Wydanie R2020.05.1

fibb_tsc/Makefile

@@ -0,0 +1,13 @@
+all: fibb_32 fibb_64 second
+
+fibb_32: fibb_c.c fibb32.s timestamp32.s
+	gcc -m32 fibb32.s timestamp32.s fibb_c.c -o fibb_32
+
+fibb_64: fibb_c.c fibb64.s timestamp64.s
+	gcc -no-pie fibb64.s timestamp64.s fibb_c.c -o fibb_64
+
+second: second.c timestamp32.s
+	gcc -m32 timestamp32.s second.c -o second
+
+clean:
+	rm fibb_32 fibb_64 second

fibb_tsc/fibb32.s

@@ -0,0 +1,43 @@
+# Jan Potocki 2020
+
+.global fibb
+
+# Segment kodu
+.text
+
+fibb:
+push %ebp
+mov %esp, %ebp
+push %ebx
+
+cmpl $0, 8(%ebp)
+je zero
+
+cmpl $1, 8(%ebp)
+je jeden
+
+movl 8(%ebp), %edx
+dec %edx
+push %edx
+call fibb
+pop %edx
+mov %eax, %ebx
+
+dec %edx
+push %edx
+call fibb
+add $4, %esp
+add %ebx, %eax
+jmp wyjscie
+
+zero:
+mov $0, %eax
+jmp wyjscie
+
+jeden:
+mov $1, %eax
+
+wyjscie:
+pop %ebx
+pop %ebp
+ret

fibb_tsc/fibb64.s

@@ -0,0 +1,40 @@
+# Jan Potocki 2020
+
+.global fibb
+
+# Segment kodu
+.text
+
+fibb:
+push %rbp
+mov %rsp, %rbp
+push %rbx
+
+cmp $0, %rdi
+je zero
+
+cmp $1, %rdi
+je jeden
+
+dec %rdi
+push %rdi
+call fibb
+pop %rdi
+mov %rax, %rbx
+
+dec %rdi
+call fibb
+add %rbx, %rax
+jmp wyjscie
+
+zero:
+mov $0, %rax
+jmp wyjscie
+
+jeden:
+mov $1, %rax
+
+wyjscie:
+pop %rbx
+pop %rbp
+ret

fibb_tsc/fibb_c.c

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+#include <stdio.h>
+
+unsigned long fibb(unsigned long n);
+unsigned long long timestamp();
+
+int main()
+{
+    unsigned long term, result;
+    unsigned long long tstamp1, tstamp2;
+    
+    scanf("%lu", &term);
+    
+    tstamp1 = timestamp();
+    result = fibb(term);
+    tstamp2 = timestamp();
+    
+    printf("%lu\n", result);
+    printf("Cycles: %llu\n", tstamp2-tstamp1);
+    
+    return 0;
+}

fibb_tsc/second.c

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+#include <stdio.h>
+#include <unistd.h>
+
+// Jan Potocki 2020
+
+unsigned long long timestamp();
+
+
+int main()
+{
+    unsigned long long tstamp1, tstamp2;
+    
+    tstamp1 = timestamp();
+    sleep(1);
+    tstamp2 = timestamp();
+    
+    printf("Cycles: %llu\n", tstamp2 - tstamp1);
+    
+    return 0;
+}

fibb_tsc/timestamp32.s

@@ -0,0 +1,13 @@
+# Jan Potocki 2020
+
+.global timestamp
+
+# Segment kodu
+.text
+
+timestamp:
+xor %eax, %eax
+cpuid
+rdtsc
+
+ret

fibb_tsc/timestamp64.s

@@ -0,0 +1,16 @@
+# Jan Potocki 2020
+
+.global timestamp
+
+# Segment kodu
+.text
+
+timestamp:
+xor %rax, %rax
+cpuid
+rdtsc
+
+shl $32, %rdx
+or %rdx, %rax
+
+ret