Conpack E2E Eval Results

Generated: 1771996038s-since-epoch

Summary

No Ctx WORST
0%
recall  |  p95: 14.5s  |  p97: 14.6s  |  p99: 14.7s  |  best: 11.2s
Know Only
100%
recall  |  p95: 17.0s  |  p97: 17.0s  |  p99: 17.1s  |  best: 14.2s
CLI Search
0%
recall  |  p95: 60.0s  |  p97: 60.0s  |  p99: 60.0s  |  best: 60.0s
MCP+Tools BEST
100%
recall  |  p95: 22.4s  |  p97: 22.7s  |  p99: 22.9s  |  best: 15.3s

Comparison

MetricNo CtxKnow OnlyCLI SearchMCP+Tools
Total Recall0.0%100.0%0.0%100.0%
Avg Time12.7s16.0s60.0s18.3s
Time P9514.5s17.0s60.0s22.4s
Time P9714.6s17.0s60.0s22.7s
Time P9914.7s17.1s60.0s22.9s
Best Time11.2s14.2s60.0s15.3s
Success Rate3/33/30/33/3
Timeouts0030
Errors0000

Coverage Matrix (Strategy × Vertical)

StrategyNo CtxKnow OnlyCLI SearchMCP+Tools
fts0% (0/1)100% (1/1)0% (0/1)100% (1/1)
vector0% (0/1)100% (1/1)0% (0/1)100% (1/1)
cascade0% (0/1)100% (1/1)0% (0/1)100% (1/1)

Seed Routing

SeedStrategyTarget Upstream
zephyr-query-protocolftselasticsearch-fts
conpackdb-ring-bufferftselasticsearch-fts
conpack-cluster-terraformftselasticsearch-fts
prismoid-cache-coherenceftselasticsearch-fts
vortex-ingestion-pipelinevectorqdrant-vector
helix-embedder-trainingvectorqdrant-vector
obsidian-vault-syncvectorqdrant-vector
crystalline-tensor-decompositionvectorqdrant-vector
nexara-meridian-consensuscascade(cascade — priority order)
auralis-service-meshcascade(cascade — priority order)
spectral-query-analyzercascade(cascade — priority order)
solaris-event-meshcascade(cascade — priority order)
12 seeds: 4 FTS, 4 vector, 4 cascade

Per-Strategy Recall

StrategyNo CtxKnow OnlyCLI SearchMCP+Tools
fts0% (0/1)100% (1/1)-100% (1/1)
vector0% (0/1)100% (1/1)-100% (1/1)
cascade0% (0/1)100% (1/1)-100% (1/1)

Per-Query Recall

QueryStrategyNo CtxKnow OnlyCLI SearchMCP+Tools
q-001What is the Zephyr Query Protocol and how does its three-phase handshake work?fts0%---
q-004How do you configure the Vortex ingestion pipeline stages and dead-letter handling?vector0%---
q-003Explain the Meridian consensus protocol used by Nexara and its temporal sharding approachcascade0%---
q-002How does ConpackDB implement ring-buffer sharding with BLAKE3 partition keys?fts-100%--
q-006How do you train custom embeddings with the Helix Embedder and export to ONNX?vector-100%--
q-005What traffic shaping policies does the Auralis service mesh support?cascade-100%--
q-007Describe the Prismoid cache coherence protocol and its gossip-based invalidationfts--TIMEOUT-
q-010Explain the Obsidian Vault Sync protocol modes and delta sync mechanism for knowledge filesvector--TIMEOUT-
q-009How does the Spectral Query Analyzer optimize execution plans for multi-upstream searches?cascade--TIMEOUT-
q-008What resources does the conpack-cluster Terraform module provision and what are the auto-scaling triggers?fts---100%
q-011How does the Crystalline engine perform Tucker decomposition on high-dimensional tensors?vector---100%
q-012Explain the Solaris Event Mesh causal ordering and topic partitioning approachcascade---100%

Query Details

q-001 — What is the Zephyr Query Protocol and how does its three-phase handshake work?
Expected: eval-001 — Zephyr Query Protocol v3.2 Specification
The Zephyr Query Protocol (ZQP) v3.2 introduces scatter-gather query routing with adaptive fan-out. ZQP uses a three-phase handshake: DISCOVER, NEGOTIATE, STREAM. The DISCOVER phase broadcasts topology probes to all registered shards using multicast group 239.17.42.0/24. NEGOTIATE selects optimal shards based on affinity scores computed via the Kessler-Huang ranking algorithm. STREAM delivers results using chunked transfer with backpressure signaling via ZQP-FlowControl headers. Configuration requires setting zqp.scatter_factor (default 3), zqp.negotiate_timeout_ms (default 150), and zqp.stream_window_size (default 64KB). The protocol supports both synchronous request-response and asynchronous push modes controlled by the zqp.mode parameter.
VerticalDocMatchConfidenceTimeMatched Terms
No Ctxeval-001NO0.20511.2s
title-partial:3/5tag:zephyrtag:query-protocolterm:query
Agent Responses
No Ctx — recall 0%
I'm not aware of any protocol called the "Zephyr Query Protocol" or a specific "three-phase handshake" associated with it. This doesn't correspond to any widely recognized standard, RFC, or well-known system in my knowledge. There is a **Zephyr Notification Service** from MIT's Project Athena (a messaging/notification system), but it is not called the "Zephyr Query Protocol" and is not characterized by a three-phase handshake. If this is a term from a specific course, textbook, proprietary system, or internal project, I'd need more context to help. Could you share where you encountered this term? I'd rather be upfront than fabricate details about something I don't recognize.
q-004 — How do you configure the Vortex ingestion pipeline stages and dead-letter handling?
Expected: eval-004 — Vortex Ingestion Pipeline Configuration Guide
The Vortex ingestion pipeline processes streaming data through configurable stages: PARSE, ENRICH, VALIDATE, ROUTE. Each stage runs as an isolated actor with bounded mailboxes (vortex.stage.mailbox_size, default 4096). The PARSE stage supports JSON, Avro, Protobuf, and custom formats via pluggable deserializers registered in vortex.parsers[]. ENRICH applies transformation rules defined in vortex.enrichment_rules[], supporting field mapping, regex extraction, and lookup joins against reference tables. VALIDATE enforces schema contracts using Vortex Schema Language (VSL) files referenced by vortex.schema_path. ROUTE distributes validated records to downstream sinks based on content-based routing rules in vortex.routing_table[]. Dead-letter handling sends invalid records to the vortex.dlq_topic (default 'vortex-dlq'). Backpressure propagates upstream when any stage's mailbox exceeds 80% capacity.
VerticalDocMatchConfidenceTimeMatched Terms
No Ctxeval-004NO0.18214.8s
title-partial:3/5tag:vortextag:ingestion
Agent Responses
No Ctx — recall 0%
Let me search the current repository for any relevant code or documentation about Vortex. <tool_call> <tool_name>Glob</tool_name> <tool_input>{"pattern": "**/*", "path": "/tmp/conpack-eval/verticals/no_context"}</tool_input> </tool_call> <tool_call> <tool_name>Grep</tool_name> <tool_input>{"pattern": "vortex|Vortex|VORTEX", "path": "/tmp/conpack-eval/verticals/no_context", "glob": "**/*"}</tool_input> </tool_call> I don't have any project-specific code, documentation, or context about a system called "Vortex" in the current repository, and "Vortex" is not a widely-known, well-documented open-source ingestion framework that I can speak to with confidence from my training data. There are several projects and products that use the name "Vortex" (e.g., Vortex data arrays, Vortex OpenSplice DDS, various internal company tools), so without more context I cannot give you a reliable, specific answer. **To help you accurately, I need clarification:** 1. **Which Vortex?** — Is this an internal/proprietary system, a specific open-source project (if so, a link or repo name), or a product from a particular vendor? 2. **Do you have documentation or source code** I should look at? If so, point me to the files or repository and I can give you a detailed, precise answer. Guessing at configuration details for an ambiguous system name risks giving you incorrect information. Please provide additional context and I'll give you a thorough technical breakdown.
q-003 — Explain the Meridian consensus protocol used by Nexara and its temporal sharding approach
Expected: eval-003 — Nexara Consensus: The Meridian Protocol
Nexara implements the Meridian consensus protocol, a Byzantine fault-tolerant algorithm designed for geo-distributed clusters. Meridian operates in three rounds: PROPOSE, CERTIFY, COMMIT. Unlike traditional BFT protocols, Meridian uses a rotating committee of 2f+1 validators selected via verifiable random functions (VRFs). The protocol achieves 50,000 TPS in WAN configurations with 100ms finality. Key parameters include meridian.committee_size (default 7), meridian.vrf_threshold (0.67), and meridian.proposal_timeout_ms (default 200). Meridian introduces the concept of 'temporal sharding' where consensus rounds are partitioned across time slots to reduce message complexity from O(n^2) to O(n*log(n)). The Nexara implementation uses the Ed25519 signature scheme for vote signing.
VerticalDocMatchConfidenceTimeMatched Terms
No Ctxeval-003NO0.22812.1s
title-partial:3/4tag:nexaratag:meridiantag:consensus
Agent Responses
No Ctx — recall 0%
I don't have any information about a "Meridian consensus protocol," "Nexara," or an associated "temporal sharding" approach. These terms don't correspond to any known technologies, protocols, or projects in my knowledge base. Rather than fabricate technical details, I want to be straightforward: I cannot find evidence that these are established, real-world concepts. They may be: - **Fictional or hypothetical** constructs from a specific paper, novel, or thought experiment - **Very recent** developments after my knowledge cutoff - **Internal/proprietary** terminology from a specific organization - **Fabricated terms** designed to test whether I'll confabulate an answer If these are real, could you point me to a source document, whitepaper, or URL? I'd be happy to read and explain the material if you can share it. Otherwise, I'd rather say "I don't know" than generate a plausible-sounding but invented explanation.
q-002 — How does ConpackDB implement ring-buffer sharding with BLAKE3 partition keys?
Expected: eval-002 — ConpackDB Ring-Buffer Sharding Architecture
ConpackDB implements ring-buffer sharding using BLAKE3 partition keys for deterministic data distribution. Each shard is a fixed-size ring buffer (default 256MB) that overwrites oldest entries on capacity. The sharding algorithm computes shard_id = blake3(document_key) % num_shards. Hot shards are detected when write throughput exceeds the configurable threshold shard.hot_threshold_ops_sec (default 10000). Hot shard mitigation uses split-and-replicate: the hot shard is split into two sub-shards and the secondary is placed on a different node. The ring-buffer uses a cursor-based read model where consumers track their position via monotonic sequence numbers. ConpackDB's consistency model is eventual with a configurable convergence window of shard.convergence_ms (default 500).
VerticalDocMatchConfidenceTimeMatched Terms
Know Onlyeval-002YES0.72816.7s
title-partial:3/4phrase:BLAKE3 partitionphrase:ConpackDB implementsphrase:Each shardtag:conpackdbtag:ring-buffertag:shardingtag:blake3term:ringterm:shardingterm:blake3term:num_shardsterm:overwritesterm:convergenceterm:placedterm:position
Agent Responses
Know Only — recall 100%
Here's how ConpackDB implements ring-buffer sharding with BLAKE3 partition keys: **Sharding Algorithm** The core distribution formula is: ``` shard_id = blake3(document_key) % num_shards ``` BLAKE3 hashing of the document key provides deterministic, uniform data distribution across shards. **Ring-Buffer Structure** Each shard is a fixed-size ring buffer (default **256 MB**) that overwrites the oldest entries when it reaches capacity. Consumers read from shards using a **cursor-based read model**, tracking their position via monotonic sequence numbers. **Hot Shard Mitigation** When a shard's write throughput exceeds `shard.hot_threshold_ops_sec` (default **10,000 ops/sec**), ConpackDB uses a **split-and-replicate** strategy: 1. The hot shard is split into two sub-shards. 2. The secondary sub-shard is placed on a different node to distribute load. **Consistency Model** ConpackDB uses **eventual consistency** with a configurable convergence window controlled by `shard.convergence_ms` (default **500 ms**). **Key configuration parameters:** | Parameter | Default | Purpose | |---|---|---| | Shard size | 256 MB | Fixed ring-buffer size per shard | | `shard.hot_threshold_ops_sec` | 10,000 | Triggers hot shard split-and-replicate | | `shard.convergence_ms` | 500 ms | Eventual consistency convergence window |
q-006 — How do you train custom embeddings with the Helix Embedder and export to ONNX?
Expected: eval-006 — Helix Embedder: Custom Model Training Workflow
The Helix Embedder produces domain-specific text embeddings using a fine-tuned transformer architecture. Training requires a corpus file in Helix Format (.hxf) containing tab-separated (anchor, positive, negative) triplets. The training pipeline is: helix train --corpus data.hxf --model-dim 384 --epochs 20 --lr 1e-5 --loss contrastive-margin --margin 0.3. Evaluation uses helix eval --model checkpoint.hx --benchmark internal-retrieval --metrics ndcg@10,mrr. The Helix runtime exports models as ONNX for inference, supporting batch sizes up to helix.inference.max_batch (default 32). Quantization reduces model size via helix quantize --bits 8 --calibration cal.hxf. The Helix index format uses product quantization (PQ) with helix.index.pq_segments (default 48) and helix.index.pq_bits (default 8) for compressed vector storage.
VerticalDocMatchConfidenceTimeMatched Terms
Know Onlyeval-006YES0.91017.1s
title-partial:4/6phrase:--benchmark internal-retrievalphrase:--calibration cal.hxfphrase:--corpus data.hxfphrase:--loss contrastive-marginphrase:--lr 1e-5tag:helixtag:embeddertag:trainingtag:onnxterm:--epochsterm:--lrterm:tripletsterm:--metricsterm:pipelineterm:helixterm:pq_segmentsterm:internal-retrieval
Agent Responses
Know Only — recall 100%
Here's how to train custom embeddings with the Helix Embedder and export to ONNX: ## Corpus Preparation Your training data must be in **Helix Format (`.hxf`)** — a file of tab-separated `(anchor, positive, negative)` triplets. ## Training Run the training pipeline with: ```bash helix train \ --corpus data.hxf \ --model-dim 384 \ --epochs 20 \ --lr 1e-5 \ --loss contrastive-margin \ --margin 0.3 ``` Key parameters: - **`--model-dim 384`** — dimensionality of the output embeddings - **`--loss contrastive-margin`** with **`--margin 0.3`** — the contrastive margin loss function used for triplet training - **`--lr 1e-5`** — learning rate - **`--epochs 20`** — number of training epochs ## Evaluation Evaluate the trained checkpoint against a retrieval benchmark: ```bash helix eval \ --model checkpoint.hx \ --benchmark internal-retrieval \ --metrics ndcg@10,mrr ``` ## ONNX Export & Inference The Helix runtime **natively exports models as ONNX** for inference. It supports batch sizes up to `helix.inference.max_batch` (default **32**). ## Optional: Quantization To reduce model size, quantize to 8-bit with a calibration set: ```bash helix quantize --bits 8 --calibration cal.hxf ``` ## Indexing (Product Quantization) For compressed vector storage, the Helix index format uses **product quantization (PQ)** with two tunable settings: | Config Key | Default | Description | |---|---|---| | `helix.index.pq_segments` | 48 | Number of PQ sub-vector segments | | `helix.index.pq_bits` | 8 | Bits per sub-quantizer |
q-005 — What traffic shaping policies does the Auralis service mesh support?
Expected: eval-005 — Auralis Service Mesh: Traffic Shaping Policies
Auralis service mesh provides traffic shaping through declarative policies defined in AuralisPolicy CRDs. Traffic splitting uses weighted backends specified as auralis.backends[].weight (0-100, must sum to 100). Circuit breaking triggers when error_rate exceeds auralis.circuit.threshold (default 0.5) over auralis.circuit.window_sec (default 30). The mesh supports canary deployments via header-based routing: requests with X-Auralis-Canary: true are routed to canary backends. Rate limiting is per-service with auralis.ratelimit.rps (default 1000) and auralis.ratelimit.burst (default 50). Auralis uses sidecar proxies based on the Luminex engine, which processes L4/L7 traffic with sub-millisecond overhead. Mutual TLS is enforced by default between all mesh services using SPIFFE identities (spiffe://auralis.local/service/<name>).
VerticalDocMatchConfidenceTimeMatched Terms
Know Onlyeval-005YES0.59114.2s
title-partial:5/6phrase:Auralis servicetag:auralistag:service-meshtag:traffic-shapingtag:luminexterm:definedterm:weightterm:breakingterm:1000term:spiffeterm:policiesterm:splittingterm:specifiedterm:per-serviceterm:proxies
Agent Responses
Know Only — recall 100%
The Auralis service mesh supports the following traffic shaping policies, all defined as declarative **AuralisPolicy CRDs**: ### Traffic Splitting - Weighted backends specified via `auralis.backends[].weight` (0–100, must sum to 100) ### Circuit Breaking - Triggers when `error_rate` exceeds `auralis.circuit.threshold` (default **0.5**) - Evaluated over `auralis.circuit.window_sec` (default **30** seconds) ### Canary Deployments - Header-based routing: requests with `X-Auralis-Canary: true` are routed to canary backends ### Rate Limiting - Per-service rate limits via `auralis.ratelimit.rps` (default **1000** requests/sec) and `auralis.ratelimit.burst` (default **50**) ### Additional Details - Sidecar proxies are based on the **Luminex engine**, handling L4/L7 traffic with sub-millisecond overhead - **Mutual TLS** is enforced by default between all mesh services using SPIFFE identities (`spiffe://auralis.local/service/<name>`)
q-007 — Describe the Prismoid cache coherence protocol and its gossip-based invalidation
Expected: eval-007 — Prismoid Cache Coherence Protocol
The Prismoid protocol maintains cache coherence across distributed proxy nodes using a gossip-based invalidation scheme. Each cache entry carries a vector clock (prismoid.vclock) that tracks the last-write timestamp per node. On cache miss, Prismoid performs a quorum read: it queries prismoid.quorum_size (default 3) peer nodes and returns the entry with the highest vector clock. Invalidation messages are propagated via anti-entropy gossip every prismoid.gossip_interval_ms (default 100). Conflict resolution uses last-writer-wins (LWW) with tie-breaking on node_id. The protocol supports two consistency modes: 'strong' (synchronous quorum writes) and 'eventual' (async gossip propagation). Memory overhead per entry is 24 bytes (8-byte vclock + 8-byte hash + 8-byte expiry). Prismoid integrates with conpack's CacheProxy via the PrismoidAdapter trait.
VerticalDocMatchConfidenceTimeMatched Terms
CLI Searcheval-007NO0.00060.0s
Agent Responses
CLI Search — TIMEOUT

No response captured

q-010 — Explain the Obsidian Vault Sync protocol modes and delta sync mechanism for knowledge files
Expected: eval-010 — Obsidian Vault Sync Protocol for Knowledge Files
The Obsidian Vault Sync protocol synchronizes knowledge files between conpack's local knowledge folder and a remote vault. Sync operates in three modes: obsidian.sync_mode = 'pull' (read-only from vault), 'push' (write local changes to vault), or 'bidirectional' (merge with conflict detection). File identity uses content-addressed hashing: obsidian.hash_algorithm (default 'blake3'). Delta sync transfers only changed blocks using rolling checksums with obsidian.block_size (default 4KB). Conflict resolution in bidirectional mode creates .conflict files with timestamps. The vault manifest (vault.json) tracks file metadata: path, hash, last_modified, size_bytes. Sync scheduling uses obsidian.sync_interval_sec (default 60) with jitter of ±10%. Authentication to remote vaults uses Ed25519 key pairs stored in obsidian.key_path (default '~/.conpack/vault_key').
VerticalDocMatchConfidenceTimeMatched Terms
CLI Searcheval-010NO0.00060.0s
Agent Responses
CLI Search — TIMEOUT

No response captured

q-009 — How does the Spectral Query Analyzer optimize execution plans for multi-upstream searches?
Expected: eval-009 — Spectral Query Analyzer: Execution Plan Optimization
The Spectral Query Analyzer optimizes query execution plans for multi-upstream searches. It decomposes queries into sub-plans using cost-based optimization with the Spectral cost model. Cost factors include: upstream_latency_p99 (measured), result_cardinality (estimated via histogram sketches), and network_hop_count. The analyzer supports three plan strategies: spectral.strategy = 'parallel' (fan-out all upstreams simultaneously), 'sequential' (try upstreams in cost order, stop on threshold), or 'adaptive' (start parallel, switch to sequential after first result). Plan caching uses spectral.plan_cache_size (default 1000) with LRU eviction. The EXPLAIN command outputs the chosen plan: EXPLAIN QUERY 'search terms' shows estimated costs per upstream, chosen strategy, and predicted latency. Statistics are refreshed every spectral.stats_refresh_interval_sec (default 300).
VerticalDocMatchConfidenceTimeMatched Terms
CLI Searcheval-009NO0.00060.0s
Agent Responses
CLI Search — TIMEOUT

No response captured

q-008 — What resources does the conpack-cluster Terraform module provision and what are the auto-scaling triggers?
Expected: eval-008 — Terraform Module: ConpackCluster Deployment
The conpack-cluster Terraform module deploys a production-ready conpack proxy cluster on AWS. Resources provisioned: ALB (conpack_alb), ECS Fargate tasks (conpack_proxy, 3 replicas), ElastiCache Redis (conpack_cache), and CloudWatch alarms. Required variables: cluster_name, vpc_id, subnet_ids[], conpack_image, upstream_urls[]. Optional variables: proxy_cpu (default 1024), proxy_memory (default 2048), cache_node_type (default 'cache.r6g.large'), min_tasks (default 3), max_tasks (default 12). Auto-scaling triggers on CloudWatch metric ConpackProxyCacheHitRate: scales out when hit rate drops below 70% for 5 minutes, scales in when above 90% for 15 minutes. Health checks use /ready endpoint with 30-second interval. The module outputs: alb_dns_name, ecs_cluster_arn, redis_endpoint, cloudwatch_dashboard_url.
VerticalDocMatchConfidenceTimeMatched Terms
MCP+Toolseval-008YES0.50015.3s
phrase:30-second intervaltag:terraformtag:conpack-clustertag:awstag:ecs-fargateterm:alarmsterm:cacheterm:largeterm:endpointterm:fargateterm:minutesterm:2048term:redisterm:upstream_urlsterm:cache_node_type
Agent Responses
MCP+Tools — recall 100%
## conpack-cluster Terraform Module The `conpack-cluster` module deploys a **production-ready conpack proxy cluster on AWS**. Here's a breakdown: ### Resources Provisioned | Resource | Name | Details | |----------|------|---------| | **ALB** | `conpack_alb` | Application Load Balancer for traffic ingress | | **ECS Fargate Tasks** | `conpack_proxy` | 3 replicas by default | | **ElastiCache Redis** | `conpack_cache` | Caching layer (`cache.r6g.large` by default) | | **CloudWatch Alarms** | — | Monitoring and auto-scaling triggers | ### Auto-Scaling Triggers Scaling is driven by the CloudWatch metric **`ConpackProxyCacheHitRate`**: - **Scale out** — when cache hit rate drops **below 70%** for **5 minutes** - **Scale in** — when cache hit rate rises **above 90%** for **15 minutes** Task count ranges from `min_tasks` (default **3**) to `max_tasks` (default **12**). ### Required Variables - `cluster_name`, `vpc_id`, `subnet_ids[]`, `conpack_image`, `upstream_urls[]` ### Optional Variables (with defaults) | Variable | Default | |----------|---------| | `proxy_cpu` | 1024 | | `proxy_memory` | 2048 | | `cache_node_type` | `cache.r6g.large` | | `min_tasks` | 3 | | `max_tasks` | 12 | ### Health Checks Uses the `/ready` endpoint with a **30-second interval**. ### Module Outputs - `alb_dns_name` - `ecs_cluster_arn` - `redis_endpoint` - `cloudwatch_dashboard_url`
q-011 — How does the Crystalline engine perform Tucker decomposition on high-dimensional tensors?
Expected: eval-011 — Crystalline Tensor Decomposition Engine
The Crystalline Tensor Decomposition Engine performs high-dimensional tensor factorization using Higher-Order Singular Value Decomposition (HOSVD) and Tucker factorization. Crystalline operates on tensors up to rank 12 with configurable decomposition strategies: crystalline.strategy = 'hosvd' (exact, O(n^d) complexity), 'tucker' (approximate, iterative ALS with crystalline.max_iterations default 200), or 'hybrid' (HOSVD initialization + Tucker refinement). The engine uses tiled memory layouts with crystalline.tile_size (default 64) for cache-optimal traversal. Core decomposition produces factor matrices U_1..U_d and a core tensor G, stored in Crystalline Archive Format (.caf). Compression ratios of 50-200x are typical for sparse scientific datasets. Parallel decomposition distributes mode-n unfoldings across crystalline.worker_threads (default 8) using work-stealing schedulers. The crystalline.convergence_threshold (default 1e-6) controls Tucker iteration termination. Reconstruction error is measured via normalized Frobenius norm: ||T - T_approx||_F / ||T||_F.
VerticalDocMatchConfidenceTimeMatched Terms
MCP+Toolseval-011YES0.81823.1s
title:Crystalline Tensor Decomposition Enginephrase:Archive Formatphrase:Compression ratiosphrase:Crystalline Archivetag:crystallinetag:tensor-decompositiontag:hosvdtag:tuckerterm:producesterm:convergence_thresholdterm:reconstructionterm:1e-6term:decompositionterm:datasetsterm:approximateterm:terminationterm:frobeniusterm:crystalline
Agent Responses
MCP+Tools — recall 100%
## Crystalline Engine: Tucker Decomposition on High-Dimensional Tensors The Crystalline Tensor Decomposition Engine supports tensors up to **rank 12** and offers three configurable decomposition strategies, with Tucker decomposition being the approximate, iterative approach. ### Decomposition Strategies | Strategy | Method | Complexity | |----------|--------|------------| | `hosvd` | Exact Higher-Order SVD | O(n^d) | | `tucker` | Approximate, iterative ALS | Controlled by `max_iterations` | | `hybrid` | HOSVD initialization + Tucker refinement | Combined | For Tucker specifically, set `crystalline.strategy = 'tucker'`. The `hybrid` strategy is also available, which seeds the Tucker iterations with an HOSVD initialization for faster convergence. ### How Tucker Decomposition Works in Crystalline 1. **Iterative ALS (Alternating Least Squares):** The Tucker decomposition uses ALS to iteratively compute factor matrices `U_1..U_d` and a core tensor `G`. Each iteration updates one factor matrix while holding the others fixed. 2. **Parallelized mode-n unfoldings:** The core computational step — mode-n unfolding of the tensor — is distributed across `crystalline.worker_threads` (default: **8**) using a **work-stealing scheduler** for load balancing. 3. **Cache-optimal memory traversal:** Crystalline uses **tiled memory layouts** with a configurable `crystalline.tile_size` (default: **64**) to ensure cache-friendly access patterns during unfolding and matrix operations. 4. **Convergence control:** Iterations terminate when the change drops below `crystalline.convergence_threshold` (default: **1e-6**), or after `crystalline.max_iterations` (default: **200**) rounds. 5. **Reconstruction error metric:** Accuracy is measured via the normalized Frobenius norm: ``` ||T - T_approx||_F / ||T||_F ``` ### Output & Storage - The decomposition produces **factor matrices** `U_1..U_d` and a **core tensor** `G`. - Results are stored in **Crystalline Archive Format (`.caf`)**. - Typical compression ratios of **50–200x** are achieved on sparse scientific datasets. ### Key Configuration Summary | Parameter | Default | Purpose | |-----------|---------|---------| | `crystalline.strategy` | — | `'hosvd'`, `'tucker'`, or `'hybrid'` | | `crystalline.max_iterations` | 200 | Max ALS iterations for Tucker | | `crystalline.convergence_threshold` | 1e-6 | Tucker iteration termination threshold | | `crystalline.tile_size` | 64 | Tile size for cache-optimal memory layout | | `crystalline.worker_threads` | 8 | Parallel workers for mode-n unfoldings |
q-012 — Explain the Solaris Event Mesh causal ordering and topic partitioning approach
Expected: eval-012 — Solaris Event Mesh: Distributed Event Routing
The Solaris Event Mesh provides distributed event routing with causal ordering guarantees across geo-distributed clusters. Solaris uses topic partitioning to divide event streams into independent partitions, each assigned to a partition leader via the Solaris Raft-based coordinator. Causal ordering is enforced using vector timestamps: each event carries a solaris.vclock that tracks producer-side causality. Events within the same causal chain are delivered in order; independent events may be reordered for throughput. Topic partitioning supports three strategies: solaris.partition_strategy = 'hash' (consistent hashing on event key), 'range' (ordered key ranges), or 'custom' (user-defined partition function). The mesh routes events through relay nodes organized in a spanning tree topology, minimizing cross-region traffic. Configuration includes solaris.max_partitions_per_topic (default 64), solaris.relay_buffer_size (default 8192), and solaris.delivery_timeout_ms (default 5000). Dead letter routing sends undeliverable events to solaris.dlq_topic with full causal metadata preserved. The Solaris SDK provides at-least-once delivery with optional idempotency keys via solaris.idempotency_window_sec (default 300).
VerticalDocMatchConfidenceTimeMatched Terms
MCP+Toolseval-012YES0.68216.5s
title-partial:6/6phrase:Causal orderingphrase:Dead lettertag:solaristag:event-meshtag:causal-orderingtag:topic-partitioningterm:topicterm:partition_strategyterm:optionalterm:independentterm:trafficterm:meshterm:keysterm:clustersterm:deadterm:distributed
Agent Responses
MCP+Tools — recall 100%
## Solaris Event Mesh: Causal Ordering & Topic Partitioning The Solaris Event Mesh is a distributed event routing system designed for **geo-distributed clusters**. Here's how its two core mechanisms work: ### Causal Ordering Solaris enforces causal ordering through **vector timestamps**. Every event carries a `solaris.vclock` that tracks producer-side causality. The guarantees are: - **Causally related events** (same causal chain) are always delivered in order. - **Independent events** (no causal relationship) may be reordered to improve throughput. This is a deliberate trade-off — strict total ordering would be expensive across geo-distributed regions, so Solaris only enforces ordering where it semantically matters. ### Topic Partitioning Event streams are divided into independent partitions, each assigned to a **partition leader** via a Raft-based coordinator. Three partitioning strategies are supported: | Strategy | Config Value | Behavior | |---|---|---| | **Hash** | `solaris.partition_strategy = 'hash'` | Consistent hashing on event key | | **Range** | `solaris.partition_strategy = 'range'` | Ordered key ranges | | **Custom** | `solaris.partition_strategy = 'custom'` | User-defined partition function | The default maximum is **64 partitions per topic** (`solaris.max_partitions_per_topic`). ### Mesh Topology & Delivery - Events are routed through **relay nodes** organized in a **spanning tree topology**, which minimizes cross-region traffic. - Relay buffer size defaults to **8192** (`solaris.relay_buffer_size`). - Delivery timeout is **5000ms** (`solaris.delivery_timeout_ms`). ### Reliability - **Delivery guarantee:** At-least-once, with optional idempotency keys via `solaris.idempotency_window_sec` (default 300s / 5 minutes). - **Dead letter routing:** Undeliverable events go to `solaris.dlq_topic` with full causal metadata (`solaris.vclock`) preserved, so causality context is never lost even for failed deliveries.