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added benchmark

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This commit is contained in:
overflowerror 2019-01-21 13:46:52 +01:00
parent 18d7e80d42
commit 9822208d98
3 changed files with 32 additions and 2 deletions
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3
.gitignore vendored
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@ -51,5 +51,6 @@ Module.symvers
Mkfile.old Mkfile.old
dkms.conf dkms.conf
# Executable # Executables
F6jigYck4v F6jigYck4v
benchmark

4
Makefile
View file

@ -1,7 +1,9 @@
all: F6jigYck4v all: F6jigYck4v
benchmark: main.c
gcc -lm -DBENCHMARK -o $@ $<
F6jigYck4v: main.c F6jigYck4v: main.c
gcc -lm -o $@ $< gcc -lm -o $@ $<

27
main.c
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@ -5,6 +5,7 @@
#include <stdbool.h> #include <stdbool.h>
#include <stdint.h> #include <stdint.h>
#include <unistd.h> #include <unistd.h>
#include <time.h>
typedef __uint128_t uint128_t; typedef __uint128_t uint128_t;
@ -186,16 +187,42 @@ settings_t getSettings() {
} }
void toString(char* string, unsigned long long value, settings_t settings) { void toString(char* string, unsigned long long value, settings_t settings) {
#ifdef BENCHMARK
struct timespec before, after;
clock_gettime(CLOCK_MONOTONIC, &before);
#endif
value = encode(value, settings.prime, settings.max); value = encode(value, settings.prime, settings.max);
verbose("encoded: %llu\n", value); verbose("encoded: %llu\n", value);
convertToString(string, value); convertToString(string, value);
#ifdef BENCHMARK
clock_gettime(CLOCK_MONOTONIC, &after);
unsigned long long diff = (int64_t)(after.tv_sec - before.tv_sec) * (int64_t) 1000000000UL + (int64_t)(after.tv_nsec - before.tv_nsec);
fprintf(stderr, "Time for conversion: %llu ns\n", diff);
#endif
} }
unsigned long long fromString(const char* string, settings_t settings) { unsigned long long fromString(const char* string, settings_t settings) {
#ifdef BENCHMARK
struct timespec before, after;
clock_gettime(CLOCK_MONOTONIC, &before);
#endif
verbose("test\n"); verbose("test\n");
unsigned long long result = convertFromString(string); unsigned long long result = convertFromString(string);
verbose("encoded: %llu\n", result); verbose("encoded: %llu\n", result);
result = decode(result, settings.prime, settings.max); result = decode(result, settings.prime, settings.max);
#ifdef BENCHMARK
clock_gettime(CLOCK_MONOTONIC, &after);
unsigned long long diff = (int64_t)(after.tv_sec - before.tv_sec) * (int64_t) 1000000000UL + (int64_t)(after.tv_nsec - before.tv_nsec);
fprintf(stderr, "Time for conversion: %llu ns\n", diff);
#endif
return result; return result;
} }