Methods and apparatus to support dynamic adjustment of graphics processing unit frequency

A method for dynamically adjusting the frequency of a graphics processing unit for execution of a program, the method comprising:

• performing, without execution of the program, a control flow analysis to estimate the number of compute operations and the number of memory operations to be performed by the program during execution;
• saving the ratio of the estimate of the number of memory operations to the estimate of the number of compute operations as a predetermined memory/compute ratio for future execution of the program
• in response to the program being called for execution in a data processing system with a graphics processing unit (GPU), automatically retrieving the predetermined memory/compute ratio for the program, wherein the program comprises a workload to execute at least in part on the GPU, and wherein the predetermined memory/compute ratio represents a ratio of memory accesses within the program, relative to compute operations within the program;
• and
• automatically adjusting a frequency of the GPU, based on the predetermined memory/compute ratio for the program.

An apparatus to support dynamic adjustment of graphics processing unit frequency for execution of a program, the apparatus comprising:

• a non-transitory machine accessible medium;
• and
• data in the machine accessible medium which, when accessed by a data processing system with a graphics processing unit (GPU), enables the data processing system to perform operations comprising:
• performing, without execution of the program, a control flow analysis to estimate the number of compute operations and the number of memory operations to be performed by the program during execution;
• saving the ratio of the estimate of the number of memory operations to the estimate of the number of compute operations as a predetermined memory/compute ratio for future execution of the program;
• in response to the program being called for execution in the data processing system, automatically retrieving the predetermined memory/compute ratio for the program, wherein the program comprises a workload to execute at least in part on the GPU, and wherein the predetermined memory/compute ratio represents a ratio of memory accesses within the program, relative to compute operations within the program;
• and
• automatically adjusting a frequency of the GPU, based on the predetermined memory/compute ratio for the program.

An apparatus to support dynamic adjustment of graphics processing unit frequency for execution of a program, the apparatus comprising:

• a non-transitory machine accessible medium;
• and
• data in the machine accessible medium which, when accessed by a data processing system with a graphics processing unit (GPU), enables the data processing system to perform operations comprising:
• performing, without execution of the program, a control flow analysis to estimate the number of compute operations and the number of memory operations to be performed by the program during execution;
• saving the ratio of the estimate of the number of memory operations to the estimate of the number of compute operations as a predetermined memory/compute ratio for future execution of the program;
• executing the program on the GPU at a frequency based on the predetermined memory/compute ratio;
• obtaining performance data for the program while the program is executing;
• while the program is executing, determining a memory/compute ratio for the program, based on the performance data, wherein the memory/compute ratio determined during execution of the program represents a ratio of memory accesses within the program, relative to compute operations within the program;
• and
• dynamically adjusting a frequency of the GPU, while the program is executing, based on the memory/compute ratio determined during execution of the program.