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mirror of https://git.FreeBSD.org/src.git synced 2024-12-22 11:17:19 +00:00
freebsd/bin/dd
Maxim Sobolev dead7b5e47 Replace hand-crafted naive byte-by-byte zero block detection routine
with macro based around memcmp(). The latter is expected to be some
8 times faster on a modern 64-bit architectures.

In practice, throughput of doing conv=sparse from /dev/zero to /dev/null
went up some 5-fold here from 1.9GB/sec to 9.7GB/sec with this change
(bs=128k).

MFC after:	2 weeks
2018-11-29 19:28:01 +00:00
..
tests Remove unnecessary make logic added in r319339 2017-07-18 17:29:12 +00:00
args.c dd: add status=progress support 2018-08-08 21:37:02 +00:00
conv_tab.c General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
conv.c General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
dd.1 dd: add status=progress support 2018-08-08 21:37:02 +00:00
dd.c Replace hand-crafted naive byte-by-byte zero block detection routine 2018-11-29 19:28:01 +00:00
dd.h Replace hand-crafted naive byte-by-byte zero block detection routine 2018-11-29 19:28:01 +00:00
extern.h dd(1): Kill off duplicate progress definition following r337865 2018-08-15 20:50:38 +00:00
gen.c
Makefile dd: Incorporate some changes from imp for status=progress 2018-08-15 19:46:13 +00:00
Makefile.depend DIRDEPS_BUILD: Update dependencies. 2017-10-31 00:07:04 +00:00
misc.c dd(1): Correct padding in status=progress 2018-09-13 14:54:46 +00:00
position.c dd: Incorporate some changes from imp for status=progress 2018-08-15 19:46:13 +00:00
ref.ascii
ref.ebcdic
ref.ibm
ref.lcase
ref.obs_zeroes
ref.oldascii
ref.oldebcdic
ref.oldibm
ref.pareven
ref.parnone
ref.parodd
ref.parset
ref.swab
ref.ucase