ارائه یک رویکرد نگاشت در شبکه روی تراشه مبتنی بر الگوریتم جستجوی هارمونی
الموضوعات :
زهرا باقری
1
,
فاطمه وردی
2
,
علیرضا محجوب
3
1 - دانشگاه آزاد پرند
2 - دانشگاه آزاد اسلامی واحد پرند
3 - دانشگاه آزاد اسلامی واحد کرج
الکلمات المفتاحية: شبکه‌های روی تراشه, نگاشت, جستجوی هارمونی, فراابتکاری,
ملخص المقالة :
در پیاده‌سازی مبتنی بر شبکه روی تراشه، نگاشت را می‌توان گامی مهم در اجرای برنامه کاربردی دانست. وظایف یک کاربرد، اغلب در قالب یک گراف هسته نمایش داده می‌شود. هسته‌ها با استفاده از یک بستر ارتباطی و غالباً شبکه روی تراشه، بین خود پیوند برقرار می‌کنند و به این منظور، توسعه‌دهندگان الگوریتم‌های گوناگونی را پیشنهاد داده‌اند. در اغلب موارد به‌دلیل پیچیدگی از روش‌های جستجوی دقیق برای یافتن نگاشت استفاده می‌شود. با این حال این روش‌ها برای شبکه‌های با ابعاد کوچک مناسب هستند. با افزایش ابعاد شبکه، زمان جستجو نیز به‌طور نمایی افزایش می‌یابد. این مقاله از دیدگاه یک رویکرد فراابتکاری با استفاده از روش جستجوی هارمونی به تصمیم‌گیری زمانی برای اتصال هسته‌ها به روترها می‌پردازد. رویکرد ما نوعی بهبودیافته از الگوریتم جستجوی هارمونی را با تمرکز روی کاهش توان مصرفی و تأخیر به کار می‌گیرد. تحلیل پیچیدگی الگوریتم، آشکارکننده راه حل مناسب‌تر در مقایسه با الگوریتم‌های مشابه با توجه به الگوی ترافیکی برنامه کاربردی است. الگوریتم در مقایسه با روش‌های مشابه به 98/39% تأخیر کمتر و 11/61% صرفه‌جویی در توان مصرفی دست می‌یابد.
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