A first insight into object-aware hardware transactional memory

A first insight into object-aware hardware transactional memory
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对对象感知硬件事务内存的初步了解

DOI:
10.1145/1378533.1378552
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发表时间:
2008
期刊:
--
影响因子:
--
通讯作者:
Khan B
Khan B
中科院分区:
--
文献类型:
--
作者:
Khan B

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本文的贡献是第一个硬件事务内存(HTM),其中对象结构被识别和利用。我们的方法类似于使用虚拟寻址缓存和 TLB 对分页虚拟内存的硬件支持,并且基于允许通过唯一对象标识符对对象进行寻址的缓存层次结构。对象感知 HTM 允许未提交数据的缓存溢出。它还支持新颖的提交和冲突检测机制。在此初步评估中,Lee-TM 应用程序出现了溢出,而在大多数以前的 HTM 中,这些溢出必须由软件处理,从而影响性能。该模拟提供了对所提出的 HTM 的可扩展性特征的深入了解,该 HTM 使用对象和字段粒度、惰性版本控制和惰性冲突检测。例如,对于 32 个内核,写入集的广播低于总线带宽的 5%,显示了对象感知 HTM 系统的潜力。
The contribution of this paper is the first Hardware Transactional Memory (HTM) where the object structure is recognized and harnessed. Our approach is similar to hardware support of paged virtual memory using a virtually addressed cache and a TLB, and is based on a cache hierarchy that allows the addressing of objects by unique object identifiers. The object-aware HTM allows cache overflows of uncommitted data. It also enables a novel commit and conflict detection mechanism. In this preliminary evaluation, the Lee-TM application exhibits overflows that in most previous HTMs would have had to be handled by software, impacting on performance. The simulation provides an insight into the scalability characteristics of the proposed HTM, which uses object and field granularity, lazy versioning and lazy conflict detection. For example, with 32 cores the broadcast of write sets is at under 5% of the bus bandwidth, showing the potential of object-aware HTM systems.
基于对象的内存架构
DOI: --
发表时间: 1990
期刊: Workshop on Persistent Objects
影响因子: --
作者:
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通讯作者: M. Wolczko
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DOI: 10.1109/pact.2007.11
发表时间: 2007
期刊: 16th International Conference on Parallel Architecture and Compilation Techniques (PACT 2007)
影响因子: --
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发表时间: 2006
影响因子: 1.3
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