By default, the Interconnect Optimization Strategy is set to Custom. This lets you add register-slicing Data FIFOs on every master/slave interface; however, if the full crossbar is enabled (masters have direct connection to all slaves), AXI Master issuance is set to 2, and AXI Slave acceptance is set to 4.
Important: If your XPS design included Sparse Crossbar
support (certain masters access a subset of slaves), be aware that this feature is not
available in the IP Integrator. In the IP Integrator, each master connects to all the
slaves.
Use the Minimize Area strategy if a portion of the design connects only
AXI4-Lite slave peripherals. This puts the AXI Interconnect in a Shared Access mode
(masters share connection to slaves), which reduces system resources for the AXI
Interconnect and sets the AXI Master issuance to 1 and AXI Slave acceptance to 1. Use
this option with the microblaze_0_axi_periph
instance.
Use the Maximize Performance strategy with high-performance portions of the
design. This adds 512-deep FIFOs for every master, sets AXI Master issuance to 4, and
AXI Slave acceptance to 4. Leave the
axi_mem_intercon
set to Custom unless all AXI Masters need Packet AXI Data FIFOs.Important: The AXI Interconnect in the
IP integrator does not support sparse connectivity.