Abstract
A common use for Field-Programmable Gate Arrays (FPGAs) is the implementation of hardware accelerators. A way of doing so is to specify the internal logic of such accelerators by using Hardware Description Languages (HDLs). However, HDLs rely on the expertise of developers and their knowledge about hardware development with FPGAs. Regarding this, efforts have been focused on developing High-level Synthesis (HLS) tools in an attempt to increase the overall abstraction level required for using FPGAs. However, the solutions presented by such tools are commonly considered inefficient in comparison to the ones achieved by a specialized hardware designer. An alternative solution to program FPGAs is the use of Domain-Specific Languages (DSLs), as they can provide higher abstraction levels than HDLs still allowing the developers to deal with specific issues leading to more efficient designs and not always covered by HLS tools. In this paper we present our recent work on a DSL named LALP (Language for Aggressive Loop Pipelining), which has been developed focusing on the development of FPGA-based, aggressively pipelined, hardware accelerators. We present the recent LALP extensions and the challenges we are facing regarding to the compilation of LALP to FPGAs.

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The list of significant papers from the first 25 years of the Field-Programmable Logic and Applications conference (FPL) is presented in this paper. These 27 papers represent those which have most strongly influenced theory and practice in the field.

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