title: Different random number generation between OS in R
body: <p>I'm getting slightly different random numbers depending on the OS (Mac vs Linux):</p>
  
  <pre><code>set.seed(890458, kind="Mersenne-Twister", normal.kind="Inversion")
  print(rlnorm(1504)[1504], digits=22)
  sessionInfo()
  </code></pre>
  
  <p>Linux:</p>
  
  <pre><code>&gt; set.seed(890458, kind="Mersenne-Twister", normal.kind="Inversion")
  &gt; print(rlnorm(1504)[1504], digits=22)
  [1] 2.732876214731374542311
  
  &gt; sessionInfo()
  R version 3.4.0 (2017-04-21)
  Platform: x86_64-pc-linux-gnu (64-bit)
  Running under: Debian GNU/Linux 9 (stretch)
  
  Matrix products: default
  BLAS: /usr/lib/libblas/libblas.so.3.7.0
  LAPACK: /usr/lib/lapack/liblapack.so.3.7.0
  
  locale:
   [1] LC_CTYPE=en_US.UTF-8       LC_NUMERIC=C
   [3] LC_TIME=en_US.UTF-8        LC_COLLATE=en_US.UTF-8
   [5] LC_MONETARY=en_US.UTF-8    LC_MESSAGES=en_US.UTF-8
   [7] LC_PAPER=en_US.UTF-8       LC_NAME=C
   [9] LC_ADDRESS=C               LC_TELEPHONE=C
  [11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C
  
  attached base packages:
  [1] stats     graphics  grDevices utils     datasets  methods   base
  
  loaded via a namespace (and not attached):
  [1] compiler_3.4.0 tools_3.4.0    digest_0.6.12
  </code></pre>
  
  <p>Mac:</p>
  
  <pre><code>&gt; set.seed(890458, kind="Mersenne-Twister", normal.kind="Inversion")
  &gt; print(rlnorm(1504)[1504], digits=22)
  [1] 2.732876214731374098221
  
  &gt; sessionInfo()
  R version 3.4.0 (2017-04-21)
  Platform: x86_64-apple-darwin15.6.0 (64-bit)
  Running under: macOS Sierra 10.12.5
  
  Matrix products: default
  BLAS: /Library/Frameworks/R.framework/Versions/3.4/Resources/lib/libRblas.0.dylib
  LAPACK: /Library/Frameworks/R.framework/Versions/3.4/Resources/lib/libRlapack.dylib
  
  locale:
  [1] en_GB.UTF-8/en_GB.UTF-8/en_GB.UTF-8/C/en_GB.UTF-8/en_GB.UTF-8
  
  attached base packages:
  [1] stats     graphics  grDevices utils     datasets  methods   base
  
  loaded via a namespace (and not attached):
  [1] compiler_3.4.0 digest_0.6.12
  </code></pre>
  
  <p>Is this expected? Is there anyway to guarantee reproducibility across platforms? It also happens with rnorm rather than rlnorm but with higher numbers.</p>