add script to set up ispc for benchmarks

.gitignore

@@ -1,2 +1,55 @@
 Cargo.lock
 target/
+
+# llvm-ir and assembly
+*.ll
+*.d
+
+# png files output by benchmarks
+*.png
+
+# -*- mode: gitignore; -*-
+*~
+\#*\#
+/.emacs.desktop
+/.emacs.desktop.lock
+*.elc
+auto-save-list
+tramp
+.\#*
+
+# Org-mode
+.org-id-locations
+*_archive
+
+# flymake-mode
+*_flymake.*
+
+# eshell files
+/eshell/history
+/eshell/lastdir
+
+# elpa packages
+/elpa/
+
+# reftex files
+*.rel
+
+# AUCTeX auto folder
+/auto/
+
+# cask packages
+.cask/
+dist/
+
+# Flycheck
+flycheck_*.el
+
+# server auth directory
+/server/
+
+# projectiles files
+.projectile
+
+# directory configuration
+.dir-locals.el

.travis.yml

@@ -160,11 +160,11 @@ matrix:
       osx_image: xcode9.4
     # BENCHMARKS:
     - name: "Benchmarks - x86_64-unknown-linux-gnu"
-      install: rustup component add rustfmt-preview
-      script: NORUN=1 FEATURES=coresimd,ispc,sleef-sys ci/benchmark.sh
+      install: TARGET=x86_64-unknown-linux-gnu ./ci/setup_benchmarks.sh
+      script: PATH=$(pwd):$PATH NORUN=1 FEATURES=coresimd,ispc,sleef-sys ci/benchmark.sh
     - name: "Benchmarks - x86_64-apple-darwin"
-      install: rustup component add rustfmt-preview
-      script: NORUN=1 FEATURES=coresimd,ispc,sleef-sys ci/benchmark.sh
+      install: TARGET=x86_64-apple-darwin ./ci/setup_benchmarks.sh
+      script: PATH=$(pwd):$PATH NORUN=1 FEATURES=coresimd,ispc,sleef-sys ci/benchmark.sh
       os: osx
       osx_image: xcode9.4
     # TOOLS:

ci/benchmark.sh

@@ -9,7 +9,14 @@ set -ex
 
 if [[ ${NORUN} != 1 ]]; then
     # Most benchmarks require hyperfine; require it upfront.
-    hash hyperfine 2>/dev/null || { echo >&2 "hyperfine is not installed. Aborting."; exit 1; }
+    hash hyperfine 2>/dev/null || { echo >&2 "hyperfine is not in PATH."; exit 1; }
+fi
+
+
+# If the ispc benchmark feature is enabled, ispc must be in the path of the
+# benchmarks. 
+if echo "$FEATURES" | grep -q "ispc"; then
+    hash ispc 2>/dev/null || { echo >&2 "ispc is not in PATH."; exit 1; }
 fi
 
 # An example with a benchmark.sh is a benchmark:

ci/setup_benchmarks.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+set -ex
+
+# Get latest ISPC binary for the target and put it in the path
+git clone https://github.com/gnzlbg/ispc-binaries
+cp ispc-binaries/ispc-${TARGET} ispc
+
+# Rust-bindgen requires RUSTFMT
+rustup component add rustfmt-preview

examples/aobench/benchmark.sh

@@ -7,8 +7,13 @@ set -ex
 export WIDTH=800
 export HEIGHT=600
 
+if [[ ${NORUN} != 1 ]]; then
+    hash hyperfine 2>/dev/null || { echo >&2 "hyperfine is not in PATH."; exit 1; }
+fi
+
 ALGS=("scalar" "scalar_par" "vector" "vector_par" "tiled" "tiled_par")
 if echo "$FEATURES" | grep -q "ispc"; then
+    hash ispc 2>/dev/null || { echo >&2 "ispc is not in PATH."; exit 1; }
     ALGS+=("ispc" "ispc_tasks")
 fi
 

examples/mandelbrot/benchmark.sh

@@ -7,6 +7,14 @@ set -ex
 WIDTH=800
 HEIGHT=800
 
+if [[ ${NORUN} != 1 ]]; then
+    hash hyperfine 2>/dev/null || { echo >&2 "hyperfine is not in PATH."; exit 1; }
+fi
+
+if echo "$FEATURES" | grep -q "ispc"; then
+    hash ispc 2>/dev/null || { echo >&2 "ispc is not in PATH."; exit 1; }
+fi
+
 RUSTFLAGS="-C target-cpu=native ${RUSTFLAGS}" \
          cargo build --release --features="${FEATURES}"
 

examples/stencil/benchmark.sh

@@ -4,8 +4,13 @@
 
 set -ex
 
+if [[ ${NORUN} != 1 ]]; then
+    hash hyperfine 2>/dev/null || { echo >&2 "hyperfine is not in PATH."; exit 1; }
+fi
+
 algs=("0" "1" "2")
 if echo "$FEATURES" | grep -q "ispc"; then
+    hash ispc 2>/dev/null || { echo >&2 "ispc is not in PATH."; exit 1; }
     algs+=( "3" "4" )
 fi