X-Git-Url: http://git.vpit.fr/?p=perl%2Fmodules%2FScalar-Vec-Util.git;a=blobdiff_plain;f=README;h=aecc0ad616070cc6475d289e7fa15f966b8cfb79;hp=ca8ba6bc9f083dde901208b6a0abdf73fe68dfe6;hb=831b8bd03ca3ae94e3ba9e1e1b7d9be913dc9d13;hpb=cf377929a69f04623e2104bb4b2a7ed7ce467072 diff --git a/README b/README index ca8ba6b..aecc0ad 100644 --- a/README +++ b/README @@ -2,7 +2,7 @@ NAME Scalar::Vec::Util - Utility routines for vec strings. VERSION - Version 0.03 + Version 0.04 SYNOPSIS use Scalar::Vec::Util qw/vfill vcopy veq/; @@ -58,35 +58,77 @@ EXPORT BENCHMARKS The following timings were obtained by running the "samples/bench.pl" - script with perl 5.8.8 on a Core 2 Duo 2.66GHz machine. The "_pp" - entries are the pure Perl versions, while "_bv" are Bit::Vector - versions. + script. The "_pp" entries are the pure Perl versions, while "_bv" are + Bit::Vector versions. - Filling bits at a given position : + This is for perl 5.8.8 on a Core 2 Duo 2.66GHz machine (unit is 64 + bits). + Filling bits at a given position : Rate vfill_pp vfill_bv vfill vfill_pp 80.3/s -- -100% -100% vfill_bv 1053399/s 1312401% -- -11% vfill 1180792/s 1471129% 12% -- - Copying bits from a bit vector to a different one : + Copying bits from a bit vector to a different one : Rate vcopy_pp vcopy_bv vcopy vcopy_pp 112/s -- -100% -100% vcopy_bv 62599/s 55622% -- -89% vcopy 558491/s 497036% 792% -- - Moving bits in the same bit vector from a given position to a different - one : + Moving bits in the same bit vector from a given position to a different one : Rate vmove_pp vmove_bv vmove vmove_pp 64.8/s -- -100% -100% vmove_bv 64742/s 99751% -- -88% vmove 547980/s 845043% 746% -- - Testing bit equality from different positions of different bit vectors : + Testing bit equality from different positions of different bit vectors : Rate veq_pp veq_bv veq veq_pp 92.7/s -- -100% -100% veq_bv 32777/s 35241% -- -94% veq 505828/s 545300% 1443% -- + This is for perl 5.10.0 on a Pentium 4 3.0GHz (unit is 32 bits). + Rate vfill_pp vfill_bv vfill + vfill_pp 185/s -- -100% -100% + vfill_bv 407979/s 220068% -- -16% + vfill 486022/s 262184% 19% -- + + Rate vcopy_pp vcopy_bv vcopy + vcopy_pp 61.5/s -- -100% -100% + vcopy_bv 32548/s 52853% -- -83% + vcopy 187360/s 304724% 476% -- + + Rate vmove_pp vmove_bv vmove + vmove_pp 63.1/s -- -100% -100% + vmove_bv 32829/s 51933% -- -83% + vmove 188572/s 298787% 474% -- + + Rate veq_pp veq_bv veq + veq_pp 34.2/s -- -100% -100% + veq_bv 17518/s 51190% -- -91% + veq 192181/s 562591% 997% -- + + This is for perl 5.10.0 on an UltraSPARC-IIi (unit is 8 bits). + Rate vfill_pp vfill vfill_bv + vfill_pp 4.23/s -- -100% -100% + vfill 30039/s 709283% -- -17% + vfill_bv 36022/s 850568% 20% -- + + Rate vcopy_pp vcopy_bv vcopy + vcopy_pp 2.74/s -- -100% -100% + vcopy_bv 8146/s 297694% -- -60% + vcopy 20266/s 740740% 149% -- + + Rate vmove_pp vmove_bv vmove + vmove_pp 2.66/s -- -100% -100% + vmove_bv 8274/s 311196% -- -59% + vmove 20287/s 763190% 145% -- + + Rate veq_pp veq_bv veq + veq_pp 7.33/s -- -100% -100% + veq_bv 2499/s 33978% -- -87% + veq 19675/s 268193% 687% -- + CAVEATS Please report architectures where we can't use the alignment as the move unit. I'll add exceptions for them.