refactor!: instantiate client.TxConfig once for simulations #15875
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There were many instances of client.TxConfig created during operation creation for simulations, but since that value is stateless and expensive to create, we can make it once at the beginning of the simulation and pass it where needed. Prior to this optimization, by patching sim_test.go to use a fixed seed and to print out some GC details, and running this command in order to match the make target: go test -mod=readonly -run TestAppStateDeterminism -Enabled=true -NumBlocks=100 -BlockSize=200 -Commit=true -Period=0 -timeout 24h -count=1 On my workstation (a 10-core M1 Max): there were 661,278,897,592 allocated bytes; GC ran 3,045 times constituting 3.9% of used CPU time; and the test completed in 10m2s. After applying these optimizations and that same patch, and running the same command: there were 123,353,530,520 allocated bytes (about 18.6% of the previous run); GC ran 492 times (about 16.2% of the previous run) constituting about 1.8% of used CPU time; and the test completed in 3m45s (about 37.3% of the previous run).
github-actions
bot
added
C:Simulations
C:x/authz
C:x/bank
C:x/distribution
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Oops, there are some tests to fix here. |
I didn't place them correctly after expanding a function signature across multiple lines.
julienrbrt
reviewed
Apr 18, 2023
x/slashing/module.go
Outdated
| @@ -197,8 +197,12 @@ func (am AppModule) RegisterStoreDecoder(sdr simtypes.StoreDecoderRegistry) { | |||
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| // WeightedOperations returns the all the slashing module operations with their respective weights. | |||
| func (am AppModule) WeightedOperations(simState module.SimulationState) []simtypes.WeightedOperation { | |||
| // TODO(mr): this should be injected to NewAppModule, | |||
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Is this todo getting done in this PR btw? Or is it tracked somewhere else?
This is intended to eliminate another call to create a new interface registry, when we can use the root instance of it instead.
Missing parameter added in previous commit.
julienrbrt
reviewed
Apr 19, 2023
| @@ -106,7 +108,15 @@ type AppModule struct { | |||
| } | |||
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| // NewAppModule creates a new AppModule object | |||
| func NewAppModule(cdc codec.Codec, keeper keeper.Keeper, ak types.AccountKeeper, bk types.BankKeeper, sk types.StakingKeeper, ss exported.Subspace) AppModule { | |||
| func NewAppModule( | |||
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This warrants an API breaking changelog.
julienrbrt
changed the title
mark-rushakoff
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that referenced
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Apr 19, 2023
It used to be set to 5 tries, but that was taking over an hour. After some improvements (particularly #15875 and #15862), it's running much faster due to reduced allocations. Since the nondeterminism tests are no longer the bottleneck, increase the tries per seed by 1 so that it is still no longer the bottleneck, but so that we also get more confidence that results are deterministic.
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cool-develope
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Apr 26, 2023
larry0x
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May 22, 2023
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Description
There were many instances of client.TxConfig created during operation creation for simulations, but since that value is stateless and expensive to create, we can make it once at the beginning of the simulation and pass it where needed.
Prior to this optimization, by patching sim_test.go to use a fixed seed and to print out some GC details, and running this command in order to match the make target:
On my workstation (a 10-core M1 Max): there were 661,278,897,592 allocated bytes; GC ran 3,045 times constituting 3.9% of used CPU time; and the test completed in 10m2s.
After applying these optimizations and that same patch, and running the same command: there were 123,353,530,520 allocated bytes (about 18.6% of the previous run); GC ran 492 times (about 16.2% of the previous run) constituting about 1.8% of used CPU time; and the test completed in 3m45s (about 37.3% of the previous run).
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