/trunk/kernel/test/fpu/fpu1.c |
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File deleted |
/trunk/kernel/test/fpu/fpu1_ia64.c |
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0,0 → 1,179 |
/* |
* Copyright (c) 2005 Jakub Vana |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <print.h> |
#include <debug.h> |
#include <test.h> |
#include <atomic.h> |
#include <proc/thread.h> |
#include <arch.h> |
#include <arch/arch.h> |
#define THREADS 150 |
#define ATTEMPTS 100 |
#define E_10e8 271828182 |
#define PI_10e8 3141592 |
static inline long double sqrt(long double a) |
{ |
long double x = 1; |
long double lx = 0; |
if (a < 0.00000000000000001) |
return 0; |
while (x != lx) { |
lx = x; |
x = (x + (a / x)) / 2; |
} |
return x; |
} |
static atomic_t threads_ok; |
static atomic_t threads_fault; |
static waitq_t can_start; |
static bool sh_quiet; |
static void e(void *data) |
{ |
int i; |
double e, d, le, f; |
thread_detach(THREAD); |
waitq_sleep(&can_start); |
for (i = 0; i<ATTEMPTS; i++) { |
le = -1; |
e = 0; |
f = 1; |
for (d = 1; e != le; d *= f, f += 1) { |
le = e; |
e = e + 1 / d; |
} |
if ((int) (100000000 * e) != E_10e8) { |
if (!sh_quiet) |
printf("tid%" PRIu64 ": e*10e8=%zd should be %" PRIun "\n", THREAD->tid, (unative_t) (100000000 * e), (unative_t) E_10e8); |
atomic_inc(&threads_fault); |
break; |
} |
} |
atomic_inc(&threads_ok); |
} |
static void pi(void *data) |
{ |
int i; |
double lpi, pi; |
double n, ab, ad; |
thread_detach(THREAD); |
waitq_sleep(&can_start); |
for (i = 0; i < ATTEMPTS; i++) { |
lpi = -1; |
pi = 0; |
for (n = 2, ab = sqrt(2); lpi != pi; n *= 2, ab = ad) { |
double sc, cd; |
sc = sqrt(1 - (ab * ab / 4)); |
cd = 1 - sc; |
ad = sqrt(ab * ab / 4 + cd * cd); |
lpi = pi; |
pi = 2 * n * ad; |
} |
if ((int) (1000000 * pi) != PI_10e8) { |
if (!sh_quiet) |
printf("tid%" PRIu64 ": pi*10e8=%zd should be %" PRIun "\n", THREAD->tid, (unative_t) (1000000 * pi), (unative_t) (PI_10e8 / 100)); |
atomic_inc(&threads_fault); |
break; |
} |
} |
atomic_inc(&threads_ok); |
} |
char * test_fpu1(bool quiet) |
{ |
unsigned int i, total = 0; |
sh_quiet = quiet; |
waitq_initialize(&can_start); |
atomic_set(&threads_ok, 0); |
atomic_set(&threads_fault, 0); |
if (!quiet) |
printf("Creating %u threads... ", 2 * THREADS); |
for (i = 0; i < THREADS; i++) { |
thread_t *t; |
if (!(t = thread_create(e, NULL, TASK, 0, "e", false))) { |
if (!quiet) |
printf("could not create thread %u\n", 2 * i); |
break; |
} |
thread_ready(t); |
total++; |
if (!(t = thread_create(pi, NULL, TASK, 0, "pi", false))) { |
if (!quiet) |
printf("could not create thread %u\n", 2 * i + 1); |
break; |
} |
thread_ready(t); |
total++; |
} |
if (!quiet) |
printf("ok\n"); |
thread_sleep(1); |
waitq_wakeup(&can_start, WAKEUP_ALL); |
while (atomic_get(&threads_ok) != (long) total) { |
if (!quiet) |
printf("Threads left: %d\n", total - atomic_get(&threads_ok)); |
thread_sleep(1); |
} |
if (atomic_get(&threads_fault) == 0) |
return NULL; |
return "Test failed"; |
} |
/trunk/kernel/test/fpu/fpu1_x86.c |
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0,0 → 1,176 |
/* |
* Copyright (c) 2005 Jakub Vana |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <print.h> |
#include <debug.h> |
#include <test.h> |
#include <atomic.h> |
#include <proc/thread.h> |
#include <arch.h> |
#include <arch/arch.h> |
#define THREADS 150 |
#define ATTEMPTS 100 |
#define E_10e8 271828182 |
#define PI_10e8 314159265 |
static inline double sqrt(double x) |
{ |
double v; |
asm ( |
"fsqrt\n" |
: "=t" (v) |
: "0" (x) |
); |
return v; |
} |
static atomic_t threads_ok; |
static atomic_t threads_fault; |
static waitq_t can_start; |
static bool sh_quiet; |
static void e(void *data) |
{ |
int i; |
double e, d, le, f; |
thread_detach(THREAD); |
waitq_sleep(&can_start); |
for (i = 0; i<ATTEMPTS; i++) { |
le = -1; |
e = 0; |
f = 1; |
for (d = 1; e != le; d *= f, f += 1) { |
le = e; |
e = e + 1 / d; |
} |
if ((int) (100000000 * e) != E_10e8) { |
if (!sh_quiet) |
printf("tid%" PRIu64 ": e*10e8=%zd should be %" PRIun "\n", THREAD->tid, (unative_t) (100000000 * e), (unative_t) E_10e8); |
atomic_inc(&threads_fault); |
break; |
} |
} |
atomic_inc(&threads_ok); |
} |
static void pi(void *data) |
{ |
int i; |
double lpi, pi; |
double n, ab, ad; |
thread_detach(THREAD); |
waitq_sleep(&can_start); |
for (i = 0; i < ATTEMPTS; i++) { |
lpi = -1; |
pi = 0; |
for (n = 2, ab = sqrt(2); lpi != pi; n *= 2, ab = ad) { |
double sc, cd; |
sc = sqrt(1 - (ab * ab / 4)); |
cd = 1 - sc; |
ad = sqrt(ab * ab / 4 + cd * cd); |
lpi = pi; |
pi = 2 * n * ad; |
} |
if ((int) (100000000 * pi) != PI_10e8) { |
if (!sh_quiet) |
printf("tid%" PRIu64 ": pi*10e8=%zd should be %" PRIun "\n", THREAD->tid, (unative_t) (100000000 * pi), (unative_t) PI_10e8); |
atomic_inc(&threads_fault); |
break; |
} |
} |
atomic_inc(&threads_ok); |
} |
char * test_fpu1(bool quiet) |
{ |
unsigned int i, total = 0; |
sh_quiet = quiet; |
waitq_initialize(&can_start); |
atomic_set(&threads_ok, 0); |
atomic_set(&threads_fault, 0); |
if (!quiet) |
printf("Creating %u threads... ", 2 * THREADS); |
for (i = 0; i < THREADS; i++) { |
thread_t *t; |
if (!(t = thread_create(e, NULL, TASK, 0, "e", false))) { |
if (!quiet) |
printf("could not create thread %u\n", 2 * i); |
break; |
} |
thread_ready(t); |
total++; |
if (!(t = thread_create(pi, NULL, TASK, 0, "pi", false))) { |
if (!quiet) |
printf("could not create thread %u\n", 2 * i + 1); |
break; |
} |
thread_ready(t); |
total++; |
} |
if (!quiet) |
printf("ok\n"); |
thread_sleep(1); |
waitq_wakeup(&can_start, WAKEUP_ALL); |
while (atomic_get(&threads_ok) != (long) total) { |
if (!quiet) |
printf("Threads left: %d\n", total - atomic_get(&threads_ok)); |
thread_sleep(1); |
} |
if (atomic_get(&threads_fault) == 0) |
return NULL; |
return "Test failed"; |
} |