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A Note on the Interruption of Extended Core Storage Transfers
January 1972 (vol. 21 no. 1)
pp. 87-90
| ASCII Text | x | ||
| M.H. Mxcdougall, "A Note on the Interruption of Extended Core Storage Transfers," IEEE Transactions on Computers, vol. 21, no. 1, pp. 87-90, January, 1972. | |||
| BibTex | x | ||
| @article{ 10.1109/T-C.1972.223435, author = {M.H. Mxcdougall}, title = {A Note on the Interruption of Extended Core Storage Transfers}, journal ={IEEE Transactions on Computers}, volume = {21}, number = {1}, issn = {0018-9340}, year = {1972}, pages = {87-90}, doi = {http://doi.ieeecomputersociety.org/10.1109/T-C.1972.223435}, publisher = {IEEE Computer Society}, address = {Los Alamitos, CA, USA}, } | |||
| RefWorks Procite/RefMan/Endnote | x | ||
| TY - JOUR JO - IEEE Transactions on Computers TI - A Note on the Interruption of Extended Core Storage Transfers IS - 1 SN - 0018-9340 SP87 EP90 EPD - 87-90 A1 - M.H. Mxcdougall, PY - 1972 KW - CDC 6000 KW - computer system analysis KW - extended core storage KW - interrupts KW - memory transfer blocking. VL - 21 JA - IEEE Transactions on Computers ER - | |||
In the Control Data 6000 system transfers between central memory and extended core storage may be interrupted through the issuance of an exchange jump by a peripheral processor. Reinitiation of the transfer requires that it be repeated completely rather than resumed at the point of interruption. The transfer process locks out the central processing unit (CPU), so an interrupted trahsfer results in lost CPU time. In this note an estimate of this time loss as a function of interrupt rate, transfer length, and transfer initiation overhead is obtained, as well as an estimate of the transfer length which minimizes lost CPU time.
Index Terms:
CDC 6000, computer system analysis, extended core storage, interrupts, memory transfer blocking.
Citation:
M.H. Mxcdougall, "A Note on the Interruption of Extended Core Storage Transfers," IEEE Transactions on Computers, vol. 21, no. 1, pp. 87-90, Jan. 1972, doi:10.1109/T-C.1972.223435
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