Using process location to bind io resources on numa architectures

A system, comprising:

• a plurality of Non-Uniform Memory Access (NUMA) nodes comprising:
• a first NUMA node comprising a first processor and a first memory;
• an input/output (I/O) device group comprising an I/O device;
• an I/O Subsystem executing on at least one of the plurality of NUMA nodes, configured to:
• receive a request to use the I/O device from a process executing on the first NUMA node;
• generate a proc object comprising a reference to the process requesting to use the I/O device;
• determine a first resource necessary to service the request;
• and
• generate a first I/O object corresponding to the first resource wherein the first I/O object is unbound;
• and
• a NUMA I/O Framework executing on at least one of the plurality of NUMA nodes, configured to:
• receive the first I/O object from the I/O Subsystem;
• receive the proc object from the I/O Subsystem;
• determine, using the proc object, that the process is executing on the first NUMA node;
• select the first NUMA node based on the determination that the process is executing on the first NUMA node;
• and
• bind the first I/O object to the first NUMA node,
• wherein the request is serviced by processing, on the first NUMA node, the first resource corresponding to the first I/O object.

A method for binding input/output (I/O) objects to nodes, the method comprising:

• receiving, by a network stack, a request to create a connection to an I/O device from a process;
• determining, by the network stack, a thread to service the request;
• generating, by the network stack, a first I/O object corresponding to the thread, wherein the first I/O object is unbound;
• generating, by the network stack, a proc object, wherein the proc object comprises a reference to the process sending the request to create the connection;
• sending, by the network stack, the first I/O object and the proc object to a Non-Uniform Memory Access (NUMA) I/O Framework;
• determining, by the NUMA I/O Framework using the proc object, that the process is executing on a first NUMA node of a plurality of NUMA nodes;
• selecting, by the NUMA I/O Framework, the first NUMA node based on the determination that the process is executing on the first NUMA node;
• binding, by the NUMA I/O Framework based on the selecting, the first I/O object to the first NUMA node;
• and
• servicing the connection by executing, on the first NUMA node, the thread corresponding to the first I/O object.