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How to speed up feature extraction? #24

Open Chrisdy opened 9 years ago

Chrisdy commented 9 years ago

I have run the feature extraction example on ubuntu as follows:

./bin/linux_64/overfeat -f samples/pliers.jpg > pliers.txt

my sys info are as follows:

                           system         System Product Name (SKU)
/0                         bus            P8B75-V
/0/0                       memory         64KiB BIOS
/0/4                       processor      Intel(R) Core(TM) i5-3470 CPU @ 3.20GHz
/0/4/5                     memory         256KiB L1 cache
/0/4/6                     memory         1MiB L2 cache
/0/4/7                     memory         6MiB L3 cache
/0/1                       memory
/0/1/0                     memory         DIMM [empty]
/0/5e                      memory         System Memory
/0/5e/0                    memory         DIMM [empty]
/0/5e/1                    memory         DIMM [empty]
/0/5e/2                    memory         8GiB DIMM DDR3 Synchronous 1600 MHz (0.6 ns)
/0/2                       memory
/0/3                       memory
/0/100                     bridge         Xeon E3-1200 v2/3rd Gen Core processor DRAM Controller
/0/100/1                   bridge         Xeon E3-1200 v2/3rd Gen Core processor PCI Express Root Port
/0/100/2                   display        Xeon E3-1200 v2/3rd Gen Core processor Graphics Controller
/0/100/14                  bus            7 Series/C210 Series Chipset Family USB xHCI Host Controller
/0/100/16                  communication  7 Series/C210 Series Chipset Family MEI Controller #1
/0/100/1a                  bus            7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2
/0/100/1b                  multimedia     7 Series/C210 Series Chipset Family High Definition Audio Controller
/0/100/1c                  bridge         7 Series/C210 Series Chipset Family PCI Express Root Port 1
/0/100/1c.4                bridge         7 Series/C210 Series Chipset Family PCI Express Root Port 5
/0/100/1c.4/0   p4p1       network        RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
/0/100/1d                  bus            7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1
/0/100/1e                  bridge         82801 PCI Bridge
/0/100/1f                  bridge         B75 Express Chipset LPC Controller
/0/100/1f.2                storage        7 Series/C210 Series Chipset Family 4-port SATA Controller [IDE mode]
/0/100/1f.3                bus            7 Series/C210 Series Chipset Family SMBus Controller
/0/100/1f.5                storage        7 Series/C210 Series Chipset Family 2-port SATA Controller [IDE mode]
/0/5            scsi0      storage
/0/5/0.0.0      /dev/sda   disk           2TB ST2000DM001-1CH1
/0/5/0.0.0/1    /dev/sda1  volume         243MiB Linux filesystem partition
/0/5/0.0.0/2    /dev/sda2  volume         1862GiB Extended partition
/0/5/0.0.0/2/5  /dev/sda5  volume         1862GiB Linux LVM Physical Volume partition
/1                         power          To Be Filled By O.E.M.

it costs 2m27.607s，is there anything I can do to speed up it?