From 14bee41b70672d84b1ef9bb7cfca4ce5e60f43e6 Mon Sep 17 00:00:00 2001
From: guanjihuan <guanjihuan@163.com>
Date: Tue, 22 Feb 2022 14:34:21 +0800
Subject: [PATCH] update

---
 ...on_of_parallel_calculations_with_python.py |  10 +-
 .../parallel_calculations_with_python.py      |  21 ++--
 ...el_calculations_with_python_using_Value.py |  16 +++
 .../results/a0.txt                            |  16 ---
 .../results/a1.txt                            |  16 ---
 .../results/a2.txt                            |  16 ---
 .../results/a3.txt                            |  16 ---
 .../results/a4.txt                            |  16 ---
 .../results/a5.txt                            |  16 ---
 .../results/a6.txt                            |   4 -
 .../results/combine.txt                       | 100 ------------------
 11 files changed, 35 insertions(+), 212 deletions(-)
 create mode 100644 language_learning/2020.06.01_parallel_calculations_with_python/parallel_calculations_with_python_using_Value.py
 delete mode 100755 language_learning/2021.05.10_parallel_calculations_using_sh_files/results/a0.txt
 delete mode 100755 language_learning/2021.05.10_parallel_calculations_using_sh_files/results/a1.txt
 delete mode 100755 language_learning/2021.05.10_parallel_calculations_using_sh_files/results/a2.txt
 delete mode 100755 language_learning/2021.05.10_parallel_calculations_using_sh_files/results/a3.txt
 delete mode 100755 language_learning/2021.05.10_parallel_calculations_using_sh_files/results/a4.txt
 delete mode 100755 language_learning/2021.05.10_parallel_calculations_using_sh_files/results/a5.txt
 delete mode 100755 language_learning/2021.05.10_parallel_calculations_using_sh_files/results/a6.txt
 delete mode 100755 language_learning/2021.05.10_parallel_calculations_using_sh_files/results/combine.txt

diff --git a/language_learning/2020.06.01_parallel_calculations_with_python/application_of_parallel_calculations_with_python.py b/language_learning/2020.06.01_parallel_calculations_with_python/application_of_parallel_calculations_with_python.py
index 6b49a5d..2267f25 100644
--- a/language_learning/2020.06.01_parallel_calculations_with_python/application_of_parallel_calculations_with_python.py
+++ b/language_learning/2020.06.01_parallel_calculations_with_python/application_of_parallel_calculations_with_python.py
@@ -10,17 +10,21 @@ def main(parameter_array, task_index):
     for parameter in parameter_array:
         result = parameter*2
         result_array.append(result)
+    time.sleep(np.random.uniform(1,10))
     guan.write_one_dimensional_data(parameter_array, result_array, filename='task_index='+str(task_index))
 
 if __name__ == '__main__':
     cpus = 4
     parameter_array_all = np.arange(0, 17, 1) 
     start_time = time.perf_counter()
+    process_array = []
     for task_index in range(cpus):
         parameter_array = guan.preprocess_for_parallel_calculations(parameter_array_all, cpus, task_index)
-        p = Process(target=main, args=(parameter_array, task_index))
-        p.start()
-    p.join()
+        process_array.append(Process(target=main, args=(parameter_array, task_index)))
+    for process in process_array: # 运行子进程
+        process.start()
+    for process in process_array: # 等待子进程完成
+        process.join() 
     end_time = time.perf_counter()
     print('运行时间=', (end_time-start_time), '\n')
     f = open('result.txt', 'w')
diff --git a/language_learning/2020.06.01_parallel_calculations_with_python/parallel_calculations_with_python.py b/language_learning/2020.06.01_parallel_calculations_with_python/parallel_calculations_with_python.py
index 35e20cf..cc41a57 100755
--- a/language_learning/2020.06.01_parallel_calculations_with_python/parallel_calculations_with_python.py
+++ b/language_learning/2020.06.01_parallel_calculations_with_python/parallel_calculations_with_python.py
@@ -26,14 +26,17 @@ if __name__ == '__main__':
     print('并行程序')
     print('Process id = %s.' % os.getpid())
     start_time = time.perf_counter()
-    p = Process(target=run_proc, args=('job1',))
-    p.start()
-    p = Process(target=run_proc, args=('job2',))
-    p.start()
-    p = Process(target=run_proc, args=('job3',))
-    p.start()
-    p = Process(target=run_proc, args=('job4',))
-    p.start()
-    p.join()   # join()方法可以等待子进程结束后再继续往下运行
+    p1 = Process(target=run_proc, args=('job1',))
+    p2 = Process(target=run_proc, args=('job2',))
+    p3 = Process(target=run_proc, args=('job3',))
+    p4 = Process(target=run_proc, args=('job4',))
+    p1.start()
+    p2.start()
+    p3.start()
+    p4.start()
+    p1.join()   # join()方法可以等待子进程结束后再继续往下运行
+    p2.join()   # join()方法可以等待子进程结束后再继续往下运行
+    p3.join()   # join()方法可以等待子进程结束后再继续往下运行
+    p4.join()   # join()方法可以等待子进程结束后再继续往下运行
     end_time = time.perf_counter()
     print('运行时间(s)=', (end_time-start_time))
\ No newline at end of file
diff --git a/language_learning/2020.06.01_parallel_calculations_with_python/parallel_calculations_with_python_using_Value.py b/language_learning/2020.06.01_parallel_calculations_with_python/parallel_calculations_with_python_using_Value.py
new file mode 100644
index 0000000..be08ebe
--- /dev/null
+++ b/language_learning/2020.06.01_parallel_calculations_with_python/parallel_calculations_with_python_using_Value.py
@@ -0,0 +1,16 @@
+from multiprocessing import Process, Value
+
+def run_proc(name, a, num): # 要执行的代码
+    num.value = a
+
+if __name__ == '__main__':
+    num1 = Value('d', 0.0)  # 共享内存
+    num2 = Value('d', 0.0)  # 共享内存
+    p1 = Process(target=run_proc, args=('job1', 100, num1))
+    p2 = Process(target=run_proc, args=('job2', 200, num2))
+    p1.start()
+    p2.start()
+    p1.join()
+    p2.join() 
+    print(num1.value)
+    print(num2.value)
\ No newline at end of file
diff --git a/language_learning/2021.05.10_parallel_calculations_using_sh_files/results/a0.txt b/language_learning/2021.05.10_parallel_calculations_using_sh_files/results/a0.txt
deleted file mode 100755
index 510d166..0000000
--- a/language_learning/2021.05.10_parallel_calculations_using_sh_files/results/a0.txt
+++ /dev/null
@@ -1,16 +0,0 @@
-0.0            0.0
-0.1            0.010000000000000002
-0.2            0.04000000000000001
-0.30000000000000004            0.09000000000000002
-0.4            0.16000000000000003
-0.5            0.25
-0.6000000000000001            0.3600000000000001
-0.7000000000000001            0.4900000000000001
-0.8            0.6400000000000001
-0.9            0.81
-1.0            1.0
-1.1            1.2100000000000002
-1.2000000000000002            1.4400000000000004
-1.3            1.6900000000000002
-1.4000000000000001            1.9600000000000004
-1.5            2.25
diff --git a/language_learning/2021.05.10_parallel_calculations_using_sh_files/results/a1.txt b/language_learning/2021.05.10_parallel_calculations_using_sh_files/results/a1.txt
deleted file mode 100755
index 79e3156..0000000
--- a/language_learning/2021.05.10_parallel_calculations_using_sh_files/results/a1.txt
+++ /dev/null
@@ -1,16 +0,0 @@
-1.6            2.5600000000000005
-1.7000000000000002            2.8900000000000006
-1.8            3.24
-1.9000000000000001            3.6100000000000003
-2.0            4.0
-2.1            4.41
-2.2            4.840000000000001
-2.3000000000000003            5.290000000000001
-2.4000000000000004            5.760000000000002
-2.5            6.25
-2.6            6.760000000000001
-2.7            7.290000000000001
-2.8000000000000003            7.840000000000002
-2.9000000000000004            8.410000000000002
-3.0            9.0
-3.1            9.610000000000001
diff --git a/language_learning/2021.05.10_parallel_calculations_using_sh_files/results/a2.txt b/language_learning/2021.05.10_parallel_calculations_using_sh_files/results/a2.txt
deleted file mode 100755
index c312024..0000000
--- a/language_learning/2021.05.10_parallel_calculations_using_sh_files/results/a2.txt
+++ /dev/null
@@ -1,16 +0,0 @@
-3.2            10.240000000000002
-3.3000000000000003            10.890000000000002
-3.4000000000000004            11.560000000000002
-3.5            12.25
-3.6            12.96
-3.7            13.690000000000001
-3.8000000000000003            14.440000000000001
-3.9000000000000004            15.210000000000003
-4.0            16.0
-4.1000000000000005            16.810000000000006
-4.2            17.64
-4.3            18.49
-4.4            19.360000000000003
-4.5            20.25
-4.6000000000000005            21.160000000000004
-4.7            22.090000000000003
diff --git a/language_learning/2021.05.10_parallel_calculations_using_sh_files/results/a3.txt b/language_learning/2021.05.10_parallel_calculations_using_sh_files/results/a3.txt
deleted file mode 100755
index 6aa79d3..0000000
--- a/language_learning/2021.05.10_parallel_calculations_using_sh_files/results/a3.txt
+++ /dev/null
@@ -1,16 +0,0 @@
-4.800000000000001            23.040000000000006
-4.9            24.010000000000005
-5.0            25.0
-5.1000000000000005            26.010000000000005
-5.2            27.040000000000003
-5.300000000000001            28.090000000000007
-5.4            29.160000000000004
-5.5            30.25
-5.6000000000000005            31.360000000000007
-5.7            32.49
-5.800000000000001            33.64000000000001
-5.9            34.81
-6.0            36.0
-6.1000000000000005            37.21000000000001
-6.2            38.440000000000005
-6.300000000000001            39.69000000000001
diff --git a/language_learning/2021.05.10_parallel_calculations_using_sh_files/results/a4.txt b/language_learning/2021.05.10_parallel_calculations_using_sh_files/results/a4.txt
deleted file mode 100755
index 14b3470..0000000
--- a/language_learning/2021.05.10_parallel_calculations_using_sh_files/results/a4.txt
+++ /dev/null
@@ -1,16 +0,0 @@
-6.4            40.96000000000001
-6.5            42.25
-6.6000000000000005            43.56000000000001
-6.7            44.89
-6.800000000000001            46.24000000000001
-6.9            47.61000000000001
-7.0            49.0
-7.1000000000000005            50.41000000000001
-7.2            51.84
-7.300000000000001            53.29000000000001
-7.4            54.760000000000005
-7.5            56.25
-7.6000000000000005            57.760000000000005
-7.7            59.290000000000006
-7.800000000000001            60.84000000000001
-7.9            62.410000000000004
diff --git a/language_learning/2021.05.10_parallel_calculations_using_sh_files/results/a5.txt b/language_learning/2021.05.10_parallel_calculations_using_sh_files/results/a5.txt
deleted file mode 100755
index 5953650..0000000
--- a/language_learning/2021.05.10_parallel_calculations_using_sh_files/results/a5.txt
+++ /dev/null
@@ -1,16 +0,0 @@
-8.0            64.0
-8.1            65.61
-8.200000000000001            67.24000000000002
-8.3            68.89000000000001
-8.4            70.56
-8.5            72.25
-8.6            73.96
-8.700000000000001            75.69000000000001
-8.8            77.44000000000001
-8.9            79.21000000000001
-9.0            81.0
-9.1            82.80999999999999
-9.200000000000001            84.64000000000001
-9.3            86.49000000000001
-9.4            88.36000000000001
-9.5            90.25
diff --git a/language_learning/2021.05.10_parallel_calculations_using_sh_files/results/a6.txt b/language_learning/2021.05.10_parallel_calculations_using_sh_files/results/a6.txt
deleted file mode 100755
index f674c18..0000000
--- a/language_learning/2021.05.10_parallel_calculations_using_sh_files/results/a6.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-9.600000000000001            92.16000000000003
-9.700000000000001            94.09000000000002
-9.8            96.04000000000002
-9.9            98.01
diff --git a/language_learning/2021.05.10_parallel_calculations_using_sh_files/results/combine.txt b/language_learning/2021.05.10_parallel_calculations_using_sh_files/results/combine.txt
deleted file mode 100755
index a686e5e..0000000
--- a/language_learning/2021.05.10_parallel_calculations_using_sh_files/results/combine.txt
+++ /dev/null
@@ -1,100 +0,0 @@
-0.0            0.0
-0.1            0.010000000000000002
-0.2            0.04000000000000001
-0.30000000000000004            0.09000000000000002
-0.4            0.16000000000000003
-0.5            0.25
-0.6000000000000001            0.3600000000000001
-0.7000000000000001            0.4900000000000001
-0.8            0.6400000000000001
-0.9            0.81
-1.0            1.0
-1.1            1.2100000000000002
-1.2000000000000002            1.4400000000000004
-1.3            1.6900000000000002
-1.4000000000000001            1.9600000000000004
-1.5            2.25
-1.6            2.5600000000000005
-1.7000000000000002            2.8900000000000006
-1.8            3.24
-1.9000000000000001            3.6100000000000003
-2.0            4.0
-2.1            4.41
-2.2            4.840000000000001
-2.3000000000000003            5.290000000000001
-2.4000000000000004            5.760000000000002
-2.5            6.25
-2.6            6.760000000000001
-2.7            7.290000000000001
-2.8000000000000003            7.840000000000002
-2.9000000000000004            8.410000000000002
-3.0            9.0
-3.1            9.610000000000001
-3.2            10.240000000000002
-3.3000000000000003            10.890000000000002
-3.4000000000000004            11.560000000000002
-3.5            12.25
-3.6            12.96
-3.7            13.690000000000001
-3.8000000000000003            14.440000000000001
-3.9000000000000004            15.210000000000003
-4.0            16.0
-4.1000000000000005            16.810000000000006
-4.2            17.64
-4.3            18.49
-4.4            19.360000000000003
-4.5            20.25
-4.6000000000000005            21.160000000000004
-4.7            22.090000000000003
-4.800000000000001            23.040000000000006
-4.9            24.010000000000005
-5.0            25.0
-5.1000000000000005            26.010000000000005
-5.2            27.040000000000003
-5.300000000000001            28.090000000000007
-5.4            29.160000000000004
-5.5            30.25
-5.6000000000000005            31.360000000000007
-5.7            32.49
-5.800000000000001            33.64000000000001
-5.9            34.81
-6.0            36.0
-6.1000000000000005            37.21000000000001
-6.2            38.440000000000005
-6.300000000000001            39.69000000000001
-6.4            40.96000000000001
-6.5            42.25
-6.6000000000000005            43.56000000000001
-6.7            44.89
-6.800000000000001            46.24000000000001
-6.9            47.61000000000001
-7.0            49.0
-7.1000000000000005            50.41000000000001
-7.2            51.84
-7.300000000000001            53.29000000000001
-7.4            54.760000000000005
-7.5            56.25
-7.6000000000000005            57.760000000000005
-7.7            59.290000000000006
-7.800000000000001            60.84000000000001
-7.9            62.410000000000004
-8.0            64.0
-8.1            65.61
-8.200000000000001            67.24000000000002
-8.3            68.89000000000001
-8.4            70.56
-8.5            72.25
-8.6            73.96
-8.700000000000001            75.69000000000001
-8.8            77.44000000000001
-8.9            79.21000000000001
-9.0            81.0
-9.1            82.80999999999999
-9.200000000000001            84.64000000000001
-9.3            86.49000000000001
-9.4            88.36000000000001
-9.5            90.25
-9.600000000000001            92.16000000000003
-9.700000000000001            94.09000000000002
-9.8            96.04000000000002
-9.9            98.01