System for measuring the efficiency of accessing vector elements

Details System for measuring the efficiency of accessing vector elements System for measuring the efficiency of accessing vector elements

1989-11-03

1993-10-05

Harrell, Robert B.

Boots, shoes, and leggings

395800, 364264, 3642644, 364DIG1, G06F 1500

Patent

active

052513092

ABSTRACT:
A data processing apparatus includes a register, an access time counter, a comparator, and a bank waiting time counter. The register calculates a minimum period of time required to access all elements which constitute vector data when the vector data is accessed. The access time counter counts the time which has lapsed after access for the vector data is started. The comparator compares a value calculated by the register with a value obtained by the access time counter. The bank waiting time counter is incremented in accordance with a comparison result obtained by the comparator. The bank waiting time counter thus stores the waiting time due to the bank conflict.

REFERENCES:
patent: 3577185 (1971-05-01), Belady
patent: 3588837 (1971-06-01), Rash
patent: 4435765 (1981-11-01), Uchida et al.
patent: 4745545 (1988-05-01), Schiffleger
patent: 4777592 (1988-10-01), Yano
patent: 5014196 (1991-05-01), Hayashi et al.

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