private static void benchmark(
PrintWriter csvWriter,
String dataName,
String codecName,
IntegerCODEC codec,
int[][] data,
int repeat) {
PerformanceLogger logger = new PerformanceLogger();
int maxLen = getMaxLen(data);
int[] compressBuffer = new int[4 * maxLen + 1024];
int[] decompressBuffer = new int[maxLen];
for (int i = 0; i < repeat; ++i) {
for (int[] array : data) {
int compSize = compress(logger, codec, array, compressBuffer);
int decompSize = decompress(logger, codec, compressBuffer, compSize, decompressBuffer);
checkArray(array, decompressBuffer, decompSize, codec);
}
}
if (csvWriter != null) {
csvWriter.format(
"\"%1$s\",\"%2$s\",%3$.2f,%4$.0f,%5$.0f\n",
dataName,
codecName,
logger.getBitPerInt(),
logger.getCompressSpeed(),
logger.getDecompressSpeed());
}
}
private static int compress(PerformanceLogger logger, IntegerCODEC codec, int[] src, int[] dst) {
IntWrapper inpos = new IntWrapper();
IntWrapper outpos = new IntWrapper();
logger.compressionTimer.start();
codec.compress(src, inpos, src.length, dst, outpos);
logger.compressionTimer.end();
int outSize = outpos.get();
logger.addOriginalSize(src.length);
logger.addCompressedSize(outSize);
return outSize;
}