IResearch
C++ search that beat Lucene and Tantivy on their benchmark
Details
- External ID
- 48205526
- Source
- HN
- Company
- —
- Product
- IResearch
- Website domain
- github.com
- Launched
- May 20, 2026
- Cohort
- —
- Upvotes
- 15
- Upvotes percentile
- 0.6865912762520194
- Tags
- —
- Fetched at
- Sept. 7, 2026, 9:26 p.m.
- Updated at
- Sept. 7, 2026, 9:26 p.m.
Enrichment
- Theme
- web development and browser utilities
- Vertical
- Horizontal
- Function
- Search & retrieval
- Audience
- Developer
- AI stance
- Not AI
- Project type
- Hobby / open-source project
- Normalized one-liner
- c++ search engine
- Manually corrected
- False
Could you build this?
No Outperforming industry-standard search engines like Apache Lucene and Tantivy requires world-class C++ performance optimization, custom postings lists, and advanced information retrieval algorithms.
What it would actually take: IResearch requires low-level C++ systems engineering implementing SIMD-accelerated inverted indexes, block-compressed postings lists (e.g., PForDelta), and memory-mapped segment files. The hard part is optimizing CPU cache locality, branch prediction, and lock-free concurrent segment merges while maintaining real-time index updates and BM25 scoring. This requires deep algorithmic domain expertise in search engines and kernel-level hardware optimization.
Discussion
3 comments analyzed.
Competitors mentioned: Tantivy, IResearch
Competitors
Other products that read as similar to this one — 849 launches clear the similarity bar, closest 8 shown.
Attention rank: #273 of 850 (itself plus its competitors, highest first — normalized so YC and Product Hunt are compared fairly).
Launched 202 days after the earliest competitor.
- Wilfred · github · 2026-09-25 · 14 upvotes · similarity 0.61
- cascade-search · github · 2026-09-17 · 8 upvotes · similarity 0.58
- IndexFlow · hn · 2026-08-28 · 22 upvotes · similarity 0.56
- NanoVector · hn · 2026-09-11 · 10 upvotes · similarity 0.55
- Focal Harvest · hn · 2026-07-06 · 9 upvotes · similarity 0.54
- jev-graph-search · github · 2026-09-21 · 8 upvotes · similarity 0.54
- Captain - The Reliable Alternative to RAG · yc · 2025-11-07 · 115 upvotes · similarity 0.53
- shobr · github · 2026-09-27 · 13 upvotes · similarity 0.53
Other launches for this product
- No other launches for this product.