[tests] Speed up knapsack_solver_test by not recreating wallet 100 times. #13419

pull lucash-dev wants to merge 1 commits into bitcoin:master from lucash-dev:speedup-knapsack-solver-test changing 1 files +36 −25

lucash-dev commented at 2:59 AM on June 8, 2018: contributor
Optimization of knapsack_solver_testby moving an expensive wallet creation to outside a 100x for loop.

On my (slow) machine:
```
before:        9.8s
after:         6.2s
--------------------
saved:         3.6s (36%)
```
This PR was split from #13050. Also see #10026.
fanquake added the label Tests on Jun 8, 2018
achow101 commented at 4:09 AM on June 8, 2018: member

I don't think this is entirely useful considering that this test will be removed (hopefully soon) altogether by #13307.
laanwj commented at 4:05 PM on June 8, 2018: member

I don't think this is entirely useful considering that this test will be removed (hopefully soon) altogether by #13307.

On the other hand this change is pretty straightforward, and might make sense until #13307 is merged.
DrahtBot commented at 5:19 PM on June 8, 2018: member

No more conflicts as of last run.
practicalswift commented at 8:44 PM on June 10, 2018: contributor

Concept ACK
DrahtBot added the label Needs rebase on Jul 24, 2018

Speed up knapsack_solver_test by not recreating wallet 100 times.

Moved the code for creating the wallet out of the 100-times repetition loop, for the most time-consuming tests.

a679109be4

lucash-dev commented at 1:47 AM on August 11, 2018: contributor

Rebased.
DrahtBot removed the label Needs rebase on Aug 11, 2018
laanwj commented at 7:29 AM on September 11, 2018: member

It's months later and #13307 is still in state of flux. I'm going ahead and merging this.
laanwj merged this on Sep 11, 2018
laanwj closed this on Sep 11, 2018
laanwj referenced this in commit e3fec3cfa8 on Sep 11, 2018
MarcoFalke commented at 5:30 PM on September 12, 2018: member

:tada: Congratz on halving the total memory usage of make check as well:

https://bitcoinperf.com/timeline/?exe=3%2C4%2C2%2C1&base=1%2B23&ben=makecheck.clang.3.mem-usage&env=1&revs=10&equid=on&quarts=on&extr=on
lucash-dev deleted the branch on Sep 15, 2018
jasonbcox referenced this in commit 06c02066ff on Dec 20, 2019
jonspock referenced this in commit 87d07da2e3 on Jan 10, 2020
proteanx referenced this in commit 933957539a on Jan 10, 2020
Munkybooty referenced this in commit 5b5a76e4eb on Jul 7, 2021
Munkybooty referenced this in commit c2d9621ec7 on Jul 8, 2021
Munkybooty referenced this in commit e427d09b5e on Jul 9, 2021
Munkybooty referenced this in commit 3e388c6c91 on Jul 11, 2021
MarcoFalke locked this on Sep 8, 2021

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