402 search results - page 1 / 81 » Measuring Operating System Overhead on CMT Processors |
SBACPAD
2008
IEEE
13 years 11 months ago
2008
IEEE
Numerous studies have shown that Operating System (OS) noise is one of the reasons for significant performance degradation in clustered architectures. Although many studies exami...
EXPCS
2007
13 years 8 months ago
2007
Context switching imposes a performance penalty on threads in a multitasking environment. The source of this penalty is both direct overhead due to running the context switch code...
PPOPP
2010
ACM
13 years 11 months ago
2010
ACM
In processors with several levels of hardware resource sharing, like CMPs in which each core is an SMT, the scheduling process becomes more complex than in processors with a singl...
PAAPP
2010
13 years 3 months ago
2010
Accurate, reproducible and comparable measurement of the overheads, communication times and progression behavior of blocking and nonblocking collective operations is a complicated...
IWMM
2011
Springer
12 years 7 months ago
2011
Springer
Multiprocessors based on processors with multiple cores usually include a non-uniform memory architecture (NUMA); even current 2-processor systems with 8 cores exhibit non-uniform...