27 May
2015
27 May
'15
03:06
On 2015-05-27 00:46, David T-G wrote:
% Why are you preparing a dev-zero file in advance?
Because the time saving is enormous :-)
Can't be. cer@Telcontar:~> time dd if=/dev/zero of=/dev/null bs=10M count=3200 3200+0 records in 3200+0 records out 33554432000 bytes (34 GB) copied, 10,6955 s, 3,1 GB/s real 0m10.698s user 0m0.007s sys 0m10.689s cer@Telcontar:~/Downloads/Firefox_downloads> It is processed at 3.1 GB/s, way faster than the disk hardware. Reading from a compressed archive should be slower, it has to be decoded. -- Cheers / Saludos, Carlos E. R. (from 13.1 x86_64 "Bottle" at Telcontar)