adriancole edited a comment on issue #2579: Benchmark bytes / bytebuffer, protobuf vs zipkin vs wire. URL: https://github.com/apache/incubator-zipkin/pull/2579#issuecomment-491278374 cc also @swankjesse as this sort of thing is fun.. I think special peeking aside, it might boil down to if we can manage to read proto bytes as hex. if we can definitely wire should be better than it is now.. I added this to wire's ProtoReader though haven't tested it quite yet ```kotlin // stolen from okio private val HEX_DIGITS = charArrayOf('0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f') @Suppress("NOTHING_TO_INLINE") internal inline fun hex(data: BufferedSource, byteCount: Int): String { val result = CharArray(byteCount * 2) var i = 0 while (i < result.size) { val b = data.readByte().toInt(); result[i++] = HEX_DIGITS[b shr 4 and 0xf] result[i++] = HEX_DIGITS[b and 0xf] // ktlint-disable no-multi-spaces } return String(result) } /** * Reads a `bytes` field value from the stream as a lower-hex string. The length is read from the * stream prior to the actual data. */ @Throws(IOException::class) fun readBytesAsHex(): String { val byteCount = beforeLengthDelimitedScalar() source.require(byteCount) // Throws EOFException if insufficient bytes are available. return hex(source, byteCount.toInt()) } ```
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