{"responseHeader":{"status":0,"QTime":3,"params":{"q":"{!q.op=AND}id:\"103796\"","hl":"true","hl.simple.post":"","hl.fragsize":"5000","fq":"!embargo_tdt:[NOW TO *]","hl.fl":"ocr_t","hl.method":"unified","wt":"json","hl.simple.pre":""}},"response":{"numFound":1,"start":0,"docs":[{"file_name_t":"AD0760546.pdf","thumb_s":"/ca/c6/cac6c4e5963f2f7340e8138fad0745dccb8f400f.jpg","oldid_t":"compsci 11909","setname_s":"ir_computersa","restricted_i":0,"format_t":"application/pdf","creator_t":"Mahl, Robert, 1945-","modified_tdt":"2016-10-27T00:00:00Z","file_s":"/11/15/1115b218ebf79e193e303b8df5eb344b8d235baf.pdf","title_t":"Page 70","ocr_t":"57 the assumptions. If the constraint w. < 1 is imposed, the optimum would be: w = 1 w = .97 w = .24 E =2.21 max which is a closer approximation of the case with two orocessors. II1.4 Macroscheduling and microscheduling algorithms under the previous model. This section is intended to show how tho model of section III.3 can be applied to multi-level scheduling. Section III.4.1 shows how the schedulers look from the users point of view. An attempt is i.hen made to solve the mathematical programming problem by separating the assignment of priorities from the computation of the progress rates. A heuristic for assigning priorities is given and justified in III.4.2. Once priorities are chosen, the problem is reduced to a multi-dimen-sional Knapsack problem, for which a heurdstical solution is pronosed in III.4.3. Section III.4.4 summarizes the results, and Til.4.5 shows how the users could be charged at \"marginal pric&s\"; the prices for services being determined in connection with the algorithm of III.4.3.3, III.4.1 Combining two levels (in time) of scheduling. When designing an operating system, one of the maior difficulties is to partition the concepts involved. This requires, in particular, the separation of tasks which are loosely connected, and the imnlcien- Uation of them as separate processes of the system. \" it is assumed 12 This can be achieved with a hierarchical structure such as the one proposed by Diikstra [26] , with a communication system between processes [27].","id":103796,"created_tdt":"2016-10-27T00:00:00Z","parent_i":103852,"_version_":1642982555735031809}]},"highlighting":{"103796":{"ocr_t":[]}}}