roll-in roll-outn.

Brit.

/rəʊlˌɪn rəʊlˈaʊt/, U.S.

/roʊlˌɪn roʊlˈaʊt/

Forms:

α. 1900s– roll in roll out, 1900s– roll in/roll out, 1900s– roll-in/roll-out, 1900s– roll-in roll-out, 1900s– roll-in-roll-out.

β. 1900s– roll out/roll in, 1900s– roll-out/roll-in, 1900s– roll-out-roll-in.

Origin: Formed within English, by compounding. Etymons: roll v.², in adv., out adv.

Etymology: In α. forms < roll v.² + in adv. + roll v.² + out adv., after to roll in 4b at roll v.² Phrasal verbs 1, to roll out 7b at roll v.² Phrasal verbs 1. In β. forms < roll v.² + out adv. + roll v.² + in adv., after to roll out 7b at roll v.² Phrasal verbs 1, to roll in 4b at roll v.² Phrasal verbs 1.

Computing.

The process of switching (typically large) bodies of data or instructions between main memory and auxiliary storage in order to process several tasks simultaneously and maximize the use of limited main memory.

ΘΚΠ

society > computing and information technology > hardware > [noun] > memory > way of using

bank switching1953

overlay1963

paging1966

roll-in roll-out1971

1970 O. Dopping Computers & Data Processing ix. 123 Roll-in and roll-out together are often called core swapping.]

1971 Computers & Biomed. Res. 4 131 The core will be temporarily extended with 65 K on the single processor, and the roll in/roll out of the operating system will be used for automatic regulation of the magnitude of working area according to the transaction load.

1976 W. Y. Arms et al. Computing xi. 263 Roll in roll out is simple and effective in many circumstances, but is not suitable for large time sharing systems.

1989 E. Clementi et al. in T. Theophanides Spectrosc. Inorg. Bioactivators i. 49 The operating systems..were very simple, and time sharing came into consideration only through the roll-in/roll-out capability.

1990 P. T. Wallace in J. V. Wall & A. Boksenberg Mod. Technol. & Infl. on Astron. xxii. 294 This would greatly decrease the complexity of the data management software (no roll-out-roll-in).

2006 J. A. Hernández et al. SAP R/3 Handbk. (ed. 3) ii. 66 The main change was to make use of an extended memory management system to..avoid the overhead caused by heavy roll-in/roll-out tasks of previous releases.

This entry has been updated (OED Third Edition, November 2010; most recently modified version published online March 2022).

单词	roll-in roll-out
释义	roll-in roll-outn. Brit. /rəʊlˌɪn rəʊlˈaʊt/, U.S. /roʊlˌɪn roʊlˈaʊt/ Forms: α. 1900s– roll in roll out, 1900s– roll in/roll out, 1900s– roll-in/roll-out, 1900s– roll-in roll-out, 1900s– roll-in-roll-out. β. 1900s– roll out/roll in, 1900s– roll-out/roll-in, 1900s– roll-out-roll-in. Origin: Formed within English, by compounding. Etymons: roll v.², in adv., out adv. Etymology: In α. forms < roll v.² + in adv. + roll v.² + out adv., after to roll in 4b at roll v.² Phrasal verbs 1, to roll out 7b at roll v.² Phrasal verbs 1. In β. forms < roll v.² + out adv. + roll v.² + in adv., after to roll out 7b at roll v.² Phrasal verbs 1, to roll in 4b at roll v.² Phrasal verbs 1. Computing. The process of switching (typically large) bodies of data or instructions between main memory and auxiliary storage in order to process several tasks simultaneously and maximize the use of limited main memory. ΘΚΠ society > computing and information technology > hardware > [noun] > memory > way of using bank switching1953 overlay1963 paging1966 roll-in roll-out1971 1970 O. Dopping Computers & Data Processing ix. 123 Roll-in and roll-out together are often called core swapping.] 1971 Computers & Biomed. Res. 4 131 The core will be temporarily extended with 65 K on the single processor, and the roll in/roll out of the operating system will be used for automatic regulation of the magnitude of working area according to the transaction load. 1976 W. Y. Arms et al. Computing xi. 263 Roll in roll out is simple and effective in many circumstances, but is not suitable for large time sharing systems. 1989 E. Clementi et al. in T. Theophanides Spectrosc. Inorg. Bioactivators i. 49 The operating systems..were very simple, and time sharing came into consideration only through the roll-in/roll-out capability. 1990 P. T. Wallace in J. V. Wall & A. Boksenberg Mod. Technol. & Infl. on Astron. xxii. 294 This would greatly decrease the complexity of the data management software (no roll-out-roll-in). 2006 J. A. Hernández et al. SAP R/3 Handbk. (ed. 3) ii. 66 The main change was to make use of an extended memory management system to..avoid the overhead caused by heavy roll-in/roll-out tasks of previous releases. This entry has been updated (OED Third Edition, November 2010; most recently modified version published online March 2022). < n.1971
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