Lock-free memory allocator without garbage collection on multicore embedded devices

Cho, Youngjoong; Lee, Dongwoo; Jun, Hyung Kook; Eom, Young Ik

doi:10.1109/icce.2014.6776071

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“…Em engenharia de sistemas computacionais, o gerenciamento de memória principal tem um impacto importante no desempenho e escalabilidade de sistemas de software (Ferreira et al, 2011a). Novos alocadores vêm sendo desenvolvidos visando melhor explorar perfis específicos de aplicações e ambientes de execução (Areias e Rocha, 2012) (Benosman et al, 2013) (Cho et al, 2014). Contudo, a transparência na usabilidade e a complexidade na avaliação experimental do alocador de memória para um dado perfil de uso da memória, apresentam-se como barreiras na escolha apropriada do alocador a ser usado no projeto de uma aplicação.…”

Section: Principais Resultadosunclassified

Estudo exploratório do desempenho de alocadores de memória no espaço do usuário

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The performance of memory allocation operations significantly impacts the global performance in most computing applications. Thus, the choice of a memory allocator is an important aspect when projecting more sophisticated computing systems. The strong correlation between the dynamic memory use profile and the allocator performance requires the allocator to be chosen through an experimental study. This research carried out an exploratory study on a set of six widely used memory allocators: Ptmalloc2 (standard glibc allocator), Ptmalloc3, Hoard, Miser, TCMalloc, and Jemalloc. The workloads used to evaluate the allocators were based on a characterization study on memory use of seven application, two of which for servers and five for desktops. Each allocator was evaluated regarding its response time and memory usage in a set with 648 different execution scenarios. The results showed that the allocators with the shortest mean execution time also made the best use of parallelism in scenarios with more than one thread and one processor. The allocators Jemalloc and TCMalloc were, on average, five times faster than the standard glibc allocator. Under certain conditions, the allocator Hoard provided substantial memory savings of up to 75% when compared with the other allocators assessed. These results emphasize the importance of allocator choice when projecting applications in face of the significant differences observed experimentally in this study.

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Section: Principais Resultadosunclassified

Estudo exploratório do desempenho de alocadores de memória no espaço do usuário

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Lock-free memory allocator without garbage collection on multicore embedded devices

Cited by 1 publication

References 1 publication

Estudo exploratório do desempenho de alocadores de memória no espaço do usuário

Estudo exploratório do desempenho de alocadores de memória no espaço do usuário

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