| Beloff B., McIntyre D. & Drummond B. Rekursiv Hardware. Linn Smart Computing Ltd, 1988. |
....store for the language Staple. Finally, in any implementation the layers may be virtual layers. The compiler may, for efficiency reasons, wish to avoid mapping through the interfaces. This may be achieved for any 3 combination of the layers. Alternatively, as in the case of the Rekursiv[bel88], hardware can be used to implement a layer. 2 Persistent Stores of Unbounded Size As described above, a store that supports orthogonal persistence has certain perceived attributes including uniformity, unbounded size and absolute stability. We shall now describe a number of techniques that may ....
....each object is identified by a number and each field of an object is identified by an offset into the object. Thus, an address consists of two components, an object number and an offset. These may be provided as a single partitioned integer or as separate integers depending on the implementation[dal68,bel88]. This abstraction relies on a mapping table that maps object numbers to lower level storage addresses and is illustrated in Figure 2. Offset Into Object Object Number Data The Address Mapping Table The Store The Object Figure 2: Addressing data within an object using a partitioned address. ....
Beloff B., McIntyre D. & Drummond B. Rekursiv Hardware. Linn Smart Computing Ltd, 1988.
....will be based on the use of memory mapped files and special purpose hardware. It is intended to make use of the memory mapped files from version 4 of the SUN UNIX system[sun88] to implement an efficient shadow paged stable store. The other proposed technique is to microcode the Rekursiv computer[bel88] to support the abstract machine and the storage layers. The resulting implementations should provide instances of the layered architecture whose performance is comparable with traditional computer architectures. 104 A1 Garbage collecting the main memory heap This appendix describes the garbage ....
Beloff B., McIntyre D. & Drummond B. Rekursiv Hardware. Linn Smart Computing Ltd, 1988.
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