140's 1, DNS messages (RFC 1035), written in aup with no new opcode (aup's examples/dns.aup: a message read by a handler into its header and records, names uncompressed in their wire form, those in NS, CNAME, PTR, MX, SOA and SRV data too, each pointer pointing before the last; written back by the view wire, the owners compressed): 400 messages dnspython made (148,582 bytes, 3,466 records: A, AAAA, NS, CNAME, PTR, MX, SOA, TXT, SRV, EDNS, shared suffixes, 63-byte labels, bytes above 0x7f, 245-byte names) read on the three paths as dnspython reads them (each section's records as a set) and written back to bytes dnspython reads as the same message, the paths' outputs the same bytes; 300 damaged messages as dns_message.py (the Python reference) reads them, 185 refused by both and 115 the same records and bytes; module_specs in make check: 200 of those messages (tests/specs/dns, no dnspython at check time) read on the three paths, written back and read again to the same state and bytes, 23 cut ones failing; dnspython shuffles a set's records unless want_shuffle is off, and merges a set's differing TTLs to the least; bars: written, two workarounds both the core's (bytes have no ==: TEXT_COMPARE takes text alone; a view calls no block fn: CALL is in handlers and functions alone), 115 lines against Python's 72, 244 ns a message byte read and written against the same algorithm in C 3.65 (67x), glibc's resolver reading alone 4.4, pure Python 131 (Pure 1.9x slower), 218 compiled; 63.6 instructions a byte, reading 42%, writing 58%; CHECKPOINT's direction row

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