Manufacturer: Western Digital
Type: Caviar Black
Model: WD5001AALS
Firmware: 05.00K05
Capacity: 500 GB
Spindle Speed: 5,400 - 7,200 RPM
Interface: SATA II
Cache: 32 MB
NCQ: Yes

CPU Model

grep name /proc/cpuinfo | uniq
model name  : Intel(R) Core(TM)2 Quad CPU    Q9550  @ 2.83GHz

CPU Threads

cat /sys/devices/system/cpu/cpu*/topology/core_id | wc -l
4

Cores per CPU

cat /sys/devices/system/cpu/cpu*/topology/core_id | sort | uniq | wc -l
4

Kernel

uname -a
Linux gsd-pc-d23 2.6.39-bpo.2-amd64 #1 SMP Thu Aug 4 11:42:06 UTC 2011 x86_64 GNU/Linux

Disk Controller

lspci | grep IDE
00:1f.2 IDE interface: Intel Corporation N10/ICH7 Family SATA Controller [IDE mode] (rev 01)

Disk Status

egrep 'ata[0-9]\.|SATA link up' /var/log/dmesg
[    1.028969] ata4.00: ATA-8: WDC WD5001AALS-00J7B1, 05.00K05, max UDMA/133
[    1.028973] ata4.00: 976773168 sectors, multi 16: LBA48 NCQ (depth 0/32)

Memory Performance

dd if=/dev/zero of=/dev/null bs=32M count=1000
33554432000 bytes (34 GB) copied, 13.993 s, 2.4 GB/s

HDD Performance

blockdev --getra /dev/sdc
256
cat /sys/block/sdc/queue/scheduler
noop deadline [cfq]
cat /sys/block/sdc/device/queue_depth
1
dd if=/dev/sdc of=/dev/null bs=1M count=16000
16777216000 bytes (17 GB) copied, 175.797 s, 95.4 MB/s
dd if=/dev/zero of=/dev/sdc bs=1M count=16000
16777216000 bytes (17 GB) copied, 168.843 s, 99.4 MB/s

blockdev --rereadpt /dev/sdc
parted /dev/sdc mklabel msdos
parted /dev/sdc mkpart p 2048s 64g; sleep 3
blockdev --rereadpt /dev/sdc
mkfs.ext3 /dev/sdc1
mount -o noatime /dev/sdc1 /mnt
bonnie++ -f -d /mnt -u root -n 0 -r 6000
Version  1.96       ------Sequential Output------ --Sequential Input- --Random-
Concurrency   1     -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine        Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP  /sec %CP
gsd-pc-d23      12G           73037  16 40964   7           93080   8 186.0   6
Latency                         755ms    1955ms               337ms    3256ms

cd /tmp; wget http://debian.gsd-software.net/benchmark/seeker_baryluk_x86
chmod +x seeker_baryluk_x86
for threads in 01 02 04 08 16 32; do echo -n "Threads: $threads "; ./seeker_baryluk_x86 /dev/sdc $threads | grep Results; sleep 1; done
Threads: 01 Results: 81 seeks/second, 12.230 ms random access time (188782083 < offsets < 500036848953)
Threads: 02 Results: 81 seeks/second, 12.310 ms random access time (115415060 < offsets < 500062715264)
Threads: 04 Results: 81 seeks/second, 12.250 ms random access time (195371214 < offsets < 500034383676)
Threads: 08 Results: 81 seeks/second, 12.270 ms random access time (425308238 < offsets < 499961926985)
Threads: 16 Results: 81 seeks/second, 12.210 ms random access time (20003768 < offsets < 500070015148)
Threads: 32 Results: 82 seeks/second, 12.136 ms random access time (296078218 < offsets < 499713615428)