mirror of
git://git.psyced.org/git/psyclpc
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366 lines
11 KiB
C
366 lines
11 KiB
C
//===========================================================================
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// Dhrystone-2.1 Benchmark for LPC
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//
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// Don't take this too serious :-) Sven C. Dack
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//===========================================================================
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#define Default_Number_Of_Runs 10000
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#pragma strong_types
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//===========================================================================
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// Support functions to simulate memory allocation and other stuff..
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mixed *alloc_array_50() { return allocate(50); }
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mixed *alloc_array_50_50() {
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mixed *arr;
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int i;
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for (i = 50, arr = allocate(50); i--; arr[i] = allocate(50));
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return arr;
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}
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mapping alloc_record() {
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return ([ "Ptr_Comp": 0, "Discr": 0, "var_1": ({ 0, 0, "" }) ]);
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}
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mapping copy_record(mapping rec) {
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mapping r;
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r = copy(rec);
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r["var_1"] = ({}) + rec["var_1"];
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return r;
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}
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int times() {
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int *ru;
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ru = rusage();
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return ru[0] + ru[1];
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}
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//===========================================================================
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// The global variables.
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#define Ident_1 0
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#define Ident_2 1
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#define Ident_3 2
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#define Ident_4 3
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#define Ident_5 4
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#define Enum_Comp 0
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#define Int_Comp 1
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#define Str_Comp 2
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mapping Ptr_Glob, Next_Ptr_Glob;
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int Int_Glob;
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int Bool_Glob;
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int Ch_1_Glob, Ch_2_Glob;
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mixed *Arr_1_Glob;
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mixed *Arr_2_Glob;
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int Begin_Time, End_Time, User_Time;
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float Milliseconds, Dhrystones_Per_Second;
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//===========================================================================
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// Prototypes all functions (including those defined later).
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void Proc_1(mapping m1);
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void Proc_2(int i1);
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void Proc_3(mapping m1);
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void Proc_4();
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void Proc_5();
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void Proc_6(int i1, int i2);
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void Proc_7(int i1, int i2, int i3);
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void Proc_8(mixed *a1, mixed *a2, int i1, int i2);
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int Func_1(int i1, int i2);
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int Func_2(string s1, string s2);
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int Func_3(int i1);
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//===========================================================================
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float main(int Number_Of_Runs, int silent) {
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int Int_1_Loc, Int_2_Loc, Int_3_Loc;
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int Ch_Index;
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int Enum_Loc;
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string Str_1_Loc, Str_2_Loc;
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int Run_Index;
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if (Number_Of_Runs <= 0)
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Number_Of_Runs = Default_Number_Of_Runs;
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Arr_1_Glob = alloc_array_50();
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Arr_2_Glob = alloc_array_50_50();
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Str_1_Loc = "";
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Str_2_Loc = "";
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Next_Ptr_Glob = alloc_record();
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Ptr_Glob = alloc_record();
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Ptr_Glob["Ptr_Comp"] = Next_Ptr_Glob;
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Ptr_Glob["Discr"] = Ident_1;
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Ptr_Glob["var_1"][Enum_Comp] = Ident_3;
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Ptr_Glob["var_1"][Int_Comp] = 40;
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Ptr_Glob["var_1"][Str_Comp] = "DHRYSTONE PROGRAM, SOME STRING";
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Str_1_Loc = "DHRYSTONE PROGRAM, 1'ST STRING";
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Arr_2_Glob[8][7] = 10;
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if (!silent)
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{
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write("Dhrystone Benchmark, Version 2.1 (Language: LPC)\n");
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write("Execution starts, " + Number_Of_Runs + " runs through Dhrystone\n");
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}
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Begin_Time = times();
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for (Run_Index = 1; Run_Index <= Number_Of_Runs; ++Run_Index) {
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Proc_5();
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Proc_4();
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Int_1_Loc = 2;
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Int_2_Loc = 3;
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Str_2_Loc = "DHRYSTONE PROGRAM, 2'ND STRING";
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Enum_Loc = Ident_2;
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Bool_Glob = !Func_2(Str_1_Loc, Str_2_Loc);
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while (Int_1_Loc < Int_2_Loc) {
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Int_3_Loc = 5 * Int_1_Loc - Int_2_Loc;
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Proc_7(Int_1_Loc, Int_2_Loc, &Int_3_Loc);
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Int_1_Loc += 1;
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}
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Proc_8(Arr_1_Glob, Arr_2_Glob, Int_1_Loc, Int_3_Loc);
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Proc_1(Ptr_Glob);
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for (Ch_Index = 'A'; Ch_Index <= Ch_2_Glob; ++Ch_Index) {
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if (Enum_Loc == Func_1(Ch_Index, 'C')) {
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Proc_6(Ident_1, &Enum_Loc);
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Str_2_Loc = "DHRYSTONE PROGRAM, 3'RD STRING";
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Int_2_Loc = Run_Index;
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Int_Glob = Run_Index;
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}
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}
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Int_2_Loc = Int_2_Loc * Int_1_Loc;
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Int_1_Loc = Int_2_Loc / Int_3_Loc;
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Int_2_Loc = 7 * (Int_2_Loc - Int_3_Loc) - Int_1_Loc;
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Proc_2(&Int_1_Loc);
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}
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End_Time = times();
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if (!silent)
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{
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write("Execution ends.\n");
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write("Final values of the variables used in the benchmark:\n\n");
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printf("Int_Glob: %d\n", Int_Glob);
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printf(" should be: %d\n", 5);
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printf("Bool_Glob: %d\n", Bool_Glob);
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printf(" should be: %d\n", 1);
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printf("Ch_1_Glob: %c\n", Ch_1_Glob);
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printf(" should be: %c\n", 'A');
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printf("Ch_2_Glob: %c\n", Ch_2_Glob);
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printf(" should be: %c\n", 'B');
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printf("Arr_1_Glob[8]: %d\n", Arr_1_Glob[8]);
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printf(" should be: %d\n", 7);
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printf("Arr_2_Glob[8][7]: %d\n", Arr_2_Glob[8][7]);
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printf(" should be: Number_Of_Runs + 10\n");
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#if 0
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printf("Ptr_Glob->\n");
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printf(" Ptr_Comp: %O\n", Ptr_Glob["Ptr_Comp"]);
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printf(" should be: (implementation-dependent)\n");
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#endif
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printf(" Discr: %d\n", Ptr_Glob["Discr"]);
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printf(" should be: %d\n", 0);
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printf(" Enum_Comp: %d\n", Ptr_Glob["var_1"][Enum_Comp]);
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printf(" should be: %d\n", 2);
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printf(" Int_Comp: %d\n", Ptr_Glob["var_1"][Int_Comp]);
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printf(" should be: %d\n", 17);
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printf(" Str_Comp: %s\n", Ptr_Glob["var_1"][Str_Comp]);
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printf(" should be: DHRYSTONE PROGRAM, SOME STRING\n");
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#if 0
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printf("Next_Ptr_Glob->\n");
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printf(" Ptr_Comp: %O\n", Next_Ptr_Glob["Ptr_Comp"]);
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printf(" should be: (implementation-dependent), same as above\n");
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#endif
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printf(" Discr: %d\n", Next_Ptr_Glob["Discr"]);
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printf(" should be: %d\n", 0);
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printf(" Enum_Comp: %d\n", Next_Ptr_Glob["var_1"][Enum_Comp]);
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printf(" should be: %d\n", 1);
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printf(" Int_Comp: %d\n", Next_Ptr_Glob["var_1"][Int_Comp]);
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printf(" should be: %d\n", 18);
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printf(" Str_Comp: %s\n", Next_Ptr_Glob["var_1"][Str_Comp]);
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printf(" should be: DHRYSTONE PROGRAM, SOME STRING\n");
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printf("Int_1_Loc: %d\n", Int_1_Loc);
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printf(" should be: %d\n", 5);
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printf("Int_2_Loc: %d\n", Int_2_Loc);
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printf(" should be: %d\n", 13);
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printf("Int_3_Loc: %d\n", Int_3_Loc);
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printf(" should be: %d\n", 7);
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printf("Enum_Loc: %d\n", Enum_Loc);
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printf(" should be: %d\n", 1);
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printf("Str_1_Loc: %s\n", Str_1_Loc);
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printf(" should be: DHRYSTONE PROGRAM, 1'ST STRING\n");
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printf("Str_2_Loc: %s\n", Str_2_Loc);
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printf(" should be: DHRYSTONE PROGRAM, 2'ND STRING\n");
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printf("\n");
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}
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User_Time = End_Time - Begin_Time;
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if (User_Time <= 0) {
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if (!silent) {
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printf("Your rusage() doesn't seem to work: User_Time is %d.\n", User_Time);
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write("\n");
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}
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} else if (User_Time < (2*100)) {
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if (!silent) {
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write("Measured time too small to obtain meaningful results\n");
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write("Please increase number of runs\n");
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write("\n");
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}
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} else {
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Milliseconds = to_float(User_Time) / Number_Of_Runs;
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Dhrystones_Per_Second = 1000.0 * Number_Of_Runs / User_Time;
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if (!silent) {
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printf ("Milliseconds for one run through Dhrystone: ");
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printf ("%6.1f \n", Milliseconds);
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printf ("Dhrystones per Second: ");
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printf ("%6.1f \n", Dhrystones_Per_Second);
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}
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}
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return Dhrystones_Per_Second;
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}
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void Proc_1(mapping Ptr_Val_Par) {
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mapping Next_Record;
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Next_Record = Ptr_Val_Par["Ptr_Comp"];
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Ptr_Val_Par["Ptr_Comp"] = copy_record(Ptr_Glob);
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Ptr_Val_Par["var_1"][Int_Comp] = 5;
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Next_Record["var_1"][Str_Comp] = Ptr_Val_Par["var_1"][Str_Comp];
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Next_Record["var_1"][Int_Comp] = Ptr_Val_Par["var_1"][Int_Comp];
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Next_Record["Ptr_Comp"] = Ptr_Val_Par["Ptr_Comp"];
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Proc_3(&(Next_Record["Ptr_Comp"]));
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if (Next_Record["Discr"] == Ident_1) {
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Next_Record["var_1"][Int_Comp] = 6;
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Proc_6( Ptr_Val_Par["var_1"][Enum_Comp],
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&(Next_Record["var_1"][Enum_Comp]));
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Next_Record["Ptr_Comp"] = Ptr_Glob["Ptr_Comp"];
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Proc_7( Next_Record["var_1"][Int_Comp], 10,
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&(Next_Record["var_1"][Int_Comp]));
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} else
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Ptr_Val_Par = copy_record(Ptr_Val_Par["Ptr_Comp"]);
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}
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void Proc_2(int Int_Par_Ref) {
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int Int_Loc, Enum_Loc;
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Int_Loc = Int_Par_Ref + 10;
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do
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if (Ch_1_Glob == 'A') {
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Int_Loc -= 1;
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Int_Par_Ref = Int_Loc - Int_Glob;
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Enum_Loc = Ident_1;
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} while (Enum_Loc != Ident_1);
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}
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void Proc_3(mapping Ptr_Ref_Par) {
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if (Ptr_Glob != 0)
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Ptr_Ref_Par = Ptr_Glob["Ptr_Comp"];
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Proc_7(10, Int_Glob, &(Ptr_Glob["var_1"][Int_Comp]));
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}
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void Proc_4() {
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int Bool_Loc;
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Bool_Loc = Ch_1_Glob == 'A';
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Bool_Glob = Bool_Loc | Bool_Glob;
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Ch_2_Glob = 'B';
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}
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void Proc_5() {
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Ch_1_Glob = 'A';
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Bool_Glob = 0 ;
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}
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void Proc_6(int Enum_Val_Par, int Enum_Ref_Par) {
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Enum_Ref_Par = Enum_Val_Par;
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if (!Func_3(Enum_Val_Par))
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Enum_Ref_Par = Ident_4;
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switch (Enum_Val_Par) {
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case Ident_1:
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Enum_Ref_Par = Ident_1;
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break;
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case Ident_2:
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if (Int_Glob > 100)
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Enum_Ref_Par = Ident_1;
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else
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Enum_Ref_Par = Ident_4;
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break;
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case Ident_3:
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Enum_Ref_Par = Ident_2;
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break;
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case Ident_4:
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break;
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case Ident_5:
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Enum_Ref_Par = Ident_3;
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break;
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}
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}
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void Proc_7(int Int_1_Par_Val, int Int_2_Par_Val, int Int_Par_Ref) {
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int Int_Loc;
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Int_Loc = Int_1_Par_Val + 2;
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Int_Par_Ref = Int_2_Par_Val + Int_Loc;
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}
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void Proc_8 (mixed *Arr_1_Par_Ref, mixed *Arr_2_Par_Ref,
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int Int_1_Par_Val, int Int_2_Par_Val) {
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int Int_Index, Int_Loc;
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Int_Loc = Int_1_Par_Val + 5;
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Arr_1_Par_Ref[Int_Loc] = Int_2_Par_Val;
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Arr_1_Par_Ref[Int_Loc + 1] = Arr_1_Par_Ref[Int_Loc];
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Arr_1_Par_Ref[Int_Loc + 30] = Int_Loc;
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for (Int_Index = Int_Loc; Int_Index <= Int_Loc + 1; ++Int_Index)
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Arr_2_Par_Ref[Int_Loc][Int_Index] = Int_Loc;
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Arr_2_Par_Ref[Int_Loc][Int_Loc - 1] += 1;
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Arr_2_Par_Ref[Int_Loc + 20][Int_Loc] = Arr_1_Par_Ref[Int_Loc];
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Int_Glob = 5;
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}
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int Func_1(int Ch_1_Par_Val, int Ch_2_Par_Val) {
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int Ch_1_Loc, Ch_2_Loc;
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Ch_1_Loc = Ch_1_Par_Val;
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Ch_2_Loc = Ch_1_Loc;
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if (Ch_2_Loc != Ch_2_Par_Val)
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return Ident_1;
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else {
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Ch_1_Glob = Ch_1_Loc;
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return Ident_2;
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}
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}
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int Func_2(string Str_1_Par_Ref, string Str_2_Par_Ref) {
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int Int_Loc, Ch_Loc;
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Int_Loc = 2;
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while (Int_Loc <= 2)
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if (Func_1(Str_1_Par_Ref[Int_Loc], Str_2_Par_Ref[Int_Loc + 1]) == Ident_1) {
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Ch_Loc = 'A';
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Int_Loc += 1;
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}
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if (Ch_Loc >= 'W' && Ch_Loc < 'Z')
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Int_Loc = 7;
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if (Ch_Loc == 'R')
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return 1;
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else {
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if (Str_1_Par_Ref > Str_2_Par_Ref) {
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Int_Loc += 7;
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Int_Glob = Int_Loc;
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return 1;
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} else
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return 0;
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}
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}
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int Func_3(int Enum_Par_Val) {
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int Enum_Loc;
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Enum_Loc = Enum_Par_Val;
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if (Enum_Loc == Ident_3)
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return 1;
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else
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return 0;
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}
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