Added benchmark script for small matrix sizes, testing the direct GEMM kernels

scripts/graphs/common.r

@@ -31,8 +31,12 @@ options("width"=170)
 
 # ==================================================================================================
 
-# Constants
-num_runs <- 4
+# Settings
+num_runs <- 5
+num_runs_short <- 50
+xtics_subset_threshold <- 100
+xtics_subset_stepsize <- 8
+
 devices <- c("-platform","-device")
 options_string <- "-q -no_abbrv -cblas 0"
 library_names <- c("CLBlast", "clBLAS")
@@ -66,11 +70,21 @@ main <- function(routine_name, precision, test_names, test_values,
   executable <- paste("./clblast_client_", routine_name, sep="")
 
   # Configures the outputfile
-  pdf(paste(display_name, ".pdf", sep=""), height=8, width=13)
-  par(mfrow=c(2, 3))
-  par(oma=c(0, 0, 0, 0))
-  par(mar=c(4.6, 4.4, 1.5, 0)) # bottom, left, top, right [c(5.1, 4.1, 4.1, 2.1)]
-  par(mgp=c(2.8, 0.6, 0)) # location of xlab/ylab, tick-mark labels, tick marks [c(3, 1, 0)]
+  file_name <- paste(display_name, ".pdf", sep="")
+  if (length(test_names) == 6) {
+    pdf(file_name, height=8, width=13)
+    par(mfrow=c(2, 3))
+    par(oma=c(0, 0, 0, 0))
+    par(mar=c(4.6, 4.4, 1.5, 0)) # bottom, left, top, right [c(5.1, 4.1, 4.1, 2.1)]
+    par(mgp=c(2.8, 0.6, 0)) # location of xlab/ylab, tick-mark labels, tick marks [c(3, 1, 0)]
+  }
+  else { # length(test_names) == 2
+    pdf(file_name, height=8, width=13)
+    par(mfrow=c(2, 1))
+    par(oma=c(0, 0, 0, 0))
+    par(mar=c(4.6, 4.4, 1.5, 0)) # bottom, left, top, right [c(5.1, 4.1, 4.1, 2.1)]
+    par(mgp=c(2.8, 0.6, 0)) # location of xlab/ylab, tick-mark labels, tick marks [c(3, 1, 0)]
+  }
 
   # Loops over the test-cases
   for (test_id in 1:length(test_names)) {
@@ -169,7 +183,12 @@ plot_graph <- function(xdata, ydata, log_setting,
        main="", xlab="", ylab="",
        ylim=c(ymin, ymax), xlim=c(xmin, xmax), axes=F, "n")
   axis(side=2, las=2)
-  axis(side=1, at=xdata, labels=xtics, las=2)
+  if (length(xdata) > xtics_subset_threshold) {  # Too many indices to print, plot only every Nth
+    subset <- seq(from=1, to=length(xdata), by=xtics_subset_stepsize)
+    axis(side=1, at=xdata[subset], labels=xtics[subset], las=2)
+  } else {
+    axis(side=1, at=xdata, labels=xtics, las=2)
+  }
   title(xlab=xlabel, line=-1)
   title(ylab=ylabel, line=2)
   title(graph_title, line=-2)

scripts/graphs/xgemm_small.r

@@ -0,0 +1,56 @@
+
+# ==================================================================================================
+# This file is part of the CLBlast project. The project is licensed under Apache Version 2.0. This
+# project uses a tab-size of two spaces and a max-width of 100 characters per line.
+#
+# Author(s):
+#   Cedric Nugteren <www.cedricnugteren.nl>
+#
+# This file implements the performance script for small sizes of Xgemm, testing the direct kernel
+#
+# ==================================================================================================
+
+# Includes the common functions
+args <- commandArgs(trailingOnly = FALSE)
+thisfile <- (normalizePath(sub("--file=", "", args[grep("--file=", args)])))
+source(file.path(dirname(thisfile), "common.r"))
+
+# ==================================================================================================
+
+# Settings
+routine_name <- "xgemm"
+parameters <- c("-m","-n","-k","-layout","-transA","-transB",
+                "-num_steps","-step","-runs","-precision")
+precision <- 32
+
+# Sets the names of the test-cases
+test_names <- list(
+  "small matrices in steps of 16",
+  "small matrices in steps of 1"
+)
+
+# Defines the test-cases
+test_values <- list(
+  list(c( 128,  128,  128, 102, 111, 111, 57, 16, num_runs_short, precision)),
+  list(c( 128,  128,  128, 102, 111, 111, 385, 1, num_runs_short, precision))
+)
+
+# Defines the x-labels corresponding to the test-cases
+test_xlabels <- list(
+  "matrix sizes (m=n=k)",
+  "matrix sizes (m=n=k)"
+)
+
+# Defines the x-axis of the test-cases
+test_xaxis <- list(
+  c("m", ""),
+  c("m", "")
+)
+
+# ==================================================================================================
+
+# Start the script
+main(routine_name=routine_name, precision=precision, test_names=test_names, test_values=test_values,
+     test_xlabels=test_xlabels, test_xaxis=test_xaxis, metric_gflops=TRUE)
+
+# ==================================================================================================