{"id":1105,"date":"2025-09-30T14:15:27","date_gmt":"2025-09-30T14:15:27","guid":{"rendered":"https:\/\/panda.deib.polimi.it\/?page_id=1105"},"modified":"2025-09-30T14:31:39","modified_gmt":"2025-09-30T14:31:39","slug":"chstone-results","status":"publish","type":"page","link":"https:\/\/panda.deib.polimi.it\/?page_id=1105","title":{"rendered":"CHStone Results"},"content":{"rendered":"<h4>Introduction<\/h4>\n<p>We evaluate accelerators generated by Bambu on the standard benchmark suite CHStone proposed in:<\/p>\n<blockquote><p>Yuko Hara, Hiroyuki Tomiyama, Shinya Honda and Hiroaki Takada, \u201cProposal and Quantitative Analysis of the CHStone Benchmark Program Suite for Practical C-based High-level Synthesis\u201d, Journal of Information Processing, Vol. 17, pp.242-254, (2009).<\/p><\/blockquote>\n<p>A comparison with a standard commercial HLS tool is provided when possible.<\/p>\n<h4>Setup<\/h4>\n<p>&#8211; Target hardware: AMD\/Xilinx Virtex7 FPGA.<br \/>\n&#8211; Target frequency: 200 MHz.<br \/>\n&#8211; Source code for the benchmarks is available in <a href=\"https:\/\/github.com\/ferrandi\/PandA-bambu\/tree\/main\/examples\/CHStone\">examples\/CHStone<\/a>.<\/p>\n<h4>Summary<\/h4>\n<h5>Speedup over commercial HLS tool for a set of different Bambu configurations across all benchmarks.<\/h5>\n<p><em>Latency is measured in ns (clock cycles * achieved period post-implementation). &gt; 1 is better.<\/em><\/p>\n<p align=\"center\"><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/panda.deib.polimi.it\/wp-content\/uploads\/boxplot_chstone_timing.png\" width=\"600\" \/><\/p>\n<h5>Area consumption over commercial HLS tool for a set of different Bambu configurations across all benchmarks.<\/h5>\n<p><em>Area is measured in Equivalent LUTs (BRAMs * 40 + DRAMs * 40 + DSPs * 40 + Registers * 0.5 + LUTs). &lt; 1 is better.<\/em><\/p>\n<p align=\"center\"><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/panda.deib.polimi.it\/wp-content\/uploads\/boxplot_chstone_area.png\" width=\"600\" \/><\/p>\n<h4>Trade-offs<\/h4>\n<p>We highlight the effect of selecting different values for the <code>--experimental-setup<\/code> option, which steers Bambu towards different trade-offs between performance and area.<\/p>\n<p><em>Pareto plots (Latency vs. Area) for selected benchmarks. Points marked with x are dominated.<\/em><\/p>\n<p align=\"center\" width=\"100%\"><img decoding=\"async\" src=\"https:\/\/panda.deib.polimi.it\/wp-content\/uploads\/pareto_chstone_adpcm.png\" width=\"400px\" \/><br \/>\n<img decoding=\"async\" src=\"https:\/\/panda.deib.polimi.it\/wp-content\/uploads\/pareto_chstone_aes.png\" width=\"400px\" \/><\/p>\n<p align=\"center\" width=\"100%\"><img decoding=\"async\" src=\"https:\/\/panda.deib.polimi.it\/wp-content\/uploads\/pareto_chstone_gsm.png\" width=\"400px\" \/><br \/>\n<img decoding=\"async\" src=\"https:\/\/panda.deib.polimi.it\/wp-content\/uploads\/pareto_chstone_mpeg2.png\" width=\"400px\" \/><\/p>\n<h4>Detailed Results<\/h4>\n<p>Post-p&amp;r timing and area metrics for each benchmark and each selected configuration are available in a separate <a href=\"https:\/\/panda.deib.polimi.it\/wp-content\/uploads\/chstone.txt\">table<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Introduction We evaluate accelerators generated by Bambu on the standard benchmark suite CHStone proposed in: Yuko Hara, Hiroyuki Tomiyama, Shinya Honda and Hiroaki Takada, \u201cProposal and Quantitative Analysis of the CHStone Benchmark Program Suite for Practical C-based High-level Synthesis\u201d, Journal of Information Processing, Vol. 17, pp.242-254, (2009). A comparison with a standard commercial HLS tool &hellip; <a href=\"https:\/\/panda.deib.polimi.it\/?page_id=1105\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">CHStone Results<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":101162,"featured_media":0,"parent":1099,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1105","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>CHStone Results - panda.deib.polimi.it<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/panda.deib.polimi.it\/?page_id=1105\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CHStone Results - panda.deib.polimi.it\" \/>\n<meta property=\"og:description\" content=\"Introduction We evaluate accelerators generated by Bambu on the standard benchmark suite CHStone proposed in: Yuko Hara, Hiroyuki Tomiyama, Shinya Honda and Hiroaki Takada, \u201cProposal and Quantitative Analysis of the CHStone Benchmark Program Suite for Practical C-based High-level Synthesis\u201d, Journal of Information Processing, Vol. 17, pp.242-254, (2009). 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