HP Visualize J5600 hp workstations - hp-ux 10.20 graphics administration guide - Page 34
Supported Devices, Shared Memory Transport (SMT), HP VISUALIZE-48[XP]
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Supported Devices The X server supports the MIT shared memory extension on the following devices: • Internal Color Graphics • Integrated Color Graphics • CRX-24[Z] • CRX-48Z • HCRX-8[Z] • HCRX-24[Z] • HP VISUALIZE-EG • HP VISUALIZE-8 • HP VISUALIZE-24 • HP VISUALIZE-48[XP] • HP VISUALIZE-FX2 • HP VISUALIZE-FX4 • HP VISUALIZE-FX6 • HP VISUALIZE-FX5 and FX10 • HP VISUALIZE-FXE Shared Memory Transport (SMT) Shared Memory Transport (SMT) is a means to more rapidly transport large amounts of data from the client to the server. It is distinct from the MIT Shared Memory Extension, which is specifically for various types of images, although SMT can be used with that extension. SMT is particulary advantageous for operations that move large amounts of data in a single request, such as a polyline or a polypoint, and for images when the MIT Shared Memory Extension is not used. It will work with the Big Requests Extension, but whether it will exhibit a performance increase depends on the size of the actual extended size request. There are some X requests for which no improvement is expected. SMT is no longer the default transport mechanism between the X server and client applications, and SMT is not an officially supported transport mechanism. However, it can be enabled (see "Enabling and Disabling of SMT") to achieve performance advantages. SMT will be active between Xserver and client connections if the following are true: • SMT is enabled (see "Enabling and Disabling of SMT"). • The client and server are actually on the same host. • A Display Name of any of the forms listed below are used. ":0.0" is used for simplicity. This behavior is equally applicable for displays such as ":1.0". :0.0 local:0.0 :0.0 shmlink:0.0 Page 34 Graphics Administration Guide for HP-UX 10.20
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