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...ad(fl2) 295.0654 301.8162 335.6266 308.3757 319.6965 1915.706 100 It looks like the max value is an outlier. So I tried: SECOND TEST: > sapply(1:10, function(x) system.time(n <- readRDS('file.rds'))[3]) elapsed elapsed elapsed elapsed elapsed elapsed elapsed elapsed elapsed elapsed 10.50 0.11 0.11 0.11...

...x)[2]) + y=y*x[,i] + return(y) + } > cumprod.matrix=function(x) + { + y=matrix(1,nrow=dim(x)[1],ncol=dim(x)[2]) + y[,1]=x[,1] + for (i in 2:dim(x)[2]) + y[,i]=y[,i-1]*x[,i] + return(y) + } > N=10000000 > xmat=matrix(runif(N),ncol=10) > system.time(cumprod.matrix(xmat)) user system elapsed 1.07 0.09 1.15 > system.time(t(apply(xmat,1,cumprod))) user system elapsed 29.27 0.21 29.50 > system.time(prod.matrix(xmat)) user system elapsed 0.29 0.00 0.30 > system.time(apply(xmat,1,prod)) user system elapsed 30.69 0.00 30.72 > xmat=matrix(runif(N),ncol=100) > system.time(...

...cross something useful. Probably many of you know this, but I didn't and so others might benefit. Using pch="." speeds up plotting considerably over using symbols. > x <- runif(1000000) > y <- runif(1000000) > system.time(plot(x, y, pch=".")) user system elapsed 1.042 0.030 1.077 > system.time(plot(x, y)) user system elapsed 37.865 0.033 38.122 If you have enough points, the result is also more legible. Choice of which pch symbol makes a difference too, the default pch=1 being the slowest of what I tried, but "." is by far the...

...301.8162 > 335.6266 308.3757 319.6965 1915.706 > 100 > > It looks like the max value is an outlier. > > So I tried: > SECOND TEST: > > sapply(1:10, function(x) system.time(n <- readRDS('file.rds'))[3]) > elapsed elapsed elapsed elapsed > elapsed elapsed elapsed > elapsed elapsed elapsed > 10.50 0.11 0.11 > 0.11...

...thing very odd when I apply convolve to ever larger vectors. Here is an example below with vectors ranging from 2^11 to 2^17. There is a funny bump up at 2^12. Then it gets very slow at 2^16. > for( i in 11:20 )print( system.time(convolve(1:2^i,1:2^i,type="o"))) user system elapsed 0.002 0.000 0.002 user system elapsed 0.373 0.002 0.375 user system elapsed 0.014 0.001 0.016 user system elapsed 0.031 0.002 0.034 user system elapsed 0.126 0.004 0.130 user system elapsed 194.095 0.013 194.185 user system elapsed 0.345...

...tions for * debug: ssh_connect: getuid 0 geteuid 0 anon 0 debug: Connecting to sco [207.234.31.38] port 22. debug: loaded 21 entropy commands from /usr/local/etc/ssh_prng_cmds debug: Seeding random number generator. debug: OpenSSL random status is now 0 debug: 3 bytes from system calls debug: Time elapsed: 20 msec debug: Got 0.06 bytes of entropy from 'ls -alni /var/log' debug: Time elapsed: 30 msec debug: Got 0.77 bytes of entropy from 'ls -alni /var/adm' debug: Time elapsed: 10 msec debug: Got 0.02 bytes of entropy from 'ls -alni /var/spool/mail' debug: Time elapsed: 40 ms...

...308.3757 319.6965 1915.706 >> 100 >> >> It looks like the max value is an outlier. >> >> So I tried: >> SECOND TEST: >> > sapply(1:10, function(x) system.time(n <- readRDS('file.rds'))[3]) >> elapsed elapsed elapsed >> elapsed elapsed elapsed elapsed >> elapsed elapsed elapsed >> 10.50 0.11 0.11 >> 0.11...

...=0, which is slightly faster than using the JIT compiler): R-3.4.2, LARGE VECTORS: > N <- 1e8; R <- 5 > #N <- 1e5; R <- 1000 > > x <- numeric(N) > i <- rep(FALSE, length(x))# no reycling > system.time(for (r in 1:R) a <- x[i]) user system elapsed 0.296 0.000 0.297 > i <- FALSE# recycling > system.time(for (r in 1:R) a <- x[i]) user system elapsed 0.416 0.000 0.418 > > x <- numeric(N) > i <- rep(TRUE, length(x))# no reycling > system.time(for (r in 1:R) a <- x[i])...

...s? : N > remote program directory : /root/smallfile-master > network thread sync. dir. : /var/www/test/network_shared > starting all threads by creating starting gate file > /var/www/test/network_shared/starting_gate.tmp > host = 192.168.140.41,thr = 00,elapsed = 1.232004,files = 5000,records = > 0,status = ok > host = 192.168.140.41,thr = 01,elapsed = 1.148738,files = 5000,records = > 0,status = ok > host = 192.168.140.41,thr = 02,elapsed = 1.130913,files = 5000,records = > 0,status = ok > host = 192.168.140.41,thr = 03,elapsed = 1.183...

...})) v <- seq(0,2,12000) print(system.time({for (i in 1:100000) u <- t(v)})) print(system.time({for (i in 1:100000) w <- t(u)})) Here are the times on an Intel Linux system: R version 2.11.1: Modified version: user system elapsed user system elapsed 1.190 0.040 1.232 0.610 0.010 0.619 user system elapsed user system elapsed 1.200 0.020 1.226 0.610 0.000 0.616 user system elapsed user system elapsed 0.800 0.010...

...?permute host directories? : N ? ? ? ? ? ? ? ? remote program directory : /root/smallfile-master ? ? ? ? ? ? ? ?network thread sync. dir. : /var/www/test/network_shared starting all threads by creating starting gate file /var/www/test/network_shared/starting_gate.tmp host = 192.168.140.41,thr = 00,elapsed = 1.232004,files = 5000,records = 0,status = ok host = 192.168.140.41,thr = 01,elapsed = 1.148738,files = 5000,records = 0,status = ok host = 192.168.140.41,thr = 02,elapsed = 1.130913,files = 5000,records = 0,status = ok host = 192.168.140.41,thr = 03,elapsed = 1.183088,files = 5000,records = 0,s...

Hi, I am using Van Dyke SecureCRT 3.2.1 to access an AIX server running OpenSSH-2.5.0p1. Using ssh1 with X11 forwarding enabled, the server reports the following error (in the client session): Packet integrity error. (34) This problem was not evident in 2.3.0p1. Running sshd in debug gives the output: debug1: sshd version OpenSSH_2.5.1p1 debug1: load_private_key_autodetect: type 0 RSA1

...ting Harding's algorithm: Harding, E.F. (1984): An Efficient, Minimal-storage Procedure for Calculating the Mann-Whitney U, Generalized U and Similar Distributions, App. Statist., 33, 1-6 Results on my computer show (against R-2.9.1): > system.time( dwilcox( 800, 800, 80) ) user system elapsed 0.240 0.180 0.443 > system.time( dwilcox( (1:2800), 80, 80) ) user system elapsed 0.290 0.020 0.30 > system.time( dwilcox( (1:2800), 160, 160) ) user system elapsed 0.810 0.060 0.868 > system.time( dwilcox( (1:28000), 210, 210) ) user system elapsed 17.700...

...5.0654 301.8162 335.6266 > 308.3757 319.6965 1915.706 100 > >It looks like the max value is an outlier. > >So I tried: >SECOND TEST: >> sapply(1:10, function(x) system.time(n <- readRDS('file.rds'))[3]) >elapsed elapsed elapsed >elapsed elapsed elapsed >elapsed elapsed elapsed >elapsed >10.50 0.11 0.11 >0.11...

...?permute host directories? : N ? ? ? ? ? ? ? ? remote program directory : /root/smallfile-master ? ? ? ? ? ? ? ?network thread sync. dir. : /var/www/test/network_shared starting all threads by creating starting gate file /var/www/test/network_shared/starting_gate.tmp host = 192.168.140.41,thr = 00,elapsed = 1.232004,files = 5000,records = 0,status = ok host = 192.168.140.41,thr = 01,elapsed = 1.148738,files = 5000,records = 0,status = ok host = 192.168.140.41,thr = 02,elapsed = 1.130913,files = 5000,records = 0,status = ok host = 192.168.140.41,thr = 03,elapsed = 1.183088,files = 5000,records = 0,s...

Hi Ben, here is the output from sshd -d -d -d: mvs2:sygm:/usr/local/sbin:#./sshd -d -d -d debug3: Reading output from 'ls -alni /var/log' debug3: Time elapsed: 459 msec debug2: Command 'ls -alni /var/log' timed out debug3: Got 0.00 bytes of entropy from 'ls -alni /var/log' debug3: Reading output from 'ls -alni /var/adm' debug3: Time elapsed: 143 msec debug2: Command 'ls -alni /var/adm' timed out debug3: Got 0.00 bytes of...

...e=T), x2=sample(seq.Date(Sys.Date() - 356*3,Sys.Date(), by="day"), 10^p, replace=T), y1=sample(1:100, 10^p, replace=T)) } > testby <- function(p) { df <- randomdf(p) system.time(by(df, df$x1, function(dfi) { min(dfi$x2) })) } > lapply(c(1,2,3,4,5), testby) [[1]] ? user ?system elapsed ?0.006 ? 0.000 ? 0.006 [[2]] ? user ?system elapsed ?0.024 ? 0.000 ? 0.025 [[3]] ? user ?system elapsed ?0.233 ? 0.000 ? 0.234 [[4]] ? user ?system elapsed ?1.996 ? 0.026 ? 2.022 [[5]] ? user ?system elapsed 11.030 ? 0.000 ?11.032 Strangely enough, not sure why this is, the result of by with...

setTimeLimit(elapsed=1) causes a timeout error whenever a call takes more than one second. For instance, this is how it works on Windows (R 3.3.1): > setTimeLimit(elapsed=1) > Sys.sleep(10); message("done") Error in Sys.sleep(10) : reached elapsed time limit Also, the error propagates immediately an...

I''m trying to time a function within Firefoxwith a pid$target probe [2]. e.g dtrace -Zqw -x dynvarsize=64m -x evaltime=preinit -p 13954 -s menu- construct.d -s sigcont.d elapsed: 12.7942481ms cpu : 7.7911194ms count : 40 times I''m also measuring Firefox startup time by running it arguments like this: ... file:///Users/joelr/work/mozilla/startup/startup.html#`python -c ''import time; print int(time.time() * 1000);''` startup.html [3] pri...

...Openssh-unix-dev at mindrot.org Thema: Antwort: Re: Problem with SSHD-Daemon (OpenSSH) (Document link: Michael Galonska) Hi Ben, here is the output from sshd -d -d -d: mvs2:sygm:/usr/local/sbin:#./sshd -d -d -d debug3: Reading output from 'ls -alni /var/log' debug3: Time elapsed: 459 msec debug2: Command 'ls -alni /var/log' timed out debug3: Got 0.00 bytes of entropy from 'ls -alni /var/log' debug3: Reading output from 'ls -alni /var/adm' debug3: Time elapsed: 143 msec debug2: Command 'ls -alni /var/adm' timed out debug3: Got 0.00 bytes of...