Benchmark: timing 10 iterations of berkeley write, file write...
berkeley write: 132 wallclock secs (32.46 usr + 20.78 sys = 53.24 CPU) @ 0.19/s
(n=10)
file write: 61 wallclock secs (24.18 usr + 12.72 sys = 36.90 CPU) @ 0.27/s (n=1
0)
s/iter berkeley write file write
berkeley write 5.32 -- -31%
file write 3.69 44% --
Benchmark: timing 10 iterations of berkeley read, file read...
berkeley read: 179 wallclock secs (11.48 usr + 7.47 sys = 18.95 CPU) @ 0.53/s
(n=10)
file read: 225 wallclock secs ( 7.72 usr + 6.81 sys = 14.53 CPU) @ 0.69/s (n=
10)
s/iter berkeley read file read
berkeley read 1.89 -- -23%
file read 1.45 30% --
####
Benchmark: timing 10 iterations of berkeley write, file write...
berkeley write: 96 wallclock secs (25.64 usr + 21.62 sys = 47.26 CPU) @ 0.21/s
(n=10)
file write: 58 wallclock secs (23.88 usr + 13.41 sys = 37.29 CPU) @ 0.27/s (n=1
0)
s/iter berkeley write file write
berkeley write 4.73 -- -21%
file write 3.73 27% --
Benchmark: timing 10 iterations of berkeley read, file read...
berkeley read: 163 wallclock secs (10.58 usr + 7.83 sys = 18.41 CPU) @ 0.54/s
(n=10)
file read: 135 wallclock secs ( 8.21 usr + 6.12 sys = 14.33 CPU) @ 0.70/s (n=
10)
s/iter berkeley read file read
berkeley read 1.84 -- -22%
file read 1.43 28% --
####
--- perrin-bench.pl Tue Mar 18 11:41:42 2003
+++ perrin-bench2.pl Tue Mar 18 12:00:06 2003
@@ -28,9 +28,9 @@
sub read_file {
my $key = shift;
my $file = "$file_dir/$key";
+ my $value;
open(FH, '<', $file) or die $!;
- local $/;
- my $value = ;
+ read FH, $value, (stat FH)[7];
close FH;
return $value;
}
@@ -52,20 +52,22 @@
'berkeley write' => sub {
for (0..1000) {
- $db_obj->STORE($_, $_ x 8000);
+ $db_obj->db_put($_, $_ x 8000);
}
},
});
cmpthese(10, {
'file read' => sub {
+ my $test;
for (0..1000) {
- read_file($_);
+ $test = read_file($_);
}
},
'berkeley read' => sub {
+ my $test;
for (0..1000) {
- $db_obj->FETCH($_);
+ $db_obj->db_get($_,$test);
}
},
});