Naoki Nishimura, Yasuhiro Awatsuji, and Toshihiro Kubota, "Analysis and evaluations of logical instructions called in parallel
digital optical operations based on optical array logic," Appl. Opt. 42, 2532-2545 (2003)
The authors have analyzed and evaluated a two-dimensional instruction set of
parallel operation based on optical array logic (OAL), which is a digital
optical computing paradigm, to clarify efficient composition of an optical
computing system based on OAL. To evaluate parallel operation based on OAL, the
authors have introduced new indices and evaluated a logical instruction set of
various parallel operations with the indices, so that a guideline for composing
a simple and efficient OAL computing system is clarified. Also, the authors have
proposed the reduced operation kernel set correlation technique to perform
parallel operations more efficiently by a simple OAL computing system. It has
been clarified that the technique can reduce the required hardware necessary for
an OAL computing system for efficient general-purpose processing.
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Points in C.4-N represents points in the operation kernel included in
center and four-neighboring kernel unit of the operation kernel.
X × X pts (X = 6,
10, 14, 18, 22) represents points in the operation kernel in the central
restricted area of the operation kernel.
Table 3
Performance Estimation for the OAL Operation with the ROSC Technique
Operation
Bit length of
unit data
Required size
of operation kernel
Required
times of correlation
Required
correlation steps to execute parallel operation by using ROSC
technique
Points in C.4-N represents points in the operation kernel included in
center and four-neighboring kernel unit of the operation kernel.
X × X pts (X = 6,
10, 14, 18, 22) represents points in the operation kernel in the central
restricted area of the operation kernel.
Table 3
Performance Estimation for the OAL Operation with the ROSC Technique
Operation
Bit length of
unit data
Required size
of operation kernel
Required
times of correlation
Required
correlation steps to execute parallel operation by using ROSC
technique