encoders = new PackedInts.Encoder[33];
decoders = new PackedInts.Decoder[33];
iterations = new int[33];
for (int bpv = 1; bpv <= 32; ++bpv) {
final FormatAndBits formatAndBits = PackedInts.fastestFormatAndBits(
BLOCK_SIZE, bpv, acceptableOverheadRatio);
assert formatAndBits.format.isSupported(formatAndBits.bitsPerValue);
assert formatAndBits.bitsPerValue <= 32;
encodedSizes[bpv] = encodedSize(formatAndBits.format, PackedInts.VERSION_CURRENT, formatAndBits.bitsPerValue);
encoders[bpv] = PackedInts.getEncoder(