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each item's cells at its key's slot in its members' table, found by key there (the key and its cells read at one slot, as C's table); its order made by a radix sort of the slots' keys when something asks for a position (twice an event, then FLAT or a tree). The tier finds by key alone in a HASHED list (its bits' bit 1, its limit all ones: the bounds checked at a loop's opening still hold) out of the line; a list keyed by each count in order is DENSE from its first item. join 531 to 108 ms (3.5x C), sort 98 to 58 (2.1x)
arrays_equivalence counts the HASHED form against a tree; module_tier's programs read a HASHED list by key
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not past it; representation first, since a keyed list given keys in order stays FLAT and is searched by halves (knapsack's and matmul's 300x)
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place fault where they are; now is the host's per-event value); value numbering of pure operations, which words' floor assumes
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types and ranges, hoists the meaning's checks out of loops, counts work per loop, allocates registers; criteria on research 124's suite of seven kinds of work against C (each within 1.25x, the geometric mean below 1.0, the meaning's checks within 5%), from floors at 0.90x C
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