<%@include file="includes/setup.md.rsp"%> <%@string fcnname="count"%> <% fcnname <- "<%@string name="fcnname"%>" %> <%@meta title="${fcnname}() benchmarks"%> <%@meta author="Henrik Bengtsson"%> <%@meta date="2014-12-08"%> <%@include file="${header}"%> # <%@meta name="title"%> This report benchmark the performance of <%=fcnname%>() against alternative methods. ## Alternative methods * sum(x == value) <% for (mode in c("integer", "double")) { %> ## Data type "<%=mode%>" ### Data ```r <%=withCapture({ <%@include file="R/random-vectors.R"%> data <- rvectors(mode = mode) })%> ``` ### Results <% for (ii in seq_along(data)) { %> <% dataLabel <- names(data)[ii] mprintf("%s: %s\n", mode, dataLabel) x <- data[[dataLabel]] value <- 42 gc() %> ### <%=dataLabel%> vector ```r <%=withCapture({ x <- data[[.dataLabel.]] gc() stats <- microbenchmark( "count" = count(x, value), "sum(x == value)" = sum(x == value), unit = "ms" ) })%> ``` <% benchmarkResults(stats, tags=c(mode, dataLabel)) %> <% } # for (ii ...) %> <% } # for (mode ...) %> <%@include file="${footer}"%> <%--------------------------------------------------------------------------- HISTORY: 2014-11-01 o Created. ---------------------------------------------------------------------------%>