intfloat/e5-small-v2
Text Embeddings by Weakly-Supervised Contrastive Pre-training. Liang Wang, Nan Yang, Xiaolong Huang, Binxing Jiao, Linjun Yang, Daxin Jiang, Rangan Majumder, Furu Wei, arXiv 2022
Overview
Benchmarks
CQADupstackPhysicsRetrieval
Duplicate question retrieval from StackExchange Physics
Corpus: 38,314 Queries: 1,039
Quality
map at 10 0.3521
mrr at 10 0.4049
ndcg at 10 0.4052
Performance L4 b1 c16
Corpus 42.5K tok/s
Corpus p50 47.8ms
Query 3.1K tok/s
Query p50 48.7ms
CosQA
Code search with natural language queries
Corpus: 6,267 Queries: 500
Quality
map at 10 0.2161
mrr at 10 0.2341
ndcg at 10 0.2864
Performance L4 b1 c16
Corpus 16.7K tok/s
Corpus p50 49.7ms
Query 1.6K tok/s
Query p50 50.3ms
FiQA2018
Financial opinion mining and question answering
Corpus: 57,599 Queries: 648
Quality
map at 10 0.2840
mrr at 10 0.4390
ndcg at 10 0.3560
Performance L4 b1 c16
Corpus 41.5K tok/s
Corpus p50 57.8ms
Query 3.3K tok/s
Query p50 48.5ms
LegalBenchConsumerContractsQA
Question answering on consumer contracts
Corpus: 153 Queries: 396
Quality
map at 10 0.6679
mrr at 10 0.6687
ndcg at 10 0.7278
Performance L4 b1 c16
Corpus 115.7K tok/s
Corpus p50 63.0ms
Query 4.0K tok/s
Query p50 57.9ms
NFCorpus
Biomedical literature search from NutritionFacts.org
Corpus: 3,593 Queries: 323
Quality
ndcg at 10 0.3195
map at 10 0.1142
mrr at 10 0.5174
Performance L4 b1 c16
Corpus 95.9K tok/s
Corpus p50 45.8ms
Query 1.5K tok/s
Query p50 43.2ms
NanoFiQA2018Retrieval
Smaller subset of the FiQA financial QA dataset
Quality
ndcg at 10 0.4299
map at 10 0.3531
mrr at 10 0.4611
Performance L4 b1 c16
Corpus 58.3K tok/s
Corpus p50 40.3ms
Query 4.1K tok/s
Query p50 35.0ms
SCIDOCS
Citation prediction, document classification, and recommendation for scientific papers
Corpus: 25,656 Queries: 1,000
Quality
map at 10 0.0643
mrr at 10 0.2128
ndcg at 10 0.1162
Performance L4 b1 c16
Corpus 57.1K tok/s
Corpus p50 49.9ms
Query 3.2K tok/s
Query p50 47.2ms
SciFact
Scientific claim verification using research literature
Corpus: 5,183 Queries: 300
Quality
map at 10 0.6308
mrr at 10 0.6498
ndcg at 10 0.6753
Performance L4 b1 c16
Corpus 85.1K tok/s
Corpus p50 47.6ms
Query 4.6K tok/s
Query p50 48.1ms
StackOverflowQA
Programming question answering from Stack Overflow
Corpus: 19,931 Queries: 1,994
Quality
map at 10 0.8113
mrr at 10 0.8113
ndcg at 10 0.8349
Performance L4 b1 c16
Corpus 63.0K tok/s
Corpus p50 53.7ms
Query 55.0K tok/s
Query p50 75.1ms