mirror of
https://github.com/andre-wojtowicz/blas-benchmarks
synced 2024-11-22 04:35:27 +01:00
added R-benchmark and revolution-benchmark
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R-benchmark-25.R
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387
R-benchmark-25.R
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# source: http://r.research.att.com/benchmarks/R-benchmark-25.R
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# R Benchmark 2.5 (06/2008) [Simon Urbanek]
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# version 2.5: scaled to get roughly 1s per test, R 2.7.0 @ 2.6GHz Mac Pro
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# R Benchmark 2.4 (06/2008) [Simon Urbanek]
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# version 2.4 adapted to more recent Matrix package
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# R Benchmark 2.3 (21 April 2004)
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# Warning: changes are not carefully checked yet!
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# version 2.3 adapted to R 1.9.0
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# Many thanks to Douglas Bates (bates@stat.wisc.edu) for improvements!
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# version 2.2 adapted to R 1.8.0
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# version 2.1 adapted to R 1.7.0
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# version 2, scaled to get 1 +/- 0.1 sec with R 1.6.2
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# using the standard ATLAS library (Rblas.dll)
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# on a Pentium IV 1.6 Ghz with 1 Gb Ram on Win XP pro
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# revised and optimized for R v. 1.5.x, 8 June 2002
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# Requires additionnal libraries: Matrix, SuppDists
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# Author : Philippe Grosjean
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# eMail : phgrosjean@sciviews.org
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# Web : http://www.sciviews.org
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# License: GPL 2 or above at your convenience (see: http://www.gnu.org)
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#
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# Several tests are adapted from the Splus Benchmark Test V. 2
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# by Stephan Steinhaus (stst@informatik.uni-frankfurt.de)
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# Reference for Escoufier's equivalents vectors (test III.5):
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# Escoufier Y., 1970. Echantillonnage dans une population de variables
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# aleatoires réelles. Publ. Inst. Statis. Univ. Paris 19 Fasc 4, 1-47.
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#
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# type source("c:/<dir>/R2.R") to start the test
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runs <- 3 # Number of times the tests are executed
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times <- rep(0, 15); dim(times) <- c(5,3)
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require(Matrix) # Optimized matrix operations
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require(SuppDists) # Optimized random number generators
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#Runif <- rMWC1019 # The fast uniform number generator
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Runif <- runif
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# If you don't have SuppDists, you can use: Runif <- runif
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#a <- rMWC1019(10, new.start=TRUE, seed=492166) # Init. the generator
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#Rnorm <- rziggurat # The fast normal number generator
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# If you don't have SuppDists, you can use: Rnorm <- rnorm
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#b <- rziggurat(10, new.start=TRUE) # Init. the generator
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Rnorm <- rnorm
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remove("a", "b")
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options(object.size=100000000)
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cat("\n\n R Benchmark 2.5\n")
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cat(" ===============\n")
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cat(c("Number of times each test is run__________________________: ", runs))
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cat("\n\n")
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cat(" I. Matrix calculation\n")
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cat(" ---------------------\n")
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if (R.Version()$os == "Win32" || R.Version()$os == "mingw32") flush.console()
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# (1)
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cumulate <- 0; a <- 0; b <- 0
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for (i in 1:runs) {
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invisible(gc())
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timing <- system.time({
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a <- matrix(Rnorm(2500*2500)/10, ncol=2500, nrow=2500);
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b <- t(a);
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dim(b) <- c(1250, 5000);
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a <- t(b)
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})[3]
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cumulate <- cumulate + timing
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}
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timing <- cumulate/runs
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times[1, 1] <- timing
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cat(c("Creation, transp., deformation of a 2500x2500 matrix (sec): ", timing, "\n"))
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remove("a", "b")
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if (R.Version()$os == "Win32" || R.Version()$os == "mingw32") flush.console()
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# (2)
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cumulate <- 0; b <- 0
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for (i in 1:runs) {
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a <- abs(matrix(Rnorm(2500*2500)/2, ncol=2500, nrow=2500));
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invisible(gc())
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timing <- system.time({
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b <- a^1000
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})[3]
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cumulate <- cumulate + timing
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}
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timing <- cumulate/runs
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times[2, 1] <- timing
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cat(c("2400x2400 normal distributed random matrix ^1000____ (sec): ", timing, "\n"))
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remove("a", "b")
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if (R.Version()$os == "Win32" || R.Version()$os == "mingw32") flush.console()
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# (3)
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cumulate <- 0; b <- 0
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for (i in 1:runs) {
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a <- Rnorm(7000000)
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invisible(gc())
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timing <- system.time({
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b <- sort(a, method="quick") # Sort is modified in v. 1.5.x
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# And there is now a quick method that better competes with other packages!!!
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})[3]
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cumulate <- cumulate + timing
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}
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timing <- cumulate/runs
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times[3, 1] <- timing
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cat(c("Sorting of 7,000,000 random values__________________ (sec): ", timing, "\n"))
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remove("a", "b")
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if (R.Version()$os == "Win32" || R.Version()$os == "mingw32") flush.console()
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# (4)
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cumulate <- 0; b <- 0
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for (i in 1:runs) {
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a <- Rnorm(2800*2800); dim(a) <- c(2800, 2800)
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invisible(gc())
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timing <- system.time({
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b <- crossprod(a) # equivalent to: b <- t(a) %*% a
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})[3]
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cumulate <- cumulate + timing
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}
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timing <- cumulate/runs
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times[4, 1] <- timing
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cat(c("2800x2800 cross-product matrix (b = a' * a)_________ (sec): ", timing, "\n"))
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remove("a", "b")
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if (R.Version()$os == "Win32" || R.Version()$os == "mingw32") flush.console()
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# (5)
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cumulate <- 0; c <- 0; qra <-0
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for (i in 1:runs) {
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a <- new("dgeMatrix", x = Rnorm(2000*2000), Dim = as.integer(c(2000,2000)))
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b <- as.double(1:2000)
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invisible(gc())
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timing <- system.time({
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c <- solve(crossprod(a), crossprod(a,b))
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})[3]
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cumulate <- cumulate + timing
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# This is the old method
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#a <- Rnorm(600*600); dim(a) <- c(600,600)
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#b <- 1:600
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#invisible(gc())
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#timing <- system.time({
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# qra <- qr(a, tol = 1e-7);
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# c <- qr.coef(qra, b)
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# #Rem: a little faster than c <- lsfit(a, b, inter=F)$coefficients
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#})[3]
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#cumulate <- cumulate + timing
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}
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timing <- cumulate/runs
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times[5, 1] <- timing
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cat(c("Linear regr. over a 3000x3000 matrix (c = a \\ b')___ (sec): ", timing, "\n"))
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remove("a", "b", "c", "qra")
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if (R.Version()$os == "Win32" || R.Version()$os == "mingw32") flush.console()
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times[ , 1] <- sort(times[ , 1])
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cat(" --------------------------------------------\n")
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cat(c(" Trimmed geom. mean (2 extremes eliminated): ", exp(mean(log(times[2:4, 1]))), "\n\n"))
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cat(" II. Matrix functions\n")
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cat(" --------------------\n")
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if (R.Version()$os == "Win32") flush.console()
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# (1)
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cumulate <- 0; b <- 0
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for (i in 1:runs) {
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a <- Rnorm(2400000)
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invisible(gc())
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timing <- system.time({
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b <- fft(a)
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})[3]
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cumulate <- cumulate + timing
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}
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timing <- cumulate/runs
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times[1, 2] <- timing
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cat(c("FFT over 2,400,000 random values____________________ (sec): ", timing, "\n"))
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remove("a", "b")
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if (R.Version()$os == "Win32" || R.Version()$os == "mingw32") flush.console()
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# (2)
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cumulate <- 0; b <- 0
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for (i in 1:runs) {
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a <- array(Rnorm(600*600), dim = c(600, 600))
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# Only needed if using eigen.Matrix(): Matrix.class(a)
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invisible(gc())
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timing <- system.time({
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b <- eigen(a, symmetric=FALSE, only.values=TRUE)$Value
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# Rem: on my machine, it is faster than:
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# b <- La.eigen(a, symmetric=F, only.values=T, method="dsyevr")$Value
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# b <- La.eigen(a, symmetric=F, only.values=T, method="dsyev")$Value
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# b <- eigen.Matrix(a, vectors = F)$Value
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})[3]
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cumulate <- cumulate + timing
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}
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timing <- cumulate/runs
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times[2, 2] <- timing
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cat(c("Eigenvalues of a 640x640 random matrix______________ (sec): ", timing, "\n"))
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remove("a", "b")
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if (R.Version()$os == "Win32" || R.Version()$os == "mingw32") flush.console()
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# (3)
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cumulate <- 0; b <- 0
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for (i in 1:runs) {
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a <- Rnorm(2500*2500); dim(a) <- c(2500, 2500)
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#Matrix.class(a)
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invisible(gc())
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timing <- system.time({
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#b <- determinant(a, logarithm=F)
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# Rem: the following is slower on my computer!
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# b <- det.default(a)
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b <- det(a)
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})[3]
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cumulate <- cumulate + timing
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}
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timing <- cumulate/runs
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times[3, 2] <- timing
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cat(c("Determinant of a 2500x2500 random matrix____________ (sec): ", timing, "\n"))
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remove("a", "b")
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if (R.Version()$os == "Win32" || R.Version()$os == "mingw32") flush.console()
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# (4)
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cumulate <- 0; b <- 0
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for (i in 1:runs) {
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a <- crossprod(new("dgeMatrix", x = Rnorm(3000*3000),
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Dim = as.integer(c(3000, 3000))))
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invisible(gc())
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#a <- Rnorm(900*900); dim(a) <- c(900, 900)
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#a <- crossprod(a, a)
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timing <- system.time({
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b <- chol(a)
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})[3]
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cumulate <- cumulate + timing
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}
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timing <- cumulate/runs
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times[4, 2] <- timing
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cat(c("Cholesky decomposition of a 3000x3000 matrix________ (sec): ", timing, "\n"))
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remove("a", "b")
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if (R.Version()$os == "Win32" || R.Version()$os == "mingw32") flush.console()
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# (5)
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cumulate <- 0; b <- 0
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for (i in 1:runs) {
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a <- new("dgeMatrix", x = Rnorm(1600*1600), Dim = as.integer(c(1600, 1600)))
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invisible(gc())
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#a <- Rnorm(400*400); dim(a) <- c(400, 400)
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timing <- system.time({
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# b <- qr.solve(a)
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# Rem: a little faster than
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b <- solve(a)
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})[3]
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cumulate <- cumulate + timing
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}
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timing <- cumulate/runs
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times[5, 2] <- timing
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cat(c("Inverse of a 1600x1600 random matrix________________ (sec): ", timing, "\n"))
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remove("a", "b")
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if (R.Version()$os == "Win32" || R.Version()$os == "mingw32") flush.console()
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times[ , 2] <- sort(times[ , 2])
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cat(" --------------------------------------------\n")
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cat(c(" Trimmed geom. mean (2 extremes eliminated): ", exp(mean(log(times[2:4, 2]))), "\n\n"))
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cat(" III. Programmation\n")
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cat(" ------------------\n")
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if (R.Version()$os == "Win32" || R.Version()$os == "mingw32") flush.console()
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# (1)
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cumulate <- 0; a <- 0; b <- 0; phi <- 1.6180339887498949
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for (i in 1:runs) {
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a <- floor(Runif(3500000)*1000)
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invisible(gc())
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timing <- system.time({
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b <- (phi^a - (-phi)^(-a))/sqrt(5)
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})[3]
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cumulate <- cumulate + timing
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}
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timing <- cumulate/runs
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times[1, 3] <- timing
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cat(c("3,500,000 Fibonacci numbers calculation (vector calc)(sec): ", timing, "\n"))
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remove("a", "b", "phi")
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if (R.Version()$os == "Win32" || R.Version()$os == "mingw32") flush.console()
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# (2)
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cumulate <- 0; a <- 3000; b <- 0
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for (i in 1:runs) {
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invisible(gc())
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timing <- system.time({
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b <- rep(1:a, a); dim(b) <- c(a, a);
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b <- 1 / (t(b) + 0:(a-1))
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# Rem: this is twice as fast as the following code proposed by R programmers
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# a <- 1:a; b <- 1 / outer(a - 1, a, "+")
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})[3]
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cumulate <- cumulate + timing
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}
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timing <- cumulate/runs
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times[2, 3] <- timing
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cat(c("Creation of a 3000x3000 Hilbert matrix (matrix calc) (sec): ", timing, "\n"))
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remove("a", "b")
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if (R.Version()$os == "Win32" || R.Version()$os == "mingw32") flush.console()
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# (3)
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cumulate <- 0; c <- 0
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gcd2 <- function(x, y) {if (sum(y > 1.0E-4) == 0) x else {y[y == 0] <- x[y == 0]; Recall(y, x %% y)}}
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for (i in 1:runs) {
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a <- ceiling(Runif(400000)*1000)
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b <- ceiling(Runif(400000)*1000)
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invisible(gc())
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timing <- system.time({
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c <- gcd2(a, b) # gcd2 is a recursive function
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})[3]
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cumulate <- cumulate + timing
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}
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timing <- cumulate/runs
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times[3, 3] <- timing
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cat(c("Grand common divisors of 400,000 pairs (recursion)__ (sec): ", timing, "\n"))
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remove("a", "b", "c", "gcd2")
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if (R.Version()$os == "Win32" || R.Version()$os == "mingw32") flush.console()
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# (4)
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cumulate <- 0; b <- 0
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for (i in 1:runs) {
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b <- rep(0, 500*500); dim(b) <- c(500, 500)
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invisible(gc())
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timing <- system.time({
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# Rem: there are faster ways to do this
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# but here we want to time loops (220*220 'for' loops)!
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for (j in 1:500) {
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for (k in 1:500) {
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b[k,j] <- abs(j - k) + 1
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}
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}
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})[3]
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cumulate <- cumulate + timing
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}
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timing <- cumulate/runs
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times[4, 3] <- timing
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cat(c("Creation of a 500x500 Toeplitz matrix (loops)_______ (sec): ", timing, "\n"))
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remove("b", "j", "k")
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if (R.Version()$os == "Win32" || R.Version()$os == "mingw32") flush.console()
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# (5)
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cumulate <- 0; p <- 0; vt <- 0; vr <- 0; vrt <- 0; rvt <- 0; RV <- 0; j <- 0; k <- 0;
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x2 <- 0; R <- 0; Rxx <- 0; Ryy <- 0; Rxy <- 0; Ryx <- 0; Rvmax <- 0
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# Calculate the trace of a matrix (sum of its diagonal elements)
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Trace <- function(y) {sum(c(y)[1 + 0:(min(dim(y)) - 1) * (dim(y)[1] + 1)], na.rm=FALSE)}
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for (i in 1:runs) {
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x <- abs(Rnorm(45*45)); dim(x) <- c(45, 45)
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invisible(gc())
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timing <- system.time({
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# Calculation of Escoufier's equivalent vectors
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p <- ncol(x)
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vt <- 1:p # Variables to test
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vr <- NULL # Result: ordered variables
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RV <- 1:p # Result: correlations
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vrt <- NULL
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for (j in 1:p) { # loop on the variable number
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Rvmax <- 0
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for (k in 1:(p-j+1)) { # loop on the variables
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x2 <- cbind(x, x[,vr], x[,vt[k]])
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R <- cor(x2) # Correlations table
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Ryy <- R[1:p, 1:p]
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Rxx <- R[(p+1):(p+j), (p+1):(p+j)]
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Rxy <- R[(p+1):(p+j), 1:p]
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Ryx <- t(Rxy)
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rvt <- Trace(Ryx %*% Rxy) / sqrt(Trace(Ryy %*% Ryy) * Trace(Rxx %*% Rxx)) # RV calculation
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if (rvt > Rvmax) {
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Rvmax <- rvt # test of RV
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vrt <- vt[k] # temporary held variable
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}
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}
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vr[j] <- vrt # Result: variable
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RV[j] <- Rvmax # Result: correlation
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vt <- vt[vt!=vr[j]] # reidentify variables to test
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}
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})[3]
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cumulate <- cumulate + timing
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}
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times[5, 3] <- timing
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cat(c("Escoufier's method on a 45x45 matrix (mixed)________ (sec): ", timing, "\n"))
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remove("x", "p", "vt", "vr", "vrt", "rvt", "RV", "j", "k")
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remove("x2", "R", "Rxx", "Ryy", "Rxy", "Ryx", "Rvmax", "Trace")
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if (R.Version()$os == "Win32" || R.Version()$os == "mingw32") flush.console()
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times[ , 3] <- sort(times[ , 3])
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cat(" --------------------------------------------\n")
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cat(c(" Trimmed geom. mean (2 extremes eliminated): ", exp(mean(log(times[2:4, 3]))), "\n\n\n"))
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cat(c("Total time for all 15 tests_________________________ (sec): ", sum(times), "\n"))
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cat(c("Overall mean (sum of I, II and III trimmed means/3)_ (sec): ", exp(mean(log(times[2:4, ]))), "\n"))
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remove("cumulate", "timing", "times", "runs", "i")
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cat(" --- End of test ---\n\n")
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34
revolution-benchmark.R
Normal file
34
revolution-benchmark.R
Normal file
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# source: https://gist.github.com/andrie/24c9672f1ea39af89c66#file-rro-mkl-benchmark-r
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# Initialization
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set.seed (1)
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m <- 10000
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n <- 5000
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A <- matrix (runif (m*n),m,n)
|
||||
|
||||
# Matrix multiply
|
||||
system.time (B <- crossprod(A))
|
||||
|
||||
# Cholesky Factorization
|
||||
system.time (C <- chol(B))
|
||||
|
||||
# Singular Value Deomposition
|
||||
m <- 10000
|
||||
n <- 2000
|
||||
A <- matrix (runif (m*n),m,n)
|
||||
system.time (S <- svd (A,nu=0,nv=0))
|
||||
|
||||
# Principal Components Analysis
|
||||
m <- 10000
|
||||
n <- 2000
|
||||
A <- matrix (runif (m*n),m,n)
|
||||
system.time (P <- prcomp(A))
|
||||
|
||||
# Linear Discriminant Analysis
|
||||
library('MASS')
|
||||
g <- 5
|
||||
k <- round (m/2)
|
||||
A <- data.frame (A, fac=sample (LETTERS[1:g],m,replace=TRUE))
|
||||
train <- sample(1:m, k)
|
||||
system.time (L <- lda(fac ~., data=A, prior=rep(1,g)/g, subset=train))
|
||||
Loading…
Reference in New Issue
Block a user