Changeset 6405 for trunk/src

Timestamp:

Jul 30, 2001, 3:56:28 AM (24 years ago)

Author:

bird

Message:

More coding. Results.

File:

• trunk/src/win32k/test/PrfTstProcess.c (modified) (5 diffs)

trunk/src/win32k/test/PrfTstProcess.c

@@ -1 @@
-/* $Id: PrfTstProcess.c,v 1.1 2001-07-30 00:43:19 bird Exp $
+/* $Id: PrfTstProcess.c,v 1.2 2001-07-30 01:56:28 bird Exp $
  *
  * Test program which checks how long it takes to execute another
@@ -9 +9 @@
  *
  */
+
+/** @design Process Startup and Termination cost.
+ *
+ * The purpose is to compare the cost of creating a child process on different
+ * platforms; revealing which is the best ones...
+ *
+ * Later analysis on why will be done I hope...
+ *
+ *
+ * @subsection Test Results
+ *
+ *  Linux version 2.4.5 (SMP) Pentium III 700Mhz- GCC:
+ *   0.001845 - 0.001845 sec (pid=193c)
+ *   0.001832 - 0.001832 sec (pid=193e)
+ *   0.001792 - 0.001792 sec (pid=1940)
+ *   0.001899 - 0.001899 sec (pid=1942)
+ *
+ *  OS/2 WS4eB 4.5 FP 2 (SMP) Pentium III 600Mhz - Watcom -Otx:
+ *   5150.000000 - 0.004316 sec (pid=0)
+ *   5175.000000 - 0.004337 sec (pid=0)
+ *   5143.000000 - 0.004310 sec (pid=0)
+ *   5181.000000 - 0.004342 sec (pid=0)
+ *
+ *  OS/2 WS4eB 4.5 FP 2 (SMP) Pentium III 600Mhz - Watcom (no optimization):
+ *   5510.000000 - 0.004618 sec (pid=0)
+ *   5500.000000 - 0.004610 sec (pid=0)
+ *   5489.000000 - 0.004600 sec (pid=0)
+ *   5551.000000 - 0.004652 sec (pid=0)
+ *
+ *  OS/2 WS4eB 4.5 FP 2 (SMP) Pentium III 600Mhz - VAC308:
+ *   6490.000000 - 0.005439 sec (pid=0)
+ *   6465.000000 - 0.005418 sec (pid=0)
+ *   6501.000000 - 0.005449 sec (pid=0)
+ *   6496.000000 - 0.005444 sec (pid=0)
+ *
+ *  OS/2 WS4eB 4.5 FP 2 (SMP) Pentium III 600Mhz - VAC365:
+ *   6743.000000 - 0.005651 sec (pid=0)
+ *   6694.000000 - 0.005610 sec (pid=0)
+ *   6705.000000 - 0.005619 sec (pid=0)
+ *   7025.000000 - 0.005888 sec (pid=0)
+ *
+ *  OS/2 WS4eB 4.5 FP 2 (SMP) Pentium III 600Mhz - EMX -D__OS2__:
+ *   15339.000000 - 0.012856 sec (pid=0)
+ *   15507.000000 - 0.012997 sec (pid=0)
+ *   15224.000000 - 0.012759 sec (pid=0)
+ *   15714.000000 - 0.013170 sec (pid=0)
+ *
+ *  OS/2 WS4eB 4.5 FP 2 (SMP) Pentium III 600Mhz - EMX -D__OS2__ -D__NOTPC__:
+ *   31992.000000 - 0.026813 sec (pid=1c7f)
+ *   32300.000000 - 0.027071 sec (pid=1c82)
+ *   31699.000000 - 0.026567 sec (pid=1c85)
+ *   33570.000000 - 0.028135 sec (pid=1c88)
+ *
+ */
+
 #include <stdio.h>
-#include <sys\time.h>
+#include <sys/time.h>
+#ifndef __NOTPC__
 #include <process.h>
-
+#endif
 
 #ifdef __OS2__
-#define INCL_DOSMISC
 #define INCL_DOSPROFILE
 #include <os2.h>
@@ -21 +76 @@
 long double gettime(void)
 {
-#if 0
-    ULONG ul = 0;
-    DosQuerySysInfo(QSV_MS_COUNT, QSV_MS_COUNT, &ul, sizeof(ul));
-#else
     QWORD   qw;
     DosTmrQueryTime(&qw);
     return (long double)qw.ulHi * (4294967296.00) + qw.ulLo;
-#endif
 }
 
 unsigned getHz(void)
 {
-#if 0
-    return 1000;
-#else
     ULONG ul = -1;
     DosTmrQueryFreq(&ul);
     return ul;
-#endif
 }
+
+
+#elif defined(__WINNT__)
+/*
+ * Windows
+ */
+unsigned long __stdcall GetTickCount(void);
+
+long double gettime(void)
+{
+    return (long double)GetTickCount();
+}
+
+unsigned getHz(void)
+{
+    return 1000;
+}
+
 
 #else
@@ -64 +128 @@
 int main(int argc, char **argv)
 {
-    long double  rdStart;
-    long double  rdEnd;
-    int     pid;
-    #ifndef UNIX
-    #else
-    int     status;
+    long double rdStart;
+    long double rdEnd;
+    int         pid;
+    #ifdef __NOTPC__
+    int         status;
     #endif
 
@@ -82 +145 @@
      */
     rdStart = gettime();
-    #ifndef UNIX
-    pid = spawnl(P_WAIT, argv[0], argv[0], "child", NULL);
+    #ifndef __NOTPC__
+    pid = spawnl(P_WAIT, argv[0], argv[0], "child", NULL); /* pid == 0 on success */
     #else
     pid = fork();