{"id":1573,"date":"2025-12-09T21:16:57","date_gmt":"2025-12-09T17:46:57","guid":{"rendered":"https:\/\/rezaalie.ir\/blog\/?p=1573"},"modified":"2025-12-09T21:20:11","modified_gmt":"2025-12-09T17:50:11","slug":"concurrency-vs-parallelism","status":"publish","type":"post","link":"https:\/\/rezaalie.ir\/blog\/concurrency-vs-parallelism\/","title":{"rendered":"Concurrency vs Parallelism"},"content":{"rendered":"

\u0627\u06af\u0631 \u062a\u0627\u0632\u0647 \u0628\u0627 \u0645\u0641\u0627\u0647\u06cc\u0645 \u0686\u0646\u062f\u0646\u062e\u06cc (Multithreading)\u060c \u0647\u0645\u200c\u0632\u0645\u0627\u0646\u06cc (Concurrency) \u0648 \u067e\u0631\u062f\u0627\u0632\u0634 \u0645\u0648\u0627\u0632\u06cc (Parallelism) \u0622\u0634\u0646\u0627 \u0634\u062f\u0647\u200c\u0627\u06cc\u062f\u060c \u0627\u062d\u062a\u0645\u0627\u0644\u0627\u064b \u0627\u0648\u0644\u06cc\u0646 \u0686\u06cc\u0632\u06cc \u06a9\u0647 \u0630\u0647\u0646\u062a\u0627\u0646 \u0631\u0627 \u062f\u0631\u06af\u06cc\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 “\u0627\u06cc\u0646\u200c\u0647\u0627 \u062f\u0642\u06cc\u0642\u0627\u064b \u0686\u0647 \u0641\u0631\u0642\u06cc \u062f\u0627\u0631\u0646\u062f\u061f”<\/em>
\n\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0627\u0632 \u067e\u0627\u06cc\u0647 \u0634\u0631\u0648\u0639 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645\u061b \u0627\u0628\u062a\u062f\u0627 \u0633\u0647 \u0645\u062f\u0644 \u0627\u062c\u0631\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0647\u0627 \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645: Sequential<\/strong>, Interleaved<\/strong>, \u0648 Parallel Execution<\/strong>. \u0628\u0639\u062f \u0627\u0646\u0648\u0627\u0639 Thread<\/a><\/strong>\u060c \u0645\u0632\u0627\u06cc\u0627 \u0648 \u0645\u0639\u0627\u06cc\u0628 Multithreading<\/strong> \u0648 \u0646\u0647\u0627\u06cc\u062a\u0627\u064b \u0627\u062c\u0631\u0627\u06cc Task\u0647\u0627 \u0631\u0648\u06cc Thread\u0647\u0627 \u0648 \u0645\u0641\u0647\u0648\u0645 \u0645\u0647\u0645 Context Switching<\/strong> \u0631\u0627 \u062a\u0648\u0636\u06cc\u062d \u0645\u06cc\u200c\u062f\u0647\u06cc\u0645\u060c \u0622\u0646 \u0647\u0645 \u0628\u0627 \u0645\u062b\u0627\u0644\u200c\u0647\u0627\u06cc \u0631\u0648\u0632\u0645\u0631\u0647 \u0648 \u0642\u0627\u0628\u0644 \u062f\u0631\u06a9 \u06a9\u0647 \u062d\u062a\u06cc \u0628\u062f\u0648\u0646 \u06a9\u062f\u0646\u0648\u06cc\u0633\u06cc \u0647\u0645 \u06a9\u0627\u0645\u0644\u0627\u064b \u0642\u0627\u0628\u0644 \u062a\u0635\u0648\u0631 \u0628\u0627\u0634\u0646\u062f.<\/p>\n

\u0645\u062f\u0644\u200c\u0647\u0627\u06cc \u0627\u062c\u0631\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 (Execution Models)<\/h2>\n

\u0627\u062c\u0631\u0627\u06cc \u062a\u0631\u062a\u06cc\u0628\u06cc (Sequential Execution)<\/strong><\/h3>\n

\u062f\u0631 \u0627\u06cc\u0646 \u0645\u062f\u0644 \u062a\u0646\u0647\u0627 \u06cc\u06a9 \u06a9\u0627\u0631 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u0648 \u062a\u0627 \u067e\u0627\u06cc\u0627\u0646 \u0647\u0645\u0627\u0646 \u06a9\u0627\u0631\u060c \u0647\u06cc\u0686 \u06a9\u0627\u0631 \u062f\u06cc\u06af\u0631\u06cc \u0634\u0631\u0648\u0639 \u0646\u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n

\u0645\u062b\u0627\u0644 \u0648\u0627\u0642\u0639\u06cc:
\n\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u062a\u0646\u0647\u0627 \u06cc\u06a9 \u06a9\u0627\u0631\u06af\u0631 \u062f\u0627\u0631\u06cc\u062f \u06a9\u0647 \u0628\u0627\u06cc\u062f:<\/p>\n

\n
\n\n\n\n\n\n
\u06a9\u0627\u0631 \u0627\u0648\u0644<\/th>\n\u06a9\u0627\u0631 \u062f\u0648\u0645<\/th>\n\u06a9\u0627\u0631 \u0633\u0648\u0645<\/th>\n<\/tr>\n<\/thead>\n
\u0686\u0627\u06cc \u062f\u0645 \u06a9\u0646\u062f<\/td>\n\u0646\u0627\u0647\u0627\u0631 \u0622\u0645\u0627\u062f\u0647 \u06a9\u0646\u062f<\/td>\n\u0645\u06cc\u0632 \u0631\u0627 \u062a\u0645\u06cc\u0632 \u06a9\u0646\u062f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

\u062a\u0627 \u06a9\u0627\u0631 \u0627\u0648\u0644 \u062a\u0645\u0627\u0645 \u0646\u0634\u0648\u062f\u060c \u06a9\u0627\u0631\u06af\u0631 \u0633\u0631\u0627\u063a \u062f\u0648\u0645\u06cc \u0646\u0645\u06cc\u200c\u0631\u0648\u062f. \u0627\u06cc\u0646 \u06cc\u0639\u0646\u06cc \u0627\u062c\u0631\u0627\u06cc \u062a\u0631\u062a\u06cc\u0628\u06cc<\/strong>.<\/p>\n

    \n
  1. \u00a0\u0645\u0646\u0627\u0633\u0628 \u0628\u0631\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0647\u0627\u06cc \u0633\u0627\u062f\u0647\u060c \u0628\u062f\u0648\u0646 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0647\u0645\u200c\u0632\u0645\u0627\u0646\u06cc<\/li>\n
  2. \u0647\u06cc\u0686 \u067e\u06cc\u0686\u06cc\u062f\u06af\u06cc<\/a> \u0646\u062f\u0627\u0631\u062f<\/li>\n
  3. \u06a9\u0646\u062f \u0627\u0633\u062a \u0632\u06cc\u0631\u0627 \u0647\u0645\u0647 \u0686\u06cc\u0632 \u067e\u0634\u062a \u0633\u0631 \u0647\u0645 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc\u200c\u0634\u0648\u062f<\/li>\n<\/ol>\n

    \u0627\u062c\u0631\u0627\u06cc \u062f\u0631\u0647\u0645\u200c\u062a\u0646\u06cc\u062f\u0647 (Interleaved \/ Concurrent Execution)<\/strong><\/h3>\n

    \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0647\u0645\u0686\u0646\u0627\u0646 \u0641\u0642\u0637 \u06cc\u06a9 \u0646\u06cc\u0631\u0648\u06cc \u067e\u0631\u062f\u0627\u0632\u0634\u06cc<\/strong> \u062f\u0627\u0631\u06cc\u0645\u060c \u0648\u0644\u06cc \u0628\u06cc\u0646 \u06a9\u0627\u0631\u0647\u0627 \u062c\u0627\u0628\u062c\u0627 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n

    \u0645\u062b\u0627\u0644:
    \n\u0647\u0645\u0627\u0646 \u06a9\u0627\u0631\u06af\u0631 \u0627\u06cc\u0646 \u0628\u0627\u0631:<\/p>\n

      \n
    • \u0622\u0628 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0686\u0627\u06cc \u0645\u06cc\u200c\u06af\u0630\u0627\u0631\u062f \u0631\u0648\u06cc \u06af\u0627\u0632 (\u062f\u0631 \u062d\u0627\u0644 \u062c\u0648\u0634\u06cc\u062f\u0646)<\/li>\n
    • \u062a\u0627 \u062c\u0648\u0634 \u0628\u06cc\u0627\u06cc\u062f \u0645\u06cc\u200c\u0631\u0648\u062f \u0628\u0631\u0646\u062c \u0631\u0627 \u0645\u06cc\u200c\u0634\u0648\u06cc\u062f<\/li>\n
    • \u062a\u0627 \u0628\u0631\u0646\u062c \u062f\u0645 \u0628\u06a9\u0634\u062f \u0634\u0631\u0648\u0639 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0645\u06cc\u0632 \u0631\u0627 \u067e\u0627\u06a9 \u06a9\u0631\u062f\u0646<\/li>\n<\/ul>\n

      \u0627\u06cc\u0646\u062c\u0627 \u0641\u0642\u0637 \u06cc\u06a9 \u06a9\u0627\u0631\u06af\u0631 \u062f\u0627\u0631\u06cc\u0645 \u2192 \u0627\u0645\u0627 \u0686\u0646\u062f \u06a9\u0627\u0631 \u0647\u0645\u200c\u0632\u0645\u0627\u0646 \u062f\u0631 \u062c\u0631\u06cc\u0627\u0646\u200c\u0627\u0646\u062f<\/strong>
      \n\u0627\u06cc\u0646 \u06cc\u0639\u0646\u06cc Concurrency<\/strong> (\u0647\u0645\u200c\u0632\u0645\u0627\u0646\u06cc)<\/p>\n

      \u0633\u0631\u0639\u062a \u067e\u0627\u0633\u062e\u200c\u06af\u0648\u06cc\u06cc \u0628\u0647\u062a\u0631 \u0645\u06cc\u200c\u0634\u0648\u062f
      \n\u0645\u0646\u0627\u0628\u0639 \u0628\u0644\u0627\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0645\u062a\u0631 \u0645\u06cc\u200c\u0645\u0627\u0646\u0646\u062f
      \n\u0627\u06af\u0631 \u062a\u0639\u062f\u0627\u062f \u06a9\u0627\u0631\u0647\u0627 \u0632\u06cc\u0627\u062f \u0634\u0648\u062f \u0645\u062f\u06cc\u0631\u06cc\u062a \u0633\u062e\u062a\u200c\u062a\u0631 \u0645\u06cc\u200c\u0634\u0648\u062f<\/p>\n

      \u0627\u062c\u0631\u0627\u06cc \u0645\u0648\u0627\u0632\u06cc (Parallel Execution)<\/strong><\/h3>\n

      \u062f\u0631 \u0627\u06cc\u0646 \u0634\u0631\u0627\u06cc\u0637 \u0686\u0646\u062f \u0646\u06cc\u0631\u0648\u06cc \u067e\u0631\u062f\u0627\u0632\u0634\u06cc \u0648\u0627\u0642\u0639\u06cc<\/strong> \u062f\u0627\u0631\u06cc\u0645 \u0648 \u06a9\u0627\u0631\u0647\u0627 \u0647\u0645\u0632\u0645\u0627\u0646 \u0648\u0627\u0642\u0639\u0627\u064b \u0627\u062c\u0631\u0627 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f.<\/p>\n

      \u0645\u062b\u0627\u0644:\u0633\u0647 \u06a9\u0627\u0631\u06af\u0631 \u062f\u0627\u0631\u06cc\u0645\u060c \u0647\u0631\u06a9\u062f\u0627\u0645 \u06cc\u06a9\u06cc \u0627\u0632 \u06a9\u0627\u0631\u0647\u0627 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc\u200c\u062f\u0647\u062f.
      \n\u0646\u062a\u06cc\u062c\u0647\u061f \u0647\u0645\u0647 \u06a9\u0627\u0631\u0647\u0627 \u0633\u0631\u06cc\u0639\u200c\u062a\u0631 \u062a\u0645\u0627\u0645 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n

        \n
      • \u0627\u06cc\u0646 \u06cc\u0639\u0646\u06cc Parallelism<\/strong> \u2192 \u0686\u0646\u062f \u0639\u0645\u0644 \u0648\u0627\u0642\u0639\u0627\u064b \u0647\u0645\u0632\u0645\u0627\u0646<\/li>\n
      • \u0628\u0647\u062a\u0631\u06cc\u0646 \u062d\u0627\u0644\u062a \u0628\u0631\u0627\u06cc \u0627\u0641\u0632\u0627\u06cc\u0634 \u0633\u0631\u0639\u062a<\/li>\n
      • \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0645\u0646\u0627\u0628\u0639 \u0628\u06cc\u0634\u062a\u0631 (\u06a9\u0627\u0631\u06af\u0631\u0647\u0627\u06cc \u0628\u06cc\u0634\u062a\u0631 \/ CPU\u0647\u0627\u06cc \u0628\u06cc\u0634\u062a\u0631)<\/li>\n<\/ul>\n

        \u0627\u0646\u0648\u0627\u0639 Thread \u2014 \u0646\u062e\u200c\u0647\u0627 \u0633\u062a\u0648\u0646 \u0641\u0642\u0631\u0627\u062a \u0627\u062c\u0631\u0627\u06cc \u0647\u0645\u200c\u0632\u0645\u0627\u0646<\/h2>\n

        Thread \u06cc\u0639\u0646\u06cc \u0645\u0633\u06cc\u0631 \u0627\u062c\u0631\u0627\u06cc\u06cc \u0645\u0633\u062a\u0642\u0644 \u062f\u0627\u062e\u0644 \u06cc\u06a9 \u0628\u0631\u0646\u0627\u0645\u0647. \u0645\u062b\u0644 \u0686\u0646\u062f \u06a9\u0627\u0631\u06af\u0631 \u062f\u0631 \u06cc\u06a9 \u06a9\u0627\u0631\u06af\u0627\u0647.<\/p>\n

        \u0645\u062f\u0644\u200c\u0647\u0627\u06cc \u0645\u062a\u062f\u0627\u0648\u0644 Threading:<\/h3>\n
        \n
        \n\n\n\n\n\n\n\n\n\n
        \u0646\u0648\u0639 Thread<\/th>\n\u062a\u0648\u0636\u06cc\u062d \u0633\u0627\u062f\u0647<\/th>\n<\/tr>\n<\/thead>\n
        Single Thread<\/strong><\/td>\n\u0641\u0642\u0637 \u06cc\u06a9 \u0646\u062e \u2192 \u0647\u0645\u0647 \u06a9\u0627\u0631\u0647\u0627 Sequential\/Interleaved<\/td>\n<\/tr>\n
        Multi-Thread<\/strong><\/td>\n\u0686\u0646\u062f \u0646\u062e \u0647\u0645\u0632\u0645\u0627\u0646 \u2192 \u0627\u0645\u06a9\u0627\u0646 Parallel\/Concurrency<\/td>\n<\/tr>\n
        Kernel-Level Thread<\/strong><\/td>\n\u062a\u0648\u0633\u0637 \u0633\u06cc\u0633\u062a\u0645\u200c\u0639\u0627\u0645\u0644 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u06cc\u200c\u0634\u0648\u062f (\u0633\u0646\u06af\u06cc\u0646\u200c\u062a\u0631 \u0648\u0644\u06cc \u0642\u062f\u0631\u062a\u0645\u0646\u062f\u062a\u0631)<\/td>\n<\/tr>\n
        User-Level Thread<\/strong><\/td>\n\u062a\u0648\u0633\u0637 \u0628\u0631\u0646\u0627\u0645\u0647 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u06cc\u200c\u0634\u0648\u062f (\u0633\u0628\u06a9\u200c\u062a\u0631 \u0648\u0644\u06cc \u0645\u062d\u062f\u0648\u062f\u06cc\u062a \u0628\u06cc\u0634\u062a\u0631)<\/td>\n<\/tr>\n
        Hybrid Thread<\/strong><\/td>\n\u062a\u0631\u06a9\u06cc\u0628\u06cc \u0627\u0632 \u0645\u062f\u06cc\u0631\u06cc\u062a Kernel + User \u0628\u0631\u0627\u06cc \u0628\u0647\u06cc\u0646\u0647\u200c\u0633\u0627\u0632\u06cc<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

        \u0645\u062b\u0627\u0644 \u0633\u0627\u062f\u0647 Kernel vs User Thread
        \nKernel Thread \u0645\u062b\u0644 \u06a9\u0627\u0631\u06af\u0631\u06cc \u0627\u0633\u062a \u06a9\u0647 \u062a\u0648\u0633\u0637 \u0645\u062f\u06cc\u0631\u06cc\u062a \u06a9\u0627\u0631\u062e\u0627\u0646\u0647 \u06a9\u0646\u062a\u0631\u0644 \u0645\u06cc\u200c\u0634\u0648\u062f\u060c \u0648\u0638\u0627\u06cc\u0641 \u0645\u0634\u062e\u0635 \u062f\u0627\u0631\u062f.
        \nUser Thread \u0645\u062b\u0644 \u06a9\u0627\u0631\u06af\u0631 \u0642\u0631\u0627\u0631\u062f\u0627\u062f\u06cc \u0627\u0633\u062a \u06a9\u0647 \u062e\u0648\u062f \u062a\u06cc\u0645 \u067e\u0631\u0648\u0698\u0647 \u0627\u0648 \u0631\u0627 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u06cc\u200c\u06a9\u0646\u062f\u060c \u0633\u0628\u06a9\u200c\u062a\u0631 \u0648 \u0627\u0631\u0632\u0627\u0646\u200c\u062a\u0631.<\/p>\n

        Multithreading \u2014 \u0686\u0631\u0627 \u062c\u0630\u0627\u0628 \u0627\u0633\u062a \u0648 \u06a9\u062c\u0627 \u062f\u0631\u062f\u0633\u0631 \u0645\u06cc\u200c\u0633\u0627\u0632\u062f\u061f<\/h2>\n

        Multi-threading \u06cc\u0639\u0646\u06cc \u0627\u062c\u0631\u0627\u06cc \u0686\u0646\u062f Task \u0628\u0647 \u0634\u06a9\u0644 \u0647\u0645\u200c\u0632\u0645\u0627\u0646 \u06cc\u0627 \u0645\u0648\u0627\u0632\u06cc.<\/p>\n

        \u0645\u0632\u0627\u06cc\u0627<\/h3>\n
        \n
        \n\n\n\n\n\n\n\n
        \u0645\u0632\u06cc\u062a<\/th>\n\u0645\u062b\u0627\u0644 \u0642\u0627\u0628\u0644 \u0641\u0647\u0645<\/th>\n<\/tr>\n<\/thead>\n
        \u0627\u0641\u0632\u0627\u06cc\u0634 \u0633\u0631\u0639\u062a<\/strong><\/td>\n\u06f3 \u06a9\u0627\u0631\u06af\u0631 \u2192 \u0686\u0627\u06cc\u060c \u0646\u0627\u0647\u0627\u0631\u060c \u062a\u0645\u06cc\u0632\u06a9\u0627\u0631\u06cc \u0647\u0645\u200c\u0632\u0645\u0627\u0646<\/td>\n<\/tr>\n
        \u067e\u0627\u0633\u062e\u200c\u06af\u0648\u06cc\u06cc \u0628\u0647\u062a\u0631 \u0628\u0631\u0646\u0627\u0645\u0647<\/strong><\/td>\n\u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0646\u06af \u0646\u0645\u06cc\u200c\u06a9\u0646\u062f \u0686\u0648\u0646 \u06cc\u06a9 Thread \u0645\u062e\u0635\u0648\u0635 UI \u0648 \u062f\u06cc\u06af\u0631\u06cc \u0628\u0631\u0627\u06cc \u067e\u0631\u062f\u0627\u0632\u0634<\/td>\n<\/tr>\n
        \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0628\u0647\u062a\u0631 \u0627\u0632 CPU \u0647\u0627\u06cc \u0686\u0646\u062f \u0647\u0633\u062a\u0647\u200c\u0627\u06cc<\/strong><\/td>\n\u0627\u06af\u0631 4 \u0647\u0633\u062a\u0647 \u062f\u0627\u0631\u06cc\u060c \u0686\u0631\u0627 \u06cc\u06a9 \u0647\u0633\u062a\u0647 \u0628\u0647\u200c\u062a\u0646\u0647\u0627\u06cc\u06cc \u06a9\u0627\u0631 \u06a9\u0646\u062f\u061f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

        \u0645\u0639\u0627\u06cc\u0628<\/h3>\n
        \n
        \n\n\n\n\n\n\n\n
        \u0639\u06cc\u0628<\/th>\n\u0645\u062b\u0627\u0644<\/th>\n<\/tr>\n<\/thead>\n
        \u067e\u06cc\u0686\u06cc\u062f\u06af\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a<\/strong><\/td>\n\u06f5 \u06a9\u0627\u0631\u06af\u0631 \u062f\u0627\u0631\u06cc \u0648\u0644\u06cc \u0628\u0627\u06cc\u062f \u0646\u0638\u0627\u0631\u062a \u0648 \u0632\u0645\u0627\u0646\u200c\u0628\u0646\u062f\u06cc \u06a9\u0646\u06cc<\/td>\n<\/tr>\n
        \u0627\u062d\u062a\u0645\u0627\u0644 \u062a\u062f\u0627\u062e\u0644 \u0648 Race Condition<\/strong><\/td>\n\u0647\u0631\u062f\u0648 \u06a9\u0627\u0631\u06af\u0631 \u0647\u0645\u200c\u0632\u0645\u0627\u0646 \u0633\u0631\u0627\u063a \u06cc\u06a9 \u0642\u0627\u0628\u0644\u0645\u0647 \u0645\u06cc\u200c\u0631\u0648\u0646\u062f!<\/td>\n<\/tr>\n
        \u0647\u0632\u06cc\u0646\u0647 Context Switch \u0628\u0627\u0644\u0627<\/strong><\/td>\n\u062c\u0627\u0628\u062c\u0627\u06cc\u06cc \u06a9\u0627\u0631\u06af\u0631\u0647\u0627 \u0628\u06cc\u0646 \u0648\u0638\u0627\u06cc\u0641 \u0632\u0645\u0627\u0646 \u0645\u06cc\u200c\u06af\u06cc\u0631\u062f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

        \u0627\u062c\u0631\u0627\u06cc Task \u0631\u0648\u06cc Thread \u2014 \u062f\u0642\u06cc\u0642\u0627\u064b \u0686\u0647 \u0627\u062a\u0641\u0627\u0642\u06cc \u0645\u06cc\u200c\u0627\u0641\u062a\u062f\u061f<\/h2>\n

        \u0628\u0631\u0646\u0627\u0645\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0686\u0646\u062f Task \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0646\u062f \u0648 \u0622\u0646\u200c\u0647\u0627 \u0631\u0627 \u0631\u0648\u06cc \u0686\u0646\u062f Thread \u0642\u0631\u0627\u0631 \u062f\u0647\u062f.
        \n\u06af\u0627\u0647\u06cc \u06cc\u06a9 Thread \u0686\u0646\u062f Task \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc\u200c\u062f\u0647\u062f (Interleaving)\u060c
        \n\u06af\u0627\u0647\u06cc \u0647\u0631 Task \u0631\u0648\u06cc Thread \u062c\u062f\u0627 \u0627\u062c\u0631\u0627 \u0645\u06cc\u200c\u0634\u0648\u062f (Parallel).<\/p>\n

        \u0645\u062b\u0627\u0644 \u0648\u0627\u0642\u0639\u06cc:<\/h3>\n
        \n
        \n\n\n\n\n\n\n
        Thread 1<\/th>\nThread 2<\/th>\n<\/tr>\n<\/thead>\n
        \u062f\u0645 \u06a9\u0631\u062f\u0646 \u0686\u0627\u06cc<\/td>\n\u0622\u0645\u0627\u062f\u0647 \u06a9\u0631\u062f\u0646 \u0646\u0627\u0647\u0627\u0631<\/td>\n<\/tr>\n
        \u067e\u0627\u06a9 \u06a9\u0631\u062f\u0646 \u0622\u0634\u067e\u0632\u062e\u0627\u0646\u0647<\/td>\n\u062e\u0631\u06cc\u062f \u0646\u0627\u0646<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

        \u0627\u06af\u0631 Thread \u0628\u06cc\u0634\u062a\u0631\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u0645\u060c \u062a\u0642\u0633\u06cc\u0645\u200c\u06a9\u0627\u0631 \u0628\u0647\u062a\u0631 \u0648 \u0633\u0631\u0639\u062a \u0628\u0627\u0644\u0627\u062a\u0631.<\/p>\n

        Context Switching \u2014 \u0639\u0627\u0645\u0644 \u067e\u0646\u0647\u0627\u0646 \u06a9\u0646\u062f\u06cc<\/h2>\n

        \u0648\u0642\u062a\u06cc CPU \u0628\u06cc\u0646 Thread\u200c\u0647\u0627 \u062c\u0627\u0628\u062c\u0627 \u0645\u06cc\u200c\u0634\u0648\u062f\u060c \u0628\u0627\u06cc\u062f \u0648\u0636\u0639\u06cc\u062a Thread \u0642\u0628\u0644\u06cc \u0630\u062e\u06cc\u0631\u0647 \u0648 Thread \u062c\u062f\u06cc\u062f \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u0634\u0648\u062f.
        \n\u0627\u06cc\u0646 \u0641\u0631\u0622\u06cc\u0646\u062f \u0631\u0627 Context Switch<\/strong> \u0645\u06cc\u200c\u06af\u0648\u06cc\u0646\u062f.<\/p>\n

        \u0645\u062b\u0627\u0644 \u0627\u0646\u0633\u0627\u0646\u06cc:
        \n\u062a\u0635\u0648\u0631 \u06a9\u0646 \u06a9\u0627\u0631\u06af\u0631 \u0627\u0648\u0644 \u0648\u0633\u0637 \u0686\u0627\u06cc\u200c\u0633\u0627\u0632\u06cc \u0645\u062a\u0648\u0642\u0641 \u0634\u0648\u062f \u0648 \u0645\u062c\u0628\u0648\u0631 \u0634\u0648\u062f \u06a9\u0627\u0631 \u0646\u0627\u0647\u0627\u0631 \u0631\u0627 \u0627\u062f\u0627\u0645\u0647 \u062f\u0647\u062f. \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u0627\u0631:<\/p>\n

          \n
        • \u0628\u0627\u06cc\u062f \u06cc\u0627\u062f\u0634 \u0628\u06cc\u0627\u06cc\u062f \u0642\u0628\u0644\u0627\u064b \u0686\u0647 \u06a9\u0631\u062f\u0647<\/li>\n
        • \u0648\u0633\u0627\u06cc\u0644 \u0631\u0627 \u0639\u0648\u0636 \u06a9\u0646\u062f<\/li>\n
        • \u0641\u06a9\u0631\u0634 \u0631\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0647\u062f<\/li>\n<\/ul>\n

          \u0627\u06cc\u0646\u200c\u0647\u0627 \u0647\u0632\u06cc\u0646\u0647 \u0632\u0645\u0627\u0646\u06cc<\/strong> \u062f\u0627\u0631\u0646\u062f. \u0627\u06af\u0631 Thread \u0632\u06cc\u0627\u062f \u0628\u0627\u0634\u062f\u060c Context Switch \u0632\u06cc\u0627\u062f = \u0633\u0631\u0639\u062a \u06a9\u0645\u062a\u0631.<\/p>\n

          Multithreading \u0647\u0645\u06cc\u0634\u0647 \u0633\u0631\u06cc\u0639\u200c\u062a\u0631 \u0646\u06cc\u0633\u062a \u2192 \u06af\u0627\u0647\u06cc Slowdown \u0647\u0645 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc\u200c\u06a9\u0646\u062f!<\/p>\n

          \u062c\u0645\u0639\u200c\u0628\u0646\u062f\u06cc \u0645\u0642\u0627\u0644\u0647<\/h2>\n
          \n
          \n\n\n\n\n\n\n\n\n\n\n
          \u0645\u0641\u0647\u0648\u0645<\/th>\n\u0645\u0639\u0646\u06cc \u0633\u0627\u062f\u0647<\/th>\n\u0645\u062b\u0627\u0644<\/th>\n<\/tr>\n<\/thead>\n
          Sequential<\/td>\n\u0627\u062c\u0631\u0627\u06cc \u067e\u0634\u062a\u200c\u0633\u0631\u0647\u0645<\/td>\n\u06cc\u06a9 \u06a9\u0627\u0631\u06af\u0631 = \u06cc\u06a9 \u06a9\u0627\u0631 \u0647\u0645\u200c\u0632\u0645\u0627\u0646<\/td>\n<\/tr>\n
          Concurrent<\/td>\n\u0686\u0646\u062f \u06a9\u0627\u0631 \u062f\u0631 \u062c\u0631\u06cc\u0627\u0646 \u0648\u0644\u06cc \u0628\u0627 \u06cc\u06a9 \u067e\u0631\u062f\u0627\u0632\u0646\u062f\u0647<\/td>\n\u06cc\u06a9 \u06a9\u0627\u0631\u06af\u0631 \u0628\u06cc\u0646 \u0686\u0646\u062f \u06a9\u0627\u0631 \u062c\u0627\u0628\u062c\u0627 \u0645\u06cc\u200c\u0634\u0648\u062f<\/td>\n<\/tr>\n
          Parallel<\/td>\n\u0686\u0646\u062f \u06a9\u0627\u0631 \u0647\u0645\u200c\u0632\u0645\u0627\u0646 \u0648\u0627\u0642\u0639\u06cc \u0628\u0627 \u0686\u0646\u062f \u067e\u0631\u062f\u0627\u0632\u0646\u062f\u0647<\/td>\n\u0686\u0646\u062f \u06a9\u0627\u0631\u06af\u0631 \u0647\u0645\u200c\u0632\u0645\u0627\u0646 \u06a9\u0627\u0631 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f<\/td>\n<\/tr>\n
          Thread<\/td>\n\u0645\u0633\u06cc\u0631 \u0627\u062c\u0631\u0627\u06cc \u0645\u0633\u062a\u0642\u0644<\/td>\n\u0647\u0631 Thread = \u06cc\u06a9 \u06a9\u0627\u0631\u06af\u0631<\/td>\n<\/tr>\n
          Multithreading<\/td>\n\u0627\u062c\u0631\u0627\u06cc \u0686\u0646\u062f Thread<\/td>\n\u0686\u0646\u062f \u0645\u0633\u06cc\u0631 \u0627\u062c\u0631\u0627 \u062f\u0631 \u06cc\u06a9 \u0628\u0631\u0646\u0627\u0645\u0647<\/td>\n<\/tr>\n
          Context Switching<\/td>\n\u062c\u0627\u0628\u062c\u0627\u06cc\u06cc CPU \u0628\u06cc\u0646 Thread\u0647\u0627<\/td>\n\u06a9\u0627\u0631\u06af\u0631 \u0628\u06cc\u0646 \u06a9\u0627\u0631\u0647\u0627 \u0633\u0648\u06cc\u06cc\u0686 \u0645\u06cc\u200c\u06a9\u0646\u062f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

          \u0627\u06af\u0631 \u062e\u0648\u0627\u0633\u062a\u06cc \u062f\u0631 \u0646\u0633\u062e\u0647 \u0628\u0639\u062f\u06cc \u0647\u0645\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0628\u0627 \u0645\u062b\u0627\u0644\u200c\u0647\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633\u06cc (Golang\u060c Java\u060c Python)<\/strong> \u0627\u06cc\u0646 \u0645\u0641\u0627\u0647\u06cc\u0645 \u0631\u0627 \u0639\u0645\u0644\u06cc \u0646\u0634\u0627\u0646<\/p>\n","protected":false},"excerpt":{"rendered":"

          \u0627\u06af\u0631 \u062a\u0627\u0632\u0647 \u0628\u0627 \u0645\u0641\u0627\u0647\u06cc\u0645 \u0686\u0646\u062f\u0646\u062e\u06cc (Multithreading)\u060c \u0647\u0645\u200c\u0632\u0645\u0627\u0646\u06cc (Concurrency) \u0648 \u067e\u0631\u062f\u0627\u0632\u0634 \u0645\u0648\u0627\u0632\u06cc (Parallelism) \u0622\u0634\u0646\u0627 \u0634\u062f\u0647\u200c\u0627\u06cc\u062f\u060c \u0627\u062d\u062a\u0645\u0627\u0644\u0627\u064b \u0627\u0648\u0644\u06cc\u0646 \u0686\u06cc\u0632\u06cc \u06a9\u0647 \u0630\u0647\u0646\u062a\u0627\u0646 \u0631\u0627 \u062f\u0631\u06af\u06cc\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647…<\/p>\n","protected":false},"author":1,"featured_media":1575,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-1573","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-10"],"acf":[],"yoast_head":"\nConcurrency vs Parallelism<\/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:\/\/rezaalie.ir\/blog\/concurrency-vs-parallelism\/\" \/>\n<meta property=\"og:locale\" content=\"fa_IR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Concurrency vs Parallelism\" \/>\n<meta property=\"og:description\" content=\"\u0627\u06af\u0631 \u062a\u0627\u0632\u0647 \u0628\u0627 \u0645\u0641\u0627\u0647\u06cc\u0645 \u0686\u0646\u062f\u0646\u062e\u06cc (Multithreading)\u060c \u0647\u0645\u200c\u0632\u0645\u0627\u0646\u06cc (Concurrency) \u0648 \u067e\u0631\u062f\u0627\u0632\u0634 \u0645\u0648\u0627\u0632\u06cc (Parallelism) \u0622\u0634\u0646\u0627 \u0634\u062f\u0647\u200c\u0627\u06cc\u062f\u060c \u0627\u062d\u062a\u0645\u0627\u0644\u0627\u064b \u0627\u0648\u0644\u06cc\u0646 \u0686\u06cc\u0632\u06cc \u06a9\u0647 \u0630\u0647\u0646\u062a\u0627\u0646 \u0631\u0627 \u062f\u0631\u06af\u06cc\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/rezaalie.ir\/blog\/concurrency-vs-parallelism\/\" \/>\n<meta property=\"og:site_name\" content=\"\u0648\u0628\u0644\u0627\u06af\" \/>\n<meta property=\"article:published_time\" content=\"2025-12-09T17:46:57+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-12-09T17:50:11+00:00\" \/>\n<meta property=\"og:image\" 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