func main() {
flag.Parse()
runtime.GOMAXPROCS(*nprocs)
if *clientGoRoutines == 0 {
*clientGoRoutines = *nprocs
}
if *nworkers == 0 {
*nworkers = *nprocs
}
if *prob == -1 && *ZipfDist < 0 {
log.Fatalf("Zipf distribution must be positive")
}
if *ZipfDist >= 0 && *prob > -1 {
log.Fatalf("Set contention to -1 to use Zipf distribution of keys")
}
s := ddtxn.NewStore()
sp := uint32(*nbidders / *nworkers)
for i := 0; i < *nbidders; i++ {
k := ddtxn.ProductKey(i)
s.CreateKey(k, int32(0), ddtxn.SUM)
}
dlog.Printf("Done with Populate")
coord := ddtxn.NewCoordinator(*nworkers, s)
if *ddtxn.CountKeys {
for i := 0; i < *nworkers; i++ {
w := coord.Workers[i]
w.NKeyAccesses = make([]int64, *nbidders)
}
}
dlog.Printf("Done initializing single\n")
p := prof.StartProfile()
start := time.Now()
var wg sync.WaitGroup
pkey := int(sp - 1)
dlog.Printf("Partition size: %v; Contended key %v\n", sp/2, pkey)
gave_up := make([]int64, *clientGoRoutines)
goZipf := make([]*ddtxn.Zipf, *clientGoRoutines)
if *prob == -1 && *ZipfDist >= 0 {
for i := 0; i < *clientGoRoutines; i++ {
rnd := rand.New(rand.NewSource(int64(i * 12467)))
goZipf[i] = ddtxn.NewZipf(rnd, *ZipfDist, 1, uint64(*nbidders)-1)
if goZipf[i] == nil {
panic("nil zipf")
}
}
}
for i := 0; i < *clientGoRoutines; i++ {
wg.Add(1)
go func(n int) {
exp := ddtxn.MakeExp(50)
retries := make(ddtxn.RetryHeap, 0)
heap.Init(&retries)
var local_seed uint32 = uint32(rand.Intn(10000000))
wi := n % (*nworkers)
w := coord.Workers[wi]
top := (wi + 1) * int(sp)
bottom := wi * int(sp)
dlog.Printf("%v: Noncontended section: %v to %v\n", n, bottom, top)
end_time := time.Now().Add(time.Duration(*nsec) * time.Second)
for {
tm := time.Now()
if !end_time.After(tm) {
break
}
var t ddtxn.Query
if len(retries) > 0 && retries[0].TS.Before(tm) {
t = heap.Pop(&retries).(ddtxn.Query)
} else {
x := float64(ddtxn.RandN(&local_seed, 100))
if *prob == -1 {
x := goZipf[n].Uint64()
if x >= uint64(*nbidders) || x < 0 {
log.Fatalf("x not in bounds: %v\n", x)
}
t.K1 = ddtxn.ProductKey(int(x))
} else if x < *prob {
// contended txn
t.K1 = ddtxn.ProductKey(pkey)
} else {
// uncontended
k := pkey
for k == pkey {
if *partition {
rnd := ddtxn.RandN(&local_seed, sp-1)
lb := int(rnd)
k = lb + wi*int(sp) + 1
if k < bottom || k >= top+1 {
log.Fatalf("%v: outside my range %v [%v-%v]\n", n, k, bottom, top)
}
} else {
k = int(ddtxn.RandN(&local_seed, uint32(*nbidders)))
}
}
t.K1 = ddtxn.ProductKey(k)
}
t.TXN = ddtxn.D_INCR_ONE
if *atomicIncr {
t.TXN = ddtxn.D_ATOMIC_INCR_ONE
}
y := int(ddtxn.RandN(&local_seed, 100))
if y < *readrate {
t.TXN = ddtxn.D_READ_ONE
}
}
committed := false
_, err := w.One(t)
if err == ddtxn.EABORT {
committed = false
} else {
committed = true
}
t.I++
if !committed {
e := exp.Exp(t.I)
if e <= 0 {
e = 1
}
rnd := ddtxn.RandN(&local_seed, e)
if rnd <= 0 {
rnd = 1
}
t.TS = tm.Add(time.Duration(rnd) * time.Microsecond)
if t.TS.Before(end_time) {
heap.Push(&retries, t)
} else {
gave_up[n]++
}
}
}
w.Finished()
wg.Done()
if len(retries) > 0 {
dlog.Printf("[%v] Length of retry queue on exit: %v\n", n, len(retries))
}
gave_up[n] = gave_up[n] + int64(len(retries))
}(i)
}
wg.Wait()
coord.Finish()
end := time.Since(start)
p.Stop()
stats := make([]int64, ddtxn.LAST_STAT)
nitr, nwait, _, _, _, _, _ := ddtxn.CollectCounts(coord, stats)
for i := 1; i < *clientGoRoutines; i++ {
gave_up[0] = gave_up[0] + gave_up[i]
}
// nitr + NABORTS + ENOKEY is how many requests were issued. A
// stashed transaction eventually executes and contributes to
// nitr.
out := fmt.Sprintf(" nworkers: %v, nwmoved: %v, nrmoved: %v, sys: %v, total/sec: %v, abortrate: %.2f, stashrate: %.2f, rr: %v, nkeys: %v, contention: %v, zipf: %v, done: %v, actual time: %v, nreads: %v, nincrs: %v, epoch changes: %v, throughput ns/txn: %v, naborts: %v, coord time: %v, coord stats time: %v, total worker time transitioning: %v, nstashed: %v, rlock: %v, wrratio: %v, nsamples: %v, getkeys: %v, ddwrites: %v, nolock: %v, failv: %v, nlocked: %v, stashdone: %v, nfast: %v, gaveup: %v, potential: %v ", *nworkers, ddtxn.WMoved, ddtxn.RMoved, *ddtxn.SysType, float64(nitr)/end.Seconds(), 100*float64(stats[ddtxn.NABORTS])/float64(nitr+stats[ddtxn.NABORTS]), 100*float64(stats[ddtxn.NSTASHED])/float64(nitr+stats[ddtxn.NABORTS]), *readrate, *nbidders, *prob, *ZipfDist, nitr, end, stats[ddtxn.D_READ_ONE], stats[ddtxn.D_INCR_ONE], ddtxn.NextEpoch, end.Nanoseconds()/nitr, stats[ddtxn.NABORTS], ddtxn.Time_in_IE, ddtxn.Time_in_IE1, nwait, stats[ddtxn.NSTASHED], *ddtxn.UseRLocks, *ddtxn.WRRatio, stats[ddtxn.NSAMPLES], stats[ddtxn.NGETKEYCALLS], stats[ddtxn.NDDWRITES], stats[ddtxn.NO_LOCK], stats[ddtxn.NFAIL_VERIFY], stats[ddtxn.NLOCKED], stats[ddtxn.NDIDSTASHED], ddtxn.Nfast, gave_up[0], coord.PotentialPhaseChanges)
fmt.Printf(out)
fmt.Printf("\n")
f, err := os.OpenFile(*dataFile, os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0600)
if err != nil {
panic(err)
}
defer f.Close()
ddtxn.PrintStats(out, stats, f, coord, s, *nbidders)
}
func main() {
flag.Parse()
runtime.GOMAXPROCS(*nprocs)
if *clientGoRoutines == 0 {
*clientGoRoutines = *nprocs
}
if *nworkers == 0 {
*nworkers = *nprocs
}
nproducts := *nbidders / *contention
if *doValidate {
if !*ddtxn.Allocate {
log.Fatalf("Cannot correctly validate without waiting for results; add -allocate\n")
}
}
s := ddtxn.NewStore()
coord := ddtxn.NewCoordinator(*nworkers, s)
if *ddtxn.CountKeys {
for i := 0; i < *nworkers; i++ {
w := coord.Workers[i]
w.NKeyAccesses = make([]int64, *nbidders)
}
}
big_app := &apps.Big{}
big_app.Init(*nbidders, nproducts, *nworkers, *readrate, *clientGoRoutines, *notcontended_readrate)
big_app.Populate(s, coord.Workers[0].E)
dlog.Printf("Done initializing buy\n")
p := prof.StartProfile()
start := time.Now()
var wg sync.WaitGroup
for i := 0; i < *clientGoRoutines; i++ {
wg.Add(1)
go func(n int) {
duration := time.Now().Add(time.Duration(*nsec) * time.Second)
var local_seed uint32 = uint32(rand.Intn(10000000))
wi := n % (*nworkers)
w := coord.Workers[wi]
// It's ok to reuse t because it gets copied in
// w.One(), and if we're actually reading from t later
// we pause and don't re-write it until it's done.
var t ddtxn.Query
for duration.After(time.Now()) {
big_app.MakeOne(w.ID, &local_seed, &t)
if *apps.Latency || *doValidate {
t.W = make(chan struct {
R *ddtxn.Result
E error
})
txn_start := time.Now()
_, err := w.One(t)
if err == ddtxn.ESTASH {
x := <-t.W
err = x.E
}
txn_end := time.Since(txn_start)
if *apps.Latency {
big_app.Time(&t, txn_end, n)
}
if *doValidate {
if err == nil {
big_app.Add(t)
}
}
} else {
w.One(t)
}
}
wg.Done()
}(i)
}
wg.Wait()
coord.Finish()
end := time.Since(start)
p.Stop()
stats := make([]int64, ddtxn.LAST_STAT)
nitr, nwait, nwait2 := ddtxn.CollectCounts(coord, stats)
if *doValidate {
big_app.Validate(s, int(nitr))
}
out := fmt.Sprintf(" sys: %v, contention: %v, nworkers: %v, rr: %v, ncrr: %v, nusers: %v, done: %v, actual time: %v, epoch changes: %v, total/sec: %v, throughput ns/txn: %v, naborts: %v, nwmoved: %v, nrmoved: %v, ietime: %v, ietime1: %v, etime: %v, etime2: %v, nstashed: %v, rlock: %v, wrratio: %v, nsamples: %v ", *ddtxn.SysType, *contention, *nworkers, *readrate, *notcontended_readrate*float64(*readrate), *nbidders, nitr, end, ddtxn.NextEpoch, float64(nitr)/end.Seconds(), end.Nanoseconds()/nitr, stats[ddtxn.NABORTS], ddtxn.WMoved, ddtxn.RMoved, ddtxn.Time_in_IE.Seconds(), ddtxn.Time_in_IE1.Seconds(), nwait.Seconds()/float64(*nworkers), nwait2.Seconds()/float64(*nworkers), stats[ddtxn.NSTASHED], *ddtxn.UseRLocks, *ddtxn.WRRatio, stats[ddtxn.NSAMPLES])
fmt.Printf(out)
fmt.Printf("\n")
f, err := os.OpenFile(*dataFile, os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0600)
if err != nil {
panic(err)
}
defer f.Close()
ddtxn.PrintStats(out, stats, f, coord, s, *nbidders)
x, y := big_app.LatencyString()
f.WriteString(x)
f.WriteString(y)
f.WriteString("\n")
}
func main() {
flag.Parse()
runtime.GOMAXPROCS(*nprocs)
if *clientGoRoutines == 0 {
*clientGoRoutines = *nprocs
}
if *nworkers == 0 {
*nworkers = *nprocs
}
if *doValidate {
if !*ddtxn.Allocate {
log.Fatalf("Cannot correctly validate without waiting for results; add -allocate\n")
}
}
var nproducts int
if *contention > 0 {
nproducts = *nbidders / int(*contention)
} else {
nproducts = ddtxn.NUM_ITEMS
}
s := ddtxn.NewStore()
coord := ddtxn.NewCoordinator(*nworkers, s)
if *ddtxn.CountKeys {
for i := 0; i < *nworkers; i++ {
w := coord.Workers[i]
w.NKeyAccesses = make([]int64, *nbidders)
}
}
rubis := &apps.Rubis{}
rubis.Init(nproducts, *nbidders, *nworkers, *clientGoRoutines, *ZipfDist, 0)
rubis.PopulateBids(s, coord) // Just creates items to bid on
fmt.Printf("Done populating bids\n")
if !*ddtxn.Allocate {
prealloc := time.Now()
tmp := *ddtxn.UseRLocks
*ddtxn.UseRLocks = true
// Preallocate keys
bids_per_worker := 200000.0
if *nworkers == 20 {
bids_per_worker *= 20
}
if *rounds {
parallelism := 10
rounds := *nworkers / parallelism
if rounds == 0 {
rounds = 1
}
for j := 0; j < rounds; j++ {
fmt.Printf("Doing round %v\n", j)
var wg sync.WaitGroup
for i := j * parallelism; i < (j+1)*parallelism; i++ {
if i >= *nworkers {
break
}
wg.Add(1)
go func(i int) {
coord.Workers[i].PreallocateRubis(0, int(bids_per_worker), ddtxn.NUM_ITEMS)
wg.Done()
}(i)
}
wg.Wait()
}
} else {
var wg sync.WaitGroup
for i := 0; i < *nworkers; i++ {
wg.Add(1)
go func(i int) {
coord.Workers[i].PreallocateRubis(0, int(bids_per_worker), ddtxn.NUM_ITEMS)
wg.Done()
}(i)
}
wg.Wait()
}
*ddtxn.UseRLocks = tmp
fmt.Printf("Allocation took %v\n", time.Since(prealloc))
}
fmt.Printf("Done initializing rubis\n")
p := prof.StartProfile()
start := time.Now()
gave_up := make([]int64, *clientGoRoutines)
var wg sync.WaitGroup
for i := 0; i < *clientGoRoutines; i++ {
exp := ddtxn.MakeExp(30)
wg.Add(1)
go func(n int) {
retries := make(ddtxn.RetryHeap, 0)
heap.Init(&retries)
end_time := time.Now().Add(time.Duration(*nsec) * time.Second)
var local_seed uint32 = uint32(rand.Intn(1000000))
wi := n % (*nworkers)
w := coord.Workers[wi]
for {
tm := time.Now()
if !end_time.After(tm) {
break
}
var t ddtxn.Query
if len(retries) > 0 && retries[0].TS.Before(tm) {
t = heap.Pop(&retries).(ddtxn.Query)
} else {
rubis.MakeBid(w.ID, &local_seed, &t)
if *ddtxn.Latency {
t.S = time.Now()
}
}
if *doValidate {
t.W = make(chan struct {
R *ddtxn.Result
E error
})
}
committed := false
_, err := w.One(t)
if err == ddtxn.ESTASH {
if *doValidate {
x := <-t.W
err = x.E
}
committed = true
} else if err == ddtxn.EABORT {
committed = false
} else {
committed = true
}
t.I++
if !committed {
t.TS = tm.Add(time.Duration(ddtxn.RandN(&local_seed, exp.Exp(t.I))) * time.Microsecond)
if t.TS.Before(end_time) {
heap.Push(&retries, t)
} else {
gave_up[n]++
}
}
if committed && *doValidate {
rubis.Add(t)
}
}
wg.Done()
if len(retries) > 0 {
dlog.Printf("[%v] Length of retry queue on exit: %v\n", n, len(retries))
}
gave_up[n] = gave_up[n] + int64(len(retries))
}(i)
}
wg.Wait()
coord.Finish()
end := time.Since(start)
p.Stop()
stats := make([]int64, ddtxn.LAST_STAT)
nitr, nwait, nwait2 := ddtxn.CollectCounts(coord, stats)
_ = nwait2
if *doValidate {
rubis.Validate(s, int(nitr))
}
for i := 1; i < *clientGoRoutines; i++ {
gave_up[0] = gave_up[0] + gave_up[i]
}
if !*ddtxn.Allocate {
keys := []rune{'b', 'c', 'd', 'i', 'k', 'u'}
for i := 0; i < *nworkers; i++ {
dlog.Printf("w: %v ", i)
for _, k := range keys {
dlog.Printf("%v %v/%v \t", strconv.QuoteRuneToASCII(k), coord.Workers[i].CurrKey[k], coord.Workers[i].LastKey[k])
}
dlog.Printf("\n")
}
}
out := fmt.Sprintf(" nworkers: %v, nwmoved: %v, nrmoved: %v, sys: %v, total/sec: %v, abortrate: %.2f, stashrate: %.2f, nbidders: %v, nitems: %v, contention: %v, done: %v, actual time: %v, throughput: ns/txn: %v, naborts: %v, coord time: %v, coord stats time: %v, total worker time transitioning: %v, nstashed: %v, rlock: %v, wrratio: %v, nsamples: %v, getkeys: %v, ddwrites: %v, nolock: %v, failv: %v, stashdone: %v, nfast: %v, gaveup: %v, epoch changes: %v, potential: %v, coordtotaltime %v, mergetime: %v, readtime: %v, gotime: %v ", *nworkers, ddtxn.WMoved, ddtxn.RMoved, *ddtxn.SysType, float64(nitr)/end.Seconds(), 100*float64(stats[ddtxn.NABORTS])/float64(nitr+stats[ddtxn.NABORTS]), 100*float64(stats[ddtxn.NSTASHED])/float64(nitr+stats[ddtxn.NABORTS]), *nbidders, nproducts, *contention, nitr, end, end.Nanoseconds()/nitr, stats[ddtxn.NABORTS], ddtxn.Time_in_IE, ddtxn.Time_in_IE1, nwait, stats[ddtxn.NSTASHED], *ddtxn.UseRLocks, *ddtxn.WRRatio, stats[ddtxn.NSAMPLES], stats[ddtxn.NGETKEYCALLS], stats[ddtxn.NDDWRITES], stats[ddtxn.NO_LOCK], stats[ddtxn.NFAIL_VERIFY], stats[ddtxn.NDIDSTASHED], ddtxn.Nfast, gave_up[0], ddtxn.NextEpoch, coord.PotentialPhaseChanges, coord.TotalCoordTime, coord.MergeTime, coord.ReadTime, coord.GoTime)
fmt.Printf(out)
fmt.Printf("\n")
fmt.Printf("DD: %v\n", coord.Workers[0].Store().DD())
f, err := os.OpenFile(*dataFile, os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0600)
if err != nil {
panic(err)
}
defer f.Close()
ddtxn.PrintStats(out, stats, f, coord, s, *nbidders)
x, y := coord.Latency()
f.WriteString(x)
f.WriteString(y)
f.WriteString("\n")
}
func main() {
flag.Parse()
runtime.GOMAXPROCS(*nprocs)
if *clientGoRoutines == 0 {
*clientGoRoutines = *nprocs
}
if *nworkers == 0 {
*nworkers = *nprocs
}
if *doValidate {
if !*ddtxn.Allocate {
log.Fatalf("Cannot correctly validate without waiting for results; add -allocate\n")
}
}
if *contention == -1.0 && *ZipfDist == -1.0 {
log.Fatalf("Should use zipf or contention")
}
var nproducts int
if *contention > 0 {
nproducts = *nbidders / int(*contention)
} else {
nproducts = *nbidders
}
s := ddtxn.NewStore()
buy_app := &apps.Buy{}
buy_app.Init(nproducts, *nbidders, *nworkers, *readrate, *clientGoRoutines, *notcontended_readrate, *ZipfDist)
dlog.Printf("Starting to initialize buy\n")
buy_app.Populate(s, nil)
coord := ddtxn.NewCoordinator(*nworkers, s)
if *ddtxn.CountKeys {
for i := 0; i < *nworkers; i++ {
w := coord.Workers[i]
w.NKeyAccesses = make([]int64, *nbidders)
}
}
dlog.Printf("Done initializing buy\n")
p := prof.StartProfile()
start := time.Now()
var wg sync.WaitGroup
gave_upr := make([]int64, *clientGoRoutines)
gave_upw := make([]int64, *clientGoRoutines)
var ending_retries int64
for i := 0; i < *clientGoRoutines; i++ {
wg.Add(1)
go func(n int) {
exp := ddtxn.MakeExp(50)
retries := make(ddtxn.RetryHeap, 0)
heap.Init(&retries)
end_time := time.Now().Add(time.Duration(*nsec) * time.Second)
var local_seed uint32 = uint32(rand.Intn(10000000))
var sp uint32 = uint32(*nbidders / *clientGoRoutines)
w := coord.Workers[n%(*nworkers)]
var tm time.Time
for {
tm = time.Now()
if !end_time.After(tm) {
break
}
var t ddtxn.Query
if len(retries) > 0 && retries[0].TS.Before(tm) {
t = heap.Pop(&retries).(ddtxn.Query)
} else {
buy_app.MakeOne(w.ID, &local_seed, sp, &t)
if *ddtxn.Latency {
t.S = time.Now()
}
}
if *doValidate {
t.W = make(chan struct {
R *ddtxn.Result
E error
}, 1)
}
committed := false
_, err := w.One(t)
if err == ddtxn.ESTASH {
if *doValidate {
x := <-t.W
err = x.E
if err == ddtxn.EABORT {
log.Fatalf("Should be run until commitment!\n")
}
}
committed = true // The worker stash code will retry
} else if err == ddtxn.EABORT {
committed = false
} else {
committed = true
}
t.I++
if !committed {
e := uint32(exp.Exp(t.I))
if e < 1 {
e = 1
}
if local_seed < 1 {
local_seed = 1
}
rnd := ddtxn.RandN(&local_seed, e)
if rnd <= 2 {
rnd = 2
}
t.TS = tm.Add(time.Duration(rnd) * time.Microsecond)
if t.TS.Before(end_time) {
heap.Push(&retries, t)
} else {
if ddtxn.IsRead(t.TXN) {
gave_upr[n]++
} else {
gave_upw[n]++
}
}
}
if committed && *doValidate {
buy_app.Add(t)
}
}
w.Finished()
wg.Done()
if len(retries) > 0 {
dlog.Printf("[%v] Length of retry queue on exit: %v\n", n, len(retries))
}
atomic.AddInt64(&ending_retries, int64(len(retries)))
}(i)
}
wg.Wait()
coord.Finish()
end := time.Since(start)
p.Stop()
stats := make([]int64, ddtxn.LAST_STAT)
nitr, nwait, nnoticed, nmerge, nmergewait, njoin, njoinwait := ddtxn.CollectCounts(coord, stats)
if *doValidate {
buy_app.Validate(s, int(nitr))
}
for i := 1; i < *clientGoRoutines; i++ {
gave_upr[0] = gave_upr[0] + gave_upr[i]
gave_upw[0] = gave_upw[0] + gave_upw[i]
}
if ddtxn.NextEpoch == 0 {
ddtxn.NextEpoch = 1
}
// nitr + NABORTS + ENOKEY is how many requests were issued. A
// stashed transaction eventually executes and contributes to
// nitr.
out := fmt.Sprintf(" nworkers: %v, nwmoved: %v, nrmoved: %v, sys: %v, total/sec: %v, abortrate: %.2f, stashrate: %.2f, rr: %v, nbids: %v, nproducts: %v, contention: %v, done: %v, actual time: %v, nreads: %v, nbuys: %v, epoch changes: %v, throughput ns/txn: %v, naborts: %v, coord time: %v, coord stats time: %v, nstashed: %v, rlock: %v, wrratio: %v, nsamples: %v, getkeys: %v, ddwrites: %v, nolock: %v, failv: %v, stashdone: %v, nfast: %v, gaveup_reads: %v, gaveup_writes: %v, lenretries: %v, potential: %v, coordtotaltime %v, mergetime: %v, readtime: %v, gotime: %v, workertransitiontime: %v, workernoticetime: %v, workermergetime: %v, workermergewaittime: %v, workerjointime: %v, workerjoinwaittime: %v, readaborts: %v ", *nworkers, ddtxn.WMoved, ddtxn.RMoved, *ddtxn.SysType, float64(nitr)/end.Seconds(), 100*float64(stats[ddtxn.NABORTS])/float64(nitr+stats[ddtxn.NABORTS]), 100*float64(stats[ddtxn.NSTASHED])/float64(nitr+stats[ddtxn.NABORTS]), *readrate, *nbidders, nproducts, *contention, nitr, end, stats[ddtxn.D_READ_TWO], stats[ddtxn.D_BUY], ddtxn.NextEpoch, end.Nanoseconds()/nitr, stats[ddtxn.NABORTS], ddtxn.Time_in_IE, ddtxn.Time_in_IE1, stats[ddtxn.NSTASHED], *ddtxn.UseRLocks, *ddtxn.WRRatio, stats[ddtxn.NSAMPLES], stats[ddtxn.NGETKEYCALLS], stats[ddtxn.NDDWRITES], stats[ddtxn.NO_LOCK], stats[ddtxn.NFAIL_VERIFY], stats[ddtxn.NDIDSTASHED], ddtxn.Nfast, gave_upr[0], gave_upw[0], ending_retries, coord.PotentialPhaseChanges, coord.TotalCoordTime, coord.MergeTime, coord.ReadTime, coord.GoTime, nwait, nnoticed, nmerge, nmergewait, njoin, njoinwait, stats[ddtxn.NREADABORTS])
fmt.Printf(out)
fmt.Printf("\n")
f, err := os.OpenFile(*dataFile, os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0600)
if err != nil {
panic(err)
}
defer f.Close()
fmt.Printf("DD: %v\n", coord.Workers[0].Store().DD())
ddtxn.PrintStats(out, stats, f, coord, s, *nbidders)
x, y := coord.Latency()
f.WriteString(x)
f.WriteString(y)
f.WriteString("\n")
}