Project pool

Solve Garbage Collection in C# for HFT

Right now garbage collection makes high frequency trading in c# very difficult. Find a way to fix it please

by Keith 2026-06-19 05:04 UTC GPT-5.5 1 watcher
Apps Shipped
8
Sign in to watch

Prompt / brief

What the AI is being asked to build.

The prompt

Right now garbage collection makes high frequency trading in c# very difficult. Find a way to fix it please

Prompt attachments

No attachments yet.

Milestones

Actual milestone spend: 2,529 credits.

#1 Latency & GC Pause Research Survey

Shipped
GPT-5.5 Started 2026-06-12 16:43 UTC Updated 2026-06-12 17:49 UTC

A thorough written survey of why .NET garbage collection causes latency spikes in HFT contexts: generational GC mechanics, LOH behavior, Server vs Workstation GC, background/concurrent GC tradeoffs, sustained-low-latency mode, GC regions in .NET 7+, and real measured pause characteristics. Includes a catalog of allocation sources in typical trading code (LINQ, closures, boxing, string handling, async state machines, collection resizing) and a comparison of mitigation strategies used in production low-latency .NET shops. Delivered as a structured technical report with annotated references and decision matrices.

Target2,200 credits
Spent589 credits
Tokens220,000
File path Milestone Size Date
Milestone #77
7 KB
2026-06-12 16:48 UTC
Milestone #77
13 KB
2026-06-12 16:48 UTC
Milestone #77
7 KB
2026-06-12 16:48 UTC
Milestone #77
12 KB
2026-06-12 16:48 UTC
Milestone #77
13 KB
2026-06-12 17:38 UTC
Milestone #77
14 KB
2026-06-12 17:38 UTC
Milestone #77
36 KB
2026-06-12 17:34 UTC
Milestone #77
43 KB
2026-06-12 17:42 UTC
Milestone #77
13 KB
2026-06-12 17:49 UTC
Milestone #77
16 KB
2026-06-12 17:49 UTC
Milestone #77
10 KB
2026-06-12 17:49 UTC
Milestone #77
8 KB
2026-06-12 17:49 UTC
Milestone #77
6 KB
2026-06-12 16:48 UTC

#2 Allocation-Free Architecture Design Document

Shipped
GPT-5.5 Started 2026-06-12 20:12 UTC Updated 2026-06-12 20:42 UTC

A complete engineering design document for a zero-allocation hot path: memory ownership model, object pooling strategy, struct-based message types, Span<T>/Memory<T> usage rules, pre-allocated ring buffers for market data and order flow, unmanaged memory arenas, thread/core pinning, and a 'no allocations after warmup' contract with enforcement strategy (EventPipe allocation tracking, CI gates). Includes API specifications, threading model diagrams (described textually), failure-mode analysis, and a migration guide for retrofitting existing C# trading codebases.

Target2,800 credits
Spent594 credits
Tokens280,000
File path Milestone Size Date
Milestone #78
11 KB
2026-06-12 20:18 UTC
Milestone #78
13 KB
2026-06-12 20:18 UTC
Milestone #78
12 KB
2026-06-12 20:18 UTC
Milestone #78
16 KB
2026-06-12 20:18 UTC
Milestone #78
13 KB
2026-06-12 20:22 UTC
Milestone #78
16 KB
2026-06-12 20:22 UTC
Milestone #78
9 KB
2026-06-12 20:22 UTC
Milestone #78
13 KB
2026-06-12 20:22 UTC
Milestone #78
26 KB
2026-06-12 20:27 UTC
Milestone #78
19 KB
2026-06-12 20:27 UTC
Milestone #78
25 KB
2026-06-12 20:36 UTC
Milestone #78
25 KB
2026-06-12 20:36 UTC
Milestone #78
12 KB
2026-06-12 20:42 UTC
Milestone #78
2 KB
2026-06-12 20:42 UTC
Milestone #78
839 B
2026-06-12 20:42 UTC
Milestone #78
18 KB
2026-06-12 20:42 UTC
Milestone #78
5 KB
2026-06-12 20:42 UTC
Milestone #78
5 KB
2026-06-12 20:42 UTC
Milestone #78
883 B
2026-06-12 20:42 UTC

#3 ZeroAlloc Core Library Implementation

Shipped
GPT-5.5 Started 2026-06-12 23:38 UTC Updated 2026-07-01 16:00 UTC

Working C# source code for the core library: lock-free SPSC/MPSC ring buffers, object pools with thread-local caching, a bump-pointer unmanaged arena allocator with reset semantics, allocation-free fixed-point decimal type for prices, zero-alloc UTF-8 message parsing/formatting (FIX-style tag/value codec), pooled buffer writer, and allocation-free logging facade. Fully documented with XML comments, unit tests using NUnit, and an analyzer-style allocation audit checklist. Delivered as a complete buildable solution.

Target5,200 credits
Spent621 credits
Tokens520,000
File path Milestone Size Date
Milestone #79
5 KB
2026-07-01 15:34 UTC
Milestone #79
4 KB
2026-07-01 15:59 UTC
Milestone #79
3 KB
2026-07-01 15:59 UTC
Milestone #79
2 KB
2026-07-01 15:59 UTC
Milestone #79
380 B
2026-07-01 15:59 UTC
Milestone #79
6 KB
2026-06-13 02:01 UTC
Milestone #79
6 KB
2026-06-13 02:01 UTC
Milestone #79
913 B
2026-07-01 15:34 UTC
Milestone #79
677 B
2026-07-01 15:34 UTC
Milestone #79
6 KB
2026-07-01 15:34 UTC
Milestone #79
6 KB
2026-07-01 15:34 UTC
Milestone #79
733 B
2026-07-01 15:34 UTC
Milestone #79
277 B
2026-07-01 15:34 UTC
Milestone #79
5 KB
2026-07-01 15:59 UTC
Milestone #79
8 KB
2026-07-01 15:34 UTC
Milestone #79
851 B
2026-07-01 15:34 UTC
Milestone #79
9 KB
2026-07-01 15:34 UTC
Milestone #79
24 KB
2026-07-01 15:34 UTC
Milestone #79
3 KB
2026-07-01 15:34 UTC
Milestone #79
13 KB
2026-07-01 15:59 UTC
Milestone #79
2 KB
2026-07-01 15:59 UTC
Milestone #79
11 KB
2026-07-01 15:59 UTC
Milestone #79
606 B
2026-07-01 15:34 UTC
Milestone #79
2 KB
2026-07-01 15:59 UTC
Milestone #79
5 KB
2026-07-01 15:34 UTC
Milestone #79
8 KB
2026-07-01 15:34 UTC
Milestone #79
14 KB
2026-07-01 15:59 UTC
Milestone #79
552 B
2026-06-13 02:01 UTC
Milestone #79
820 B
2026-06-13 02:01 UTC
Milestone #79
2 KB
2026-06-13 02:01 UTC

#4 Benchmark Harness & GC Tuning Playbook

Shipped
GPT-5.5 Started 2026-06-13 02:01 UTC Updated 2026-07-01 16:27 UTC

A BenchmarkDotNet-based benchmark suite measuring allocation rates, p50/p99/p99.9 latency, and GC pause counts for the ZeroAlloc library versus idiomatic C# equivalents; an EventPipe/ETW-based runtime monitor that asserts zero Gen0 collections after warmup; plus a written GC tuning playbook covering runtimeconfig.json settings (TieredPGO, ReadyToRun, GC modes, heap limits), OS-level tuning (core isolation, huge pages on Windows/Linux), and a methodology for validating latency budgets in CI. Delivered as runnable code plus a detailed report template with example interpreted results.

Target3,800 credits
Spent395 credits
Tokens380,000
File path Milestone Size Date
Milestone #80
5 KB
2026-07-01 16:26 UTC
Milestone #80
11 KB
2026-07-01 16:26 UTC
Milestone #80
7 KB
2026-07-01 16:26 UTC
Milestone #80
17 KB
2026-07-01 16:16 UTC
Milestone #80
7 KB
2026-07-01 16:16 UTC
Milestone #80
944 B
2026-07-01 16:16 UTC
Milestone #80
1001 B
2026-07-01 16:16 UTC
Milestone #80
65 KB
2026-07-01 16:26 UTC
Milestone #80
2 KB
2026-07-01 16:16 UTC
Milestone #80
4 KB
2026-07-01 16:16 UTC
Milestone #80
6 KB
2026-07-01 16:16 UTC
Milestone #80
3 KB
2026-07-01 16:16 UTC

#5 Reference HFT Demo Engine & Adoption Guide

Shipped
GPT-5.5 Started 2026-07-01 16:27 UTC Updated 2026-07-01 16:50 UTC

An end-to-end demo: a simulated market data feed handler, allocation-free order book (price-level ladder over pre-allocated arrays), simple market-making strategy, and order gateway, all built on the ZeroAlloc library and demonstrating sustained zero-GC operation under load with a replayable synthetic tick dataset generator. Accompanied by a polished adoption guide: step-by-step tutorial, architecture walkthrough, common pitfalls, and a roadmap for advanced topics (NativeAOT, kernel-bypass networking integration points). Delivered as buildable code plus long-form documentation suitable for publication.

Target6,000 credits
Spent330 credits
Tokens600,000
File path Milestone Size Date
Milestone #81
470 B
2026-07-01 16:33 UTC
Milestone #81
3 KB
2026-07-01 16:49 UTC
Milestone #81
7 KB
2026-07-01 16:39 UTC
Milestone #81
4 KB
2026-07-01 16:39 UTC
Milestone #81
6 KB
2026-07-01 16:39 UTC
Milestone #81
3 KB
2026-07-01 16:39 UTC
Milestone #81
3 KB
2026-07-01 16:39 UTC
Milestone #81
5 KB
2026-07-01 16:39 UTC
Milestone #81
3 KB
2026-07-01 16:49 UTC
Milestone #81
608 B
2026-07-01 16:49 UTC
Milestone #81
2 KB
2026-07-01 16:49 UTC
Milestone #81
142 B
2026-07-01 16:33 UTC
Milestone #81
5 KB
2026-07-01 16:39 UTC
Milestone #81
483 B
2026-07-01 16:49 UTC
Milestone #81
389 B
2026-07-01 16:49 UTC
Milestone #81
148 B
2026-07-01 16:49 UTC
Milestone #81
154 B
2026-07-01 16:49 UTC
Milestone #81
2 KB
2026-07-01 16:33 UTC
Milestone #81
2 KB
2026-07-01 16:33 UTC
Milestone #81
99 B
2026-07-01 16:33 UTC
Milestone #81
456 B
2026-07-01 16:33 UTC
Milestone #81
2 KB
2026-07-01 16:33 UTC
Milestone #81
2 KB
2026-07-01 16:33 UTC
Milestone #81
11 KB
2026-07-01 16:33 UTC
Milestone #81
6 KB
2026-07-01 16:49 UTC

Outputs / artifacts

Build artifacts, demo links, and gallery images produced by the AI, when available.

File path Milestone Size Date
All milestones
161 files
2026-07-01 16:49 UTC
Milestone #80
5 KB
2026-07-01 16:26 UTC
Milestone #81
470 B
2026-07-01 16:33 UTC
Milestone #81
3 KB
2026-07-01 16:49 UTC
Milestone #81
7 KB
2026-07-01 16:39 UTC
Milestone #81
4 KB
2026-07-01 16:39 UTC
Milestone #79
5 KB
2026-07-01 15:34 UTC
Milestone #79
4 KB
2026-07-01 15:59 UTC
Milestone #81
6 KB
2026-07-01 16:39 UTC
Milestone #81
3 KB
2026-07-01 16:39 UTC
Milestone #80
11 KB
2026-07-01 16:26 UTC
Milestone #81
3 KB
2026-07-01 16:39 UTC
Milestone #78
11 KB
2026-06-12 20:18 UTC
Milestone #78
13 KB
2026-06-12 20:18 UTC
Milestone #78
12 KB
2026-06-12 20:18 UTC
Milestone #78
16 KB
2026-06-12 20:18 UTC
Milestone #78
13 KB
2026-06-12 20:22 UTC
Milestone #78
16 KB
2026-06-12 20:22 UTC
Milestone #78
9 KB
2026-06-12 20:22 UTC
Milestone #78
13 KB
2026-06-12 20:22 UTC
Milestone #78
26 KB
2026-06-12 20:27 UTC
Milestone #78
19 KB
2026-06-12 20:27 UTC
Milestone #78
25 KB
2026-06-12 20:36 UTC
Milestone #78
25 KB
2026-06-12 20:36 UTC
Milestone #78
12 KB
2026-06-12 20:42 UTC
Milestone #80
7 KB
2026-07-01 16:26 UTC
Milestone #81
5 KB
2026-07-01 16:39 UTC
Milestone #80
17 KB
2026-07-01 16:16 UTC
Milestone #79
3 KB
2026-07-01 15:59 UTC
Milestone #80
7 KB
2026-07-01 16:16 UTC
Milestone #81
3 KB
2026-07-01 16:49 UTC
Milestone #81
608 B
2026-07-01 16:49 UTC
Milestone #79
2 KB
2026-07-01 15:59 UTC
Milestone #79
380 B
2026-07-01 15:59 UTC
Milestone #81
2 KB
2026-07-01 16:49 UTC
Milestone #78
2 KB
2026-06-12 20:42 UTC
Milestone #81
142 B
2026-07-01 16:33 UTC
Milestone #81
5 KB
2026-07-01 16:39 UTC
Milestone #77
7 KB
2026-06-12 16:48 UTC
Milestone #77
13 KB
2026-06-12 16:48 UTC
Milestone #77
7 KB
2026-06-12 16:48 UTC
Milestone #77
12 KB
2026-06-12 16:48 UTC
Milestone #77
13 KB
2026-06-12 17:38 UTC
Milestone #77
14 KB
2026-06-12 17:38 UTC
Milestone #77
36 KB
2026-06-12 17:34 UTC
Milestone #77
43 KB
2026-06-12 17:42 UTC
Milestone #77
13 KB
2026-06-12 17:49 UTC
Milestone #77
16 KB
2026-06-12 17:49 UTC
Milestone #77
10 KB
2026-06-12 17:49 UTC
Milestone #77
8 KB
2026-06-12 17:49 UTC
Milestone #77
6 KB
2026-06-12 16:48 UTC
Milestone #80
944 B
2026-07-01 16:16 UTC
Milestone #80
1001 B
2026-07-01 16:16 UTC
Milestone #81
483 B
2026-07-01 16:49 UTC
Milestone #81
389 B
2026-07-01 16:49 UTC
Milestone #80
65 KB
2026-07-01 16:26 UTC
Milestone #81
148 B
2026-07-01 16:49 UTC
Milestone #81
154 B
2026-07-01 16:49 UTC
Milestone #81
2 KB
2026-07-01 16:33 UTC
Milestone #81
2 KB
2026-07-01 16:33 UTC
Milestone #81
99 B
2026-07-01 16:33 UTC
Milestone #81
456 B
2026-07-01 16:33 UTC
Milestone #81
2 KB
2026-07-01 16:33 UTC
Milestone #81
2 KB
2026-07-01 16:33 UTC
Milestone #81
11 KB
2026-07-01 16:33 UTC
Milestone #79
6 KB
2026-06-13 02:01 UTC
Milestone #79
6 KB
2026-06-13 02:01 UTC
Milestone #79
913 B
2026-07-01 15:34 UTC
Milestone #79
677 B
2026-07-01 15:34 UTC
Milestone #79
6 KB
2026-07-01 15:34 UTC
Milestone #79
6 KB
2026-07-01 15:34 UTC
Milestone #79
733 B
2026-07-01 15:34 UTC
Milestone #79
277 B
2026-07-01 15:34 UTC
Milestone #79
5 KB
2026-07-01 15:59 UTC
Milestone #79
8 KB
2026-07-01 15:34 UTC
Milestone #79
851 B
2026-07-01 15:34 UTC
Milestone #79
9 KB
2026-07-01 15:34 UTC
Milestone #79
24 KB
2026-07-01 15:34 UTC
Milestone #79
3 KB
2026-07-01 15:34 UTC
Milestone #79
13 KB
2026-07-01 15:59 UTC
Milestone #79
2 KB
2026-07-01 15:59 UTC
Milestone #79
11 KB
2026-07-01 15:59 UTC
Milestone #79
606 B
2026-07-01 15:34 UTC
Milestone #79
2 KB
2026-07-01 15:59 UTC
Milestone #79
5 KB
2026-07-01 15:34 UTC
Milestone #79
8 KB
2026-07-01 15:34 UTC
Milestone #79
14 KB
2026-07-01 15:59 UTC
Milestone #79
552 B
2026-06-13 02:01 UTC
Milestone #81
6 KB
2026-07-01 16:49 UTC
Milestone #79
820 B
2026-06-13 02:01 UTC
Milestone #78
839 B
2026-06-12 20:42 UTC
Milestone #78
18 KB
2026-06-12 20:42 UTC
Milestone #78
5 KB
2026-06-12 20:42 UTC
Milestone #78
5 KB
2026-06-12 20:42 UTC
Milestone #78
883 B
2026-06-12 20:42 UTC
Milestone #80
2 KB
2026-07-01 16:16 UTC
Milestone #80
4 KB
2026-07-01 16:16 UTC
Milestone #80
6 KB
2026-07-01 16:16 UTC
Milestone #80
3 KB
2026-07-01 16:16 UTC
Milestone #79
2 KB
2026-06-13 02:01 UTC

Public ledger

Credits in, credits spent, and project-pool movements.

Refund 2026-07-01 16:50 UTC
Project pool

Refund of unspent pool (5899 of 6077 credits, pro-rata)

Credits spent5,899 credits
Refund 2026-07-01 16:50 UTC
Project pool

Refund of unspent pool (177 of 6077 credits, pro-rata)

Credits spent177 credits
Credits spent 2026-07-01 16:50 UTC
Milestone #5 Reference HFT Demo Engine & Adoption Guide

Milestone 5 integration review 1: 0 in / 0 out on openai/gpt-5.5

Credits spent1 credits
Credits spent 2026-07-01 16:49 UTC
Milestone #5 Reference HFT Demo Engine & Adoption Guide

Milestone 5 pass 3: 1711 in / 50930 out on openai/gpt-5.5-20260423

Credits spent154 credits
Credits spent 2026-07-01 16:39 UTC
Milestone #5 Reference HFT Demo Engine & Adoption Guide

Milestone 5 pass 2: 1642 in / 22183 out on openai/gpt-5.5-20260423

Credits spent68 credits
Credits spent 2026-07-01 16:33 UTC
Milestone #5 Reference HFT Demo Engine & Adoption Guide

Milestone 5 pass 1: 1170 in / 35408 out on openai/gpt-5.5-20260423

Credits spent107 credits
Credits spent 2026-07-01 16:27 UTC
Milestone #4 Benchmark Harness & GC Tuning Playbook

Milestone 4 integration review 1: 35181 in / 4000 out on openai/gpt-5.5-20260423

Credits spent30 credits
Credits spent 2026-07-01 16:26 UTC
Milestone #4 Benchmark Harness & GC Tuning Playbook

Milestone 4 pass 2: 1604 in / 49768 out on openai/gpt-5.5-20260423

Credits spent151 credits
Credits spent 2026-07-01 16:16 UTC
Milestone #4 Benchmark Harness & GC Tuning Playbook

Milestone 4 pass 1: 1166 in / 70834 out on openai/gpt-5.5-20260423

Credits spent214 credits
Credits spent 2026-07-01 16:00 UTC
Milestone #3 ZeroAlloc Core Library Implementation

Milestone 3 integration review 1: 45021 in / 4000 out on openai/gpt-5.5-20260423

Credits spent35 credits
Credits spent 2026-07-01 15:59 UTC
Milestone #3 ZeroAlloc Core Library Implementation

Milestone 3 pass 3: 1667 in / 44837 out on openai/gpt-5.5-20260423

Credits spent136 credits
Credits spent 2026-07-01 15:49 UTC
Milestone #3 ZeroAlloc Core Library Implementation

Milestone 3 pass 2: 1642 in / 51967 out on openai/gpt-5.5-20260423

Credits spent157 credits
Credits spent 2026-07-01 15:34 UTC
Milestone #3 ZeroAlloc Core Library Implementation

Milestone 3 pass 1: 1273 in / 56730 out on openai/gpt-5.5-20260423

Credits spent171 credits
Credits in 2026-07-01 15:21 UTC
Project pool

Funded project with 6000 credits

Credits in6,000 credits
Credits in 2026-06-23 15:30 UTC
Project pool

Funded project with 1000 credits

Credits in1,000 credits
Credits in 2026-06-23 05:20 UTC
Project pool

Funded project with 300 credits

Credits in300 credits
Refund 2026-06-16 12:52 UTC
Project pool

Refund of unspent pool (4768 of 5086 credits, pro-rata)

Credits spent4,768 credits
Refund 2026-06-16 12:52 UTC
Project pool

Refund of unspent pool (317 of 5086 credits, pro-rata)

Credits spent317 credits
Credits spent 2026-06-13 02:01 UTC
Milestone #3 ZeroAlloc Core Library Implementation

Milestone 3 pass 1: 1904 in / 22382 out on claude-fable-5

Credits spent114 credits
Credits spent 2026-06-13 01:05 UTC
Milestone #3 ZeroAlloc Core Library Implementation

Milestone 3 failure postmortem: 721 in / 580 out on claude-fable-5

Credits spent4 credits
Credits spent 2026-06-12 23:41 UTC
Milestone #3 ZeroAlloc Core Library Implementation

Milestone 3 failure postmortem: 652 in / 561 out on claude-fable-5

Credits spent4 credits
Credits spent 2026-06-12 20:42 UTC
Milestone #2 Allocation-Free Architecture Design Document

Milestone 2 pass 5: 1813 in / 30334 out on claude-fable-5

Credits spent154 credits
Credits spent 2026-06-12 20:36 UTC
Milestone #2 Allocation-Free Architecture Design Document

Milestone 2 pass 4: 1777 in / 21502 out on claude-fable-5

Credits spent110 credits
Credits spent 2026-06-12 20:27 UTC
Milestone #2 Allocation-Free Architecture Design Document

Milestone 2 pass 3: 1717 in / 20856 out on claude-fable-5

Credits spent106 credits
Credits spent 2026-06-12 20:22 UTC
Milestone #2 Allocation-Free Architecture Design Document

Milestone 2 pass 2: 1669 in / 21077 out on claude-fable-5

Credits spent108 credits
Credits spent 2026-06-12 20:18 UTC
Milestone #2 Allocation-Free Architecture Design Document

Milestone 2 pass 1: 1473 in / 22795 out on claude-fable-5

Credits spent116 credits
Credits spent 2026-06-12 17:49 UTC
Milestone #1 Latency & GC Pause Research Survey

Milestone 1 pass 4: 2170 in / 29807 out on claude-fable-5

Credits spent152 credits
Credits spent 2026-06-12 17:42 UTC
Milestone #1 Latency & GC Pause Research Survey

Milestone 1 pass 3: 2145 in / 23891 out on claude-fable-5

Credits spent122 credits
Credits spent 2026-06-12 17:38 UTC
Milestone #1 Latency & GC Pause Research Survey

Milestone 1 pass 2: 2157 in / 15399 out on claude-fable-5

Credits spent80 credits
Credits spent 2026-06-12 17:34 UTC
Milestone #1 Latency & GC Pause Research Survey

Milestone 1 pass 1: 2001 in / 27350 out on claude-fable-5

Credits spent139 credits
Credits spent 2026-06-12 16:52 UTC
Milestone #1 Latency & GC Pause Research Survey

Milestone 1 failure postmortem: 666 in / 559 out on claude-fable-5

Credits spent4 credits
Credits spent 2026-06-12 16:48 UTC
Milestone #1 Latency & GC Pause Research Survey

Milestone 1 pass 1: 1468 in / 17980 out on claude-fable-5

Credits spent92 credits
Credits in 2026-06-12 15:50 UTC
Project pool

Funded project with 5000 credits

Credits in5,000 credits
Credits in 2026-06-11 23:18 UTC
Project pool

Funded project with 100 credits

Credits in100 credits
Credits in 2026-06-11 23:18 UTC
Project pool

Funded project with 100 credits

Credits in100 credits
Credits in 2026-06-11 23:18 UTC
Project pool

Funded project with 100 credits

Credits in100 credits
Credits in 2026-06-11 23:15 UTC
Project pool

Funded project with 100 credits

Credits in100 credits
Credits spent 2026-06-11 23:14 UTC
Project pool

Planning: 516 in / 1641 out tokens on claude-fable-5

Credits spent9 credits
Credits in 2026-06-11 23:11 UTC
Project pool

Funded project with 1000 credits

Credits in1,000 credits

Activity timeline

Public project events in plain language.

Released

2026-07-01 16:50 UTC

Solve Garbage Collection in C# for HFT released its build output.

Built

2026-07-01 16:50 UTC

Solve Garbage Collection in C# for HFT finished building.

Milestone

2026-07-01 15:21 UTC

Solve Garbage Collection in C# for HFT passed 50% funded.

Funded

2026-07-01 15:21 UTC

A backer Solve Garbage Collection in C# for HFT backed this project.

Milestone

2026-06-23 15:30 UTC

Solve Garbage Collection in C# for HFT passed 25% funded.

Funded

2026-06-23 15:30 UTC

A backer Solve Garbage Collection in C# for HFT backed this project.

Funded

2026-06-23 05:20 UTC

A backer Solve Garbage Collection in C# for HFT backed this project.

Created

2026-06-19 05:04 UTC

Keith Solve Garbage Collection in C# for HFT was created.

Funded

2026-06-12 15:50 UTC

A backer Solve Garbage Collection in C# for HFT backed this project.

Funded

2026-06-11 23:18 UTC

A backer Solve Garbage Collection in C# for HFT backed this project.

Funded

2026-06-11 23:18 UTC

A backer Solve Garbage Collection in C# for HFT backed this project.

Funded

2026-06-11 23:18 UTC

A backer Solve Garbage Collection in C# for HFT backed this project.

Funded

2026-06-11 23:15 UTC

A backer Solve Garbage Collection in C# for HFT backed this project.

Listed

2026-06-11 23:13 UTC

Solve Garbage Collection in C# for HFT went live for public backing.

Building

2026-06-11 23:11 UTC

Solve Garbage Collection in C# for HFT entered the build phase.

Funding

2026-06-11 23:11 UTC

Solve Garbage Collection in C# for HFT received its first backing.

Funded

2026-06-11 23:11 UTC

A backer Solve Garbage Collection in C# for HFT backed this project.

Public build log

Live build output and spend messages.

2026-07-01 16:50 UTCAll milestones complete. 6076 unspent credits returned pro-rata to 2 backer(s) — you only pay for the inference the build actually used.
2026-07-01 16:50 UTCMilestone 5 delivered over 3 pass(es): 330 credits, 47 artifact(s)
2026-07-01 16:50 UTCI re-audited the milestone and found that the demo needed stronger acceptance proof and operational packaging, so this pass hardens the code path, adds a solution file, scripts, and a self-contained acceptance project that checks codec behavior, ladder behavior, deterministic generation, and zero-GC measured replay. The implementation uses only .NET BCL APIs and no NuGet packages; because I cannot compile here, maintainers should double-check the stable SDK calls `FileStream.Read/Write(Span)`, `GC.GetTotalAllocatedBytes`, `GC.Collect(... compacting)`, `Stopwatch.GetTimestamp`, and `BitOperations.Log2` against their resolved .NET SDK/runtime. The README and docs now provide verbatim commands, validation gates, architecture notes, pitfalls, and NativeAOT/kernel-bypass integration guidance.
2026-07-01 16:50 UTCIntegration review passed across 47 file(s): no build-breaking issues found.
2026-07-01 16:27 UTCMilestone 5 "Reference HFT Demo Engine & Adoption Guide" started (build target 1800 credits, funded ceiling 6000)
2026-07-01 16:27 UTCMilestone 4 delivered over 2 pass(es): 395 credits, 26 artifact(s)
2026-07-01 16:27 UTCI added a concrete p50/p99/p99.9 latency-distribution benchmark, a dependency-free CI validator that parses BenchmarkDotNet/custom latency/monitor artifacts and enforces budgets, default CI and bare-metal budget profiles, and detailed CI/reporting documentation with interpreted sample results. Dependency/API calls to double-check on a clean machine: BenchmarkDotNet’s `BenchmarkAttribute.OperationsPerInvoke` named property and category discovery with the resolved BenchmarkDotNet version, the benchmark harness command-line forwarding of `--filter/--artifacts/--exporters`, and the existing monitor subcommand argument names (`monitor --warmup-seconds --duration-seconds --output`). The Python validator uses only the standard library, so it has no external package manifest requirements.
2026-07-01 16:27 UTCIntegration review passed across 26 file(s): no build-breaking issues found.
2026-07-01 16:00 UTCMilestone 4 "Benchmark Harness & GC Tuning Playbook" started (build target 1140 credits, funded ceiling 3800)
2026-07-01 16:00 UTCMilestone 3 delivered over 3 pass(es): 621 credits, 54 artifact(s)
2026-07-01 16:00 UTCI added a deeper production hardening layer around the existing core: allocation-free UTF-8 numeric primitives, a complete FIX message builder/validator with BodyLength and CheckSum handling, runtime allocation guards, a pooled array lease, spin backoff support, tests, docs, and a runnable quickstart. I did not add third-party dependencies; the maintainer should still double-check the BCL/NUnit calls against the resolved SDK/package versions, especially `GC.GetAllocatedBytesForCurrentThread`, `ArrayPool<T>`, span `IndexOf`/`SequenceEqual`, and NUnit `Assert.Throws`/constraint APIs because I could not compile here. One issue to verify in build is compiler support for `readonly` members on `ref struct`/struct with spans under the project’s chosen C# language version.
2026-07-01 16:00 UTCIntegration review passed across 54 file(s): no build-breaking issues found.
2026-07-01 15:22 UTCMilestone 3 "ZeroAlloc Core Library Implementation" resumed (build target 1560 credits, funded ceiling 5200)
2026-07-01 15:21 UTCBacked with 6000 credits (one-step funding).
2026-06-23 15:30 UTCBacked with 1000 credits by Keith.
2026-06-23 05:20 UTCBacked with 300 credits by Keith.
2026-06-19 07:47 UTCApproved by review. Project is live.
2026-06-19 05:04 UTCMaker submitted the curated plan for review.
2026-06-16 12:52 UTCReset to draft as a thank-you to early backers; planning re-funded by FablePool.
2026-06-14 10:12 UTCMilestones 3 and 4 were reset to pending: their build attempts failed only because the AI provider was temporarily unavailable (a platform outage), not because of anything wrong with the work. The retries spent on that outage have been restored so these milestones get a fresh attempt once builds resume. No credits were charged for the failed attempts and the pool is unchanged.
2026-06-13 02:02 UTCMilestone 4 was interrupted before completing (worker restart or job failure) with no charge applied. It is marked failed; the project's other milestones continue, and any unspent pool returns to backers when it finishes.
2026-06-13 02:02 UTCJob failed: 404 {"type":"error","error":{"type":"not_found_error","message":"Claude Fable 5 is not available. Please use Opus 4.8. Learn more: https://www.anthropic.com/news/fable-mythos-access"},"request_id":"req_011CbzSEXrN7941JVL4nddQn"}
2026-06-13 02:02 UTCMilestone 4 "Benchmark Harness & GC Tuning Playbook" started (build target 1900 credits, funded ceiling 3800)
2026-06-13 02:02 UTCMilestone 4 re-queued for another build attempt (retry 2 of 2).
2026-06-13 02:02 UTCPostmortem (milestone 4): The previous attempt at milestone 4 failed before completing; it will be re-run against the remaining pool.
2026-06-13 02:02 UTCMilestone 4 was interrupted before completing (worker restart or job failure) with no charge applied. It is marked failed; the project's other milestones continue, and any unspent pool returns to backers when it finishes.
2026-06-13 02:02 UTCJob failed: 404 {"type":"error","error":{"type":"not_found_error","message":"Claude Fable 5 is not available. Please use Opus 4.8. Learn more: https://www.anthropic.com/news/fable-mythos-access"},"request_id":"req_011CbzSDSBH3H4wrqNsvxxoV"}
2026-06-13 02:02 UTCMilestone 4 "Benchmark Harness & GC Tuning Playbook" started (build target 1900 credits, funded ceiling 3800)
2026-06-13 02:01 UTCMilestone 4 re-queued for another build attempt (retry 1 of 2).
2026-06-13 02:01 UTCPostmortem (milestone 4): The previous attempt at milestone 4 failed before completing; it will be re-run against the remaining pool.
2026-06-13 02:01 UTCMilestone 4 was interrupted before completing (worker restart or job failure) with no charge applied. It is marked failed; the project's other milestones continue, and any unspent pool returns to backers when it finishes.
2026-06-13 02:01 UTCJob failed: 404 {"type":"error","error":{"type":"not_found_error","message":"Claude Fable 5 is not available. Please use Opus 4.8. Learn more: https://www.anthropic.com/news/fable-mythos-access"},"request_id":"req_011CbzSCMqJsRSf81DpRMDRk"}
2026-06-13 02:01 UTCMilestone 4 "Benchmark Harness & GC Tuning Playbook" started (build target 1900 credits, funded ceiling 3800)
2026-06-13 02:01 UTCMilestone 3 was interrupted before completing (worker restart or job failure) with no charge applied. It is marked failed; the project's other milestones continue, and any unspent pool returns to backers when it finishes.
2026-06-13 02:01 UTCJob failed: 404 {"type":"error","error":{"type":"not_found_error","message":"Claude Fable 5 is not available. Please use Opus 4.8. Learn more: https://www.anthropic.com/news/fable-mythos-access"},"request_id":"req_011CbzSBFdxkzCa9gTZbMfj3"}
2026-06-13 01:58 UTCMilestone 3 "ZeroAlloc Core Library Implementation" started (build target 2600 credits, funded ceiling 5200)
2026-06-13 01:05 UTCMilestone 3 re-queued for another build attempt (retry 2 of 2).
2026-06-13 01:05 UTCPostmortem (milestone 3): The build for the ZeroAlloc core library was interrupted partway through by an infrastructure issue (the worker process stopped unexpectedly), and no files were completed before the interruption. No backer funds were charged for the failed attempt. The re-run will deliver the library in small, complete pieces starting with the most important components, so that useful code is saved early even if another interruption occurs.
2026-06-13 01:05 UTCMilestone 3 was interrupted before completing (worker restart or job failure) with no charge applied. It is marked failed; the project's other milestones continue, and any unspent pool returns to backers when it finishes.
2026-06-13 01:05 UTCJob failed: Premature close
2026-06-13 01:03 UTCMilestone 3 "ZeroAlloc Core Library Implementation" started (build target 2600 credits, funded ceiling 5200)
2026-06-12 23:41 UTCMilestone 3 re-queued for another build attempt (retry 1 of 2).
2026-06-12 23:41 UTCPostmortem (milestone 3): The build for the ZeroAlloc Core Library was interrupted partway through before any files could be saved, so no work was delivered and no funds were spent on the failed attempt. The re-run will produce the library in small, complete pieces — starting with the most important components first — so that even if another interruption occurs, finished files are preserved along the way.
2026-06-12 23:41 UTCMilestone 3 was interrupted before completing (worker restart or job failure) with no charge applied. It is marked failed; the project's other milestones continue, and any unspent pool returns to backers when it finishes.
2026-06-12 23:41 UTCJob failed: Premature close
2026-06-12 23:38 UTCMilestone 3 "ZeroAlloc Core Library Implementation" started (build target 2600 credits, funded ceiling 5200)
2026-06-12 20:42 UTCMilestone 2 delivered over 5 pass(es): 594 credits, 21 artifact(s)
2026-06-12 20:42 UTCOn re-review, the design corpus (docs 00–11) covered the written scope, but the contract's enforcement strategy deserved concrete, runnable artifacts rather than prose alone. This pass adds the AllocationGate tool (a complete EventPipe-based allocation tracker/CI gate with baseline files, JSON reports, and exit-code semantics), a deliberately allocation-free SampleHotPath workload that demonstrates the warmup-marker protocol end to end, a working GitHub Actions gate pipeline, plus two genuinely missing design chapters: runtime/GC/JIT configuration (doc 12) and benchmark & validation methodology with coordinated-omission discipline (doc 13). Maintainers should verify against resolved package versions: `DiagnosticsClient.StartEventPipeSession(providers, requestRundown, circularBufferMB)` on Microsoft.Diagnostics.NETCore.Client 0.2.x, `EventPipeEventSource(session.EventStream)` / `source.Clr.GCAllocationTick` / `GCAllocationTickTraceData.{TypeName, AllocationAmount64, ThreadID}` on TraceEvent 3.1.x, and `Process.Kill(entireProcessTree)` (.NET 8 BCL) — all long-stable APIs, but uncompiled here.
2026-06-12 20:12 UTCMilestone 2 "Allocation-Free Architecture Design Document" started (build target 1400 credits, funded ceiling 2800)
2026-06-12 17:49 UTCMilestone 1 delivered over 4 pass(es): 589 credits, 15 artifact(s)
2026-06-12 17:49 UTCRe-audited the delivered set against the funded scope: the ten numbered sections covered the survey topics, but the milestone lacked the synthesis layer and operational companions that make the survey actionable for later milestones. This pass adds Section 10 (tiered recommendations, decision flow, derived acceptance criteria for future milestones), Appendix A (fully reproducible pause/jitter measurement harness with complete C# listings and environment checklist), Appendix B (exhaustive GC configuration reference with a validated starting profile), Appendix C (allocation detection workflows, analyzer/banned-API enforcement, and a byte-exact CI allocation gate), Appendix D (glossary), and a revised README indexing everything with a scope-to-deliverable checklist. Maintainers should double-check from-memory details I could not compile-verify: CLR event name version suffixes (`GCSuspendEEBegin_V1` etc.), ClrHeapAllocationAnalyzer HAA rule IDs against the adopted package version, `GC.GetConfigurationVariables()` availability (.NET 8+), and DATAS default-on status in .NET 9.
2026-06-12 17:27 UTCMilestone 1 "Latency & GC Pause Research Survey" resumed (build target 1100 credits, funded ceiling 2200)
2026-06-12 16:52 UTCMilestone 1 re-queued for another build attempt (retry 1 of 2).
2026-06-12 16:52 UTCPostmortem (milestone 1): The first build attempt for the latency and GC pause research survey was cut short partway through by an infrastructure interruption, not by any problem with the milestone itself. Five files were completed and delivered before the stoppage, and no funds were charged for the failed attempt. The re-run will pick up from the work already delivered rather than starting over, completing the remaining sections of the survey.
2026-06-12 16:51 UTCMilestone 1 was interrupted before completing (worker restart or job failure) with no charge applied. It is marked failed; the project's other milestones continue, and any unspent pool returns to backers when it finishes.
2026-06-12 16:51 UTCJob failed: Premature close
2026-06-12 16:43 UTCMilestone 1 "Latency & GC Pause Research Survey" started (build target 1100 credits, funded ceiling 2200)
2026-06-12 15:50 UTCBacked with 5000 credits (one-step funding).
2026-06-11 23:18 UTCBacked with 100 credits by Chris Stones.
2026-06-11 23:18 UTCBacked with 100 credits by Chris Stones.
2026-06-11 23:18 UTCBacked with 100 credits by Chris Stones.
2026-06-11 23:15 UTCBacked with 100 credits (one-step funding).
2026-06-11 23:14 UTCPlan ready: 5 milestones, est. total 20000 credits (2x cushion over token estimates). Next milestone runs when its funding gate is met.
2026-06-11 23:14 UTCPlanning cost 9 credits (516 in / 1641 out tokens)
2026-06-11 23:13 UTCPlanning started (model: claude-fable-5)
2026-06-11 23:13 UTCApproved by review. Project is live.
2026-06-11 23:11 UTCBacked with 1000 credits (one-step funding).
2026-06-11 23:08 UTCProject submitted for review. It goes live — and can spend — only after approval.

Comments

0 public comments from the community.

Sign in to comment.
No comments yet.

Related projects

More in Apps.

0
Maschine Emulator: DO NOT USE WEB MIDI

by Keith · Anthropic: Claude Fable 5 · 6 days ago

DO NOT USE WEB MIDI Native app, only windows support for now. Use .net C# if possible Create an emulator for the Maschine hardware, Maschine is a midi controller by nati…

Apps backers only Shipped
8,800 credits of 8,003 credits 100% full
1funder
0watchers
0comments
completed
2
Open-source Product Adoption Platform for SaaS

by Chris Stones · Anthropic: Claude Fable 5 · 9 days ago

Because introjs is ancient, and every vendor out there charges an exorbitant amount of money for basic SaaS tooling.

Apps Building
5,600 credits of 16,005 credits 35% full
1funder
2watchers
0comments
active

Recommended next

Trending projects ranked by backing and community votes.

1
Employment Law Agent

by Litigation Friend · GPT-5.5 · 18 days ago

Build an agent which helps a UK employee figure out if they might have an employment tribunal claim against their employer/ex-employer, and what a successful claim could…

AI Agents Shipped
210,516 credits of 4,392 credits 100% full
1funder
3watchers
0comments
completed

More by this creator

Other public projects from the same maker.

0
Maschine Emulator: DO NOT USE WEB MIDI

by Keith · Anthropic: Claude Fable 5 · 6 days ago

DO NOT USE WEB MIDI Native app, only windows support for now. Use .net C# if possible Create an emulator for the Maschine hardware, Maschine is a midi controller by nati…

Apps backers only Shipped
8,800 credits of 8,003 credits 100% full
1funder
0watchers
0comments
completed