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opcode (aup's examples/linebreak.aup, the properties as data: 2,787 ranges from the UCD 16.0 Vega's text is frozen at, built by Vega's text/unicode.py, loaded once): every line of LineBreakTest.txt (16,672) and 2,000 random lines (their boundaries as linebreak.py, the Python reference, which passes the test whole, works them out) right on the three paths, the paths' outputs the same; module_specs in make check: the ranges and the lines kept in tests/specs/linebreak (derived from the UCD, the Unicode License v3's notice), run by pure-run --views; bars: written, no workaround (three frictions: hex literals always i64, number no let's name, a let's list one a line), 176 lines against Python's 99, 6,920 ns a code point against Vega's C 34.7 (199x), pure Python 2,523 (Pure 2.7x slower), 1,774 instructions a code point (setup 260, the ranges' binary search 360, decide about 1,150 a boundary); the decisions before 8 (box layout: Taffy can be fetched by cargo, a subset to choose first; as a handler) and 10 (a one-shot timer is a core primitive one spec needs: noted, not made); the suite table's row 5; CHECKPOINT's direction row
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with no new opcode (aup's examples/http.aup: each packet an event, its bytes added to what the last left, every request they complete read, h11's grammar): 200 streams (132,623 bytes, 578 requests: methods, targets, HTTP/1.1 and a last 1.0, mixed-case names, spaces around values, Content-Length and chunked bodies with extensions and trailers, some ending in part of a request) fed whole, at random boundaries and a byte at a time (the 50 under 400 bytes), the requests read h11's on every cut and the bytes left those after them, the three paths' outputs the same bytes; 200 damaged streams fed whole as http_requests.py (the Python reference) reads them, 35 refused by both and 165 the same; module_specs in make check: 80 streams and their reading (tests/specs/http, no h11 at check time) whole on the three paths and cut 88 ways; bars: written, three workarounds (the bytes left in a list of one: bytes are no state; names and codings compared as text: bytes have no ==; field lines returned in a record: a fn returns no bare list), 159 lines against Python's 79, 278 ns a byte against the same algorithm in C 3.27 (85x), pure Python 67 (its bytes methods are C: Pure 4.1x slower), h11 284; 140's decision point after 027: bytes alone as a state (inflate, HTTP) and bytes' == (DNS, HTTP) now each met by two written specs, so the two-spec rule lets them into the core (their design not begun); a view calling a block fn met by one (DNS); aup's three its compiler's; CHECKPOINT's direction row
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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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examples/json.aup, 80 lines against the same design's 90 in Python): JSONTestSuite's 95 y_ cases taken and 188 n_ refused, 21 of the 35 i_ taken, the three paths alike, in make check (module_specs, the 316 small cases in tests/specs/json under their MIT license, the two large ones made and hashed); 116 times C's time and 1.2 times plain Python's (299 ns a byte, 339 instructions); && and || made to decide alone (writing it, i < n && d[i] read past the end) with AND and OR kept where the right side cannot fail, every other module byte for byte the same; SHA-256 again with formats and joined bytes, 42 lines and 159 times C
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