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issue: #41435 We compared the performance using the modified test_sealed.cpp, which randomly accesses all rows in all chunks and counts the number of runs within 3s. ## performance data comparison (ops/second) chunk config: 1x1000 | Field Type | w/o cachinglayer (commit 640f526301) | w/ cachinglayer | w/ cachinglayer + opt | |---|---|---|---| | Bool field | 82428 | -63.6% (29983) | +2.7% (84675) | | Int8 field | 82228 | -63.3% (30166) | +2.4% (84163) | | Int16 field | 82572 | -63.8% (29867) | +1.8% (84036) | | Int32 field | 82797 | -63.7% (30031) | +1.5% (84043) | | Int64 field | 81077 | -62.9% (30107) | +0.6% (81604) | | Float field | 82678 | -63.4% (30266) | +1.8% (84146) | | Double field | 81925 | -63.4% (29974) | +0.2% (82097) | | Varchar field | 19933 | -19.6% (16027) | +18.9% (23690) | | JSON field | 16519 | -96.8% (533) | +2.5% (16927) | | Int array field | 7325 | -13.7% (6321) | -1.4% (7220) | | Long array field | 6347 | -8.9% (5781) | -0.1% (6344) | | Bool array field | 8275 | -14.0% (7116) | +0.4% (8311) | | String array field | 2281 | -5.0% (2168) | +0.2% (2287) | | Double array field | 6427 | -13.3% (5574) | -2.0% (6301) | | Float array field | 7291 | -13.0% (6346) | -1.5% (7183) | | Vector field | 27487 | -40.4% (16371) | -4.7% (26192) | | Float16 vector field | 49773 | -54.6% (22601) | -5.9% (46834) | | BFloat16 vector field | 49783 | -53.1% (23350) | -5.7% (46934) | | Int8 vector field | 63871 | -59.0% (26179) | -6.2% (59926) | --- chunk config: 10x1000 | Field Type | w/o cachinglayer (commit 640f526301) | w/ cachinglayer | w/ cachinglayer + opt | |---|---|---|---| | Bool field | 3659 | -48.6% (1879) | +110.1% (7686) | | Int8 field | 3410 | -45.3% (1864) | +123.9% (7636) | | Int16 field | 3647 | -48.6% (1874) | +110.1% (7661) | | Int32 field | 3647 | -48.8% (1866) | +109.6% (7645) | | Int64 field | 3645 | -48.9% (1863) | +107.8% (7573) | | Float field | 3647 | -49.0% (1861) | +109.5% (7639) | | Double field | 3640 | -45.1% (1998) | +108.4% (7586) | | Varchar field | 1594 | -23.9% (1213) | +20.6% (1922) | | JSON field | 1202 | -26.5% (884) | +16.1% (1396) | | Int array field | 602 | -12.3% (528) | +12.7% (678) | | Long array field | 529 | -12.2% (465) | +7.5% (569) | | Double array field | 537 | -13.0% (467) | +6.4% (571) | | Vector field | 1520 | -37.9% (943) | -5.5% (1437) | | Float16 vector field | 2607 | -47.0% (1382) | +6.4% (2774) | | BFloat16 vector field | 2586 | -46.5% (1383) | +8.8% (2813) | | Int8 vector field | 3101 | -47.3% (1633) | +41.9% (4400) | --------- Signed-off-by: Shawn Wang <shawn.wang@zilliz.com>