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The shared bus between the program memory and data memory leads to the von Neumann bottleneck, the limited throughput (data transfer rate) between the CPU and memory compared to the amount of memory.
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dlpi_set_physaddr(3dlpi) [opensolaris man page]

dlpi_set_physaddr(3DLPI)			  Data Link Provider Interface Library Functions			  dlpi_set_physaddr(3DLPI)

NAME
dlpi_set_physaddr - set physical address using DLPI SYNOPSIS
cc [ flag... ] file... -ldlpi [ library... ] #include <libdlpi.h> int dlpi_set_physaddr(dlpi_handle_t dh, uint_t type, const void *addrp, size_t *addrlen); DESCRIPTION
The dlpi_set_physaddr() function sets the physical address via DLPI handle dh associated with the DLPI link instance. Upon success, the physical address is set to addrp with a length of addrlen bytes. In this release, type must be set to DL_CURR_PHYS_ADDR, which sets the current physical address. RETURN VALUES
Upon success, DLPI_SUCCESS is returned. If DL_SYSERR is returned, errno contains the specific UNIX system error value. Otherwise, a DLPI error value defined in <sys/dlpi.h> or an error value listed in the following section is returned. ERRORS
DLPI_EBADMSG Bad DLPI message DLPI_EINHANDLE Invalid DLPI handle DLPI_EINVAL Invalid argument DLPI_ETIMEDOUT DLPI operation timed out ATTRIBUTES
See attributes(5) for description of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Committed | +-----------------------------+-----------------------------+ |MT-Level |Safe | +-----------------------------+-----------------------------+ SEE ALSO
dlpi_get_physaddr(3DLPI), libdlpi(3LIB), attributes(5) SunOS 5.11 22 Aug 2007 dlpi_set_physaddr(3DLPI)

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dlpi_enabmulti(3DLPI)				  Data Link Provider Interface Library Functions			     dlpi_enabmulti(3DLPI)

NAME
dlpi_enabmulti, dlpi_disabmulti - enable or disable DLPI multicast messages for an address SYNOPSIS
cc [ flag... ] file... -ldlpi [ library... ] #include <libdlpi.h> int dlpi_enabmulti(dlpi_handle_t dh, const void *addrp, size_t addrlen); int dlpi_disabmulti(dlpi_handle_t dh, const void *addrp, size_t addrlen); DESCRIPTION
The dlpi_enabmulti() function enables reception of messages destined to the multicast address pointed to by addrp on the DLPI link instance associated with DLPI handle dh. The DLPI link instance will pass up only those messages destined for enabled multicast addresses. This operation can be performed in any DLPI state of a handle. The dlpi_disabmulti() function disables a specified multicast address pointed to by addrp on the DLPI link instance associated with DLPI handle dh. This operation can be performed in any DLPI state of a handle. RETURN VALUES
Upon success, DLPI_SUCCESS is returned. If DL_SYSERR is returned, errno contains the specific UNIX system error value. Otherwise, a DLPI error value defined in <sys/dlpi.h> or DLPI_EINHANDLE is returned. ERRORS
DLPI_EBADMSG Bad DLPI message DLPI_EINHANDLE Invalid DLPI handle DLPI_EINVAL Invalid argument DLPI_ETIMEDOUT DLPI operation timed out ATTRIBUTES
See attributes(5) for description of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Committed | +-----------------------------+-----------------------------+ |MT-Level |Safe | +-----------------------------+-----------------------------+ SEE ALSO
libdlpi(3LIB), attributes(5) SunOS 5.11 22 Aug 2007 dlpi_enabmulti(3DLPI)

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