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| Content Provider | ACM Digital Library |
|---|---|
| Author | Schmid, Moritz Teich, Jürgen Reiche, Oliver Hannig, Frank Membarth, Richard |
| Abstract | As today's computer architectures are becoming more and more heterogeneous, a plethora of options including CPUs, GPUs, DSPs, reconfigurable logic (FPGAs), and other application-specific processors come into consideration for close-to-sensor processing. Especially, in the domain of image processing on mobile devices, among numerous design challenges, a very stringent energy budget is of utmost importance, making embedded GPUs and FPGAs ideal targets for implementation. Recently, the $HIPA^{cc}$ framework was proposed as a means for automatic code generation of image processing algorithms for embedded GPUs, based on a Domain-Specific Language (DSL). Despite of huge advancements in High-Level Synthesis (HLS) for FPGAs, designers are still required to have detailed knowledge about coding techniques and the targeted architecture to achieve efficient solutions. As a remedy, in this work, we propose code generation techniques for C-based HLS from a common high-level DSL description targeting FPGAs. Our approach includes FPGA-specific memory architectures for handling point and local operators, numerous high-level transformations, and automatic test bench generation. We evaluate our approach by comparing the resulting hardware accelerators to existing frameworks in terms of performance and resource requirements. Moreover, we assess the achieved energy efficiency in contrast to software implementations, generated by $HIPA^{cc}$ from the same code base, executed on GPUs. |
| Starting Page | 1 |
| Ending Page | 10 |
| Page Count | 10 |
| File Format | |
| ISBN | 9781450330510 |
| DOI | 10.1145/2656075.2656081 |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2014-10-12 |
| Publisher Place | New York |
| Access Restriction | Subscribed |
| Subject Keyword | Code generation Domain-specific language High-level synthesis Image processing Fpga Hardware accelerator Gpu |
| Content Type | Text |
| Resource Type | Article |
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