CityHash was tested and so on.

Functions by CityHash:

- CityHash32() returns a 32-bit hash.
- CityHash64() and similar return a 64-bit hash.
- CityHash128() and similar return a 128-bit hash and are tuned for
strings of at least a few hundred bytes.  Depending on your compiler
and hardware, it's likely faster than CityHash64() on sufficiently long
strings.  It's slower than necessary on shorter strings, but we expect
that case to be relatively unimportant.
- CityHashCrc128() and similar are variants of CityHash128() that depend
on _mm_crc32_u64(), an intrinsic that compiles to a CRC32 instruction
(Only the first 15 lines of the commit message are shown above View all of this commit message)

Number of commits found: 7

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