robotux
/
rt_benchs
1
0
Fork 0
Code Issues Pull Requests Releases Activity

communication technique benchs: We send addresses 

* uintptr_t -> void *
* main send addresses where it has written something in
This commit is contained in:
Thomas Preud'homme 2009-06-16 12:58:30 +02:00 committed by Thomas Preud'homme
parent 12494e2fbc
commit 09bff9869e
10 changed files with 42 additions and 41 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
communication_techniques/include/asm_cache_comm.h
View File

@ -12,7 +12,7 @@
struct communication_channel
{
uintptr_t buf[2 * BUF_SIZE / sizeof(uintptr_t)] __attribute__ ((aligned (CACHE_LINE_SIZE)));
void *buf[2 * BUF_SIZE / sizeof(void *)] __attribute__ ((aligned (CACHE_LINE_SIZE)));
int state __attribute__ ((aligned (CACHE_LINE_SIZE)));
int idx __attribute__ ((aligned (CACHE_LINE_SIZE)));
};
@ -31,7 +31,7 @@ extern struct communication_assoc assoc_root;
__BEGIN_DECLS
struct communication_assoc *create_comm_assoc(void);
static inline void send(uintptr_t value) {
static inline void send(void *addr) {
asm volatile("mov %%gs:channel@NTPOFF + 2 *" toString(BUF_SIZE) " + " toString(CACHE_LINE_SIZE) ", %%eax\n\t"
"mov %0, %%gs:channel@NTPOFF(%%eax)\n\t"
"addl $4, %%eax\n\t"
@ -42,7 +42,7 @@ static inline void send(uintptr_t value) {
"jz swap_buffer\n\t"
"2:"
:
: "r"(value)
: "r"(addr)
: "%eax");
}

2
communication_techniques/include/common_comm.h
View File

@ -16,7 +16,7 @@ __BEGIN_DECLS
void add_sender(void);
void remove_sender(void);
volatile int *init_comm(void);
void reception(void (*)(uintptr_t));
void reception(void (*)(void *));
extern int swap_buffer;
void wait_initialization(void);
void discover_new_producers(void);

4
communication_techniques/include/pipe_comm.h
View File

@ -26,8 +26,8 @@ extern __thread int pipefd[];
extern struct communication_assoc assoc_root;
struct communication_assoc *create_comm_assoc(void);
static inline void send(uintptr_t value) {
write(pipefd[WRITE_IDX], &value, sizeof(uintptr_t));
static inline void send(void *addr) {
write(pipefd[WRITE_IDX], &addr, sizeof(void *));
}
__END_DECLS

14
communication_techniques/include/shared_mem_comm.h
View File

@ -7,14 +7,14 @@
#include <common_comm.h>
#define SHARED_SPACE_SIZE (2 * BUF_SIZE)
#define SHARED_SPACE_UINTPTR (SHARED_SPACE_SIZE / sizeof(uintptr_t))
#define SHARED_SPACE_VOIDPTR (SHARED_SPACE_SIZE / sizeof(void *))
struct communication_assoc
{
struct communication_assoc *next;
struct communication_assoc *prev;
pthread_t tid;
uintptr_t *shared_space;
void **shared_space;
volatile int *cons_idx;
volatile int *prod_idx;
};
@ -23,15 +23,15 @@ extern struct communication_assoc assoc_root;
__BEGIN_DECLS
extern __thread uintptr_t *shared_space;
extern __thread void **shared_space;
extern __thread volatile int prod_idx;
extern __thread volatile int cons_idx;
struct communication_assoc *create_comm_assoc(void);
static inline void send(uintptr_t value) {
while ((prod_idx + 1) % SHARED_SPACE_UINTPTR == cons_idx);
shared_space[prod_idx] = value;
prod_idx = (prod_idx + 1) % SHARED_SPACE_UINTPTR;
static inline void send(void *addr) {
while ((prod_idx + 1) % SHARED_SPACE_VOIDPTR == cons_idx);
shared_space[prod_idx] = addr;
prod_idx = (prod_idx + 1) % SHARED_SPACE_VOIDPTR;
}
__END_DECLS

16
communication_techniques/include/shared_mem_opt_comm.h
View File

@ -7,14 +7,14 @@
#include <common_comm.h>
#define SHARED_SPACE_SIZE (2 * BUF_SIZE)
#define SHARED_SPACE_UINTPTR (SHARED_SPACE_SIZE / sizeof(uintptr_t))
#define SHARED_SPACE_VOIDPTR (SHARED_SPACE_SIZE / sizeof(void *))
struct communication_assoc
{
struct communication_assoc *next;
struct communication_assoc *prev;
pthread_t tid;
uintptr_t *shared_space;
void **shared_space;
volatile int *cons_idx;
volatile int *prod_idx;
};
@ -23,21 +23,21 @@ extern struct communication_assoc assoc_root;
__BEGIN_DECLS
extern __thread uintptr_t *shared_space;
extern __thread void **shared_space;
extern __thread volatile int prod_idx;
extern __thread volatile int cons_idx;
struct communication_assoc *create_comm_assoc(void);
static inline void send(uintptr_t value) {
static inline void send(void *addr) {
static __thread int local_cons_idx = 0;
if (likely(((prod_idx + 1) % SHARED_SPACE_UINTPTR) == local_cons_idx))
if (likely(((prod_idx + 1) % SHARED_SPACE_VOIDPTR) == local_cons_idx))
{
while (((prod_idx + 1) % SHARED_SPACE_UINTPTR) == cons_idx);
while (((prod_idx + 1) % SHARED_SPACE_VOIDPTR) == cons_idx);
local_cons_idx = cons_idx;
}
shared_space[prod_idx] = value;
prod_idx = (prod_idx + 1) % SHARED_SPACE_UINTPTR;
shared_space[prod_idx] = addr;
prod_idx = (prod_idx + 1) % SHARED_SPACE_VOIDPTR;
}
__END_DECLS

6
communication_techniques/src/asm_cache.c
View File

@ -35,7 +35,7 @@ void _swap_buffer()
: : "m"(dstr));
}
void reception(void (*on_receive)(uintptr_t))
void reception(void (*on_receive)(void *))
{
wait_initialization();
/* printf("Activate the consumer...\n"); */
@ -60,8 +60,8 @@ void reception(void (*on_receive)(uintptr_t))
* the first one (this is done by the modulo)
*/
int i = cur->receiver_idx;
int n = cur->receiver_idx + (BUF_SIZE / sizeof(uintptr_t));
cur->receiver_idx = n % ((2 * BUF_SIZE) / sizeof(uintptr_t));
int n = cur->receiver_idx + (BUF_SIZE / sizeof(void *));
cur->receiver_idx = n % ((2 * BUF_SIZE) / sizeof(void *));
for(; i<n; i++)
on_receive(channel->buf[i]);
channel->state = 0;

7
communication_techniques/src/main.c
View File

@ -147,7 +147,8 @@ int analyse_options(int argc, char *argv[])
void *producer(void *cont_ptr_void)
{
int i, j, k;
int i, j;
uintptr_t k;
volatile int *cont;
cont = *((volatile int **) cont_ptr_void);
@ -173,7 +174,7 @@ void *producer(void *cont_ptr_void)
for(i = 0; i < nb_cache_lines; i++) {
//printf("[%p] Send a new CACHE_LINE\n", (void *) pthread_self());
for(j = 0; j < (CACHE_LINE_SIZE / sizeof(uintptr_t)); j++)
send(k++);
send(&k);
}
print_results();
}
@ -192,7 +193,7 @@ void *producer(void *cont_ptr_void)
return NULL;
}
void onMessage(uintptr_t val)
void onMessage(void *val)
{
//printf("Receive value: %p\n", (void *) val);
}

8
communication_techniques/src/pipe.c
View File

@ -21,7 +21,7 @@ struct communication_assoc *create_comm_assoc(void)
return assoc;
}
void reception(void (*on_receive)(uintptr_t))
void reception(void (*on_receive)(void *))
{
wait_initialization();
/* printf("Activate the consumer...\n"); */
@ -35,10 +35,10 @@ void reception(void (*on_receive)(uintptr_t))
{
int i;
for(i = 0; i < BUF_SIZE / sizeof(uintptr_t); i++)
for(i = 0; i < BUF_SIZE / sizeof(void *); i++)
{
uintptr_t tmp;
read(cur->pipefd[READ_IDX], &tmp, sizeof(uintptr_t));
void *tmp;
read(cur->pipefd[READ_IDX], &tmp, sizeof(void *));
on_receive(tmp);
}
cur = cur->next;

10
communication_techniques/src/shared_mem.c
View File

@ -8,7 +8,7 @@
#include <specific_comm.h>
__thread uintptr_t *shared_space;
__thread void **shared_space;
__thread volatile int cons_idx = 0;
__thread volatile int prod_idx = 0;
@ -16,7 +16,7 @@ struct communication_assoc *create_comm_assoc(void)
{
struct communication_assoc *assoc;
shared_space = (uintptr_t *) malloc(SHARED_SPACE_SIZE);
shared_space = (void **) malloc(SHARED_SPACE_SIZE);
assoc = (struct communication_assoc *) malloc(sizeof(struct communication_assoc));
assoc->tid = pthread_self();
assoc->shared_space = shared_space;
@ -25,7 +25,7 @@ struct communication_assoc *create_comm_assoc(void)
return assoc;
}
void reception(void (*on_receive)(uintptr_t))
void reception(void (*on_receive)(void *))
{
wait_initialization();
/* printf("Activate the consumer...\n"); */
@ -39,9 +39,9 @@ void reception(void (*on_receive)(uintptr_t))
{
int cons_idx;
for(cons_idx = *cur->cons_idx; cons_idx != *cur->prod_idx; cons_idx = (cons_idx + 1) % SHARED_SPACE_UINTPTR, *cur->cons_idx = cons_idx)
for(cons_idx = *cur->cons_idx; cons_idx != *cur->prod_idx; cons_idx = (cons_idx + 1) % SHARED_SPACE_VOIDPTR, *cur->cons_idx = cons_idx)
{
uintptr_t tmp;
void *tmp;
tmp = cur->shared_space[cons_idx];
on_receive(tmp);
}

10
communication_techniques/src/shared_mem_opt.c
View File

@ -8,7 +8,7 @@
#include <specific_comm.h>
__thread uintptr_t *shared_space;
__thread void **shared_space;
__thread volatile int cons_idx = 0;
__thread volatile int prod_idx = 0;
@ -16,7 +16,7 @@ struct communication_assoc *create_comm_assoc(void)
{
struct communication_assoc *assoc;
shared_space = (uintptr_t *) malloc(SHARED_SPACE_SIZE);
shared_space = (void **) malloc(SHARED_SPACE_SIZE);
assoc = (struct communication_assoc *) malloc(sizeof(struct communication_assoc));
assoc->tid = pthread_self();
assoc->shared_space = shared_space;
@ -25,7 +25,7 @@ struct communication_assoc *create_comm_assoc(void)
return assoc;
}
void reception(void (*on_receive)(uintptr_t))
void reception(void (*on_receive)(void *))
{
wait_initialization();
/* printf("Activate the consumer...\n"); */
@ -43,9 +43,9 @@ void reception(void (*on_receive)(uintptr_t))
do
{
prod_idx = *cur->prod_idx;
for(; cons_idx != prod_idx; cons_idx = (cons_idx + 1) % SHARED_SPACE_UINTPTR)
for(; cons_idx != prod_idx; cons_idx = (cons_idx + 1) % SHARED_SPACE_VOIDPTR)
{
uintptr_t tmp;
void *tmp;
tmp = cur->shared_space[cons_idx];
on_receive(tmp);
}