use prehash to avoid rehashing the key in the task cache #8174
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arlyon
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May 22, 2024
### Description In this PR #8174 the library prehash is licensed using MPL2.0 (great) but without the copyleft exception. I believe that we are OK. From what I understand this prevents us from making and redistributing changes to this library under one of the MPL secondary licenses ("Secondary License" means either the GNU General Public License, Version 2.0, the GNU Lesser General Public License, Version 2.1, the GNU Affero General Public License, Version 3.0, or any later versions of those licenses). It does not exclude us from using that library in a 'larger work' that is licensed using a different (compatible) license so for the purpose of distributing a binary it is the same as MPL-2.0 ### Testing Instructions N/A
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See my comment here: #8194 (review) I don't think this library is providing much value, and we could easily implement this ourselves, which might avoid the mess with the extra MPL license variant. |
arlyon
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Jun 3, 2024
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After a fair bit of license palava, replacing with https://app.graphite.dev/github/pr/vercel/turbo/8262/add-crate-to-calculate-prehashes
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# Turbopack * vercel/turborepo#8272 <!-- Donny/강동윤 - feat: Update `swc_core` to `v0.92.8` --> * vercel/turborepo#8262 <!-- Alexander Lyon - add crate to calculate prehashes --> * vercel/turborepo#8174 <!-- Tobias Koppers - use prehash to avoid rehashing the key in the task cache --> * vercel/turborepo#7674 <!-- Alexander Lyon - [turbo trace] add ability to filter by value and occurences --> * vercel/turborepo#8287 <!-- Donny/강동윤 - feat: Update `swc_core` to `v0.92.10` --> * vercel/turborepo#8037 <!-- Alexander Lyon - create turbo-static for compile time graph analysis --> * vercel/turborepo#8293 <!-- Will Binns-Smith - Sync Cargo.lock with Next.js --> * vercel/turborepo#8239 <!-- Benjamin Woodruff - Reduce amount of code generated by ValueDebugFormat --> * vercel/turborepo#8304 <!-- Benjamin Woodruff - Minor optimizations to the codegen of TaskFnInputFunction --> * vercel/turborepo#8221 <!-- Donny/강동윤 - perf: Introduce `RcStr` --> ### What? I tried using `Arc<String>` in vercel/turborepo#7772, but a team member suggested creating a new type so we can replace underlying implementation easily in the future. ### Why? To reduce memory usage. ### How? Closes PACK-2776
ForsakenHarmony
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Jul 25, 2024
…orepo#8174) ### Description This avoids hashing the task type multiple times, e. g. for inserting after lookup or on rehashing of the hash map ### Testing Instructions <!-- Give a quick description of steps to test your changes. -->
ForsakenHarmony
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Jul 29, 2024
…orepo#8174) ### Description This avoids hashing the task type multiple times, e. g. for inserting after lookup or on rehashing of the hash map ### Testing Instructions <!-- Give a quick description of steps to test your changes. -->
ForsakenHarmony
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Jul 29, 2024
…orepo#8174) ### Description This avoids hashing the task type multiple times, e. g. for inserting after lookup or on rehashing of the hash map ### Testing Instructions <!-- Give a quick description of steps to test your changes. -->
ForsakenHarmony
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Aug 1, 2024
…orepo#8174) ### Description This avoids hashing the task type multiple times, e. g. for inserting after lookup or on rehashing of the hash map ### Testing Instructions <!-- Give a quick description of steps to test your changes. -->
ForsakenHarmony
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Aug 14, 2024
# Turbopack * vercel/turborepo#8272 <!-- Donny/강동윤 - feat: Update `swc_core` to `v0.92.8` --> * vercel/turborepo#8262 <!-- Alexander Lyon - add crate to calculate prehashes --> * vercel/turborepo#8174 <!-- Tobias Koppers - use prehash to avoid rehashing the key in the task cache --> * vercel/turborepo#7674 <!-- Alexander Lyon - [turbo trace] add ability to filter by value and occurences --> * vercel/turborepo#8287 <!-- Donny/강동윤 - feat: Update `swc_core` to `v0.92.10` --> * vercel/turborepo#8037 <!-- Alexander Lyon - create turbo-static for compile time graph analysis --> * vercel/turborepo#8293 <!-- Will Binns-Smith - Sync Cargo.lock with Next.js --> * vercel/turborepo#8239 <!-- Benjamin Woodruff - Reduce amount of code generated by ValueDebugFormat --> * vercel/turborepo#8304 <!-- Benjamin Woodruff - Minor optimizations to the codegen of TaskFnInputFunction --> * vercel/turborepo#8221 <!-- Donny/강동윤 - perf: Introduce `RcStr` --> ### What? I tried using `Arc<String>` in vercel/turborepo#7772, but a team member suggested creating a new type so we can replace underlying implementation easily in the future. ### Why? To reduce memory usage. ### How? Closes PACK-2776
ForsakenHarmony
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Aug 15, 2024
* vercel/turborepo#8272 <!-- Donny/강동윤 - feat: Update `swc_core` to `v0.92.8` --> * vercel/turborepo#8262 <!-- Alexander Lyon - add crate to calculate prehashes --> * vercel/turborepo#8174 <!-- Tobias Koppers - use prehash to avoid rehashing the key in the task cache --> * vercel/turborepo#7674 <!-- Alexander Lyon - [turbo trace] add ability to filter by value and occurences --> * vercel/turborepo#8287 <!-- Donny/강동윤 - feat: Update `swc_core` to `v0.92.10` --> * vercel/turborepo#8037 <!-- Alexander Lyon - create turbo-static for compile time graph analysis --> * vercel/turborepo#8293 <!-- Will Binns-Smith - Sync Cargo.lock with Next.js --> * vercel/turborepo#8239 <!-- Benjamin Woodruff - Reduce amount of code generated by ValueDebugFormat --> * vercel/turborepo#8304 <!-- Benjamin Woodruff - Minor optimizations to the codegen of TaskFnInputFunction --> * vercel/turborepo#8221 <!-- Donny/강동윤 - perf: Introduce `RcStr` --> I tried using `Arc<String>` in vercel/turborepo#7772, but a team member suggested creating a new type so we can replace underlying implementation easily in the future. To reduce memory usage. Closes PACK-2776
ForsakenHarmony
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Aug 16, 2024
* vercel/turborepo#8272 <!-- Donny/강동윤 - feat: Update `swc_core` to `v0.92.8` --> * vercel/turborepo#8262 <!-- Alexander Lyon - add crate to calculate prehashes --> * vercel/turborepo#8174 <!-- Tobias Koppers - use prehash to avoid rehashing the key in the task cache --> * vercel/turborepo#7674 <!-- Alexander Lyon - [turbo trace] add ability to filter by value and occurences --> * vercel/turborepo#8287 <!-- Donny/강동윤 - feat: Update `swc_core` to `v0.92.10` --> * vercel/turborepo#8037 <!-- Alexander Lyon - create turbo-static for compile time graph analysis --> * vercel/turborepo#8293 <!-- Will Binns-Smith - Sync Cargo.lock with Next.js --> * vercel/turborepo#8239 <!-- Benjamin Woodruff - Reduce amount of code generated by ValueDebugFormat --> * vercel/turborepo#8304 <!-- Benjamin Woodruff - Minor optimizations to the codegen of TaskFnInputFunction --> * vercel/turborepo#8221 <!-- Donny/강동윤 - perf: Introduce `RcStr` --> I tried using `Arc<String>` in vercel/turborepo#7772, but a team member suggested creating a new type so we can replace underlying implementation easily in the future. To reduce memory usage. Closes PACK-2776
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Description
This avoids hashing the task type multiple times, e. g. for inserting after lookup or on rehashing of the hash map
Testing Instructions