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pylon 4 Camera Software Suite for Linux for Use with Basler

Gigabit Ethernet(GigE) and Basler USB 3.0 Cameras (U3V)

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System Requirements

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GigE

----

A GigE network adapter that supports jumbo frames is recommended. For best

performance, we recommend using an adapter from the Intel PRO 1000 series.

Although the pylon software will work with any GigE network adapter, we

observed a significantly higher CPU load when grabbing image data with

network adapters other than from the recommended Intel PRO 1000 series.

USB

---

For U3V devices a USB3-capable USB controller is necessary. For best

performance and stability we highly recommend a kernel version >= 3.13.x

Installation

=============

The installation of pylon for Linux is described in the INSTALL text document.

Performance Optimization

========================

To increase performance and to minimize CPU usage when grabbing images, the

following settings should be considered:

GigE Devices

------------

* Enable Jumbo Frames.

Many GigE network adapters support so-called jumbo frames, i.e., network

packets larger than the usual 1500 bytes. To enable jumbo frames, the maximum

transfer unit (MTU) size of the PC's network adapter must be set to a high

value (see the description in the INSTALL document). We recommend using a

value of 8192.

* Increase the packet size.

When jumbo frames are enabled, the camera's packet size must be increased to

benefit from the larger packets. The 'Optimizing Packet Size' section of the

INSTALL document describes how to set the packet size.

* Real-time Priority

The GigE Vision implementation of Basler pylon software uses a thread for

receiving image data. Basler pylon tries to set the thread priority for the

receive thread to real-time thread priority. This requires certain

permissions. The 'Permissions for Real-time Thread Priorities' section of the

INSTALL document describes how to grant the required permissions.

U3V Devices

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* Increasing Packet Size

For faster USB transfers you should increase the packet size. You can do this

by changing the "Stream Parameters" -> "Maximum Transfer Size" value from

inside the pylon Viewer or by setting the corresponding value via the API.

After increasing the package size you will likely run out of kernel space

and see corresponding error messages on the console. The default value set

by the kernel is 16 MB. To set the value (in this example to 1000 MB) you can

execute as root:

echo 1000 > /sys/module/usbcore/parameters/usbfs_memory_mb

This would assign a maximum of 1000 MB to the USB stack.

* Zerocopy

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pylon 4 Camera Software Suite for Linux for Use with Basler Gigabit Ethernet(GigE) and Basler USB 3.0 Cameras (U3V) ==================================

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The current linux kernel (3.14) requires one copy operation to transfer USB data from the device to user-memory. On slower devices this leads to

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If "no", the most likely reason is an enabled firewall. As described in the INSTALL document, disable the firewall for those network a

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Solution 5: The amount of data produced by the camera(s) exceeds the amount of bandwidth the network adapter(s) or the PC can provide. Reduce th

Pagina 5

These binaries are build with the Linux standard base (lsb) SDK version 4.1 This is roughly the equivalent to: libc-2.4.so libstdc++.s

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