setup() — netty Function Reference

Source Code

microbench/src/main/java/io/netty/microbench/buffer/ByteBufAllocatorAllocPatternBenchmark.java lines 85–103

        @Setup
        public void setup(ByteBufAllocatorAllocPatternBenchmark benchmark) {
            this.allocator = benchmark.allocator;
            releaseIndexes = new int[MAX_LIVE_BUFFERS];
            sizes = new int[MathUtil.findNextPositivePowerOfTwo(FLATTEND_SIZE_ARRAY.length)];
            SplittableRandom rand = new SplittableRandom(SEED);
            // Pre-generate the to be released index.
            for (int i = 0; i < releaseIndexes.length; i++) {
                releaseIndexes[i] = rand.nextInt(releaseIndexes.length);
            }
            // Shuffle the `flattendSizeArray` to `sizes`.
            for (int i = 0; i < sizes.length; i++) {
                int sizeIndex = rand.nextInt(FLATTEND_SIZE_ARRAY.length);
                sizes[i] = FLATTEND_SIZE_ARRAY[sizeIndex];
            }
            nextReleaseIndex = 0;
            nextSizeIndex = 0;
            buffers = new ByteBuf[MAX_LIVE_BUFFERS];
        }