Edge deep learning is rapidly being deployed in consumer devices such as home appliances, car navigation systems, and IoT devices. Given these devices' limited computational power and memory, optimizing deep learn...
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programs that run on a Java virtual machine (JVM)-like Eclipse OpenJ9-are initially interpreted. To improve performance, a Just-in- Time (JIT) compiler may be employed at run time to translate the whole or parts of th...
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Since 2001, our institute is cooperating with Oracle Labs (formerly Sun Labs) on dynamic compiler optimizations and virtual machines. We contributed compiler infrastructure and optimizations both for the Java HotSpot ...
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ISBN:
(纸本)9798350387674
Since 2001, our institute is cooperating with Oracle Labs (formerly Sun Labs) on dynamic compiler optimizations and virtual machines. We contributed compiler infrastructure and optimizations both for the Java HotSpot Client compiler and for Oracle's new Graal compiler, which are now used in Oracle's Java environment all over the *** work concentrates on dynamic (just-in-time) compilers that compile an intermediate program representation at run time into highly optimized machine code. In contrast to static compilers (e.g., for C/C++), a dynamic (JIT) compiler imposes new challenges but also offers new optimization opportunities. Both under HotSpot and GraalVM, a program is first executed in interpreted mode, thus guaranteeing fast startup times. During interpretation, run-time profiles about execution frequencies, branch frequencies and observed run-time types are collected. When the execution frequency of a method exceeds a certain threshold, the method is considered "hot"and is passed to the JIT compiler, which compiles it to efficient machine code. Frequently called methods are then executed in machine code while rarely executed methods are interpreted, thus saving compilation time and optimizing the overall *** challenge in JIT compilation is that it happens at run time and must therefore be extremely fast. Elaborate static analysis as well as traditional optimization techniques are often too time-consuming and must therefore be replaced with new and more efficient optimization algorithms. On the other hand, the collected run-time profiles can be leveraged to apply optimizations that are not possible in static compilers. It is even possible to apply "optimistic"optimizations: Usually, optimizations can only be applied when certain preconditions are guaranteed to be true. In our case, however, we can perform optimizations also when we have seen sufficient evidence for the precondition in the profile so far. If the condition turns out to be wrong d
We propose a concrete ("pointer as integer") memory semantics for C that supports verified compilation to a target environment having simple "public vs. private"data protection based on tagging or ...
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The research investigates effective light conditions for the growth of Rauwolfia serpentina, a flower renowned for its medicinal properties. The study meticulously examines the impact of controlling LED grow lights...
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This article introduces the design of a high-speed 2-port SRAM compiler based on the 14nm process. In the design process, in order to improve the read and write speed of the circuit, the decoding module was graded for...
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Deep Learning (DL) compilers such as TVM enable the efficient deployment of diverse DL models on heterogeneous and resource-constrained devices to meet the needs for low latency, privacy protection, and enhanced relia...
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The existence of control dependencies within programs necessitates intricate data reorganization, significantly hindering the vectorization capabilities in automated SIMD compilation processes. The latest iteration of...
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This research paper offers a comprehensive performance study of SpecFEM-3D, a well known software package devised for simulating seismic wave propagation in complex 3D geological structures, on the ARM A64FX compute a...
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In this paper we present our early work at improving Smalltalk performance by inlining message sends during compilation. Smalltalk developers typically write small method bodies with one or two statements, this limits...
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