Prezados colegas da lista, estava tentando rodar este exemplo quando tive problema de alocação de memória, alguém poderia me ajudar a resolver? Att, Ari Clecius Alves de Lima Engenheiro Químico Me. Engenharia Civil (085)88412345 (085)33669042 #CMR processador: Intel(R) Core(TM) i3 CPU M380 @2.53GHz Memória instalada(RAM): 4,00 GB (utilizável:2,93) Sistema oeracional de 32 Bits R version 3.1.1 (2014-07-10) -- "Sock it to Me" Copyright (C) 2014 The R Foundation for Statistical Computing Platform: i386-w64-mingw32/i386 (32-bit) N <- 100000000 x <- runif(N) y <- runif(N) ok <- sum(x^2 + y^2 < 1) mc.pi <- 4 * ok / N sprintf("pi = %.6lf\n", mc.pi) #1ª tentativa
N <- 100000000 x <- runif(N) y <- runif(N) Error: cannot allocate vector of size 762.9 Mb In addition: Warning messages: 1: In runif(N) : Reached total allocation of 1535Mb: see help(memory.size) 2: In runif(N) : Reached total allocation of 1535Mb: see help(memory.size) 3: In runif(N) : Reached total allocation of 1535Mb: see help(memory.size) 4: In runif(N) : Reached total allocation of 1535Mb: see help(memory.size) ok <- sum(x^2 + y^2 < 1) Error: cannot allocate vector of size 762.9 Mb In addition: Warning messages: 1: Reached total allocation of 1535Mb: see help(memory.size) 2: Reached total allocation of 1535Mb: see help(memory.size) 3: Reached total allocation of 1535Mb: see help(memory.size) 4: Reached total allocation of 1535Mb: see help(memory.size) mc.pi <- 4 * ok / N Error: object 'ok' not found sprintf("pi = %.6lf\n", mc.pi) Error in sprintf("pi = %.6lf\n", mc.pi) : object 'mc.pi' not found
memory.size(2900) 2ª tentativa
N <- 100000000 x <- runif(N) Error: cannot allocate vector of size 762.9 Mb y <- runif(N) Error: cannot allocate vector of size 762.9 Mb ok <- sum(x^2 + y^2 < 1) Error: cannot allocate vector of size 762.9 Mb mc.pi <- 4 * ok / N Error: object 'ok' not found sprintf("pi = %.6lf\n", mc.pi) Error in sprintf("pi = %.6lf\n", mc.pi) : object 'mc.pi' not found