Reconfiguration of an accelerator module having a programmable logic device

A method for reconfiguration of a programmable logic device, comprising:

• coupling the programmable logic device to a first microprocessor socket for communication with a microprocessor coupled to a second microprocessor socket;
• preconditioning the programmable logic device to reconfigure responsive to assertion of a sleep mode command;
• and
• reconfiguring the programmable logic device at runtime while coupled to the first microprocessor socket while the microprocessor is in a sleep mode responsive to assertion of the sleep mode command.

A method for reconfiguring an accelerator module having a programmable logic device, comprising:

• coupling the accelerator module to a central processing unit interface of a computer;
• configuring programmable logic of the programmable logic device with a first configuration bitstream;
• preconditioning the accelerator module to reconfigure the programmable logic responsive to assertion of a sleep mode command;
• transitioning the computer from an operating state to a sleep mode responsive to assertion of the sleep mode command;
• and
• reconfiguring the programmable logic of the programmable logic device during runtime of the computer with either the first configuration bitstream or a second configuration bitstream without having to reboot the computer between the configuring and the reconfiguring;
• wherein the reconfiguring is performed while the computer is the sleep mode;
• and
• exiting the sleep mode after completion of the reconfiguring.

A method for reconfiguration of an accelerator module coupled to a bus, comprising:

• preconditioning the accelerator module to reconfigure programmable logic of the accelerator module responsive to assertion of a sleep mode command;
• putting the bus into a sleep mode in response to assertion of the sleep mode command;
• and
• reconfiguring programmable logic of the accelerator module while the bus is in the sleep mode.

A method for reconfiguration, comprising:

• providing an accelerator module coupled to a bus;
• and
• providing a script for conditioning the accelerator module for reconfiguration during a sleep mode;
• preconditioning the accelerator module to reconfigure programmable logic of the accelerator module responsive to assertion of a sleep mode command;
• wherein the bus is put into the sleep mode responsive to assertion of the sleep mode command;
• and
• wherein the programmable logic of the accelerator module is reconfigured while the bus is in the sleep mode.