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Current Result Document :

ÇѱÛÁ¦¸ñ(Korean Title) RPC ±â¹Ý GPU °¡»óÈ­ ȯ°æ¿¡¼­ °¡»ó¸Ó½ÅÀÇ GPGPU ÀÛ¾÷ ¼º´É Çâ»óÀ» À§ÇÑ GPU ¸Þ¸ð¸® °ü¸® ±â¹ý
¿µ¹®Á¦¸ñ(English Title) GPU Memory Management Technique to Improve the Performance of GPGPU Task of Virtual Machines in RPC-Based GPU Virtualization Environments
ÀúÀÚ(Author) °­ÁöÈÆ   Jihun Kang  
¿ø¹®¼ö·Ïó(Citation) VOL 10 NO. 05 PP. 0123 ~ 0136 (2021. 05)
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(Korean Abstract)
RPC(Remote Procedure Call) ±â¹Ý GPU(Graphics Processing Unit) °¡»óÈ­ ±â¼úÀº ´Ù¼öÀÇ »ç¿ëÀÚ °¡»ó¸Ó½Å¿¡°Ô GPU¸¦ °øÀ¯Çϱâ À§ÇÑ ±â¼ú Áß ÇϳªÀÌ´Ù. ÇÏÁö¸¸ Ŭ¶ó¿ìµå ȯ°æ¿¡¼­ ÀϹÝÀûÀÎ GPU´Â CPU³ª ¸Þ¸ð¸®¿Í´Â ´Ù¸£°Ô °¡»ó¸Ó½ÅÀÇ ÀÚ¿ø »ç¿ë·®À» Á¦ÇÑÇÒ ¼ö ÀÖ´Â ÀÚ¿ø °Ý¸®(Isolation) ±â¼úÀ» Á¦°øÇÏÁö ¾Ê´Â´Ù. ƯÈ÷ RPC ±â¹Ý °¡»óÈ­ ȯ°æ¿¡¼­´Â °¢ °¡»ó¸Ó½Å¿¡¼­ ½ÇÇàµÇ´Â GPU ÀÛ¾÷Àº ¸ÖƼ ÇÁ·Î¼¼½º ÇüÅ·Π¼öÇàµÇ±â ¶§¹®¿¡ ÀÚ¿ø °Ý¸® ±â¼úÀÇ ºÎÀç´Â ÀÚ¿ø °æÀïÀ¸·Î ÀÎÇÑ ¼º´É ÀúÇÏ ¹®Á¦¸¦ ¹ß»ý½ÃŲ´Ù. ±×¸®°í GPU ¸Þ¸ð¸® °æÀïÀº °¡»ó¸Ó½ÅµéÀÇ ÀÚ¿ø ¿ä±¸·®ÀÌ ¸¹À»¼ö·Ï ¼º´É ÀúÇϸ¦ °¡¼ÓÈ­ÇÏ°í °¡»ó¸Ó½Å »çÀÌÀÇ ±ÕµîÇÑ ¼º´ÉÀ» º¸ÀåÇÏÁö ¸øÇϱ⠶§¹®¿¡ °øÆò¼ºÀÌ ÀúÇϵǴ ¹®Á¦¸¦ ¹ß»ý½ÃŲ´Ù. º» ³í¹®¿¡¼­´Â RPC ±â¹Ý GPU °¡»óÈ­ ȯ°æ¿¡¼­ »ç¿ëÀÚ °¡»ó¸Ó½ÅµéÀÇ GPU ¸Þ¸ð¸® ¿ä±¸·®ÀÌ °¡¿ë GPU ¸Þ¸ð¸® ¿ë·®À» ÃÊ°úÇßÀ» ¶§ ¹ß»ýÇÏ´Â ÀÚ¿ø °æÀïÀ¸·Î ÀÎÇÑ ¼º´É ÀúÇÏ ¹®Á¦ ºÐ¼®ÇÏ°í À̸¦ ÇØ°áÇϱâ À§ÇÑ GPU ¸Þ¸ð¸® °ü¸® ±â¹ýÀ» Á¦¾ÈÇÑ´Ù. ¶ÇÇÑ, ½ÇÇèÀ» ÅëÇØ º» ³í¹®¿¡¼­ Á¦¾ÈÇÑ GPU ¸Þ¸ð¸® °ü¸® ±â¹ýÀÌ GPGPU ÀÛ¾÷ÀÇ ¼º´ÉÀ» Çâ»ó½Ãų ¼ö ÀÖ´Ù´Â °ÍÀ» º¸¿©ÁØ´Ù.
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(English Abstract)
RPC (Remote Procedure Call)-based Graphics Processing Unit (GPU) virtualization technology is one of the technologies for sharing GPUs with multiple user virtual machines. However, in a cloud environment, unlike CPU or memory, general GPUs do not provide a resource isolation technology that can limit the resource usage of virtual machines. In particular, in an RPC-based virtualization environment, since GPU tasks executed in each virtual machine are performed in the form of multi-process, the lack of resource isolation technology causes performance degradation due to resource competition. In addition, the GPU memory competition accelerates the performance degradation as the resource demand of the virtual machines increases, and the fairness decreases because it cannot guarantee equal performance between virtual machines. This paper, in the RPC-based GPU virtualization environment, analyzes the performance degradation problem caused by resource contention when the GPU memory requirement of virtual machines exceeds the available GPUmemory capacity and proposes a GPU memory management technique to solve this problem. Also, experiments show that the GPU memory management technique proposed in this paper can improve the performance of GPGPU tasks.
Å°¿öµå(Keyword) GPU °¡»óÈ­   GPU ¸Þ¸ð¸®   ÀÚ¿ø °ü¸®   Ŭ¶ó¿ìµå ÄÄÇ»Æà  °í¼º´É Ŭ¶ó¿ìµå   GPU Virtualization   GPU Memory   Resource Managements   Cloud Computing   HPC Cloud  
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