#aca rgpv  Advance Computer Architecture unit 4 part  3

#aca rgpv Advance Computer Architecture unit 4 part 3

Vector Instruction types • Vector-Vector Instructions • Vector-Scalar Instructions • Vector-Memory Instructions • Vector Reduction Instructions • Gather and Scatter Instructions • Masking Instructions SIMD organization: distributed memory model and shared memory model There are various architecture supporting parallel processing exists these are boardly classified as Multiprocessors and Multicomputers. The common classification are Shared-Memory Multiprocessors ..

#aca rgpv  Advance Computer Architecture unit 4 part 1

#aca rgpv Advance Computer Architecture unit 4 part 1

Cache Coherence and Synchronization Cache coherence problem An important problem that must be addressed in many parallel systems – any system that allows multiple processors to access (potentially) multiple copies of data – is cache coherence. The existence of multiple cached copies of data creates the possibility of inconsistency between a cached copy and the ..