refactor(experimental): use DrainOuterGeneric helper on codec type mappings #2322

lorisleiva · 2024-03-15T12:34:42Z

This PR aims to solve #2295 by wrapping codec type mappings with the suggested DrainOuterGeneric.

The TypeScript diagnostics on a complex codec — using both data enums and structs — changes as follows. As you can see we get a significant reduction of instantiations.

Files:                         204 -> 205
Lines of Library:            38131 -> 38131
Lines of Definitions:        52284 -> 52300
Lines of TypeScript:            81 -> 81
Lines of JavaScript:             0 -> 0
Lines of JSON:                   0 -> 0
Lines of Other:                  0 -> 0
Identifiers:                 92492 -> 92518
Symbols:                    111465 -> 111877
Types:                       55305 -> 55390
Instantiations:             603991 -> 362113    // -40%
Memory used:               187111K -> 189767K
Assignability cache size:    21397 -> 21404
Identity cache size:           350 -> 350
Subtype cache size:            161 -> 161
Strict subtype cache size:     358 -> 354
I/O Read time:               0.01s -> 0.01s
Parse time:                  0.18s -> 0.18s
ResolveModule time:          0.02s -> 0.02s
ResolveTypeReference time:   0.00s -> 0.00s
ResolveLibrary time:         0.01s -> 0.01s
Program time:                0.23s -> 0.24s
Bind time:                   0.07s -> 0.07s
Check time:                  0.78s -> 0.72s
transformTime time:          0.00s -> 0.00s
commentTime time:            0.00s -> 0.00s
I/O Write time:              0.00s -> 0.00s
printTime time:              0.01s -> 0.01s
Emit time:                   0.01s -> 0.01s
Total time:                  1.09s -> 1.04s

changeset-bot · 2024-03-15T12:34:46Z

🦋 Changeset detected

Latest commit: d309da8

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 35 packages

Name	Type
@solana/codecs-data-structures	Patch
@solana/codecs	Patch
@solana/transactions	Patch
@solana/web3.js-experimental	Patch
@solana/sysvars	Patch
@solana/compat	Patch
@solana/web3.js-legacy-sham	Patch
@solana/programs	Patch
@solana/rpc-api	Patch
@solana/rpc-graphql	Patch
@solana/rpc-subscriptions-api	Patch
@solana/signers	Patch
@solana/transaction-confirmation	Patch
@solana/rpc	Patch
@solana/rpc-subscriptions	Patch
@solana/accounts	Patch
@solana/addresses	Patch
@solana/assertions	Patch
@solana/codecs-core	Patch
@solana/codecs-numbers	Patch
@solana/codecs-strings	Patch
@solana/errors	Patch
@solana/functional	Patch
@solana/instructions	Patch
@solana/keys	Patch
@solana/options	Patch
@solana/rpc-parsed-types	Patch
@solana/rpc-spec-types	Patch
@solana/rpc-spec	Patch
@solana/rpc-subscriptions-spec	Patch
@solana/rpc-subscriptions-transport-websocket	Patch
@solana/rpc-transformers	Patch
@solana/rpc-transport-http	Patch
@solana/rpc-types	Patch
@solana/webcrypto-ed25519-polyfill	Patch

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lorisleiva · 2024-03-15T12:34:55Z

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lorisleiva · 2024-03-15T12:46:47Z

@lithdew Would you have any recommendation on how I could reproduce your performance issues? I copy/pasted the code you shared in the original issue for the benchmark above but it didn't make any difference.

lithdew · 2024-03-15T13:00:41Z

Would you be able to try a trace with this?

import {
  getDataEnumCodec,
  getStructCodec,
  getStringCodec,
  getU64Codec,
  getU16Codec,
  getNullableCodec,
  getArrayCodec,
  getUnitCodec,
  getBase58Codec,
  getBooleanCodec,
  getScalarEnumCodec,
  getU8Codec,
  type Codec,
} from "@solana/web3.js";

export enum Currency {
  sol = "sol",
  like = "like",
  usdc = "usdc",
}

export const CURRENCY_CODEC = getScalarEnumCodec(Currency);

export const PUBLIC_KEY = getStringCodec({
  size: 32,
  encoding: getBase58Codec(),
});

export const CREATOR = getStructCodec([
  ["address", PUBLIC_KEY],
  ["verified", getBooleanCodec()],
  ["share", getU8Codec()],
]);

export const SPLIT = getStructCodec([
  ["address", PUBLIC_KEY],
  ["share", getU8Codec()],
]);

export const PASS_INSTRUCTION_DATA = getDataEnumCodec([
  [
    "create_pass",
    getStructCodec([
      ["name", getStringCodec()],
      ["symbol", getStringCodec()],
      ["uri", getStringCodec()],
      ["price", getU64Codec()],
      ["token", CURRENCY_CODEC],
      ["supply", getU64Codec()],
      ["sellerFeeBasisPoints", getU16Codec()],
      ["creators", getNullableCodec(getArrayCodec(CREATOR))],
      ["firstSaleSplit", getArrayCodec(SPLIT)],
    ]),
  ],
  [
    "update_pass",
    getStructCodec([
      ["name", getNullableCodec(getStringCodec())],
      ["symbol", getNullableCodec(getStringCodec())],
      ["uri", getNullableCodec(getStringCodec())],
      ["price", getNullableCodec(getU64Codec())],
      ["token", getNullableCodec(CURRENCY_CODEC)],
      ["supply", getNullableCodec(getU64Codec())],
      ["sellerFeeBasisPoints", getNullableCodec(getU16Codec())],
      ["creators", getNullableCodec(getNullableCodec(getArrayCodec(CREATOR)))],
      ["firstSaleSplit", getNullableCodec(getArrayCodec(SPLIT))],
    ]),
  ],
  ["mint_pass", getUnitCodec()],
]);

export type CodecInput<T> = T extends Codec<infer TFrom, any> ? TFrom : never;

export type CodecOutput<T> = T extends Codec<any, infer TTo> ? TTo : never;

export type PassInstructionDataInput = CodecInput<typeof PASS_INSTRUCTION_DATA>;
export type PassInstructionDataOutput = CodecOutput<
  typeof PASS_INSTRUCTION_DATA
>;

lorisleiva · 2024-03-15T14:19:24Z

@lithdew Almost identical traces on my side. I don't know if the results are biased by my machine's specs though. I also tried running this snippet on a code-sandbox and the TypeScript autocompletion was almost instant.

Are you able to compare the two branches on your side and tell me if you see a difference?

lithdew · 2024-03-15T15:55:21Z

Would you have the code sandbox available? I can try paste in parts of my project into it. Having a hard time linking to @solana/web3.js@master.

lorisleiva · 2024-03-15T17:41:27Z

Sure it's here but the codesandbox only checks the current version. You'd need to check the branch locally to test the changes of this PR.

lithdew · 2024-03-17T11:48:55Z

Before:

Files:                         387
Lines of Library:            40626
Lines of Definitions:        92803
Lines of TypeScript:            81
Lines of JavaScript:             0
Lines of JSON:                   0
Lines of Other:                  0
Identifiers:                153002
Symbols:                    163279
Types:                       82738
Instantiations:             642518
Memory used:               288025K
Assignability cache size:    42094
Identity cache size:           382
Subtype cache size:            161
Strict subtype cache size:     358
I/O Read time:               0.02s
Parse time:                  0.32s
ResolveModule time:          0.04s
ResolveTypeReference time:   0.01s
ResolveLibrary time:         0.01s
Program time:                0.45s
Bind time:                   0.20s
Check time:                  1.88s
transformTime time:          0.01s
commentTime time:            0.00s
I/O Write time:              0.00s
printTime time:              0.01s
Emit time:                   0.01s
Total time:                  2.54s

After:

Files:                         388
Lines of Library:            40626
Lines of Definitions:        92819
Lines of TypeScript:            81
Lines of JavaScript:             0
Lines of JSON:                   0
Lines of Other:                  0
Identifiers:                153028
Symbols:                    163768
Types:                       82823
Instantiations:             400640
Memory used:               286162K
Assignability cache size:    42101
Identity cache size:           382
Subtype cache size:            161
Strict subtype cache size:     354
I/O Read time:               0.02s
Parse time:                  0.32s
ResolveModule time:          0.05s
ResolveTypeReference time:   0.01s
ResolveLibrary time:         0.01s
Program time:                0.44s
Bind time:                   0.18s
Check time:                  1.44s
transformTime time:          0.00s
commentTime time:            0.00s
I/O Write time:              0.00s
printTime time:              0.01s
Emit time:                   0.01s
Total time:                  2.08s

There is a noticeable improvement of 642518 -> 400640 instantiations processed. Wonder if there are other places this trick could be used too.

lorisleiva · 2024-03-17T20:33:13Z

Oh nice thanks! Would you mind sharing your process so I can check on my side and learn from you?

lithdew · 2024-03-18T00:01:18Z

Oh nice thanks! Would you mind sharing your process so I can check on my side and learn from you?

Sure - I cloned the @solana/web3.js repository, pnpm i && pnpm run compile, and created a packages/test folder with the following files:

src/index.ts:

import {
    type Codec,
    getArrayCodec,
    getBase58Codec,
    getBooleanCodec,
    getDataEnumCodec,
    getNullableCodec,
    getScalarEnumCodec,
    getStringCodec,
    getStructCodec,
    getU8Codec,
    getU16Codec,
    getU64Codec,
    getUnitCodec,
} from '@solana/codecs';

export enum Currency {
    sol = 'sol',
    like = 'like',
    usdc = 'usdc',
}

export const CURRENCY_CODEC = getScalarEnumCodec(Currency);

export const PUBLIC_KEY = getStringCodec({
    encoding: getBase58Codec(),
    size: 32,
});

export const CREATOR = getStructCodec([
    ['address', PUBLIC_KEY],
    ['verified', getBooleanCodec()],
    ['share', getU8Codec()],
]);

export const SPLIT = getStructCodec([
    ['address', PUBLIC_KEY],
    ['share', getU8Codec()],
]);

export const PASS_INSTRUCTION_DATA = getDataEnumCodec([
    [
        'create_pass',
        getStructCodec([
            ['name', getStringCodec()],
            ['symbol', getStringCodec()],
            ['uri', getStringCodec()],
            ['price', getU64Codec()],
            ['token', CURRENCY_CODEC],
            ['supply', getU64Codec()],
            ['sellerFeeBasisPoints', getU16Codec()],
            ['creators', getNullableCodec(getArrayCodec(CREATOR))],
            ['firstSaleSplit', getArrayCodec(SPLIT)],
        ]),
    ],
    [
        'update_pass',
        getStructCodec([
            ['name', getNullableCodec(getStringCodec())],
            ['symbol', getNullableCodec(getStringCodec())],
            ['uri', getNullableCodec(getStringCodec())],
            ['price', getNullableCodec(getU64Codec())],
            ['token', getNullableCodec(CURRENCY_CODEC)],
            ['supply', getNullableCodec(getU64Codec())],
            ['sellerFeeBasisPoints', getNullableCodec(getU16Codec())],
            ['creators', getNullableCodec(getNullableCodec(getArrayCodec(CREATOR)))],
            ['firstSaleSplit', getNullableCodec(getArrayCodec(SPLIT))],
        ]),
    ],
    ['mint_pass', getUnitCodec()],
]);

// eslint-disable-next-line @typescript-eslint/no-explicit-any
export type CodecInput<T> = T extends Codec<infer TFrom, any> ? TFrom : never;

// eslint-disable-next-line @typescript-eslint/no-explicit-any
export type CodecOutput<T> = T extends Codec<any, infer TTo> ? TTo : never;

export type PassInstructionDataInput = CodecInput<typeof PASS_INSTRUCTION_DATA>;
export type PassInstructionDataOutput = CodecOutput<typeof PASS_INSTRUCTION_DATA>;

package.json:

{
  "name": "test",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "keywords": [],
  "author": "",
  "license": "ISC",
  "dependencies": {
    "@solana/codecs": "workspace:2.0.0-preview.1"
  }
}

tsconfig.json

{
  "$schema": "https://json.schemastore.org/tsconfig",
  "display": "@solana/codecs",
  "extends": "@solana/tsconfig/base.json",
  "include": [
      "src"
  ]
}

I then ran pnpm tsc src/index.ts --extendedDiagnostics.

I switched branches to this PR, deleted all node_modules, and then repeated the same commands.

lorisleiva · 2024-03-19T14:25:12Z

Thank you for the detailed guide! I was able to reproduce the changes. Whilst on my machine I barely see a performance improvement measured in seconds, I can now see that the number of instantiations is almost reduced in half which is pretty amazing.

Files:                         204 -> 205
Lines of Library:            38131 -> 38131
Lines of Definitions:        52284 -> 52300
Lines of TypeScript:            81 -> 81
Lines of JavaScript:             0 -> 0
Lines of JSON:                   0 -> 0
Lines of Other:                  0 -> 0
Identifiers:                 92492 -> 92518
Symbols:                    111465 -> 111877
Types:                       55305 -> 55390
Instantiations:             603991 -> 362113    // -40%
Memory used:               187111K -> 189767K
Assignability cache size:    21397 -> 21404
Identity cache size:           350 -> 350
Subtype cache size:            161 -> 161
Strict subtype cache size:     358 -> 354
I/O Read time:               0.01s -> 0.01s
Parse time:                  0.18s -> 0.18s
ResolveModule time:          0.02s -> 0.02s
ResolveTypeReference time:   0.00s -> 0.00s
ResolveLibrary time:         0.01s -> 0.01s
Program time:                0.23s -> 0.24s
Bind time:                   0.07s -> 0.07s
Check time:                  0.78s -> 0.72s
transformTime time:          0.00s -> 0.00s
commentTime time:            0.00s -> 0.00s
I/O Write time:              0.00s -> 0.00s
printTime time:              0.01s -> 0.01s
Emit time:                   0.01s -> 0.01s
Total time:                  1.09s -> 1.04s

Wonder if there are other places this trick could be used too.

Yes I'm pretty confident it can. In fact, once I refactor the getTupleCodec slightly, it'll be able to benefit from the same treatment.

steveluscher

Can you add a bunch of comments to DrainOuterGeneric?

The original change that led us here. “Type instantiation is excessively deep and possibly infinite” but only in a large codebase microsoft/TypeScript#34933
TypeScript is apparently tracking it? feat: increase fault tolerance to deep types error kysely-org/kysely#483

…ppings

lorisleiva · 2024-03-20T10:30:09Z

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refactor(experimental): improve getTupleCodec type inferences #2344

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Improve performance of codec input/output types by draining outer generics. #2295

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refactor(experimental): use DrainOuterGeneric helper on codec type mappings #2322

refactor(experimental): use DrainOuterGeneric helper on codec type mappings #2322

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refactor(experimental): use DrainOuterGeneric helper on codec type mappings #2322

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