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perf: Only do memory allocation when zero coin is found (backport #10339) #10361

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merged 2 commits into from
Oct 14, 2021

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@mergify mergify bot commented Oct 13, 2021

This is an automatic backport of pull request #10339 done by Mergify.
Cherry-pick of f00e7a4 has failed:

On branch mergify/bp/release/v0.44.x/pr-10339
Your branch is up to date with 'origin/release/v0.44.x'.

You are currently cherry-picking commit f00e7a4e1.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   types/coin.go

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   CHANGELOG.md

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## Description

Closes: #10333

Added a loop that checks for zero coins before making any memory allocations. If no zero coins are found, just return the `coins` slice as is. If a zero coin is found, then allocate the new array, stop looking for the first zero, and restart the loop to "remove" the 0's.

---

### Author Checklist

*All items are required. Please add a note to the item if the item is not applicable and
please add links to any relevant follow up issues.*

I have...

- [x] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] added `!` to the type prefix if API or client breaking change (Not Applicable)
- [x] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#pr-targeting))
- [x] provided a link to the relevant issue or specification
- [ ] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/master/docs/building-modules) (Not Applicable)
- [ ] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#testing) (Not Applicable)
- [x] added a changelog entry to `CHANGELOG.md`
- [ ] included comments for [documenting Go code](https://blog.golang.org/godoc) (Not Applicable)
- [ ] updated the relevant documentation or specification (Not Applicable)
- [x] reviewed "Files changed" and left comments if necessary
- [ ] confirmed all CI checks have passed

### Reviewers Checklist

*All items are required. Please add a note if the item is not applicable and please add
your handle next to the items reviewed if you only reviewed selected items.*

I have...

- [ ] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] confirmed `!` in the type prefix if API or client breaking change
- [ ] confirmed all author checklist items have been addressed
- [ ] reviewed state machine logic
- [ ] reviewed API design and naming
- [ ] reviewed documentation is accurate
- [ ] reviewed tests and test coverage
- [ ] manually tested (if applicable)

(cherry picked from commit f00e7a4)

# Conflicts:
#	CHANGELOG.md
@mergify mergify bot requested review from aaronc and alexanderbez as code owners October 13, 2021 22:12
@amaury1093 amaury1093 added this to the v0.44.3 milestone Oct 14, 2021
@amaury1093 amaury1093 merged commit 5b79b76 into release/v0.44.x Oct 14, 2021
@amaury1093 amaury1093 deleted the mergify/bp/release/v0.44.x/pr-10339 branch October 14, 2021 09:43
evan-forbes pushed a commit to evan-forbes/cosmos-sdk that referenced this pull request Nov 1, 2021
…mos#10339) (cosmos#10361)

* perf: Only do memory allocation when zero coin is found (cosmos#10339)

## Description

Closes: cosmos#10333

Added a loop that checks for zero coins before making any memory allocations. If no zero coins are found, just return the `coins` slice as is. If a zero coin is found, then allocate the new array, stop looking for the first zero, and restart the loop to "remove" the 0's.

---

### Author Checklist

*All items are required. Please add a note to the item if the item is not applicable and
please add links to any relevant follow up issues.*

I have...

- [x] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] added `!` to the type prefix if API or client breaking change (Not Applicable)
- [x] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#pr-targeting))
- [x] provided a link to the relevant issue or specification
- [ ] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/master/docs/building-modules) (Not Applicable)
- [ ] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#testing) (Not Applicable)
- [x] added a changelog entry to `CHANGELOG.md`
- [ ] included comments for [documenting Go code](https://blog.golang.org/godoc) (Not Applicable)
- [ ] updated the relevant documentation or specification (Not Applicable)
- [x] reviewed "Files changed" and left comments if necessary
- [ ] confirmed all CI checks have passed

### Reviewers Checklist

*All items are required. Please add a note if the item is not applicable and please add
your handle next to the items reviewed if you only reviewed selected items.*

I have...

- [ ] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] confirmed `!` in the type prefix if API or client breaking change
- [ ] confirmed all author checklist items have been addressed
- [ ] reviewed state machine logic
- [ ] reviewed API design and naming
- [ ] reviewed documentation is accurate
- [ ] reviewed tests and test coverage
- [ ] manually tested (if applicable)

(cherry picked from commit f00e7a4)

# Conflicts:
#	CHANGELOG.md

* fix conflict

Co-authored-by: Jake Waggoner <[email protected]>
Co-authored-by: marbar3778 <[email protected]>
JeancarloBarrios pushed a commit to agoric-labs/cosmos-sdk that referenced this pull request Sep 28, 2024
…mos#10339) (cosmos#10361)

* perf: Only do memory allocation when zero coin is found (cosmos#10339)

## Description

Closes: cosmos#10333

Added a loop that checks for zero coins before making any memory allocations. If no zero coins are found, just return the `coins` slice as is. If a zero coin is found, then allocate the new array, stop looking for the first zero, and restart the loop to "remove" the 0's.

---

### Author Checklist

*All items are required. Please add a note to the item if the item is not applicable and
please add links to any relevant follow up issues.*

I have...

- [x] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] added `!` to the type prefix if API or client breaking change (Not Applicable)
- [x] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#pr-targeting))
- [x] provided a link to the relevant issue or specification
- [ ] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/master/docs/building-modules) (Not Applicable)
- [ ] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#testing) (Not Applicable)
- [x] added a changelog entry to `CHANGELOG.md`
- [ ] included comments for [documenting Go code](https://blog.golang.org/godoc) (Not Applicable)
- [ ] updated the relevant documentation or specification (Not Applicable)
- [x] reviewed "Files changed" and left comments if necessary
- [ ] confirmed all CI checks have passed

### Reviewers Checklist

*All items are required. Please add a note if the item is not applicable and please add
your handle next to the items reviewed if you only reviewed selected items.*

I have...

- [ ] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] confirmed `!` in the type prefix if API or client breaking change
- [ ] confirmed all author checklist items have been addressed
- [ ] reviewed state machine logic
- [ ] reviewed API design and naming
- [ ] reviewed documentation is accurate
- [ ] reviewed tests and test coverage
- [ ] manually tested (if applicable)

(cherry picked from commit f00e7a4)

# Conflicts:
#	CHANGELOG.md

* fix conflict

Co-authored-by: Jake Waggoner <[email protected]>
Co-authored-by: marbar3778 <[email protected]>
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3 participants