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| author | eunhhu <[email protected]> | 2026-10-09 15:41:24 +0100 |
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| committer | eunhhu <[email protected]> | 2026-10-09 15:41:24 +0100 |
| commit | f47f0caa14889013436438f2bcb2c482a58e630b (patch) | |
| tree | 788af0fa944d7fe0990f05c741c8f2a8e4574dbf /research/experiments/040-against-c/2026-10-09-queries-s9-14.jsonl | |
| parent | 1b7e9055f019ecf957e4cfbd659268149593c7cc (diff) | |
| download | pure-f47f0caa14889013436438f2bcb2c482a58e630b.tar.gz pure-f47f0caa14889013436438f2bcb2c482a58e630b.zip | |
Research 138: the batch executor's stage 5, design 025 made: sums into cells at once in integers (join 116.0 to 110.5 ms, short of 108: what is left is the same cells' memory, read, add and write again), decide's bit found once (BFS 23.2, short of 21.5: the tail's time was its loads more than its instructions), and the batch executor's loops aligned to 64-byte lines (the hot loops' placement had swung knapsack 6% at the same instructions; the lists' loops aligned too cost the bank's queries 1-2% more instructions, so not they); against b9 matmul -36%, knapsack -28%, roots -7.6%, join -6.2%, BFS -3.9%, the executor alone, the bank queries and TPC-C (+0.7%) as they were; 025's bars and what each stage measured; 024 and CHECKPOINT say so
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diff --git a/research/experiments/040-against-c/2026-10-09-queries-s9-14.jsonl b/research/experiments/040-against-c/2026-10-09-queries-s9-14.jsonl new file mode 100644 index 0000000..785af94 --- /dev/null +++ b/research/experiments/040-against-c/2026-10-09-queries-s9-14.jsonl @@ -0,0 +1,4 @@ +{"query": "per_branch", "rows": 10, "accounts": 100000, "pure_median_ms": 5.18, "pure_fastest_ms": 5.09, "sqlite_median_ms": 47.83, "sqlite_fastest_ms": 47.52, "sqlite_indexed_median_ms": 14.2, "sqlite_indexed_fastest_ms": 14.18} +{"query": "in_credit", "rows": 1, "accounts": 100000, "pure_median_ms": 0.81, "pure_fastest_ms": 0.78, "sqlite_median_ms": 6.77, "sqlite_fastest_ms": 6.73, "sqlite_indexed_median_ms": 0.18, "sqlite_indexed_fastest_ms": 0.18} +{"query": "large", "rows": 212, "accounts": 100000, "pure_median_ms": 0.36, "pure_fastest_ms": 0.35, "sqlite_median_ms": 1.68, "sqlite_fastest_ms": 1.68, "sqlite_indexed_median_ms": 1.68, "sqlite_indexed_fastest_ms": 1.67} +{"query": "ranks", "rows": 404, "accounts": 100000, "pure_median_ms": 6.59, "pure_fastest_ms": 6.52, "sqlite_median_ms": 3342.61, "sqlite_fastest_ms": 3329.2, "sqlite_indexed_median_ms": 8.61, "sqlite_indexed_fastest_ms": 8.58} |
