27,6 → 27,8 |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
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#if (defined(ia32) || defined(amd64) || defined(ia64) || defined(ia32xen)) |
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#include <print.h> |
#include <debug.h> |
#include <panic.h> |
38,13 → 40,8 |
#include <arch.h> |
#include <arch/arch.h> |
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#ifdef CONFIG_BENCH |
#include <arch/cycle.h> |
#endif |
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#if (defined(ia32) || defined(amd64) || defined(ia64) || defined(ia32xen)) |
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#define THREADS 150*2 |
#define THREADS 150 |
#define ATTEMPTS 100 |
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#define E_10e8 271828182 |
52,33 → 49,60 |
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#ifdef KERN_ia32_ARCH_H_ |
static inline double sqrt(double x) { double v; __asm__ ("fsqrt\n" : "=t" (v) : "0" (x)); return v; } |
static inline double sqrt(double x) |
{ |
double v; |
|
asm ( |
"fsqrt\n" |
: "=t" (v) |
: "0" (x) |
); |
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return v; |
} |
#endif |
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#ifdef KERN_amd64_ARCH_H_ |
static inline double sqrt(double x) { double v; __asm__ ("fsqrt\n" : "=t" (v) : "0" (x)); return v; } |
static inline double sqrt(double x) |
{ |
double v; |
|
asm ( |
"fsqrt\n" |
: "=t" (v) |
: "0" (x) |
); |
|
return v; |
} |
#endif |
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#ifdef KERN_ia64_ARCH_H_ |
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#undef PI_10e8 |
#define PI_10e8 3141592 |
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static inline long double sqrt(long double a) |
{ |
long double x = 1; |
long double lx = 0; |
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if(a<0.00000000000000001) return 0; |
if (a < 0.00000000000000001) |
return 0; |
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while(x!=lx) |
{ |
while(x != lx) { |
lx=x; |
x=(x+(a/x))/2; |
} |
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return x; |
} |
#endif |
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|
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static atomic_t threads_ok; |
static atomic_t threads_fault; |
static waitq_t can_start; |
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static void e(void *data) |
100,23 → 124,17 |
e=e+1/d; |
} |
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if((int)(100000000*e)!=E_10e8) |
panic("tid%d: e*10e8=%zd should be %zd\n", THREAD->tid, (unative_t) (100000000*e),(unative_t) E_10e8); |
if ((int) (100000000 * e) != E_10e8) { |
printf("tid%d: e*10e8=%zd should be %zd\n", THREAD->tid, (unative_t) (100000000 * e), (unative_t) E_10e8); |
atomic_inc(&threads_fault); |
break; |
} |
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printf("tid%d: e*10e8=%zd should be %zd\n", THREAD->tid, (unative_t) (100000000*e),(unative_t) E_10e8); |
} |
atomic_inc(&threads_ok); |
} |
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static void pi(void *data) |
{ |
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#ifdef KERN_ia64_ARCH_H_ |
#undef PI_10e8 |
#define PI_10e8 3141592 |
#endif |
|
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int i; |
double lpi, pi; |
double n, ab, ad; |
125,7 → 143,6 |
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waitq_sleep(&can_start); |
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for (i = 0; i<ATTEMPTS; i++) { |
lpi = -1; |
pi = 0; |
141,39 → 158,47 |
} |
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#ifdef KERN_ia64_ARCH_H_ |
if((int)(1000000*pi)!=PI_10e8) |
panic("tid%d: pi*10e8=%zd should be %zd\n", THREAD->tid, (unative_t) (1000000*pi),(unative_t) (PI_10e8/100)); |
if ((int) (1000000 * pi) != PI_10e8) { |
printf("tid%d: pi*10e8=%zd should be %zd\n", THREAD->tid, (unative_t) (1000000 * pi), (unative_t) (PI_10e8 / 100)); |
atomic_inc(&threads_fault); |
break; |
} |
#else |
if((int)(100000000*pi)!=PI_10e8) |
panic("tid%d: pi*10e8=%zd should be %zd\n", THREAD->tid, (unative_t) (100000000*pi),(unative_t) PI_10e8); |
if ((int) (100000000 * pi) != PI_10e8) { |
printf("tid%d: pi*10e8=%zd should be %zd\n", THREAD->tid, (unative_t) (100000000 * pi), (unative_t) PI_10e8); |
atomic_inc(&threads_fault); |
break; |
} |
#endif |
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} |
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printf("tid%d: pi*10e8=%zd should be %zd\n", THREAD->tid, (unative_t) (100000000*pi),(unative_t) PI_10e8); |
atomic_inc(&threads_ok); |
} |
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void test_fpu1(void) |
char * test_fpu1(void) |
{ |
#ifdef CONFIG_BENCH |
uint64_t t0 = get_cycle(); |
#endif |
thread_t *t; |
int i; |
unsigned int i, total = 0; |
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waitq_initialize(&can_start); |
atomic_set(&threads_ok, 0); |
atomic_set(&threads_fault, 0); |
printf("Creating %d threads... ", 2 * THREADS); |
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printf("FPU test #1\n"); |
printf("Creating %d threads... ", THREADS); |
for (i = 0; i < THREADS; i++) { |
thread_t *t; |
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for (i=0; i<THREADS/2; i++) { |
if (!(t = thread_create(e, NULL, TASK, 0, "e"))) |
panic("could not create thread\n"); |
if (!(t = thread_create(e, NULL, TASK, 0, "e"))) { |
printf("could not create thread %d\n", 2 * i); |
break; |
} |
thread_ready(t); |
if (!(t = thread_create(pi, NULL, TASK, 0, "pi"))) |
panic("could not create thread\n"); |
total++; |
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if (!(t = thread_create(pi, NULL, TASK, 0, "pi"))) { |
printf("could not create thread %d\n", 2 * i + 1); |
break; |
} |
thread_ready(t); |
total++; |
} |
printf("ok\n"); |
|
180,21 → 205,15 |
thread_sleep(1); |
waitq_wakeup(&can_start, WAKEUP_ALL); |
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while (atomic_get(&threads_ok) != THREADS) |
; |
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printf("Test passed.\n"); |
#ifdef CONFIG_BENCH |
uint64_t dt = get_cycle() - t0; |
printf("Time: %.*d cycles\n", sizeof(dt) * 2, dt); |
#endif |
while (atomic_get(&threads_ok) != total) { |
printf("Threads left: %d\n", total - atomic_get(&threads_ok)); |
thread_sleep(1); |
} |
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#else |
if (atomic_get(&threads_fault) == 0) |
return NULL; |
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void test_fpu1(void) |
{ |
printf("This test is available only on Intel/AMD platforms."); |
return "Test failed"; |
} |
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#endif |