d79642b844
When the inference proves a protocol call's receiver is one record type, the back end resolves the impl by that static tag (find-protocol-method) instead of routing through the protocol var -> jolt-invoke -> protocol-resolve, which re-derives the tag and walks the type table. Same table lookup, minus the var-deref, the rest-cons, and the receiver-type computation. Fires only on a monomorphic site: a megamorphic receiver joins to :any and carries no :devirt-type, so it keeps ordinary dispatch (the dispatch bench is unaffected). The annotation comes from the whole-program fixpoint typing a reduce/HOF element or a ctor return as a specific record. Modest on the dispatch benchmarks (~6% on mono-dispatch) — float boxing in the reduce accumulator dominates there, a separate numeric lever — but it removes the dispatch overhead wherever a typed receiver is known. run-devirt.ss gate: emitted form uses find-protocol-method, and evaluating it matches ordinary dispatch for an inline impl, an extend-type impl, and the non-devirt path. make test / shakesmoke green, 0 new divergences.
108 lines
4 KiB
Makefile
108 lines
4 KiB
Makefile
# jolt — Clojure on Chez Scheme. Single substrate, no Janet.
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#
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# bin/joltc runs jolt directly off the checked-in seed (host/chez/seed/); there is no
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# build step. `make test` is the full gate. `make remint` rebuilds the seed after a
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# source change.
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.PHONY: test ci values corpus unit smoke buildsmoke selfhost sci certify ffi transient infer wp devirt directlink numeric inline shakesmoke remint
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# Full gate (dev machine). Includes the self-host byte-fixpoint, which only holds
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# on the same Chez that minted the seed.
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test: selfhost ci
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@echo "OK: all gates passed"
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# CI gate: behavior only. The checked-in seed is a minted artifact (like a
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# lockfile) — it RUNS correctly on any Chez, but `selfhost` rebuilds it and a
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# different Chez version may emit byte-different (gensym/order) output, so the
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# byte-fixpoint is a dev-machine check, not a CI one (jolt-8479).
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ci: values corpus unit smoke buildsmoke sci ffi transient infer wp devirt directlink numeric inline certify
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@echo "OK: CI gates passed"
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# Self-host fixpoint: bootstrap.ss rebuild == checked-in seed.
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selfhost:
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@sh host/chez/selfcheck.sh
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# Value-model unit tests (nil/truthiness/collections on Chez).
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values:
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@chez --script test/chez/values-test.ss
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# Corpus conformance vs JVM-sourced expecteds (allowlist + floor).
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corpus:
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@chez --script host/chez/run-corpus.ss
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# Host-specific unit cases.
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unit:
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@chez --script host/chez/run-unit.ss
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# Real-CLI smoke over bin/joltc.
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smoke:
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@sh host/chez/smoke.sh
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# `jolt build` produces a working standalone binary.
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buildsmoke:
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@sh host/chez/build-smoke.sh
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# SCI conformance: load borkdude/sci's source through joltc (floor-gated).
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sci:
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@chez --script host/chez/run-sci.ss
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# FFI: bind native functions (typed foreign-procedure), memory, and that a
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# :blocking call is collect-safe (a parked thread doesn't pin the collector).
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ffi:
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@chez --script test/chez/ffi-binding-test.ss
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# Transients: mutable backing, snapshot on persistent!, and linear-time builds.
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transient:
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@chez --script test/chez/transient-test.ss
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# Inference / success-type checking: drive jolt.passes.types directly and assert
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# diagnostic counts + collected calls/escapes (the optimization pass the other
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# gates don't exercise).
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infer:
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@chez --script host/chez/run-infer.ss
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# Whole-program param-type fixpoint: record types flowing across fn boundaries
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# (a callee's param picks up its callers' ctor return types), the foundation the
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# bare-index field reads + protocol devirtualization build on.
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wp:
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@chez --script host/chez/run-wp.ss
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# Protocol-call devirtualization: a monomorphic call resolves its impl by the
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# inferred record tag (find-protocol-method) instead of routing through the
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# protocol var; the result must match ordinary dispatch.
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devirt:
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@chez --script host/chez/run-devirt.ss
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# Direct-linking emission: a closed-world build binds top-level app defs to jv$
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# Scheme bindings and routes app->app calls/refs to them, skipping var-deref +
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# jolt-invoke; ^:dynamic/^:redef and nested defs opt out.
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directlink:
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@chez --script test/chez/directlink-test.ss
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# Hint-directed fast arithmetic: ^double/^long param hints (and float literals)
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# lower arithmetic to Chez fl*/fx* ops; un-hinted integer code stays generic.
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numeric:
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@chez --script test/chez/numeric-test.ss
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# IR inlining: a small single-arity defn is spliced at call sites (under optimize),
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# with ^double/^long entry/return coercions carried through via :coerce nodes.
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inline:
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@chez --script test/chez/inline-test.ss
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# Tree-shake soundness: build example apps (incl. deps.edn git-lib apps) default vs
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# --tree-shake and require identical output. Slow (two builds per app); not in the
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# default gate. Skips without the examples repo / Chez kernel dev files.
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shakesmoke:
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@sh host/chez/tree-shake-smoke.sh
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# JVM oracle: certify the corpus against reference Clojure. Skips if clojure absent.
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certify:
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@if command -v clojure >/dev/null 2>&1; then \
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clojure -M test/conformance/certify.clj; \
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else \
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echo "certify: clojure not on PATH — skipped"; \
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fi
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# Re-mint the seed after changing a seed source (reader/analyzer/backend/core).
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remint:
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@sh host/chez/remint.sh
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