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holds a table (research 140's UAX #14 holds 2,787 ranges; printed at each of 16,672 commands, its first run's captured output used the Pi's memory up and it was reset)
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flagged PURE_TEXT_BYTES in state_flags (so serve's same_states compares it for queries and replaces), its TEXT_LOAD giving bytes and its TEXT_SET taking them, a cursor's ops on it refused (anchor in bytes) and an anchor in it refused at load; one store file text-NAME, the values record marking each bytes state (kind 7, its name, 8 zero bytes), a text state's file that is no UTF-8 its initial value when marked and store_error when not (as before); a replace carrying bytes to a text only when its draft is UTF-8, else opening the store's draft anew; pure-run shows a bytes state's hex; unit test bytes_states (seven starts from a store: 0xff and 0x00 kept, bytes to text to bytes to text with no UTF-8 and with it; three replaces; four refused); counts: b47 against b46 BFS with batches +0.12%, the rest within 0.001%; the bank's queries (s45 and s47 in turns, six each, bytes compared among them) in_credit -0.31%, per_branch -0.18%, ranks -0.11%, the rest within 0.01%, the seven answers the same bytes; Pure, Vega and aup checks green; 008, 028
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type a record field's (number, text, bool, i64, list, bytes; PURE_VIEW_TABLE now PURE_VIEW_LIST), a view entry 20 bytes (its table + 1, its items' record + 1, its list state + 1); a list view's rows a list state's items as they are or filtered (its record's fields its columns, made at load: each reads its item's field as it is), a list state's map (its columns following it, as tables were), or the items of a list its block leaves (copied into a kept list once a change, its rows and cells kept until the next); a list cell lent in its items' stored form (pure_app_cell_items, pure_items_next reading it), bytes as a text is; a pointing only at a list view over a state; pure-run writes bytes as hex and a list cell as an array of objects, pure-serve a bytes view as application/octet-stream and, in JSON, bytes as hex strings and list cells as arrays of objects; a hole closed: a view without a body never began its growth anew, so in a snapshot's reader (pure-serve's views) reading a kept list's list failed as memory (unreachable before 4e: no such view could be written), now marked a body at load; unit test list_views (as it is, filtered, computed, a map's list and bytes columns, a bytes view, six refused); check server_trees keeps its forests in a stored list shown by list views over HTTP against the model, a restart too; counts: the first build's bank tables rose (field +5.9%: view_of left inline at its seventh caller, serve's put_bytes too), so view_of is inlined, the made columns' and computed lists' paths and serve's new writers kept apart, a computed list's rows held as a filter's; b37 against b35 within 0.001% with batches and without; the bank's queries (s35 on the 4d aup's module, s37 on 4e's, six each in turns) field +0.67%, found +0.43%, large +0.31%, the rest within 0.20%; 008 and 027
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messages, outputs and arguments (kinds 1 to 3), a message bound to what makes it (PureBinding: a key's press or its release, a text input, a timer, a frame, a pointing at a table), each binding's fields fixed (none; one text; one number, dt; one u32, the item's position, the table its view), one frame input at most; a handler's event its input's number; no DT or TEXT_INPUT (97 opcodes now 95, FIELD reads dt and the text), pure_app_input, frame, tick, text and point, pure_module_position, PureEdge or an app's ticks: every event is pure_app_message, saved after it unless deferred; pure-run sends each command's message to the input bound so (a release or a frame no input takes still an event, clearing the fault, so the workbench parity holds) and defers a stored app's saves past frames as before; pure-serve posts a press with its key's release, refuses timers, frames and pointings (no_input) and ticks timers as messages; holes closed: the tier found a handler's input by the old numbering, reading a message's number field as another input's (aup's numbers caught it), and serve's replies_borrow did too; module-probe presses as messages; unit tests: the test modules' builder (expand) writes the old shapes as bound messages, pointing over a pointing input and its table, stored frames deferred as a host defers them, a press's handler refused a FIELD; counts: b35 against b34 with batches BFS +0.03%, the rest within 0.001%, without batches BFS +0.12%, join +0.01%; the bank's queries (s34 on the 4c aup's module, s35 on 4d's, six each in turns) field -0.23%, found -0.14%, large -0.12%, in_credit +0.11%, the rest within 0.06%; 008 and 027
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holding bytes doing their work: no collections table, DOC, DOC_SIZE or REPLACE (106 opcodes now 103, those from LEN on moved up), keyed messages or a base revision (pure_app_message takes an input and a payload), no PureData document callbacks (a data host opens states and saves them together), no burst by document key; the header 38 bytes; pure-edit-module gone; pure-serve without /objects, ETag, If-Match and If-None-Match, 412 or an app a thread for a module of documents alone (one without states or outputs runs so); a hole closed: an instruction in no handler's, view's or function's block was never verified yet the load's later passes read its arguments (a damaged module read out of bounds once the header moved what the mutation test damaged), now blanked to CONST 0; checks moved: server_documents (DOCS_SOURCE, keyed byte documents with the app's revision, against a Python model, one and three connection threads, a restart) in place of the parity with editor.pure, pipelining and bursts through kill -9 on its inputs and views, the lent budget on a text view (lending a document's read is server_lent_views' already), clocks and tokens on it; message tests without a document host; the HTTP benchmark's document suite runs the earlier document server and the baselines alone; the count harness builds against either message API (runs.sh build: -DPURE_KEYED_MESSAGES before 4b); counts: b33 against b32 with batches within 0.002% but BFS -0.33%, without batches BFS +0.63%, knapsack +0.52%, join +0.38%; the bank's queries (s32 on a v6 module, s33 on v7) field +0.68%, found +0.44%, large +0.42%, the rest within 0.13%; 008 as v7, 027's 4b-2 as made and 4c designed
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5): held as a text is but for UTF-8, its default a constant; a function's bytes in a signature this type too (PURE_SIGNATURE_BYTES gone); no list keyed by bytes; replaced, a text field becomes a bytes field keeping its value (pure_cell_as, kinds_carry); images' headers take its kind; the JSON edge reads it from a string; pure-run shows it as hex; an append asks a record's fields held as bytes from a mask the load makes (record_held) instead of each field's type twice, so b32 runs fewer instructions than b30 (BFS without batches -1.05%, join -0.25%, BFS with batches -0.36%, the rest within 0.04%; the bank's queries s30 against s32 -0.01% to +0.30%); unit test bytes_fields (bytes not UTF-8, a text field replaced by a bytes field, three refused); server_trees with a bytes field; 008 and 027
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a transient list's records may hold lists (a message's rows not, nor as a key); such a list's cell holds the value in its items' stored form (PURE_CELL_LIST, held as bytes are: each item's fields in order, 8 bytes a number, bool or i64, a u32le length and bytes a text or a list, a list's in this form again), read into one of the event's lists by ITEM_GET (counted in the event's room) and written from one by LIST_APPEND, LIST_INSERT and ITEM_SET, APPEND_IN reading, appending and writing back (undone with the event): images, the log, undoing, readers' shares and commits hold it as a text's bytes, so nothing new is stored or recovered; a list image's header names its record graph (a list field's items' record by its number, the graph's other records after the fields: a record holds itself through a list), and starting or replacing moves the items of the lists in fields by field name down the graph (PureLayout, pure_list_migrate); an event's lists keep the event's lists' numbers; a view lets go the lists a view before it read in; no FIND joined to a list field's read; pure-run shows a kept list's lists; unit tests (an event changing a number and a stored item's list, the process dying at the tree's four stages and the log's two, failed commits changing nothing; a replacement moving a stored and a transient list's lists, their items' record gaining a field and the board's fields changing places; under ASan and UBSan too)
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before c, whole positions inside, numbers or i64s), BYTE (one byte of an i64 0-255), BYTES_LOAD and BYTES_STORE (an event's 32 values held by name, 0-15 bytes and 16-31 texts so a text's hold UTF-8 alone, emptied as an event or a view's body begins, appended to in place, counted in the room: MEMORY past it), CONCAT of bytes, NUM_TEXT in a format (a width padded with spaces or with zeros after the sign, d x X b o of an i64 or a whole number, f with 0-30 digits; -0 as 0), a reply of a held value kept by value, LEN wherever a value is read (it had been for handlers alone); pure-run's message NAME @PATH (the file's bytes, of any size); unit tests (16 formats, 9 slices, held values set, appended, set to a part of themselves, emptied each event, a doubling stopped by the room, a reply kept, 7 refused)
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growth in registers checks the memory against the books' headroom (the app's growth lacks theirs until written back): it faulted MEMORY a round late, its work a round more than the executor's (a loop appending to DENSE, FLAT and HASHED lists, memory 6000: 3562 for 3525). pure-run: memory N, the states' budget
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rounds it does not run given back where it breaks or gives up), a comparison only a branch reads its flags, a full list's keys read without its bits (a key's position found: its key's register), an add's or sub's register its operand's where that is read last. knapsack 16.5 to 8.5 ms (1.37x C), matmul 25.7 to 22.9
Two bugs the work checks found, there since 6cd7f5a: the outermost loop's round past the work budget gave up at the loop's instruction, with nothing on the stack (the executor opened it again: LIMIT where WORK), now at its iteration; and a phi where an if's ways meet took its merge's loop (-1), so a value made of it was taken as made outside its loop and made once for all rounds. pure-run's budget and work commands; module_tier compares the work and runs four small budgets; module_assumptions keeps both programs
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bounded (018 stage 2)
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An i64 is an int64_t in a value's 8 bytes, its own stack type: CONST and
NUM_TEXT take argument 2 for one, eleven opcodes are appended (ADD, SUB
and MUL fail as overflow past its range, DIV and MOD floor and fail as
divide by zero, NEG, COMPARE with a relation, MIN, MAX, and I64_FROM and
NUM_FROM, which convert only where the value fits and else fail as
limit), and moves (LOAD, STORE, locals, items, FIELD, SEND) copy it as
they copy a number. Type codes: state 6, record field 3, message field 7
(8 bytes), view 4, local 3. v6 stays: all of it is added.
- Folds with PURE_FOLD_INTEGER sum (overflow fails), keep the most or
least of, or count the different i64s; distinct's set keeps an i64's
-1 apart from its free mark. Blocks with an i64 run item by item.
- A list's kinds are its stored header's (number, text, bytes, bool,
integer): integer columns are int64_t, ordered as integers as keys
(found without guide keys for now), stored in 8 bytes and logged as
zigzag varints of any size. Records name their fields' type in one
array (record_field_type) in place of text and bool flags.
- A number, a bool and an i64 carry over each other by one rule,
pure_cell_as, wherever one becomes another: a module replaced, a stored
value or item read by another module, a waiting send recast. A u32
field delivers to an i64 one.
- The host reads i64 fields from JSON, rows and queries as integer digits
in range and nothing else, and shows every digit in views, tables,
deliveries and pure-run. Faults are named by one function,
pure_fault_name, in place of three tables; overflow is new.
test-module: 28 arithmetic cases at the range's ends, relations,
conversions both ways, 14 refusals, a keyed i64 list app (order, a sum
that overflows, a failed add undone, messages and sends of 8 bytes, every
digit as text), recasts, replacement between numbers, bools and i64s, and
three stored runs against memory with restarts (46 images written).
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Before i64 (016 stage 2): a state's value, a record field's default, a
list cell's number, the interpreter's stack slot and an instruction's
constant become unions of a double and an int64_t (PureValue, anonymous
unions in PureCell, Slot and PureOp). LOAD and STORE, and a list cell
made from the stack, copy the bits; everything else reads .num as before.
No behaviour changes: every check passes as it did.
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A condition was a number, non-zero being true: a flag was a number field,
a view showed 1 for true, and nothing kept a number from standing for a
bool or a bool from being added to. Now the verifier has a bool among its
stack types, and a verified module never mixes the two. No opcode is new:
- CONST with argument 1 is a bool (+0 or 1), NUM_TEXT with argument 1
writes one as true or false; LOAD and STORE take a number or a bool
state, locals may hold a bool (2).
- Comparisons (LT to NE, TEXT_COMPARE) and LIST_HAS give a bool; AND, OR
and NOT take and give them; JZ, REQUIRE, filters and folds' tests take
one (count and first leave a bool, sum, max, min and distinct a number
and a bool); EQ and NE compare two bools too.
- Type codes: state 5, record field 2, message field 6 (one byte in the
prefix, 0 or 1, or the message fails as limit), view 3. A bool's
constant, initial value and default are +0 or 1; a list is not keyed by
one. PUREMOD6: v5 modules are built again.
At run time a bool is a number's 0 or 1, so leaf-at-a-time folds run as
before. A number that becomes a bool (a module replaced, a stored state
or item read again, a waiting send recast) keeps 0 (either sign) and 1
and takes the default otherwise; a bool that becomes a number is 0 or 1.
The host carries bools on every boundary: JSON true and false only (a
row's field too), a query's true and false, true and false in views,
table JSON and HTTP deliveries; a link takes a bool only into a bool.
A stored outbox's field types were read back with a check that refused
bool (at or past rows): a node whose output had a bool field and a send
waiting could not start again. test-module now stores such a send and
opens it (it fails on the old check), beside 28 bool refusals of the
verifier and bool states, fields, views, sends, links and migration.
The lane generator makes numbers and bools apart.
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The app model, the tree store and the HTTP host lived in
prototypes/connections among the earlier document runtime, the store was
known only by its format's name, and Vega compiled six Pure sources by path.
Now, as the README's principle has it:
core/ runtime, flow and the app model (module*.c), with what the core
asks of storage (state.h, store.h)
store/ the tree store (PURETRE3, PUREREC1)
serve/ pure-serve: HTTP host, outbound delivery, JSON in place
cli/ pure-run, pure-edit-module
A top-level make builds libpure.a (app model and store, for hosts to link)
and the hosts; make check runs the store's and the app model's tests. The
earlier runtime still builds from prototypes/connections against core/ and
store/ (check, check-tree and check-core pass). Design 009 records the rule:
parts by role behind libraries; git repositories split by coupling, so the
store stays here while its contract moves with the core, and Vega stays apart.
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