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terencechain d17996f8b0
Update to V4 🚀 (#12134) 
* Update V3 from V4

* Fix build v3 -> v4

* Update ssz

* Update beacon_chain.pb.go

* Fix formatter import

* Update update-mockgen.sh comment to v4

* Fix conflicts. Pass build and tests

* Fix test
2023-03-17 18:52:56 +00:00
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benchmark_files Move Benchutil to Testing/ Folder (#9583) 2021-09-14 19:18:15 +00:00
BUILD.bazel Update to V4 🚀 (#12134) 2023-03-17 18:52:56 +00:00
pregen_test.go Update to V4 🚀 (#12134) 2023-03-17 18:52:56 +00:00
pregen.go Update to V4 🚀 (#12134) 2023-03-17 18:52:56 +00:00
README.md Move Benchutil to Testing/ Folder (#9583) 2021-09-14 19:18:15 +00:00

README.md

Benchmarks for Prysm State Transition

This package contains the functionality needed for benchmarking Prysm state transitions, this includes its block processing (with and without caching) and epoch processing functions. There is also a benchmark for HashTreeRoot on a large beacon state.

Benchmark Configuration

The following configs are in config.go:

  • ValidatorCount: Sets the amount of active validators to perform the benchmarks with. Default is 16384.
  • AttestationsPerEpoch: Sets the amount of attestations per epoch for the benchmarks to perform with, this affects the amount of attestations in a full block and the amount of attestations per epoch in the state for the ProcessEpoch and HashTreeRoot benchmark. Default is 128.

Generating new SSZ files

Due to the sheer size of the benchmarking configurations (16384 validators), the files used for benchmarking are pregenerated so there's no wasted computations on generating a genesis state with 16384 validators. This should only be needed if there is a breaking spec change and the tests fail from SSZ issues.

To generate new files to use for benchmarking, run the below command in the root of Prysm.

bazel run //tools/benchmark-files-gen -- --output-dir $PRYSMPATH/testing/benchmark/benchmark_files/ --overwrite

Running the benchmarks

To run the ExecuteStateTransition benchmark:

bazel test //beacon-chain/core/state:go_default_test --test_filter=BenchmarkExecuteStateTransition_FullBlock --test_arg=-test.bench=BenchmarkExecuteStateTransition_FullBlock

To run the ExecuteStateTransition (with cache) benchmark:

bazel test //beacon-chain/core/state:go_default_test --test_filter=BenchmarkExecuteStateTransition_WithCache --test_arg=-test.bench=BenchmarkExecuteStateTransition_WithCache

To run the ProcessEpoch benchmark:

bazel test //beacon-chain/core/state:go_default_test --test_filter=BenchmarkProcessEpoch_2FullEpochs --test_arg=-test.bench=BenchmarkProcessEpoch_2FullEpochs

To run the HashTreeRoot benchmark:

bazel test //beacon-chain/core/state:go_default_test --test_filter=BenchmarkHashTreeRoot_FullState --test_arg=-test.bench=BenchmarkHashTreeRoot_FullState

To run the HashTreeRootState benchmark:

bazel test //beacon-chain/core/state:go_default_test --test_filter=BenchmarkHashTreeRootState_FullState --test_arg=-test.bench=BenchmarkHashTreeRootState_FullState

Extra flags needed to benchmark properly:

--nocache_test_results --test_arg=-test.v --test_timeout=2000 --test_arg=-test.cpuprofile=/tmp/cpu.profile --test_arg=-test.memprofile=/tmp/mem.profile --test_output=streamed

Current Results as of January 2020

BenchmarkExecuteStateTransition_FullBlock-4           20	  2031438030 ns/op
BenchmarkExecuteStateTransition_WithCache-4   	      20	  1857290454 ns/op
BenchmarkHashTreeRoot_FullState-4   	              50	   297655834 ns/op
BenchmarkHashTreeRootState_FullState-4                50           155535883 ns/op