#!/bin/sh

# This shell runs a bunch of benchmarks on some specific files
# available at Unidata. If you want to run this shell, you need these
# data files.

# This script gets and benchmarks against some 2D radar data.

# $Id: run_bm_radar_2D_endianness1.sh,v 1.1 2008/01/03 16:19:08 ed Exp $

set -e

# Radar 2D file. Make sure we have a local disk copy. Not much point
# in benchmarking read and write times over NFS!
TMP=/shecky/data
d1=20070803-2300
file_num=0
for t in 1 2 4
do
    file=${d1}_tile${t}-2d.nc3
    in_file[$file_num]=$file
    let file_num=$file_num+1
    if ! test -f $TMP/$file; then
	echo "getting file: $file"
	cp -f /upc/share/testdata/nssl/mosaic2d_nc/tile${t}/$d1.netcdf.gz $TMP
	gunzip -f $TMP/$d1.netcdf.gz
	cp $d1.netcdf $TMP/$file
    fi
done
num_in_files=${#in_file[@]}

# Copy the 2D rarar file into a netCDF-4 version, with various
# CHUNKING settings.
out1=radar_2d_endianness.csv
rm -rf $out1

# Turn on header (for the first run of bm_file).
h=-h

# Turn off compression and shuffle filters.
s=0
d=-1

# Set good chunksizes.
c0=501
c1=1001
file_num=0
for ((end=0; end <= 2 ; end++))
do
    # Confuse the disk buffering by copying the file each time, so
    # always reading a new file.
    cp $TMP/${in_file[${file_num}]} $TMP/cp_${in_file[${file_num}]}

    # Build the command including chunk sizes for all 13 vars.
    cmd="./bm_file -e $end $h -f 3 -d -o $TMP/$d1-2d.nc4 -c 0:${d}:${s}:${c0}:${c1}"
    for ((v=1; v < 12; v++))
    do
	cmd="$cmd,${v}:${d}:${s}:${c0}:${c1}"
    done
    cmd="$cmd $TMP/cp_${in_file[${file_num}]}"
    echo "cmd=$cmd"
    if ! ($cmd >> $out1); then
 	exit 1;
    fi
    
    # Remove the copy. Next read will a "new" file.
    rm $TMP/cp_${in_file[${file_num}]}

    # Turn off header next time around.
    h=
    
    # Switch to the next input file of three.
    let file_num=$file_num+1
    test $file_num -eq $num_in_files && file_num=0
done

exit 0