Hierarchical pre-fetch pipelining in a hybrid memory server
First Claim
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1. A method, with a hybrid server system in an out-of-core processing environment, comprising:
- partitioning a memory system partitioned into a first set of memory managed by a server, and a second set of memory managed by a set of accelerator systems, the second set of memory being directly writeable to by the set of accelerator systems, and wherein the memory system comprises heterogeneous memory types;
identifying a data set stored within at least one of the first set of memory and the second set of memory that is associated with at least one accelerator system in the set of accelerator systems; and
transforming the data set from a first format to a second format, wherein the second format is a format required by the at least one accelerator system.
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Abstract
A method, hybrid server system, and computer program product, prefetch data. A set of prefetch requests associated with one or more given datasets residing on the server system are received from a set of accelerator systems. A set of data is prefetched from a memory system residing at the server system for at least one prefetch request in the set of prefetch requests. The set of data satisfies the at least one prefetch request. The set of data that has been prefetched is sent to at least one accelerator system, in the set of accelerator systems, associated with the at least one prefetch request.
39 Citations
18 Claims
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1. A method, with a hybrid server system in an out-of-core processing environment, comprising:
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partitioning a memory system partitioned into a first set of memory managed by a server, and a second set of memory managed by a set of accelerator systems, the second set of memory being directly writeable to by the set of accelerator systems, and wherein the memory system comprises heterogeneous memory types; identifying a data set stored within at least one of the first set of memory and the second set of memory that is associated with at least one accelerator system in the set of accelerator systems; and transforming the data set from a first format to a second format, wherein the second format is a format required by the at least one accelerator system. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A hybrid server system in an out-of-core processing environment comprising:
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a server comprising a memory system partitioned into a first set of memory managed by the server, and a second set of memory managed by a set of accelerator systems, the second set of memory being directly writeable to by the set of accelerator systems, and wherein the memory system comprises heterogeneous memory types; a data access manager communicatively coupled to the memory system; and a set of accelerator systems communicatively coupled to the server, wherein each accelerator system in the set of accelerator systems comprises at least one processing core, wherein the data access manager is configured to identify a data set stored within at least one of the first set of memory and the second set of memory that is associated with at least one accelerator system in the set of accelerator systems; and transform the data set from a first format to a second format, wherein the second format is a format required by the at least one accelerator system. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A computer program product for managing data access in an out-of-core processing environment, the computer program product comprising:
a non-transitory storage medium readable by a processing circuit and storing instructions for execution by the processing circuit for performing a method comprising; partitioning a memory system partitioned into a first set of memory managed by a server, and a second set of memory managed by a set of accelerator systems, the second set of memory being directly writeable to by the set of accelerator systems, and wherein the memory system comprises heterogeneous memory types; identifying a data set stored within at least one of the first set of memory and the second set of memory that is associated with at least one accelerator system in the set of accelerator systems; and transforming the data set from a first format to a second format, wherein the second format is a format required by the at least one accelerator system. - View Dependent Claims (14, 15, 16, 17, 18)
Specification