US 12,461,724 B2Granted

Code energy efficiency

AssigneeSap SE

InventorsPraveen Jha, Prakash Kumar, Prabhat Kumar Singh, Sushanth B R, Maruthi Srinivas Singamsetty, Muhammed Bilal A

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Abstract

Techniques and solutions are provided for increasing the energy efficiency of computing code. Many computing operations can be implemented in a number of different ways. While the end result of each implementation may be the same, the energy efficiency of the implementations can vary dramatically. Disclosed techniques provide rules that can be used to analyze code for a particular implementation of an operation. If a rule is triggered, a recommendation to replace the implementation with a more energy efficient implementation can be provided, or the code can automatically be changed to include the more energy efficient implementation. Techniques for defining rules are also provided, such as by measuring or estimating energy used by various ways of implementing an operation. Measurement or estimation of energy used during code execution can be performed in a containerized environment, such as to provide improved accuracy, and allow for parallelization.

Claims20

Dependent claims

A computing system comprising:

at least one hardware processor;
at least one memory coupled to the at least one hardware processor;
and
one or more computer-readable storage media storing computer-executable instructions that, when executed, cause the computing system to perform operations comprising:
receiving a set of instructions expressed in a programming language;
performing code evaluation and replacement operations comprising:
receiving a request to analyze the set of instructions to determine whether one or more instructions of the set of instructions are replaceable with a more energy efficient instruction for performing a function accomplished by a respective instruction of the one or more instructions;
for each respective instruction of the one or more instructions, determining a corresponding rule defined for the respective instruction;
for each respective instruction of the one or more instructions, measuring or estimating an amount of energy saved by comparing an amount of energy used or estimated to be used in executing the one or more instructions including the respective instruction with an amount of energy used or estimated to be used in executing the one or more instructions modified to use a replacement operation specified in the corresponding rule in place of the respective instruction;
for each respective instruction of the one or more instructions, determining whether the corresponding rule is triggered, wherein the corresponding rule is triggered based on the measured or estimated amount of energy saved by replacing the respective instruction with the replacement operation specified in the corresponding rule;
for respective instructions of the one or more instructions for which the corresponding rule was triggered:
(1) in the set of instructions, replacing the respective instruction with the replacement operation specified in the corresponding rule;
and
subsequent to the performing code evaluation and replacement operations, compiling or interpreting the set of instructions with the replacement operation.

11 more elements

A method, implemented in a computing environment comprising at least one hardware processor and at least one memory coupled to the at least one hardware processor, the method comprising:

receiving user input defining at least one rule, the at least one rule comprising an instruction in a programming language that triggers the at least one rule, and one or more instructions in the programming language to be used in place of the instruction in the programming language that triggers the at least one rule;
receiving a set of instructions expressed in the programming language;
performing code evaluation and replacement operations comprising:
receiving a request to analyze the set of instructions to determine whether one or more instructions of the set of instructions are replaceable with a more energy efficient instruction for performing a function accomplished by a respective instruction of the one or more instructions;
for each respective instruction of the one or more instructions, determining a corresponding rule of a set of rules comprising the at least one rule, the corresponding rule defined for the respective instruction;
comparing an amount of energy used or estimated to be used in executing the one or more instructions including the respective instruction with an amount of energy used or estimated to be used in executing the one or more instructions modified to use an alternative instruction specified in the corresponding rule in place of the respective instruction;
for each respective instruction of the one or more instructions, determining whether the corresponding rule is triggered, wherein the corresponding rule is triggered based on a measured or estimated amount of energy saved by replacing the respective instruction with a replacement operation specified in the corresponding rule;
and
for respective instructions of the one or more instructions for which the corresponding rule was triggered:
(1) in the set of instructions, replacing the respective instruction with the replacement operation specified in the corresponding rule;
and
subsequent to the performing code evaluation and replacement operations, compiling or interpreting the set of instructions with the replacement operation.

9 more elements

One or more computer-readable storage media comprising:

computer-executable instructions that, when executed by a computing system comprising at least one hardware processor and at least one memory coupled to the at least one hardware processor, cause the computing system to receive a set of instructions expressed in a programming language;
computer-executable instructions that, when executed by the computing system, cause the computing system to perform code evaluation and replacement operations comprising:
computer-executable instructions that, when executed by the computing system, cause the computing system to receive a request to analyze the set of instructions to determine whether one or more instructions of the set of instructions are replaceable with a more energy efficient instruction for performing a function accomplished by a respective instruction of the one or more instructions;
computer-executable instructions that, when executed by the computing system, cause the computing system to, for each respective instruction of the one or more instructions, determine a corresponding rule defined for the respective instruction;
computer-executable instructions that, when executed by the computing system, cause the computing system to, for each respective instruction of the one or more instructions, measure or estimate an amount of energy saved by comparing an amount of energy used or estimated to be used in executing the one or more instructions including the respective instruction with an amount of energy used or estimated to be used in executing the one or more instructions modified to use a replacement operation specified in the corresponding rule in place of the respective instruction;
computer-executable instructions that, when executed by the computing system, cause the computing system to, for each respective instruction of the one or more instructions, determine whether the corresponding rule is triggered, wherein the corresponding rule is triggered based on the measured or estimated amount of energy saved by replacing the respective instruction with the replacement operation specified in the corresponding rule:
and
computer-executable instructions that, when executed by the computing system, cause the computing system to, for respective instructions of the one or more instructions for which the corresponding rule was triggered:
(1) in the set of instructions, replace the respective instruction with the replacement operation specified in the corresponding rule;
and
computer-executable instructions that, when executed by the computing system, cause the computing system to, subsequent to the performing code evaluation and replacement operations, compiling or interpreting the set of instructions with the replacement operation.

8 more elements

Dependencies are inferred from the claim text.