recall@20
mrr@20
ndcg@20
0
25
50
75
100
score (0–100 scale)
quantization config, colbert rescorer (hybrid prefetch, k=20, pf=100)
25.0
31.0
20.3
no-quant
(f32)
25.0
31.0
20.3
no-quant
(f16)
25.0
31.2
20.3
no-quant
(turbo4)
25.0
31.0
20.3
scalar
int8
25.2
31.5
20.4
product
x16
24.7
31.0
20.1
binary
(f32)
24.9
31.0
20.2
binary
(f16)
24.2
31.1
20.0
turbo4
tq1