describe(`random values out of ${numPossibleValues} possible`, () => {
const dataType = DataType.UINT64;
for (let volumeSize of [vec4.fromValues(64, 64, 64, 1), vec4.fromValues(36, 36, 36, 1), ]) {
const numElements = prod4(volumeSize);
let rawData = makeRandomUint64Array(numElements, numPossibleValues);
runTest(dataType, volumeSize, rawData, vec888);
}
});
it(`round trip ${volumeSize.join(',')} with blockSize ${vec3Key(blockSize)}`, () => {
const numPossibleValues = 15;
const input = makeRandomUint32Array(prod4(volumeSize), numPossibleValues);
const output = new Uint32ArrayBuilder();
encodeChannels(output, blockSize, input, volumeSize);
const decoded = new Uint32Array(input.length);
decodeChannels(decoded, output.view, 0, volumeSize, blockSize);
expect(decoded).toEqual(input);
});
describe('random values', () => {
for (let volumeSize of [vec4.fromValues(64, 64, 64, 1), vec4.fromValues(36, 36, 36, 1), ]) {
const numElements = prod4(volumeSize);
let rawData = new Uint32Array(numElements * 2);
getRandomValues(rawData);
runTest(DataType.UINT64, volumeSize, rawData, vec888);
}
for (let volumeSize of [vec4.fromValues(13, 17, 23, 1), vec4.fromValues(13, 17, 23, 2), ]) {
const numElements = prod4(volumeSize);
{
let rawData = new Uint32Array(numElements * 2);
getRandomValues(rawData);
runTest(DataType.UINT64, volumeSize, rawData, vec888);
}
{
let rawData = new Uint32Array(numElements);
getRandomValues(rawData);
runTest(DataType.UINT32, volumeSize, rawData, vec888);
}
}
});
suite('compressed_segmentation', () => {
const blockSize = [8, 8, 8];
const output = new Uint32ArrayBuilder(1000000);
for (let volumeSize of [ //
[16, 16, 16, 1], //
// [64, 64, 64, 1], //
]) {
const numPossibleValues = 15;
const input = makeRandomUint64Array(prod4(volumeSize), numPossibleValues);
benchmark(`encode_uint64 ${vec3Key(volumeSize)}`, () => {
output.clear();
encodeChannelsUint64(output, blockSize, input, volumeSize);
});
}
});
describe(`sequential values blockSize=${vec3Key(compressedSegmentationBlockSize)}`, () => {
for (let volumeSize of [vec4.fromValues(13, 17, 23, 1), vec4.fromValues(13, 17, 23, 2), ]) {
const numElements = prod4(volumeSize);
{
let rawData = new Uint32Array(numElements * 2);
for (let i = 0; i < rawData.length; ++i) {
rawData[i] = i;
}
runTest(DataType.UINT64, volumeSize, rawData, compressedSegmentationBlockSize);
}
{
let rawData = new Uint32Array(numElements);
for (let i = 0; i < rawData.length; ++i) {
rawData[i] = i;
}
runTest(DataType.UINT32, volumeSize, rawData, compressedSegmentationBlockSize);
}
}
});