[6_2] Migrate tm_timer

Co-authored-by: 沈浪熊猫儿 <[email protected]>

System/Classes/tm_timer.cpp

@@ -0,0 +1,123 @@
+
+/******************************************************************************
+ * MODULE     : timer.cpp
+ * DESCRIPTION: timers
+ * COPYRIGHT  : (C) 1999  Joris van der Hoeven
+ *******************************************************************************
+ * This software falls under the GNU general public license version 3 or later.
+ * It comes WITHOUT ANY WARRANTY WHATSOEVER. For details, see the file LICENSE
+ * in the root directory or <http://www.gnu.org/licenses/gpl-3.0.html>.
+ ******************************************************************************/
+
+#include "tm_timer.hpp"
+#include "basic.hpp"
+#include "iterator.hpp"
+#include "merge_sort.hpp"
+#include "tm_ostream.hpp"
+
+static hashmap<string, int> timing_level (0);
+static hashmap<string, int> timing_nr (0);
+static hashmap<string, int> timing_cumul (0);
+static hashmap<string, int> timing_last (0);
+
+/******************************************************************************
+ * Getting the time
+ ******************************************************************************/
+
+time_t
+raw_time () {
+#ifdef HAVE_GETTIMEOFDAY
+  struct timeval tp;
+  gettimeofday (&tp, NULL);
+  return (time_t) ((tp.tv_sec * 1000) + (tp.tv_usec / 1000));
+#else
+  timeb tb;
+  ftime (&tb);
+  return (time_t) ((tb.time * 1000) + tb.millitm);
+#endif
+}
+
+static time_t start_time= raw_time ();
+
+time_t
+texmacs_time () {
+#ifdef HAVE_GETTIMEOFDAY
+  struct timeval tp;
+  gettimeofday (&tp, NULL);
+  return ((time_t) ((tp.tv_sec * 1000) + (tp.tv_usec / 1000))) - start_time;
+#else
+  timeb tb;
+  ftime (&tb);
+  return ((time_t) ((tb.time * 1000) + tb.millitm)) - start_time;
+#endif
+}
+
+/******************************************************************************
+ * Routines for benchmarking
+ ******************************************************************************/
+
+void
+bench_start (string task) {
+  // start timer for a given type of task
+  if (timing_level[task] == 0) timing_last (task)= (int) texmacs_time ();
+  timing_level (task)++;
+}
+
+void
+bench_cumul (string task) {
+  // end timer for a given type of task, but don't reset timer
+  timing_level (task)--;
+  if (timing_level[task] == 0) {
+    int ms= ((int) texmacs_time ()) - timing_last (task);
+    timing_nr (task)++;
+    timing_cumul (task)+= ms;
+    timing_last->reset (task);
+  }
+}
+
+void
+bench_end (tm_ostream ostream, string task) {
+  // end timer for a given type of task, print result and reset timer
+  bench_cumul (task);
+  bench_print (ostream, task);
+  bench_reset (task);
+}
+
+void
+bench_reset (string task) {
+  // reset timer for a given type of task
+  timing_level->reset (task);
+  timing_nr->reset (task);
+  timing_cumul->reset (task);
+  timing_last->reset (task);
+}
+
+void
+bench_print (tm_ostream ostream, string task) {
+  // print timing for a given type of task
+  if (DEBUG_BENCH) {
+    int nr= timing_nr[task];
+    ostream << "Task '" << task << "' took " << timing_cumul[task] << " ms";
+    if (nr > 1) ostream << " (" << nr << " invocations)";
+    ostream << LF;
+  }
+}
+
+static array<string>
+collect (hashmap<string, int> h) {
+  array<string>    a;
+  iterator<string> it= iterate (h);
+  while (it->busy ())
+    a << it->next ();
+  merge_sort (a);
+  return a;
+}
+
+void
+bench_print (tm_ostream ostream) {
+  // print timings for all types of tasks
+  array<string> a= collect (timing_cumul);
+  int           i, n= N (a);
+  for (i= 0; i < n; i++)
+    bench_print (ostream, a[i]);
+}

System/Classes/tm_timer.hpp

@@ -0,0 +1,52 @@
+
+/******************************************************************************
+ * MODULE     : tm_timer.hpp
+ * DESCRIPTION: timers
+ * COPYRIGHT  : (C) 1999  Joris van der Hoeven
+ *******************************************************************************
+ * This software falls under the GNU general public license version 3 or later.
+ * It comes WITHOUT ANY WARRANTY WHATSOEVER. For details, see the file LICENSE
+ * in the root directory or <http://www.gnu.org/licenses/gpl-3.0.html>.
+ ******************************************************************************/
+
+#ifndef TIMER_H
+#define TIMER_H
+
+#include "string.hpp"
+#include "tm_ostream.hpp"
+
+#ifndef __FreeBSD__
+#ifndef HAVE_TIME_T
+#define HAVE_TIME_T
+typedef long time_t;
+#endif
+#else
+#include <time.h>
+#endif
+
+#ifdef OS_SUN
+#include <sys/types.h>
+#endif
+
+#ifdef HAVE_GETTIMEOFDAY
+#include <sys/time.h>
+#else
+#include <sys/timeb.h>
+#ifdef OS_SUN
+extern "C" {
+extern int ftime __P ((struct timeb * __timebuf));
+};
+#endif
+#endif
+
+time_t raw_time ();
+time_t texmacs_time ();
+
+void bench_start (string task);
+void bench_cumul (string task);
+void bench_end (tm_ostream ostream, string task);
+void bench_reset (string task);
+void bench_print (tm_ostream ostream, string task);
+void bench_print (tm_ostream ostream);
+
+#endif // defined TIMER_H

System/config_l1.h.xmake

@@ -1,6 +1,8 @@
 ${define HAVE_INTPTR_T}
 ${define HAVE_STDINT_H}
 ${define HAVE_INTTYPES_H}
+${define HAVE_TIME_T}
+${define HAVE_GETTIMEOFDAY}
 
 #ifdef HAVE_INTPTR_T
 #ifdef HAVE_INTTYPES_H

xmake.lua

@@ -6,13 +6,16 @@ set_languages("c++17")
 
 includes("check_cxxtypes.lua")
 configvar_check_cxxtypes("HAVE_INTPTR_T", "intptr_t", {includes = {"memory"}})
+configvar_check_cxxtypes("HAVE_TIME_T", "time_t", {includes = {"memory"}})
 
 includes("check_cxxincludes.lua")
 configvar_check_cxxincludes("HAVE_STDLIB_H", "stdlib.h")
 configvar_check_cxxincludes("HAVE_STDINT_H", "stdint.h")
 configvar_check_cxxincludes("HAVE_INTTYPES_H", "inttypes.h")
 
 includes("check_cxxfuncs.lua")
+configvar_check_cxxfuncs("HAVE_GETTIMEOFDAY", "gettimeofday", {includes={"sys/time.h"}})
+
 includes("check_cxxsnippets.lua")
 configvar_check_cxxsnippets(
     "CONFIG_LARGE_POINTER", [[
@@ -40,13 +43,14 @@ local l1_files = {
     "Data/String/**.cpp",
 }
 local l1_includedirs = {
-    "System/IO",
-    "System/Memory",
     "Kernel/Abstractions",
     "Kernel/Algorithms",
     "Kernel/Containers",
     "Kernel/Types",
     "Data/String",
+    "System/Classes",
+    "System/IO",
+    "System/Memory",
 }
 
 target("liblolly") do
@@ -90,6 +94,7 @@ target("liblolly") do
     add_headerfiles("Kernel/Containers/(*hpp)")
     add_headerfiles("Kernel/Containers/(*.ipp)")
     add_headerfiles("Kernel/Types/(*hpp)")
+    add_headerfiles("System/Classes/(*hpp)")
     add_headerfiles("System/IO/(*hpp)")
     add_headerfiles("System/Memory/(*hpp)")
     add_headerfiles("Data/String/(*.hpp)")
@@ -159,4 +164,4 @@ if is_mode("profile") then
     set_symbols("debug")
     add_cxflags("-pg")
     add_ldflags("-pg")
-end
+end