int main(int argc, char * argv[]) {
if(argc != 6) {
printf("usage: %s filename num_workers num_ops write_size stride", argv[0]);
fflush(stdout);
abort();
}
int NUM_WORKERS = atoi(argv[2]);
uint64_t ops = atoll(argv[3]);
int write_size = atoi(argv[4]);
worker * workers = stasis_malloc(NUM_WORKERS, worker);
pthread_t* threads = stasis_malloc(NUM_WORKERS, pthread_t);
uint64_t stride = atoll(argv[5]);
int fd = -1;
if(!many_handles) {
#ifdef HAVE_O_DSYNC
fd = open(argv[1], O_WRONLY|O_DSYNC); //|O_DIRECT);
#else
fd = open(argv[1], O_WRONLY|O_SYNC); //|O_DIRECT);
#endif
}
for(int i = 0; i < NUM_WORKERS; i++) {
workers[i].fd = fd;
workers[i].filename = argv[1];
workers[i].offset = 0;
workers[i].last = ops;
workers[i].write_size = write_size;
workers[i].stride = stride;
pthread_cond_init(&workers[i].cond,0);
pthread_mutex_init(&workers[i].mutex,0);
workers[i].next = &workers[(i+1) % NUM_WORKERS];
}
for(int i = 0; i < NUM_WORKERS; i++) {
pthread_create(&threads[i], 0, func, &workers[i]);
}
struct timeval start, stop;
gettimeofday(&start, 0);
workers[0].offset = 1;
pthread_cond_signal(&workers[0].cond);
for(int i = 0; i < NUM_WORKERS; i++) {
pthread_join(threads[i], 0);
}
gettimeofday(&stop, 0);
double elapsed = stasis_timeval_to_double(stasis_subtract_timeval(stop,start));
double ops_per_sec = ((double)ops) / elapsed;
printf("%lld ops in %f seconds = %f ops/second, %f speedup, %f mb/sec\n", (long long)ops, elapsed, ops_per_sec, ops_per_sec/ /*166.666*/(/*7200.0*/5400.0/60.0), ((double)ops*write_size)/(1024.0*1024.0*elapsed));
if(!many_handles) {
// fdatasync(fd);
close(fd);
}
return 0;
}
int main(int argc, char * argv[]) {
char * foo = calloc(1024*1024*1024,1);
struct timeval start, stop;
gettimeofday(&start, 0);
for(long i = 0; i < (1024*1024*1024/sizeof(long)); i++) {
((long*)foo)[i] = i;
}
gettimeofday(&stop, 0);
double elapsed = stasis_timeval_to_double(stasis_subtract_timeval(stop, start));
printf("Took %f seconds to write to 1GB (%f mb/sec)\n", elapsed, (1024.0)/elapsed);
long len = 1;
for(long i = 0; i < 31; i++) {
gettimeofday(&start, 0);
stasis_crc32(foo, len, 0);
gettimeofday(&stop, 0);
elapsed = stasis_timeval_to_double(stasis_subtract_timeval(stop, start));
printf("Took %f seconds to checksum %ld bytes (%f mb/sec)\n", elapsed, len, ((double)len)/((1024.0*1024.0)*elapsed));
len *=2;
}
}
int main (int argc, char * argv[]) {
double MB = 1024 * 1024;
uint64_t mb = 20000; // size of run, in megabytes.
enum run_type mode = ALL;
const uint64_t num_pages = mb * (MB / PAGE_SIZE);
stasis_buffer_manager_size = (512 * MB) / PAGE_SIZE;
// stasis_buffer_manager_hint_writes_are_sequential = 1;
// stasis_dirty_page_table_flush_quantum = (8 * MB) / PAGE_SIZE; // XXX if set to high-> segfault
// stasis_dirty_page_count_hard_limit = (16 * MB) / PAGE_SIZE;
// stasis_dirty_page_count_soft_limit = (10 * MB) / PAGE_SIZE;
// stasis_dirty_page_low_water_mark = (8 * MB) / PAGE_SIZE;
// Hard disk preferred.
/* stasis_dirty_page_table_flush_quantum = (4 * MB) / PAGE_SIZE; // XXX if set to high-> segfault
stasis_dirty_page_count_hard_limit = (12 * MB) / PAGE_SIZE;
stasis_dirty_page_count_soft_limit = (8 * MB) / PAGE_SIZE;
stasis_dirty_page_low_water_mark = (4 * MB) / PAGE_SIZE;*/
// SSD preferred.
stasis_dirty_page_table_flush_quantum = (4 * MB) / PAGE_SIZE; // XXX if set to high-> segfault
stasis_dirty_page_count_hard_limit = (40 * MB) / PAGE_SIZE;
stasis_dirty_page_count_soft_limit = (32 * MB) / PAGE_SIZE;
stasis_dirty_page_low_water_mark = (16 * MB) / PAGE_SIZE;
stasis_dirty_page_table_flush_quantum = (4 * MB) / PAGE_SIZE; // XXX if set to high-> segfault
stasis_dirty_page_count_hard_limit = (48 * MB) / PAGE_SIZE;
stasis_dirty_page_count_soft_limit = (40 * MB) / PAGE_SIZE;
stasis_dirty_page_low_water_mark = (32 * MB) / PAGE_SIZE;
printf("stasis_buffer_manager_size=%lld\n", (long long)stasis_buffer_manager_size * PAGE_SIZE);
printf("Hard limit=%lld\n", (long long)((stasis_dirty_page_count_hard_limit*PAGE_SIZE)/MB));
printf("Hard limit is %f pct.\n", 100.0 * ((double)stasis_dirty_page_count_hard_limit)/((double)stasis_buffer_manager_size));
bLSM::init_stasis();
regionAllocator * readableAlloc = NULL;
if(!mode) {
int xid = Tbegin();
regionAllocator * alloc = new regionAllocator(xid, num_pages);
printf("Starting first write of %lld mb\n", (long long)mb);
struct timeval start, start_sync, stop; double elapsed;
gettimeofday(&start, 0);
pageid_t extent = alloc->alloc_extent(xid, num_pages);
for(uint64_t i = 0; i < num_pages; i++) {
Page * p = loadUninitializedPage(xid, i+extent);
stasis_dirty_page_table_set_dirty((stasis_dirty_page_table_t*)stasis_runtime_dirty_page_table(), p);
releasePage(p);
}
gettimeofday(&start_sync,0);
alloc->force_regions(xid);
readableAlloc = alloc;
Tcommit(xid);
// alloc = new RegionAllocator(xid, num_pages);
gettimeofday(&stop, 0);
elapsed = stasis_timeval_to_double(stasis_subtract_timeval(stop, start));
printf("Write took %f seconds (%f mb/sec)\n", elapsed, ((double)mb)/elapsed);
printf("Sync took %f seconds.\n", stasis_timeval_to_double(stasis_subtract_timeval(stop, start_sync)));
}
if(!mode) {
int xid = Tbegin();
regionAllocator * alloc = new regionAllocator(xid, num_pages);
printf("Starting write with parallel read of %lld mb\n", (long long)mb);
struct timeval start, start_sync, stop; double elapsed;
gettimeofday(&start, 0);
pageid_t region_length;
pageid_t region_count;
pageid_t * old_extents = readableAlloc->list_regions(xid, ®ion_length, ®ion_count);
pageid_t extent = alloc->alloc_extent(xid, num_pages);
assert(region_count == 1);
for(uint64_t i = 0; i < num_pages/2; i++) {
Page * p = loadUninitializedPage(xid, i+extent);
stasis_dirty_page_table_set_dirty((stasis_dirty_page_table_t*)stasis_runtime_dirty_page_table(), p);
releasePage(p);
p = loadPage(xid, i+old_extents[0]);
releasePage(p);
}
gettimeofday(&start_sync,0);
alloc->force_regions(xid);
delete alloc;
Tcommit(xid);
// alloc = new RegionAllocator(xid, num_pages);
gettimeofday(&stop, 0);
elapsed = stasis_timeval_to_double(stasis_subtract_timeval(stop, start));
printf("Write took %f seconds (%f mb/sec)\n", elapsed, ((double)mb)/elapsed);
printf("Sync took %f seconds.\n", stasis_timeval_to_double(stasis_subtract_timeval(stop, start_sync)));
}
if(!mode) {
int xid = Tbegin();
struct timeval start, start_sync, stop; double elapsed;
printf("Starting write of giant datapage\n");
gettimeofday(&start, 0);
regionAllocator * alloc = new regionAllocator(xid, num_pages);
dataPage * dp = new DataPage(xid, num_pages-1, alloc);
byte * key = (byte*)calloc(100, 1);
byte * val = (byte*)calloc(900, 1);
dataTuple * tup = dataTuple::create(key, 100, val, 900);
free(key);
free(val);
while(1) {
if(!dp->append(tup)) {
break;
}
}
gettimeofday(&start_sync,0);
alloc->force_regions(xid);
gettimeofday(&stop, 0);
Tcommit(xid);
elapsed = stasis_timeval_to_double(stasis_subtract_timeval(stop, start));
printf("Write took %f seconds (%f mb/sec)\n", elapsed, ((double)mb)/elapsed);
printf("Sync took %f seconds.\n", stasis_timeval_to_double(stasis_subtract_timeval(stop, start_sync)));
}
if(!mode) {
int xid = Tbegin();
struct timeval start, start_sync, stop; double elapsed;
printf("Starting write of many small datapages\n");
gettimeofday(&start, 0);
regionAllocator * alloc = new regionAllocator(xid, num_pages);
byte * key = (byte*)calloc(100, 1);
byte * val = (byte*)calloc(900, 1);
dataTuple * tup = dataTuple::create(key, 100, val, 900);
free(key);
free(val);
dataPage * dp = 0;
uint64_t this_count = 0;
uint64_t count = 0;
uint64_t dp_count = 0;
while((count * 1000) < (mb * 1024*1024)) {
if((!dp) || !dp->append(tup)) {
dp = new DataPage(xid, 2, alloc);
dp_count++;
}
count++;
this_count++;
// if(((this_count * 1000) > (1024 * 1024 * 16))) {
// alloc->force_regions(xid);
// this_count = 0;
// gettimeofday(&stop, 0);
// elapsed = stasis_timeval_to_double(stasis_subtract_timeval(stop, start));
// printf("Write took %f seconds (%f mb/sec)\n", elapsed, ((double)(count*1000))/(1024*1024*elapsed));
// }
}
gettimeofday(&start_sync,0);
alloc->force_regions(xid);
gettimeofday(&stop, 0);
Tcommit(xid);
elapsed = stasis_timeval_to_double(stasis_subtract_timeval(stop, start));
printf("Write took %f seconds (%f mb/sec)\n", elapsed, ((double)(count*1000))/(elapsed*1024*1024));
printf("Sync took %f seconds.\n", stasis_timeval_to_double(stasis_subtract_timeval(stop, start_sync)));
}
if(!mode) {
int xid = Tbegin();
struct timeval start, start_sync, stop; double elapsed;
printf("Starting two parallel writes of many small datapages\n");
gettimeofday(&start, 0);
regionAllocator * alloc = new regionAllocator(xid, num_pages/2);
regionAllocator * alloc2 = new regionAllocator(xid, num_pages/2);
byte * key = (byte*)calloc(100, 1);
byte * val = (byte*)calloc(900, 1);
dataTuple * tup = dataTuple::create(key, 100, val, 900);
free(key);
free(val);
dataPage * dp = 0;
dataPage * dp2 = 0;
uint64_t this_count = 0;
uint64_t count = 0;
uint64_t dp_count = 0;
while((count * 1000) < (mb * 1024*1024)) {
if((!dp) || !dp->append(tup)) {
dp = new DataPage(xid, 2, alloc);
dp_count++;
}
if((!dp2) || !dp2->append(tup)) {
dp2 = new DataPage(xid, 2, alloc2);
//dp_count++;
}
count += 2;
this_count++;
// if(((this_count * 1000) > (1024 * 1024 * 16))) {
// alloc->force_regions(xid);
// this_count = 0;
// gettimeofday(&stop, 0);
// elapsed = stasis_timeval_to_double(stasis_subtract_timeval(stop, start));
// printf("Write took %f seconds (%f mb/sec)\n", elapsed, ((double)(count*1000))/(1024*1024*elapsed));
// }
}
gettimeofday(&start_sync,0);
alloc->force_regions(xid);
alloc2->force_regions(xid);
gettimeofday(&stop, 0);
Tcommit(xid);
elapsed = stasis_timeval_to_double(stasis_subtract_timeval(stop, start));
printf("Write took %f seconds (%f mb/sec)\n", elapsed, ((double)(count*1000))/(elapsed*1024*1024));
printf("Sync took %f seconds.\n", stasis_timeval_to_double(stasis_subtract_timeval(stop, start_sync)));
}
regionAllocator * read_alloc = NULL;
regionAllocator * read_alloc2 = NULL;
regionAllocator * read_alloc3 = NULL;
regionAllocator * read_alloc4 = NULL;
if(!mode) {
int xid = Tbegin();
struct timeval start, start_sync, stop; double elapsed;
printf("Starting four parallel writes of many small datapages\n");
gettimeofday(&start, 0);
regionAllocator * alloc = new regionAllocator(xid, num_pages/4);
regionAllocator * alloc2 = new regionAllocator(xid, num_pages/4);
regionAllocator * alloc3 = new regionAllocator(xid, num_pages/4);
regionAllocator * alloc4 = new regionAllocator(xid, num_pages/4);
byte * key = (byte*)calloc(100, 1);
byte * val = (byte*)calloc(900, 1);
dataTuple * tup = dataTuple::create(key, 100, val, 900);
free(key);
free(val);
dataPage * dp = 0;
dataPage * dp2 = 0;
dataPage * dp3 = 0;
dataPage * dp4 = 0;
uint64_t this_count = 0;
uint64_t count = 0;
uint64_t dp_count = 0;
while((count * 1000) < (mb * 1024*1024)) {
if((!dp) || !dp->append(tup)) {
dp = new DataPage(xid, 2, alloc);
dp_count++;
}
if((!dp2) || !dp2->append(tup)) {
dp2 = new DataPage(xid, 2, alloc2);
//dp_count++;
}
if((!dp3) || !dp3->append(tup)) {
dp3 = new DataPage(xid, 2, alloc3);
//dp_count++;
}
if((!dp4) || !dp4->append(tup)) {
dp4 = new DataPage(xid, 2, alloc4);
//dp_count++;
}
count += 4;
this_count++;
// if(((this_count * 1000) > (1024 * 1024 * 16))) {
// alloc->force_regions(xid);
// this_count = 0;
// gettimeofday(&stop, 0);
// elapsed = stasis_timeval_to_double(stasis_subtract_timeval(stop, start));
// printf("Write took %f seconds (%f mb/sec)\n", elapsed, ((double)(count*1000))/(1024*1024*elapsed));
// }
}
gettimeofday(&start_sync,0);
alloc->force_regions(xid);
alloc2->force_regions(xid);
alloc3->force_regions(xid);
alloc4->force_regions(xid);
gettimeofday(&stop, 0);
Tcommit(xid);
elapsed = stasis_timeval_to_double(stasis_subtract_timeval(stop, start));
printf("Write took %f seconds (%f mb/sec)\n", elapsed, ((double)(count*1000))/(elapsed*1024*1024));
printf("Sync took %f seconds.\n", stasis_timeval_to_double(stasis_subtract_timeval(stop, start_sync)));
read_alloc = alloc;
read_alloc2 = alloc2;
read_alloc3 = alloc3;
read_alloc4 = alloc4;
}
if(!mode) {
int xid = Tbegin();
struct timeval start, start_sync, stop; double elapsed;
printf("Starting four parallel writes of many small datapages\n");
gettimeofday(&start, 0);
regionAllocator * alloc = new regionAllocator(xid, num_pages/4);
regionAllocator * alloc2 = new regionAllocator(xid, num_pages/4);
regionAllocator * alloc3 = new regionAllocator(xid, num_pages/4);
regionAllocator * alloc4 = new regionAllocator(xid, num_pages/4);
byte * key = (byte*)calloc(100, 1);
byte * val = (byte*)calloc(900, 1);
dataTuple * tup = dataTuple::create(key, 100, val, 900);
free(key);
free(val);
dataPage * dp = 0;
dataPage * dp2 = 0;
dataPage * dp3 = 0;
dataPage * dp4 = 0;
uint64_t this_count = 0;
uint64_t count = 0;
uint64_t dp_count = 0;
pageid_t n1, n2, n3, n4;
pageid_t l1, l2, l3, l4;
pageid_t * regions1, * regions2, * regions3, * regions4;
regions1 = read_alloc->list_regions(xid, &l1, &n1);
regions2 = read_alloc2->list_regions(xid, &l2, &n2);
regions3 = read_alloc3->list_regions(xid, &l3, &n3);
regions4 = read_alloc4->list_regions(xid, &l4, &n4);
pageid_t i1 = regions1[0];
pageid_t i2 = regions2[0];
pageid_t i3 = regions3[0];
pageid_t i4 = regions4[0];
dataPage * rdp = new DataPage(xid, 0, i1);
dataPage * rdp2 = new DataPage(xid, 0, i2);
dataPage * rdp3 = new DataPage(xid, 0, i3);
dataPage * rdp4 = new DataPage(xid, 0, i4);
dataPage::iterator it1 = rdp->begin();
dataPage::iterator it2 = rdp2->begin();
dataPage::iterator it3 = rdp3->begin();
dataPage::iterator it4 = rdp4->begin();
while((count * 1000) < (mb * 1024*1024)) {
if((!dp) || !dp->append(tup)) {
dp = new DataPage(xid, 2, alloc);
dp_count++;
}
if((!dp2) || !dp2->append(tup)) {
dp2 = new DataPage(xid, 2, alloc2);
//dp_count++;
}
if((!dp3) || !dp3->append(tup)) {
dp3 = new DataPage(xid, 2, alloc3);
//dp_count++;
}
if((!dp4) || !dp4->append(tup)) {
dp4 = new DataPage(xid, 2, alloc4);
//dp_count++;
}
dataTuple * t;
if((!rdp) || !(t = it1.getnext())) {
i1+= rdp->get_page_count();
if(rdp) delete rdp;
rdp = new DataPage(xid, 0, i1);
// i1++;
it1 = rdp->begin();
t = it1.getnext();
}
if(t) dataTuple::freetuple(t);
if((!rdp2) || !(t = it2.getnext())) {
i2+= rdp2->get_page_count();
if(rdp2) delete rdp2;
rdp2 = new DataPage(xid, 0, i2);
// i2++;
it2 = rdp2->begin();
t = it2.getnext();
}
if(t) dataTuple::freetuple(t);
if((!rdp3) || !(t = it3.getnext())) {
i3+= rdp3->get_page_count();
if(rdp3) delete rdp3;
rdp3 = new DataPage(xid, 0, i3);
// i3++;
it3 = rdp3->begin();
t = it3.getnext();
}
if(t) dataTuple::freetuple(t);
if((!rdp4) || !(t = it4.getnext())) {
i4+= rdp4->get_page_count();
if(rdp4) delete rdp4;
rdp4 = new DataPage(xid, 0, i4);
// i4++;
it4 = rdp4->begin();
t = it4.getnext();
}
if(t) dataTuple::freetuple(t);
count += 8;
this_count++;
// if(((this_count * 1000) > (1024 * 1024 * 16))) {
// alloc->force_regions(xid);
// this_count = 0;
// gettimeofday(&stop, 0);
// elapsed = stasis_timeval_to_double(stasis_subtract_timeval(stop, start));
// printf("Write took %f seconds (%f mb/sec)\n", elapsed, ((double)(count*1000))/(1024*1024*elapsed));
// }
}
gettimeofday(&start_sync,0);
alloc->force_regions(xid);
alloc2->force_regions(xid);
alloc3->force_regions(xid);
alloc4->force_regions(xid);
gettimeofday(&stop, 0);
Tcommit(xid);
elapsed = stasis_timeval_to_double(stasis_subtract_timeval(stop, start));
printf("Write took %f seconds (%f mb/sec)\n", elapsed, ((double)(count*1000))/(elapsed*1024*1024));
printf("Sync took %f seconds.\n", stasis_timeval_to_double(stasis_subtract_timeval(stop, start_sync)));
read_alloc = alloc;
read_alloc2 = alloc2;
read_alloc3 = alloc3;
read_alloc4 = alloc4;
}
bLSM::deinit_stasis();
}
