公开记录中等
软件健康报告模式 0.27.0 · 指标 1.13.0 · 2026-07-24 17:23 UTC
QuEST-Kit / QuEST
A multithreaded, distributed, GPU-accelerated simulator of quantum computers
QuEST-Kit/QuEST 的健康指数为 100 分中的 61 分，处于「中等」区间。 其得分最高的类别是Engineering Quality（77/100），最低的是Security（43/100）。 最近一次更新在 8 天前。 近期的大部分工作由 1 位贡献者完成。
61
总分 / 100软件健康指数
指标归入加权类别，统一采用 1–100 量表。总体分先取类别加权平均；当公开证据触发高风险司法辖区政策时，评级会按政策调整，并设置 49（有风险）的上限。AI 就绪度不计入总体分。
61
优秀85-100堪称典范；基本满足所有检验标准
良好70-84健康；仅有轻微不足
中等50-69可接受，但存在明显不足；建议进行审查
存在风险30-49存在重大薄弱环节；采用时应保持审慎
危急1-29问题严重（项目被弃置、仅有单一维护者、缺乏基本工程规范）
评分画像
每条轴代表一个类别。形状比平均值更重要——健康的对象会填满整个图形，而“一峰一谷”式画像意味着某一维度的优势正掩盖另一维度的风险。
所有权
按类别列示的指标
活力
项目是否仍有生命——是否仍在编写代码，是否仍在发布版本？
58
开发活跃度
56中等
评分方式
| 28.8/36 | 推送新近度 — 最近一次推送于 8 天前 |
| 6.2/36 | 提交节奏 — 52 周中有 9 周有提交 |
| 11.3/18 | 提交量 — 最近一年 17 次提交 |
| 10/10 | OpenSSF Scorecard：Maintained — 0 commit(s) and 26 issue activity found in the last 90 days -- score normalized to 10 |
所用输入
| commits_last_year | 17 |
| human_commit_share | 1 |
| days_since_last_push | 8 |
| active_weeks_last_year | 9 |
发布纪律
62中等
评分方式
| 27/27 | 有发布版本 — 已发布 25 个发布版本 |
| 16.2/36 | 发布时效 — 最近一次发布版本于 283 天前 |
| 12.6/27 | 发布节奏 — 约每 176.7 天发布一次 |
| 0/10 | OpenSSF Scorecard：Signed-Releases — 无数据 |
所用输入
| releases_count | 25 |
| latest_release_tag | v4.2.0 |
| releases_from_tags | 否 |
| days_since_latest_release | 283 |
| mean_days_between_releases | 176.7 |
已排除计分（无数据或不适用）：OpenSSF Scorecard：Signed-Releases。 其余权重已重新归一化。
社区与采用
项目是否拥有用户、下载量与关注度，并具备欢迎贡献者参与的配置？
70
流行度与采用
70良好
评分方式
| 43.5/60 | 星标 — 483 个星标 |
| 19.1/25 | 复刻 — 195 个复刻 |
| 7/15 | 关注者 — 19 位关注者 |
所用输入
| forks | 195 |
| stars | 483 |
| watchers | 19 |
| growth_state | unverified |
| growth_factor_pct | 100 |
| growth_unverified_reason | no_history |
社区健康
70良好
评分方式
| 22.5/22.5 | README |
| 22.5/22.5 | 许可证 — 可识别的许可证（MIT） |
| 18/18 | CONTRIBUTING 指南 |
| 0/13.5 | 行为准则 |
| 0/7.2 | 议题模板 |
| 0/6.3 | PR 模板 |
所用输入
| has_readme | 是 |
| has_license | 是 |
| has_contributing | 是 |
| has_issue_template | 否 |
| has_code_of_conduct | 否 |
| has_pull_request_template | 否 |
可持续性与治理
项目能否在其成员之外延续——巴士系数、响应能力、由谁支持，以及软件包的维护状况？
54
维护者韧性（巴士系数）
39存在风险
评分方式
| 9/54 | 巴士系数 — 1 位贡献者贡献了半数提交 |
| 6.5/22.5 | 提交分布 — 头号贡献者编写了 71% 的提交 |
| 13.5/13.5 | 贡献者广度 — 18 位贡献者 |
| 10/10 | OpenSSF Scorecard：Contributors — project has 11 contributing companies or organizations |
所用输入
| bus_factor | 1 |
| contributors_sampled | 18 |
| top_contributor_share | 0.712 |
议题与 PR 响应能力
73良好
评分方式
| 40.4/46.8 | 议题解决 — 86% 的议题已关闭 |
| 32.9/38.3 | PR 接受 — 已裁定的 PR 中 410/476 已合并 |
| 0/15 | OpenSSF Scorecard：Code-Review — Found 2/23 approved changesets -- score normalized to 0 |
所用输入
| merged_prs | 410 |
| open_issues | 42 |
| closed_issues | 268 |
| issue_closed_ratio | 0.865 |
| closed_unmerged_prs | 66 |
所有权与托管责任
54中等
评分方式
| 30/30 | 所有权背书 — 组织持有 |
| 0/20 | 已验证域名 |
| 8.7/25 | 所有者影响力 — QuEST-Kit 有 15 位关注者 |
| 15.5/25 | 既往记录 — 2 个公开仓库，账户约 7 年 |
所用输入
| followers | 15 |
| owner_type | Organization |
| is_verified | — |
| owner_login | QuEST-Kit |
| public_repos | 2 |
| account_age_days | 2,777 |
工程质量
基础的工程与文档实践是否到位？
77
工程实践
68中等
评分方式
| 24/24 | CI 工作流 — 5 个工作流 |
| 24/24 | 存在测试 |
| 0/16 | Linter 配置 |
| 0/9.6 | Pre-commit 钩子 |
| 0/6.4 | .editorconfig |
| 20/20 | OpenSSF Scorecard：CI-Tests — 23 out of 23 merged PRs checked by a CI test -- score normalized to 10 |
所用输入
| has_ci | 是 |
| has_tests | 是 |
| has_editorconfig | 否 |
| has_linter_config | 否 |
| has_precommit_config | 否 |
文档
90优秀
评分方式
| 30/30 | README |
| 25/25 | 文档目录 |
| 15/15 | 文档 / 主页站点 — https://quest.qtechtheory.org/ |
| 10/10 | 仓库描述 |
| 0/10 | 主题标签 |
| 10/10 | Wiki |
所用输入
| topics | — |
| has_wiki | 是 |
| homepage | https://quest.qtechtheory.org/ |
| has_readme | 是 |
| has_docs_dir | 是 |
| has_description | 是 |
安全
可见的安全与供应链实践是否稳固，且不存在未解决的高风险司法辖区暴露？
43
安全态势
43存在风险
评分方式
| 7.5/7.5 | Binary-Artifacts — no binaries found in the repo |
| 0/7.5 | Branch-Protection — branch protection not enabled on development/release branches |
| 2.5/2.5 | CI-Tests — 23 out of 23 merged PRs checked by a CI test -- score normalized to 10 |
| 0/2.5 | CII-Best-Practices — no effort to earn an OpenSSF best practices badge detected |
| 0/7.5 | Code-Review — Found 2/23 approved changesets -- score normalized to 0 |
| 2.5/2.5 | Contributors — project has 11 contributing companies or organizations |
| 10/10 | Dangerous-Workflow — no dangerous workflow patterns detected |
| 0/7.5 | Dependency-Update-Tool — no update tool detected |
| 0/5 | Fuzzing — project is not fuzzed |
| 2.5/2.5 | 许可证 — license file detected |
| 7.5/7.5 | Maintained — 0 commit(s) and 26 issue activity found in the last 90 days -- score normalized to 10 |
| 0/5 | Packaging — 无数据 |
| 0/5 | Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 0 |
| 0/5 | SAST — SAST tool is not run on all commits -- score normalized to 0 |
| 0/5 | Security-Policy — security policy file not detected |
| 0/7.5 | Signed-Releases — 无数据 |
| 0/7.5 | Token-Permissions — detected GitHub workflow tokens with excessive permissions |
| 7.5/7.5 | Vulnerabilities — 0 existing vulnerabilities detected |
所用输入
| source | openssf_scorecard |
| checks_evaluated | 16 |
| scorecard_version | v5.5.0 |
| checks_inconclusive | 2 |
| scorecard_aggregate | 4.3 |
已排除计分（无数据或不适用）：packaging, signed_releases。 其余权重已重新归一化。
AI 就绪度
该仓库在多大程度上具备与 AI 编码代理协同开发与维护的条件？这是一枚独立的实验性徽章——权重为 0.0，因此单独呈现，不影响总体健康评分。
46
AI 代理上下文与指引
40存在风险
评分方式
| 0/45 | 代理指令 — 没有 CLAUDE.md / AGENTS.md / 编辑器规则 |
| 0/15 | 机器可读文档（llms.txt） |
| 40/40 | 可读的提交历史 — 100 次人类提交中有 75 次说明了意图（结构化标题或解释性正文） |
所用输入
| has_llms_txt | 否 |
| legible_history_share | 0.75 |
| agent_instruction_files | — |
| agent_instruction_max_bytes | — |
验证循环（构建 / 测试 / 类型检查）
33存在风险
评分方式
| 0/18 | 一条命令的引导启动 |
| 22/22 | 自动化测试 |
| 0/11 | Lint / 格式化配置 |
| 11/11 | 静态类型检查 — C++（静态类型） |
| 0/10 | 可复现环境 |
| 0/10 | 已体现的代理实践 — 最近 100 次提交中没有代理编写的提交 |
| 0/8 | 自动化维护 — 未观察到自动依赖更新 |
| 0/10 | OpenSSF Scorecard：Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 0 |
所用输入
| has_nix | 否 |
| has_tests | 是 |
| lockfiles | — |
| has_dockerfile | 否 |
| typed_language | 是 |
| bootstrap_files | — |
| has_devcontainer | 否 |
| has_linter_config | 否 |
| typecheck_configs | — |
| agent_commit_share | 0 |
| toolchain_manifests | — |
| dependency_bot_commit_share | 0 |
面向模型的代码可读性
96优秀
评分方式
| 45/45 | 可类型检查的代码 — C++（静态类型） |
| 50.9/55 | 可控的文件大小 — 采样的 149 个源文件中有 11 个超过 60KB |
所用输入
| primary_language | C++ |
| largest_source_bytes | 216,479 |
| source_files_sampled | 149 |
| oversized_source_files | 11 |
机器可读接口
40存在风险
评分方式
| 0/40 | API 模式（OpenAPI/GraphQL/proto） |
| 0/20 | MCP 服务器 |
| 40/40 | 可运行示例 — examples |
所用输入
| example_dirs | examples |
| has_mcp_signal | 否 |
| api_schema_files | — |
关键数据
483GitHub 星标
18贡献者
17最近 12 个月提交数
8距最近推送天数
25发布版本数
1巴士系数（bus factor）
42开放议题
—软件包生态系统数
数据采集警告
- Star history unavailable: GitHub GraphQL error: Resource not accessible by personal access token
更多细节
Star 与 Fork 历史 0 ★ / 195 ⇿
0Star
195Fork
19发布
每颗 star 和每个 fork 的添加时间，来自 GitHub 并按天汇总。累计增长位于其构成来源——每日新增——的正上方，二者可相互对照：稳定的自然增长与短暂的突增形态截然不同。当这一差别可被衡量时，它会作为增长真实性予以报告。
主版本 3次版本 11修订 5
每个点涵盖 8 天。
OpenSSF Scorecard 4.3 / 10
4.3综合
来自开源项目 OpenSSF Scorecard 的独立、工具无关的安全评估。每项检查奖励的是安全实践本身，而非特定供应商的工具。Scorecard 无法判定的检查项标记为 不适用，并从安全评分中剔除（绝不按零分计）。
| 10 | Binary-Artifacts | no binaries found in the repo |
| 0 | Branch-Protection | branch protection not enabled on development/release branches |
| 10 | CI-Tests | 23 out of 23 merged PRs checked by a CI test -- score normalized to 10 |
| 0 | CII-Best-Practices | no effort to earn an OpenSSF best practices badge detected |
| 0 | Code-Review | Found 2/23 approved changesets -- score normalized to 0 |
| 10 | Contributors | project has 11 contributing companies or organizations |
| 10 | Dangerous-Workflow | no dangerous workflow patterns detected |
| 0 | Dependency-Update-Tool | no update tool detected |
| 0 | Fuzzing | project is not fuzzed |
| 10 | License | license file detected |
| 10 | Maintained | 0 commit(s) and 26 issue activity found in the last 90 days -- score normalized to 10 |
| 不适用 | Packaging | packaging workflow not detected |
| 0 | Pinned-Dependencies | dependency not pinned by hash detected -- score normalized to 0 |
| 0 | SAST | SAST tool is not run on all commits -- score normalized to 0 |
| 0 | Security-Policy | security policy file not detected |
| 不适用 | Signed-Releases | no releases found |
| 0 | Token-Permissions | detected GitHub workflow tokens with excessive permissions |
| 10 | Vulnerabilities | 0 existing vulnerabilities detected |
全部依赖 0
来自 GitHub 依赖图的完整解析依赖集合：0 个直接依赖与 0 个间接（传递）软件包。仓库提交锁文件时，传递闭包才是完整的。
| 注册表 | 软件包 | 版本 | 关系 |
|---|
依赖安全公告 未评估
本报告未能完成公告比对：No resolved dependencies to assess
原始 JSON 报告 机器可读
{
"data": {
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"topics": [],
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"size_kb": 18911,
"has_wiki": true,
"homepage": "https://quest.qtechtheory.org/",
"languages": {
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"C++": 2413228,
"CSS": 74385,
"TeX": 1261,
"Cuda": 96016,
"HTML": 3292,
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"pushed_at": "2026-07-16T02:33:18Z",
"created_at": "2017-03-28T12:00:18Z",
"owner_type": "Organization",
"updated_at": "2026-07-11T15:44:34Z",
"description": "A multithreaded, distributed, GPU-accelerated simulator of quantum computers",
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"account_age_days": 2777
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"license": {
"state": "standard",
"spdx_id": "MIT",
"raw_spdx": "MIT",
"file_present": true,
"scorecard_found": true,
"profile_has_license": true
},
"activity": {
"releases": [
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"tag": "v4.2.0",
"kind": "minor",
"published_at": "2025-10-14T01:39:44Z"
},
{
"tag": "v4.1.0",
"kind": "minor",
"published_at": "2025-05-28T02:19:46Z"
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"published_at": "2025-04-06T23:25:17Z"
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"tag": "v3.5.0",
"kind": "minor",
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"tag": "v3.4.1",
"kind": "patch",
"published_at": "2021-10-13T12:16:59Z"
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"published_at": "2021-10-10T07:23:00Z"
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"tag": "v3.3.0",
"kind": "minor",
"published_at": "2021-08-22T13:14:09Z"
},
{
"tag": "v3.2.1",
"kind": "patch",
"published_at": "2021-06-06T17:30:11Z"
},
{
"tag": "v3.2.0",
"kind": "minor",
"published_at": "2020-07-21T20:46:28Z"
},
{
"tag": "v3.1.1",
"kind": "patch",
"published_at": "2020-03-21T14:43:07Z"
},
{
"tag": "v3.1.0",
"kind": "minor",
"published_at": "2020-02-29T00:12:48Z"
},
{
"tag": "v3.0.1",
"kind": "patch",
"published_at": "2020-01-17T16:51:31Z"
},
{
"tag": "3.0.0",
"kind": "major",
"published_at": "2020-01-10T08:19:09Z"
},
{
"tag": "2.1.0",
"kind": "minor",
"published_at": "2019-05-15T16:42:11Z"
},
{
"tag": "v2.0.1",
"kind": "patch",
"published_at": "2019-05-14T15:10:02Z"
},
{
"tag": "v2.0.0",
"kind": "major",
"published_at": "2018-12-12T17:37:48Z"
},
{
"tag": "v1.1.0",
"kind": "minor",
"published_at": "2018-07-14T17:09:51Z"
},
{
"tag": "v1.0.0",
"kind": "major",
"published_at": "2018-05-10T08:53:17Z"
},
{
"tag": "v0.12.0",
"kind": "minor",
"published_at": "2018-05-02T13:32:05Z"
},
{
"tag": "v0.11.1",
"kind": "patch",
"published_at": "2018-03-20T15:48:36Z"
},
{
"tag": "v0.11.0",
"kind": "minor",
"published_at": "2018-02-21T20:22:53Z"
},
{
"tag": "v0.10.0",
"kind": "minor",
"published_at": "2018-02-20T16:38:18Z"
},
{
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"kind": "minor",
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}
],
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"body": "so I can subsequently refactor it (stop propagating options to preprocessors) without pulling out all my hair. Whitespace is free! :^)",
"is_bot": false,
"headline": "tidied CMakeLists.txt",
"author_name": "Tyson Jones",
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"body": "which had only the below 4 changes visible to users:\n- changed the significant figures from 3 to 4 of reported memory (e.g. `3.23e1 KiB` becomes `32.30 KiB`)\n- fixed a README doc link\n- renamed to clarify the `setQuregToClone` parameters\n- suppressed illegitimate unused-variable compiler warnings\n\nand otherwise merely tidied internal code. See #672 for all changes.",
"is_bot": false,
"headline": "minor code cleanup (#672)",
"author_name": "Tyson Jones",
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"body": null,
"is_bot": false,
"headline": "added news doc",
"author_name": "Tyson Jones",
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"committed_at": "2025-09-04T19:38:26Z",
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"oid": "851691dd518aaa8089cc01eff382360209269b3c",
"body": "as per #638. The previous use of the Pauli-specific multi-qubit backend logic was suboptimal for single-target since it involved superfluous per-amplitude evaluation of bitstring parity. This introduced a performance regression in single-core QuEST v4 since v3 which used single-target matrix logic.\n\n[…]\ning a single-target through functions which can accept many, such as applyPauliStr() and applyPauliGadget(). Note too that further changes are expected necessary to recover single-core v3 performance.",
"is_bot": false,
"headline": "optimised one-qubit Paulis to use applyCompMatr1 (#682)",
"author_name": "Tyson Jones",
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"oid": "ab8b5603abeea8da52949edeb43005fc37d66d9a",
"body": "since superseded by setQuregToWeightedSum().\n\nAdditionally defined internal convenience functions...\n- localiser_statevec_scaleAmps\n- localiser_statevec_setQuregToClone\nwhich merely call localiser_statevec_setQuregToWeightedSum, for code clarity",
"is_bot": false,
"headline": "removed setQuregToSuperposition()",
"author_name": "Tyson Jones",
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"body": null,
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"headline": "added setQuregToWeightedSum (and ToMixture)",
"author_name": "Tyson Jones",
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"committed_at": "2025-08-22T17:02:56Z",
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"oid": "211d4e8a0030501bf71bc6258b22eb256ba47f23",
"body": "in order to make the applyTrotterized prefix consistent, as considered in #669.\n\nSpecifically, renamed:\n- applyNonUnitaryTrotterizedPauliStrSumGadget -> applyTrotterizedNonUnitaryPauliStrSumGadget\n- applyControlledTrotterizedPauliStrSumGadget -> applyTrotterizedControlledPauliStrSumGadget\n- applyMul\n[…]\ntrolledTrotterizedPauliStrSumGadget -> applyTrotterizedMultiControlledPauliStrSumGadget\n- applyMultiStateControlledTrotterizedPauliStrSumGadget -> applyTrotterizedMultiStateControlledPauliStrSumGadget",
"is_bot": false,
"headline": "renamed Trotter functions",
"author_name": "Tyson Jones",
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"oid": "0ecad9ca9f8d18728907b176c84a1cb513e2a4d7",
"body": "since paulis.cpp is an \"API\" file while the pauli logic previously therein was used by numerous core files.\n\nA final inelegance remains; some unit test utilities leverage the internal pauli logic functions using extern, which will break when we eventually switch to private namespacing. Alas!",
"is_bot": false,
"headline": "separated pauli logic from paulis.cpp",
"author_name": "Tyson Jones",
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"committed_at": "2025-08-20T19:13:00Z",
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"oid": "6eec1cf662ba0d6f35acf059f7fc947ac7d1fa26",
"body": "Specifically:\n- applyTrotterizedUnitaryTimeEvolution()\n- applyTrotterizedImaginaryTimeEvolution()\n- applyTrotterizedNoisyTimeEvolution()\nwhere the latter has significant novelty.\n\nPR also\n- (patch) made imaginary-time evolution assert Hermiticity (315ea41)\n- (patch) patched non-unitary Trotter on de\n[…]\namples to use these new time-evol functions\n- tidied some Pauli algebra (replacing paulis_hasOddNumY calls with direct paulis_getSignOfPauliStrConj)\n- made createPauliStrSum validate it can fit in RAM",
"is_bot": false,
"headline": "added Trotterised time evolution (#674)",
"author_name": "Tyson Jones",
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"oid": "2db00e55a376972d4d92a066dc9d7deaddb27af8",
"body": "…ly (#668)\n\nas discussed in issue #663",
"is_bot": false,
"headline": "renamed multiply and postmultiply functions to leftapply and rightapp…",
"author_name": "Tyson Jones",
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{
"oid": "53c68280df3ce7bfb14a6e0fd047d2a3dab71c1b",
"body": "specifically:\n- multiplyQubitProjector\n- postMultiplyQubitProjector\n- multiplyMultiQubitProjector\n- postMultiplyMultiQubitProjector\n\nAlso updated multiplication doc warnings",
"is_bot": false,
"headline": "added multiply projector functions",
"author_name": "Tyson Jones",
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"oid": "e0a0e96bb183d6d6fc9d4221cb06f93caf0b4d65",
"body": "Previously, the order >= 4 scenario of Trotterisation did not correctly invoke recursion, but instead called first order Trotterisation five times without symmetrisation. This meant passing order=4 erroneously excluded symmetrisation (halving the Trotter depth), and passing order>=6 merely performed\n[…]\nproximation of the intended unitary, albeit of lower order and ergo accuracy than expected. This was not caught by the unit tests since they do not exist, as warned in the function documentation. Eep!",
"is_bot": false,
"headline": "patched Trotterisation of order >= 4",
"author_name": "Tyson Jones",
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"committed_at": "2025-07-21T20:21:33Z",
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"oid": "2110b745bddaafa4554996b537ad7b0ec2fcc9c7",
"body": "which has the below benefits:\n- the remaining functions in operations.cpp are precise and do not need to be user-configured for accuracy (i.e. no Trotter hyperparameters)\n- the remaining functions in operations.cpp merely call the backend and do not include any bespoke logic (i.e. Trotter circuit sc\n[…]\nrations\n- the Trotter logic is isolated in preparation for it becoming more substantial with the introduction of randomisation, commuting groups, and that necessary for Linblad master equation solving",
"is_bot": false,
"headline": "separated API trotterisation from operations",
"author_name": "Tyson Jones",
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"oid": "c49f8d2ee92fd4055106daab2e36001d7ff3d498",
"body": "in order to shrink the bloated set of operations, making those remaining \"standard\" and trace-preserving (with the exception of the applyQubitProjector and applyMultiQubitProjector). The new multiplications module is catered to \"raw\" linear algebra upon density matrices",
"is_bot": false,
"headline": "separated API multiplications from operations",
"author_name": "Tyson Jones",
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"oid": "37e222ea2f3526d29cb14b01c319f4fabb62ec7e",
"body": "Danny Hindson discovered a bug wherein the failing cudaMalloc() call deliberately induced by the 'out-of-memory' unit test of createFullStateDiagMatr() breaks subsequent GPU simulation. This is because a failing cudaMalloc corrupts the CUDA API state until being explicitly cleared using the undocumented facility of cudaGetLastError (which clears \"non-sticky' errors). We correct this, and defensively check for irrecoverable sticky errors.",
"is_bot": false,
"headline": "patched broken CUDA state after malloc failure",
"author_name": "Tyson Jones",
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"committed_at": "2025-07-13T16:21:20Z",
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"oid": "378ad71021c2911db38c46eb5e5de09cfdfee155",
"body": "Luc:\nv3.7 was sensible on NUMA machines “by default” through first-touch initialization. This had been lost in v4 as idnetified by James Richings. Here’s some basic numa-aware allocation, and a little love for general parallel/openmp usage.\n\n- If we’re on *nix _and_ we find libnuma, we enable NUMA-a\n[…]\nction once (rather than once per thread).\n\nLuc coded the logic and Tyson added doc and error-handling. PR #658 replaced the original of #652\n\n---------\n\nCo-authored-by: Luc Jaulmes <ljaulmes@ed.ac.uk>",
"is_bot": false,
"headline": "restored NUMA-awareness (#658)",
"author_name": "Tyson Jones",
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"oid": "738ca891eee654d93b586afd10ffff3381009a07",
"body": "For every existing multiply*() function, such as multiplyCompMatr(), this commit adds a corresponding postMultiply*() function which operates upon a density matrix from the right-hand side. This is useful for preparing density matrices in non-physical states which appear as sub-expressions within th\n[…]\n- extending and refactoring the unit tests with postMultiply references\n\nWe additionally added the below expected but missing functions from the API:\n- multiplyPauliX\n- multiplyPauliY\n- multiplyPauliZ",
"is_bot": false,
"headline": "added postMultiply functions (#657)",
"author_name": "Tyson Jones",
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"oid": "aa11c23f39210445390d9d5c460c250a6ec57931",
"body": "The API functions createFullStateDiagMatr() and createCustomFullStateDiagMatr() worked correctly though their \"insufficient distributed memory\" validation error messages were erroneously excluded from the expected message lists in their respective unit tests.",
"is_bot": false,
"headline": "patched distributed validation test",
"author_name": "Tyson Jones",
"author_login": "TysonRayJones",
"committed_at": "2025-06-26T17:51:49Z",
"body_truncated": false,
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{
"oid": "cd01c6f79de405d34c227db8b584b9c8add5f176",
"body": "which enables post-compilation pre-runtime configuring of the unit tests without hooking into QuEST's internal environment variable facilities. The macros...\n- TEST_MAX_NUM_QUBIT_PERMUTATIONS\n- TEST_MAX_NUM_SUPEROP_TARGETS\n- TEST_ALL_DEPLOYMENTS\n- TEST_NUM_MIXED_DEPLOYMENT_REPETITIONS\nare now enviro\n[…]\nles, along with new variable TEST_NUM_QUBITS_IN_QUREG which controls the size of the Quregs in the unit tests.\n\nWith this commit, all preprocessors considered in #645 have become environment variables",
"is_bot": false,
"headline": "added test environment variables (#655)",
"author_name": "Tyson Jones",
"author_login": "TysonRayJones",
"committed_at": "2025-06-26T17:47:34Z",
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"oid": "eeedec7002b1a09f3412ee910cff3c54e22e4ae6",
"body": "which enable configuring QuEST's execution after compilation, before QuEST environment initialisation, solving some of the issues lamented in #645 and generally being more sensible/convenient. It also patched an esoteric bug in the parsing of floating-point numbers, affecting functions like initInli\n[…]\nspaces into cmake error message about MacOS multithreading to make the advised commands clearer.\n\nA subsequent commit will refactor some unit-testing macros to non-QuEST-managed environment variables.",
"is_bot": false,
"headline": "added environment variables (#653)",
"author_name": "Tyson Jones",
"author_login": "TysonRayJones",
"committed_at": "2025-06-25T21:09:16Z",
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"oid": "f28691cede4c66bcf106271be530667c448e31fa",
"body": "- Promoted variables set in compile_option CMake function to parent scope, which ensures correct values are generated in the header file.\n- Separated compilation configuration defines into config.h\n- Added guards to check at least one of the required compiler macros is undefined as proposed by @TysonRayJones\n- Removed guards from modes.h which prevented COMPILE macros from being defined, as proposed by @TysonRayJones",
"is_bot": false,
"headline": "Patched quest.h generation (#645)",
"author_name": "Oliver Thomson Brown",
"author_login": "otbrown",
"committed_at": "2025-06-21T12:05:55Z",
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"oid": "c357267563e8fa9701908f6ff8057c1f7277df63",
"body": "so that the COMPILE_CUQUANTUM preprocessor need only ever be consulted by the source during compilation, as proposed by Oliver in #645",
"is_bot": false,
"headline": "bound isCuQuantumEnabled to QuESTEnv",
"author_name": "Tyson Jones",
"author_login": "TysonRayJones",
"committed_at": "2025-06-14T08:04:04Z",
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{
"oid": "d4706b92a4f66cc541e6ba1a9f9bde0c4d85a075",
"body": "New API functions:\n- applyControlledTrotterizedPauliStrSumGadget()\n- applyMultiControlledTrotterizedPauliStrSumGadget()\n- applyMultiStateControlledTrotterizedPauliStrSumGadget()\n- C++-only std::vector overloads of the latter two.\n\nAdditionally:\n- renamed the internal constituent functions, like appl\n[…]\nwhich is bound to the PauliStrSum instance. We have deferred any such optimisation and the associated struct changes since it necessitates an update to the PauliStrSum design (like new sync functions)",
"is_bot": false,
"headline": "added controlled Trotter",
"author_name": "Tyson Jones",
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"committed_at": "2025-06-13T18:42:14Z",
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{
"oid": "f3baf3455956c03f98f351e69bcdb5d47b45562b",
"body": "- applyTrotterizedPauliStrSumGadget() was documented to effect exp(i t H) but actually effected exp(-i t H), eep! Thankfully the doc warned the function was untested. It now correctly effects exp(i t H).\n- defensively removed hardcoding of the scalar responsible for the above bug, which undoes the c\n[…]\nunctions\n- fixed defunct doxygen command (@cppoverload)\n\nNote that both these Trotter functions remain without unit tests since impending new functions are anticipated which will generalise the tests.",
"is_bot": false,
"headline": "patched Trotter sign and added non-unitary Trotter (#647)",
"author_name": "Tyson Jones",
"author_login": "TysonRayJones",
"committed_at": "2025-06-12T21:34:34Z",
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{
"oid": "5fa4f609847a80e1303e5a12c2024a8259db8515",
"body": "as part of unitaryHACK 2025, challenge issue #594\n\n---------\n\nCo-authored-by: Tyson Jones <tyson.jones.input@gmail.com>",
"is_bot": false,
"headline": "added non-unitary Pauli gadgets (#637)",
"author_name": "diogomaia00",
"author_login": "diogomaia00",
"committed_at": "2025-06-04T14:29:19Z",
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"oid": "cd5120c9c717420bbd363586fc37568a209d3d59",
"body": "Mai (Roll249) implemented the probe, and Tyson updated the tests and authorlist\n\n---------\n\nCo-authored-by: Tyson Jones <tyson.jones.input@gmail.com>",
"is_bot": false,
"headline": "implemented cross-platform RAM probe (#636)",
"author_name": "Roll249",
"author_login": "Roll249",
"committed_at": "2025-06-03T22:04:36Z",
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"oid": "4d44ec81debdae20cb6ae988e400bf606180a65e",
"body": "Updates version references and fixes doxygen parsing of CMake configured header broken in #616",
"is_bot": false,
"headline": "post v4.1",
"author_name": "Tyson Jones",
"author_login": "TysonRayJones",
"committed_at": "2025-05-28T02:18:39Z",
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"oid": "8678836cd29ac59688556399860aab712db1fe14",
"body": "and fixing doxygen parsing of CMake configured header broken in #616",
"is_bot": false,
"headline": "updating version number (#628)",
"author_name": "Tyson Jones",
"author_login": "TysonRayJones",
"committed_at": "2025-05-28T02:16:32Z",
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"oid": "2d1a6fbc147b38a2fa32e10ac007120578b605ff",
"body": null,
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"headline": "v4.1 (#622)",
"author_name": "Tyson Jones",
"author_login": "TysonRayJones",
"committed_at": "2025-05-28T01:06:21Z",
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{
"oid": "e9fa519617edd498a9f7e8901ce7273f44ceebe1",
"body": "Now, all standalone C and C++ files in the 'isolated' and 'automated' subdirectories of 'examples' will be executed by the compiler Github Action. The former is to just catch/log interface issues not reflected by the unit tests, while the latter empowers external contributors to include casual test \n[…]\noss-precision. This is a much easier alternative to users attempting to include unit tests in their PRs, and has been setup in preparation for unitaryHACK 2025.\n\n Also documented each examples subdir",
"is_bot": false,
"headline": "extended CI example testing",
"author_name": "Tyson Jones",
"author_login": "TysonRayJones",
"committed_at": "2025-05-27T21:43:31Z",
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{
"oid": "835208e38735ef35341191eceeb4bc14cf81684e",
"body": "When the passed PauliStr is identity and no control qubits are imposed, the function merely effects a change in global phase. For density matrices, this induces no change at all; the two constituent operations upon the Choi vector cancel one-another, wasting time and numerical accuracy. So, we abort\n[…]\n insignificant runtime and accuracy optimisation, and this scenario is superfluously handled mostly to document the validity of the scenario (i.e. the use of gadgets to effect arbitrary phase changes)",
"is_bot": false,
"headline": "optimised applyPauliGadget edgecase",
"author_name": "Tyson Jones",
"author_login": "TysonRayJones",
"committed_at": "2025-05-27T20:52:18Z",
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{
"oid": "8db1c06b70b9a8642d8fc14bc09544d3500616d1",
"body": "This required editing the source to exclude designated initialisers which are not supported in C++17 except through compiler extensions. Such extensions are enabled by default in Clang and GCC but require explicit enabling in e.g. MSVC. We've here made the decision to widen default-compiler support by making struct initialisation a little uglier.",
"is_bot": false,
"headline": "separated source (C++17) and testing (C++20) standards",
"author_name": "Tyson Jones",
"author_login": "TysonRayJones",
"committed_at": "2025-05-25T19:53:41Z",
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"oid": "49e5ff32568885b0c1da74ef649a56adfd13ea8c",
"body": "Since `bitValue` is an `int`, the expression `bitValue << bitIndex` can overflow when `bitIndex` equals/exceeds 32. This is solved by casting `bitValue` into a `qindex` before shifting.\n\n(Tyson updated authorlists)",
"is_bot": false,
"headline": "patched overflow in setBit (#623)",
"author_name": "JPRichings",
"author_login": "JPRichings",
"committed_at": "2025-05-23T22:22:06Z",
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{
"oid": "c47422633b62a5e46f0b916afffb24283e1267e7",
"body": "including\n- removing references to defunct `invalidQuESTInputError`\n- essential doc needed to disambiguate function conventions (like relationship between function parameters and effected operation phases)\n- renamed Doxygen keyword `@equivalent` to `@equivalences`\n- ... `@notvalidated` to `@notyetva\n[…]\nanged some `@cpponly` functions into new `@cppvectoroverload`, and then hid the latter\n- added links from doc to the example PR\n- linked `C++`-overload doc to corresponding `C` function (using `@see`)",
"is_bot": false,
"headline": "updated doc (#621)",
"author_name": "Tyson Jones",
"author_login": "TysonRayJones",
"committed_at": "2025-05-22T18:13:02Z",
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"body": null,
"is_bot": false,
"headline": "added Luc Jualmes to authorlist",
"author_name": "Tyson Jones",
"author_login": "TysonRayJones",
"committed_at": "2025-05-08T19:25:01Z",
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{
"oid": "9be1dfd4b7359c45fd7732d41ee611622cc695a1",
"body": "This resolves the issues highlighted in #611 while maintaining QuEST's header include structure in the source",
"is_bot": false,
"headline": "patched CMake install (#616)",
"author_name": "Luc Jaulmes",
"author_login": "lucjaulmes",
"committed_at": "2025-05-08T19:13:54Z",
"body_truncated": false,
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},
{
"oid": "ce95cf2e9c7759c11c47333677b309fbb88aa0d1",
"body": "so that external contributors (and importantly right now, example PRs) can contribute new, self-contained unit test code without needing to incorporate new headers",
"is_bot": false,
"headline": "standardising unit-test includes",
"author_name": "Tyson Jones",
"author_login": "TysonRayJones",
"committed_at": "2025-05-06T17:18:34Z",
"body_truncated": false,
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{
"oid": "1c051cf38b227896d1c6316fbd5a3d9ce96e097b",
"body": "Erich (build):\n- adjusted install interface paths to use CMAKE_INSTALL_INCLUDEDIR\n- added platform-agnostic RPATH handling via helper function setup_quest_rpath\n- set RPATH origin for dynamic linking\n- passed QuEST version info to CMake\n\nTyson (CI):\n- run compiled examples to test for link-time errors\n- temporarily disabled LCOV reporting to PRs\n\n---------\n\nCo-authored-by: Tyson Jones <tyson.jones.input@gmail.com>",
"is_bot": false,
"headline": "improved build and CI (#601)",
"author_name": "Erich Essmann",
"author_login": "eessmann",
"committed_at": "2025-05-01T11:28:32Z",
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"body": "so that C++ users can pass vectors directly to functions, even inline, rather than having to store qubit lists as local variables and pass pointers. This is not only concise, but prevents them from causing insidious seg-faults/dangling errors by attempting to pass inline vector pointers.\n\nAlas this adds quite a lot of new boilerplate; 2000 lines of it! :'( \n\nSee PR #584 for a breakdown into smaller commits.",
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"body": "and API docs, and some patches!\n\nSpecifically: \n- added docs/v4.md\n- added docs/compile.md (WIP)\n- added docs/run.md (WIP)\n- added examples/README.md tutorial (WIP)\n- expanded docs/compilers.md\n- added test-var list to docs/cmake.md\n- added API doc latex definitins\n- added API doc sub-groups\n- added\n[…]\nseShift\n- added some TODO comments to source\n- patched:\n - syncQuESTEnv (which wasn't syncing GPU)\n - FullStateDiagMatr multithreaded setters (missing OpenMP if clause)\n\nSee commit breakdown in #583",
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"headline": "patched matrix-sync validation test",
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"body": "The benefits include:\n- better portability between compilers; no macro guards!\n- better symmetry with existing debug API (mostly setters)\n- enables runtime re-routing of errors (so it can be unit tested!)\n- resolves problem when multiple translation units both define the previous weak-symbol function (like when deprecated tests are compiled alongside v4 tests)\n- more standard!",
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"headline": "replaced invalidQuESTInputError with setInputErrorHandler",
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"oid": "2dccccc7ac8b0f45e039afe6a4b29ff937d13535",
"body": "which used an incorrect method to obtain MPI_TAG_UB. We additionally added a fallback to use the standard-gauranteed minimum when there is trouble obtaining MPI_TAG_UB.\n\nShout out to the Julia G's for helping discover the bug!\n\n---------\n\nCo-authored-by: Oliver Thomson Brown <8394906+otbrown@users.noreply.github.com>",
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"body": "since they arguably constitute the majority of functions interfaced by users, so are worth checking before v4 release! The in-development more-doc branch has removed the corresponding `@nottested` tags from the checked functions.\n\nAdditionally:\n- added C++-macro guard (to defend from `__cplusplus=0`\n[…]\nnsured pre-processor checks are performed first when `quest.h` is included\n- removed some defunct validation-related comments\n- added post-sample validation to test utility RNG - I'm suspicious of it!",
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"body": "by adding missing test RNG seeding, and using only local C++ RNGs (foregoing use of the C-lib rand) \n\n---------\n\nCo-authored-by: Oliver Thomson Brown <8394906+otbrown@users.noreply.github.com>",
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"headline": "patched HIP + MPICH unit tests",
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"headline": "scaffolded v4 doc",
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"body": "and added a warning about a potential issue with v3.X MPICH compilers. Also added code warnings that MSVC does not support the `#warning` pragma (ridiculous!)",
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"body": "to improve the user printing experience. Updated the examples to use these, and additionally made further patches to CI address sanitizer tests.",
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"headline": "added reportScalar, reportStr and setNumReportedNewlines",
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"oid": "0195c6ac627e6de1af4767413b532124a0237710",
"body": "By giving each send-recv pair a unique tag, we no longer require message orderedness and can ergo support adaptive routing (AR)\n\n---------\n\nCo-authored-by: Oliver Thomson Brown <8394906+otbrown@users.noreply.github.com>",
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"headline": "added MPI tags to support AR",
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"headline": "tidied heap flags",
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"headline": "clear matrix-flags when validation changes",
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"body": "This colossal commit makes the follow...\n\nchanges:\n- made tests use both absolute and relative epsilon comparisons\n- added macro TEST_MAX_NUM_SUPEROP_TARGETS to speedup tests\n- added macro PERMIT_NODES_TO_SHARE_GPU to cmake\n- added macro TEST_NUM_MIXED_DEPLOYMENT_REPETITIONS to speedup tests\n- renam\n[…]\n and FullStateDiagMatr setters)\n- all operations (_sans_ Trotterisation and input validation)\n- all paulis (_sans_ reporters)\n- all qureg (_sans_ reporters and GPU syncs)\n- all types (_sans_ reporter)",
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"headline": "added most v4 tests and patches (#570)",
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"body": "v4 unit tests are now run with multithreaded (64 threads), multithreaded + distributed (4 threads on each of 16 nodes) and GPU-accelerated (with and without cuQuantum) deployments on paid Github runners.\n\nall changes:\n- disabled compiling tests by default, to significantly reduce first-compile time \n[…]\ns of HIP v6 UUID utility)\n- made workflows compile in parallel for small speedup\n- tidied unit-test qubit-list generation\n- changed min-example to use a random state (more interesting than plus state)",
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"headline": "added accelerated CI tests",
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"oid": "842c375511889f7ebd7fc4acf01a70c53dacac09",
"body": "and:\n- updated README doc links\n- moved aux to utils (former is illegal on Windows)\n- added docgroup brief descriptions\n- moved TODOs to doxygen @todo (although not currently collected)\n- added missing channels.cpp and debug.cpp unit-test files\n- added high-res quest logo (for safe-keeping, not used)",
"is_bot": false,
"headline": "setup v4 doc CI",
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"oid": "988aa821a1f5230da9e86f709e2df6a113260e83",
"body": "specifically:\n- updated landing README for v4 (although links must still be changed from relative to absolute for doxygen compatibility0\n- updated AUTHORS.txt for v4\n- updated author tags in file doc\n- added `compilers.md`\n- added `styleguide.md` (WIP)\n- added `version4.md` placeholder (WIP)\n- removed defunct v3 tutorial\n- removed defunct v3 makefile\n- removed defunct reportQuregToFile function stub\n- removed defunct error_functionNotImplemented function",
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"headline": "updated READMEs and author lists",
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"body": "source changes:\n- patched GPU CompMatr upon large Quregs (larger than unit tests, eep!) whereby kernel cache indexing was wrong\n- patched multi-GPU cuquantum (erroneously called when custom-kernels were necessary)\n- added validation that MPI processes use unique GPUs in multi-GPU mode\n- added compil\n[…]\nll test suite\n\nbuild changes:\n- made cmake CXX compiler as default nvcc host compiler\n- suppressed unknown-pragma warnings when not-multithreading on gcc\n\nother:\n- added author docstrings to workflows",
"is_bot": false,
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"oid": "69c78f5c180e3007f33b543c7a0e77718eee277b",
"body": "- ROCm documentation suggests using `hip::host` as the link target. I checked the CMake files and it is just an interface target to `hip::amdhip64`, so it should (and does as far as I can tell) generate the same build files, but ought to be more robust across platforms as it's what AMD expects.\n- re\n[…]\nrget language is HIP, so it ends up double defined in the compile line currently. That doesn't break anything, but it's just cruft.\n- unsuccessfully experimented with restoring HIP + MPI CI (see #554)",
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"headline": "tweaked HIP build",
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"oid": "87ce001eb61b83b705ff787c6fbfeaa6d781d14b",
"body": "and set up associated CI compilation tests. These are incomplete; outstanding tasks include:\n- compile on Windows (ROCm installation hangs, times out after 6h)\n- compile with HIP + MPI (throws a thrust compilation `vtables` error, not seen when testing outside VM)\n\nCo-authoring with Oliver to acknowledge his cmake edits, and his organising access to test platforms!\n\n---------\n\nCo-authored-by: Oliver Thomson Brown <8394906+otbrown@users.noreply.github.com>",
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"headline": "patched HIP GPU build",
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"oid": "c1aa777327330f51d224299f51a35a2ba8b16741",
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"body": "I guess Bill won.\n\nAlso added missing validation-aborts to avoid numerically-sensitive validation when user has called setValidationEpsilon(0), which is unrelated to MSVC, but I am too lazy to separate the commit",
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"headline": "patched MSVC multithreading",
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"oid": "34916278e2ad5cc8d2a334128f5c6218ca3c456c",
"body": "in addition to:\n- patching MSVC distributed compilation\n- removed MSVC-incompatible data-structure initialisers on Windows\n- made examples MSVC-compatible\n- removed previous defunct CI workflows",
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"headline": "added half of v4 tests",
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"oid": "6e616ae55b1be3feba723e4e80182f85edda1989",
"body": "in addition to some other CPU and GPU facilities; see the full list in #541",
"is_bot": false,
"headline": "patched (mostly) v4 cuQuantum (#541)",
"author_name": "Tyson Jones",
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"oid": "d970024af11591a44b30b570d0e50d5220469c15",
"body": "- corrected reporting of dependencies\n- added cmake config generation (improving QuEST's incorporation as a package)\n- restructured install directory\n- privatised link libraries to prevent spurious onward dependencies\n- removed (default) package export\n- added MPI as an explicit dependency of the deprecated tests\n- corrected BUILD/INSTALL interface in target_include_directories\n\n---------\n\nCo-authored-by: Oliver Thomson Brown <otbrown@users.noreply.github.com>",
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"headline": "patched CMake build (#537)",
"author_name": "Erich Essmann",
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"oid": "b7dddae7e440a2ac2b63860fce6c117af4e8bd67",
"body": "- bumped internal standard to C++20\n- disabled OpenMP on Windows (since MSVC does not support custom OpenMP reductions)\n- corrected struct initialisation (formerly using C syntax)\n- added `_USE_MATH_DEFINES` to ensure `M_PI` defined in relevant files\n- added cross-platform workaround for `getBitMaskParity()`\n- patched memory leak in `getTypeName()`\n- extended `getTypeName()` to Windows\n- patched `invalidQuESTInputError()` lacking C-linkage",
"is_bot": false,
"headline": "patched MSVC build (#539)",
"author_name": "Erich Essmann",
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"oid": "796568ba0a79af8275193f9e85a039bc9ef7b5e4",
"body": "replacing the 2D CPU memory of CompMatr and SuperOp, which each retain a 2D alias to the new 1D memory for user convenience.\n\nExisting code which accesses .cpuElems of both these structs remains valid, although some usages may be accelerated by switching to accesing .cpuElemsFlat (like some unit-testing code).\n\nPrompted by discussion #540\n\nCo-authored-by: Erich Essmann <11630432+eessmann@users.noreply.github.com>",
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"headline": "added row-major CPU matrices",
"author_name": "Tyson Jones",
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"oid": "25256814bfe143866541d1afd971b55032b68919",
"body": "such that the deprecated unit tests pass on Ubuntu in GPU-accelerated deployment, distributed over up to 8 nodes, when not using cuQuantum. Alas we cannot presently test cuQuantum for want of a compatible GPU!\n\nSee PR #534 for the list of patches",
"is_bot": false,
"headline": "patched v4 GPU (without cuQuantum)",
"author_name": "Tyson Jones",
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"headline": "corrected typo in FindCUQUANTUM.cmake",
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"body": "additionally\n- migrated v3 unit tests (now deprecated) to Catch v3\n- removed defunct examples",
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"headline": "added v4 CMake build (#430)",
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