D:\sbornik\...\dpm_full.DVI Mathematical Problems of Computer Science 25, 2006, 18{26. Dynamic P r ocess M anagement System Ar chitectur e for Computational Cluster s Tig r a n M. Gr ig o r ya n , V la d im ir G. S a h a kya n Institue for Informatics and Automation Problems of NAS of RA e-mals tigrangr@ipia.sci.am, svlad@sci.am Abstract The problem of e±cient utilization of computational resources of clusters arises as its load and number of users grow. Tasks like the fair use of resources and load balancing are common and should be solved by the operation environment of cluster. Existing mechanisms that solve the mentioned problems work ¯ne as long as parallel programs are run on a ¯xed number of resources. Allocating and freeing resources dynamically can highly improve the performance of a parallel program as well as the e±ciency of using the cluster. In the following paper the system architecture is described, which supports dynamic resource allocation and process spawning, which is alternate to MPI-2 standard's dynamic process spawning mechanism. It is also introduced, how dynamic task/process spawning can improve the performance of the parallel program. R e fe r e n c e s [1 ] Me s s a g e P a s s in g In t e r fa c e Fo r u m . MP I-2 : E xt e n s io n s t o t h e Me s s a g e -P a s s in g In t e r fa c e ( h t t p :/ / www.m p i-fo r u m .o r g / d o c s / m p i-2 0 .p s ) [2 ] W . Gr o p p , E . L u s k. D yn a m ic P r o c e s s Ma n a g e m e n t in a n MP I S e t t in g ; Ma t h e m a t ic s a n d Co m p u t e r S c ie n c e D ivis io n A r g o n n e N a t io n a l L a b o r a t o r y, 1 9 9 5 [3 ] G. B u r n s , R . D a o u d , J. V a ig l. L A M: A n Op e n Clu s t e r E n vir o n m e n t fo r MP I; P r o c e e d - in g s o f S u p e r c o m p u t in g S ym p o s iu m , p p . 3 7 9 { 3 8 6 ; 1 9 9 4 [4 ] J. M. S qu yr e s a n d A . L u m s d a in e . A Co m p o n e n t A r c h it e c t u r e fo r L A M/ MP I; P r o c e e d - in g s , 1 0 t h E u r o p e a n P V M/ MP I U s e r s ' Gr o u p Me e t in g , p p . 3 7 9 { 3 8 7 ; 2 0 0 3 [5 ] B . B a r r e t t , J. M. S qu yr e s a n d A n d r e w L u m s d a in e . In t e g r a t io n o f t h e L A M/ MP I E n - vir o n m e n t a n d t h e P B S S c h e d u lin g S ys t e m ; P r o c e e d in g s o f t h e 1 7 t h In t e r n a t io n a l S ym p o s iu m o n H ig h P e r fo r m a n c e Co m p u t in g S ys t e m s a n d A p p lic a t io n s a n d OS CA R S ym p o s iu m , p p . 2 7 7 { 2 8 3 ; 2 0 0 3 [6 ] A . B a yu c a n , R . L . H e n d e r s o n , J. P . Jo n e s , C. L e s ia k, B . Ma n n , B . N it z b e r g , T. P r o e t t , J. U t le y. P o r t a b le B a t c h S ys t e m , Op e n P B S R e le a s e 2 .3 , A d m in is t r a t o r Gu id e ; V e r id ia n In fo r m a t io n S o lu t io n s , In c ., 2 0 0 0 1 8 T. M. Grigoryan, V. G. Sahakyan 1 9 [7 ] Â.Â. Âîåâîäèí, Âë.Â. Âîåâîäèí. Ïàðàëëåëüíûå âû÷èñëåíèÿ; ”ÁÕÂ-Ïåòåðáóðã”, Ñàíêò- Ïåòåðáóðã, 2004. [8 ] T. Gr ig o r ya n , V . S a h a kya n . D yn a m ic R e s o u r c e Ma n a g e r fo r Clu s t e r s . P r o c e e d in g s o f CS IT2 0 0 5 , p p . 4 3 9 { 4 4 2 ; Y e r e va n , 2 0 0 5 гßíáÕ³Ï³Ý Ïɳëï»ñÝ»ñÇ ¹ÇݳÙÇÏ ÁÝóóùÝ»ñÇ Õ»Ï³í³ñÙ³Ý Ñ³Ù³Ï³ñ·³ÛÇÝ ×³ñï³ñ³å»ïáõÃÛáõÝ î. Ø. ¶ñÇ·áñÛ³Ý ²Ù÷á÷áõÙ Îɳëï»ñ³ÛÇÝ Ñ³Ù³Ï³ñ·Ç ͳÝñ³µ»éÝí³ÍáõÃÛ³Ý ¨ û·ï³·áñÍáÕÝ»ñÇ ù³Ý³ÏÇ ³×Ç Ñ»ï Ù»Ïï»Õ ³é³ç ¿ ·³ÉÇë ¹ñ³ ѳßíáÕ³Ï³Ý é»ëáõñëÝ»ñÇ ¿ý»ÏïÇí û·ï³·áñÍÙ³Ý åñáµÉ»ÙÁ: ²é³ç³ÝáõÙ »Ý é»ëáõñëÝ»ñÇ §³½ÝÇí¦ û·ï³·áñÍÙ³Ý ¨ µ»éÝí³ÍáõÃÛ³Ý Ñ³í³ë³ñ³ÏßéÙ³Ý ËݹÇñÝ»ñÁ, áñáÝù å»ïù ¿ ÉáõÍí»Ý Ïɳëï»ñÇ ûå»ñ³óÇáÝ ÙÇç³í³ÛñÇ ÏáÕÙÇó: ¶áÛáõÃÛáõÝ áõÝ»óáÕ Ù»Ë³ÝǽÙÝ»ñÁ ³å³ÑáíáõÙ »Ý ³Û¹ ËݹÇñÝ»ñÁ ÉáõÍáõÙÁ ù³ÝÇ ¹»é ½áõ·³Ñ»é Íñ³·ñ»ñÁ ³ß˳ïáõÙ »Ý ýÇùëí³Í ù³Ý³ÏáõÃÛ³Ùµ åñáó»ëáñÝ»ñÇ íñ³: гßíáÕ³Ï³Ý é»ëáõñëÝ»ñÇ ¹ÇݳÙÇÏ ½µ³Õ»óáõÙÁ ¨ ³½³ïáõÙÁ ϳñáÕ ¿ ½·³ÉÇáñ»Ý µ³ñÓñ³óÝ»É ÇÝãå»ë ½áõ·³Ñ»é Íñ³·ñÇ ³ñï³¹ñáճϳÝáõÃÛáõÝÁ, ³ÛÝå»ë ¿É Ïɳëï»ñÇ û·ï³·áñÍÙ³Ý ¿ý»ÏïÇíáõÃÛáõÝÁ: êáõÛÝ Ñá¹í³ÍáõÙ Ýϳñ³·ñí³Í ¿ ѳßíáÕ³Ï³Ý é»ëáõñëÝ»ñÇ ¹ÇݳÙÇÏ ½µ³Õ»óáõÙ ¨ ¹ÇݳÙÇÏ Áݹ³óùÝ»ñÇ ë»ñáõÙ ³å³ÑáíáÕ Ïɳëï»ñÇ Ñ³Ù³Ï³ñ·³ÛÇÝ ×³ñï³ñ³å»ïáõÃÛáõÝ, áñÁ ϳñáÕ ¿ ³ÛÉÁÝïñ³Ýù ѳݹÇë³Ý³É MPI- 2 ëï³Ý¹³ñïÇ ¹ÇݳÙÇÏ Áݹ³óùÝ»ñÇ ë»ñÙ³Ý Ù»Ë³ÝǽÙÇÝ: òáõÛó ¿ ïñí³Í ݳ¨, û ÇÝãå»ë ¹ÇݳÙÇÏ ë»ñíáÕ Áݹ³óùÝ»ñÇ ÏÇñ³éáõÙÁ ϳñáÕ ¿ µ³ñÓñ³óÝ»É ½áõ·³Ñ»é Íñ³·ñÇ ³ñï³¹ñáճϳÝáõÃÛáõÝÁ: