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Anserini Regressions: MS MARCO Passage Ranking

Model: DistilSPLADE-max (using cached queries)

This page describes regression experiments, integrated into Anserini's regression testing framework, using the DistilSPLADE-max model from SPLADEv2 on the MS MARCO passage ranking task. The DistilSPLADE-max model is described in the following paper:

Thibault Formal, Carlos Lassance, Benjamin Piwowarski, Stéphane Clinchant. SPLADE v2: Sparse Lexical and Expansion Model for Information Retrieval. arXiv:2109.10086.

In these experiments, we are using cached queries (i.e., cached results of query encoding).

The exact configurations for these regressions are stored in this YAML file. Note that this page is automatically generated from this template as part of Anserini's regression pipeline, so do not modify this page directly; modify the template instead.

From one of our Waterloo servers (e.g., orca), the following command will perform the complete regression, end to end:

python src/main/python/run_regression.py --index --verify --search --regression msmarco-v1-passage.distill-splade-max.cached

We make available a version of the MS MARCO Passage Corpus that has already been processed with DistilSPLADE-max, i.e., performed model inference on every document and stored the output sparse vectors. Thus, no neural inference is involved.

From any machine, the following command will download the corpus and perform the complete regression, end to end:

python src/main/python/run_regression.py --download --index --verify --search --regression msmarco-v1-passage.distill-splade-max.cached

The run_regression.py script automates the following steps, but if you want to perform each step manually, simply copy/paste from the commands below and you'll obtain the same regression results.

Corpus Download

Download the corpus and unpack into collections/:

wget https://rgw.cs.uwaterloo.ca/JIMMYLIN-bucket0/data/msmarco-passage-distill-splade-max.tar -P collections/
tar xvf collections/msmarco-passage-distill-splade-max.tar -C collections/

To confirm, msmarco-passage-distill-splade-max.tar is 9.9 GB and has MD5 checksum b5d126f5d9a8e1b3ef3f5cb0ba651725. With the corpus downloaded, the following command will perform the remaining steps below:

python src/main/python/run_regression.py --index --verify --search --regression msmarco-v1-passage.distill-splade-max.cached \
  --corpus-path collections/msmarco-passage-distill-splade-max

Indexing

Sample indexing command:

bin/run.sh io.anserini.index.IndexCollection \
  -threads 16 \
  -collection JsonVectorCollection \
  -input /path/to/msmarco-passage-distill-splade-max \
  -generator DefaultLuceneDocumentGenerator \
  -index indexes/lucene-inverted.msmarco-v1-passage.distill-splade-max/ \
  -impact -pretokenized \
  >& logs/log.msmarco-passage-distill-splade-max &

The path /path/to/msmarco-passage-distill-splade-max/ should point to the corpus downloaded above.

The important indexing options to note here are -impact -pretokenized: the first tells Anserini not to encode BM25 doc lengths into Lucene's norms (which is the default) and the second option says not to apply any additional tokenization on the SPLADEv2 tokens. Upon completion, we should have an index with 8,841,823 documents.

For additional details, see explanation of common indexing options.

Retrieval

Topics and qrels are stored here, which is linked to the Anserini repo as a submodule. The regression experiments here evaluate on the 6980 dev set questions; see this page for more details.

After indexing has completed, you should be able to perform retrieval as follows:

bin/run.sh io.anserini.search.SearchCollection \
  -index indexes/lucene-inverted.msmarco-v1-passage.distill-splade-max/ \
  -topics tools/topics-and-qrels/topics.msmarco-passage.dev-subset.distill-splade-max.tsv.gz \
  -topicReader TsvInt \
  -output runs/run.msmarco-passage-distill-splade-max.distill-splade-max-cached.topics.msmarco-passage.dev-subset.distill-splade-max.txt \
  -impact -pretokenized &

Evaluation can be performed using trec_eval:

bin/trec_eval -c -m map tools/topics-and-qrels/qrels.msmarco-passage.dev-subset.txt runs/run.msmarco-passage-distill-splade-max.distill-splade-max-cached.topics.msmarco-passage.dev-subset.distill-splade-max.txt
bin/trec_eval -c -M 10 -m recip_rank tools/topics-and-qrels/qrels.msmarco-passage.dev-subset.txt runs/run.msmarco-passage-distill-splade-max.distill-splade-max-cached.topics.msmarco-passage.dev-subset.distill-splade-max.txt
bin/trec_eval -c -m recall.100 tools/topics-and-qrels/qrels.msmarco-passage.dev-subset.txt runs/run.msmarco-passage-distill-splade-max.distill-splade-max-cached.topics.msmarco-passage.dev-subset.distill-splade-max.txt
bin/trec_eval -c -m recall.1000 tools/topics-and-qrels/qrels.msmarco-passage.dev-subset.txt runs/run.msmarco-passage-distill-splade-max.distill-splade-max-cached.topics.msmarco-passage.dev-subset.distill-splade-max.txt

Effectiveness

With the above commands, you should be able to reproduce the following results:

AP@1000 DistilSPLADE-max
MS MARCO Passage: Dev 0.3746
RR@10 DistilSPLADE-max
MS MARCO Passage: Dev 0.3686
R@100 DistilSPLADE-max
MS MARCO Passage: Dev 0.8984
R@1000 DistilSPLADE-max
MS MARCO Passage: Dev 0.9787

The above runs are in TREC output format and evaluated with trec_eval. In order to reproduce results reported in the paper, we need to convert to MS MARCO output format and then evaluate:

python tools/scripts/msmarco/convert_trec_to_msmarco_run.py \
   --input runs/run.msmarco-passage-distill-splade-max.distill-splade-max.topics.msmarco-passage.dev-subset.distill-splade-max.txt \
   --output runs/run.msmarco-passage-distill-splade-max.distill-splade-max.topics.msmarco-passage.dev-subset.distill-splade-max.tsv --quiet

python tools/scripts/msmarco/msmarco_passage_eval.py \
   tools/topics-and-qrels/qrels.msmarco-passage.dev-subset.txt \
   runs/run.msmarco-passage-distill-splade-max.distill-splade-max.topics.msmarco-passage.dev-subset.distill-splade-max.tsv

The results should be as follows:

#####################
MRR @10: 0.36852691363078205
QueriesRanked: 6980
#####################

This corresponds to the effectiveness reported in the paper.

Reproduction Log*

To add to this reproduction log, modify this template and run bin/build.sh to rebuild the documentation.