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bench: add bench_topp -- head-to-head old-qsort vs new-heap timing on V=151936 (#335)

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test_topp proves correctness; bench_topp measures the latency claim. It re-implements
the OLD dist_build (full-vocab qsort) inline on a private buffer and times it against
the REAL new dist_build over identical inputs in one process: V=151936, temp=0.7,
3 shapes (realistic / uniform / plateau) x 4 nuc values (0.5/0.9/0.95/0.99), 2000
timed reps each, median reported. Deliberately NOT in TEST_BINS -- it's a microbench,
not a gate. Build on demand: make tests/bench_topp && ./tests/bench_topp
This commit is contained in:
woolcoxm
2026-07-17 09:22:26 -04:00
parent ba00889fb9
commit 37c96ee07a
2 changed files with 136 additions and 0 deletions
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c/Makefile
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@@ -320,6 +320,11 @@ tests/test_stops$(EXE): tests/test_stops.c glm.c st.h uring.h json.h tok.h tok_u
tests/test_topp$(EXE): tests/test_topp.c glm.c st.h uring.h json.h tok.h tok_unicode.h compat.h grammar.h tier.h
$(CC) $(CFLAGS) $< -o $@ $(LDFLAGS)
# bench_topp is a microbenchmark (old qsort vs new heap partial-select, #335), NOT a test
# gate -- intentionally absent from TEST_BINS. Build on demand: make tests/bench_topp
tests/bench_topp$(EXE): tests/bench_topp.c glm.c st.h uring.h json.h tok.h tok_unicode.h compat.h grammar.h tier.h
$(CC) $(CFLAGS) $< -o $@ $(LDFLAGS)
tests/test_kv_alloc$(EXE): tests/test_kv_alloc.c glm.c st.h json.h tok.h tok_unicode.h compat.h grammar.h tier.h
$(CC) $(CFLAGS) $< -o $@ $(LDFLAGS)