lib/compilers/rga.ts - compiler-explorer - Rivoreo Source Code Repositories

 // Copyright (c) 2022, Compiler Explorer Authors
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are met:
 //
 //     * Redistributions of source code must retain the above copyright notice,
 //       this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above copyright
 //       notice, this list of conditions and the following disclaimer in the
 //       documentation and/or other materials provided with the distribution.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 // POSSIBILITY OF SUCH DAMAGE.

 import path from 'path';

 import {readdir, readFile, rename, writeFile} from 'fs-extra';

 import {CompilationResult, ExecutionOptions} from '../../types/compilation/compilation.interfaces';
 import {ParseFiltersAndOutputOptions} from '../../types/features/filters.interfaces';
 import {BaseCompiler} from '../base-compiler';
 import * as exec from '../exec';
 import {logger} from '../logger';

 interface ASICSelection {
     asic?: string;
     error?: string;
     printASICs?: boolean;
 }

 // RGA := Radeon GPU Analyzer
 export class RGACompiler extends BaseCompiler {
     private dxcPath: string;

     static get key() {
         return 'rga';
     }

     constructor(info: any, env: any) {
         super(info, env);

         this.compiler.supportsIntel = false;
         this.dxcPath = this.compilerProps<string>(`compiler.${this.compiler.id}.dxcPath`);
         logger.debug(`RGA compiler ${this.compiler.id} configured to use DXC at ${this.dxcPath}`);
     }

     override optionsForFilter(filters: ParseFiltersAndOutputOptions, outputFilename: any, userOptions?: any): any[] {
         return [outputFilename];
     }

     extractASIC(dxcArgs: string[]): ASICSelection {
         // Scan dxc args for an `--asic` argument that should be stripped and passed later to RGA
         // Default to RDNA2
         let asic = 'gfx1030';
         let printASICs = true;
         for (let i = 0; i !== dxcArgs.length; ++i) {
             const arg = dxcArgs[i];
             if (arg === '--asic') {
                 // NOTE: the last arguments are the input source file and -spirv, so check
                 // if --asic immediately precedes that
                 if (i === dxcArgs.length - 3) {
                     return {
                         error: '--asic flag supplied without subsequent ASIC!',
                     };
                 }
                 asic = dxcArgs[i + 1];
                 // Do a quick sanity check to determine if a valid ASIC was supplied
                 if (!asic.startsWith('gfx')) {
                     return {
                         error: `The argument immediately following --asic doesn't appear to be a valid ASIC.
 Please supply an ASIC from the following options:`,
                         printASICs: true,
                     };
                 }
                 // Remove these two arguments from the dxcArgs list
                 dxcArgs.splice(i, 2);

                 // If the user supplied a specific ASIC, don't bother printing available ASIC options
                 printASICs = false;
                 break;
             }
         }

         return {
             asic,
             printASICs,
         };
     }

     execTime(startTime: bigint, endTime: bigint): string {
         return ((endTime - startTime) / BigInt(1000000)).toString();
     }

     override async runCompiler(
         compiler: string,
         options: string[],
         inputFilename: string,
         execOptions: ExecutionOptions,
     ): Promise<CompilationResult> {
         if (!execOptions) {
             execOptions = this.getDefaultExecOptions();
         }

         if (!execOptions.customCwd) {
             execOptions.customCwd = path.dirname(inputFilename);
         }

         const result = await this.execDXCandRGA(compiler, options, execOptions);
         return this.transformToCompilationResult(result, inputFilename);
     }

     async execDXCandRGA(filepath: string, args: string[], execOptions: ExecutionOptions): Promise<any> {
         // RGA is invoked in two steps. First, DXC is invoked to compile the SPIR-V output of the HLSL file.
         // Next, RGA is invoked to consume the SPIR-V output and produce the requested ISA.

         // Track the total time spent instead of relying on executeDirect's internal timing facility
         const startTime = process.hrtime.bigint();

         // The first argument is the target output file
         const outputFile = args[0];
         const outputDir = path.dirname(outputFile);
         const spvTemp = 'output.spv.txt';
         logger.debug(`Intermediate SPIR-V output: ${spvTemp}`);

         const dxcArgs = args.slice(1);
         if (!dxcArgs.includes('-spirv')) {
             dxcArgs.push('-spirv');
         }
         logger.debug(`DXC args: ${dxcArgs}`);

         const asicSelection = this.extractASIC(dxcArgs);
         if (asicSelection.error) {
             // Invalid user ASIC selected, bail out immediately
             const endTime = process.hrtime.bigint();

             // Synthesize a faux-execution result (see promise resolution code in executeDirect)
             return {
                 code: -1,
                 okToCache: true,
                 filenameTransform: x => x,
                 stdout: asicSelection.error,
                 execTime: this.execTime(startTime, endTime),
             };
         }

         const dxcResult = await exec.execute(this.dxcPath, dxcArgs, execOptions);
         if (dxcResult.code !== 0) {
             // Failed to compile SPIR-V intermediate product. Exit immediately with DXC invocation result.
             const endTime = process.hrtime.bigint();
             dxcResult.execTime = this.execTime(startTime, endTime);
             return dxcResult;
         }

         try {
             await writeFile(path.join(outputDir, spvTemp), dxcResult.stdout);
         } catch (e) {
             const endTime = process.hrtime.bigint();
             return {
                 code: -1,
                 okToCache: true,
                 filenameTransform: x => x,
                 stdout: 'Failed to emit intermediate SPIR-V result.',
                 execTime: this.execTime(startTime, endTime),
             };
         }

         let registerAnalysisFile = 'livereg.txt';
         const rgaArgs = [
             '-s',
             'vk-spv-txt-offline',
             '-c',
             asicSelection.asic || '',
             '--isa',
             outputFile,
             '--livereg',
             registerAnalysisFile,
             spvTemp,
         ];
         logger.debug(`RGA args: ${rgaArgs}`);

         const rgaResult = await exec.execute(filepath, rgaArgs, execOptions);
         if (rgaResult.code !== 0) {
             // Failed to compile AMD ISA
             const endTime = process.hrtime.bigint();
             rgaResult.execTime = this.execTime(startTime, endTime);
             return rgaResult;
         }

         // RGA doesn't emit the exact file we requested. It prepends the requested GPU
         // architecture and appends the shader type (with underscore separators). Here,
         // we rename the generated file to the output file Compiler Explorer expects.

         const files = await readdir(outputDir, {encoding: 'utf-8'});
         for (const file of files) {
             if (file.startsWith((asicSelection.asic as string) + '_output')) {
                 await rename(path.join(outputDir, file), outputFile);

                 registerAnalysisFile = path.join(outputDir, file.replace('output', 'livereg').replace('.s', '.txt'));
                 // The register analysis file contains a legend, and register liveness data
                 // for each line of disassembly. Interleave those lines into the final output
                 // as assembly comments.
                 const asm = await readFile(outputFile, 'utf-8');
                 const asmLines = asm.split(/\r?\n/);
                 const analysis = await readFile(registerAnalysisFile, 'utf-8');
                 const analysisLines = analysis.split(/\r?\n/);

                 // The first few lines of the register analysis are the legend. Emit those lines
                 // as comments at the start of the output.
                 let analysisOffset = analysisLines.indexOf('');
                 analysisOffset += 3;
                 const epilogueOffset = analysisLines.indexOf('', analysisOffset);
                 const outputAsm = analysisLines.slice(epilogueOffset + 1).map(line => `; ${line}`);
                 outputAsm.push(...analysisLines.slice(0, analysisOffset).map(line => `; ${line}`), '\n');

                 let asmOffset = asmLines.indexOf('');
                 outputAsm.push(...asmLines.slice(0, asmOffset));
                 asmOffset += 1;

                 // Perform the interleave
                 for (let i = 0; i !== asmOffset + asmLines.length; ++i) {
                     if (i + analysisOffset >= epilogueOffset) {
                         outputAsm.push(...asmLines.slice(i));
                         break;
                     }

                     // Check if this line of assembly corresponds to a label. If so, emit the asm line
                     // and continue from the next line (the register analysis file operates on instructions,
                     // and labels are not considered instructions)
                     if (asmLines[i + asmOffset].startsWith('label')) {
                         outputAsm.push(asmLines[i + asmOffset]);
                         ++asmOffset;
                         --i;
                         continue;
                     }

                     outputAsm.push(`; ${analysisLines[i + analysisOffset]}`, asmLines[i + asmOffset]);
                 }

                 await writeFile(outputFile, outputAsm.join('\n'));

                 if (asicSelection.printASICs) {
                     rgaResult.stdout += `ISA compiled with the default AMD ASIC (Radeon RX 6800 series RDNA2).
 To override this, pass --asic [ASIC] to the options above (nonstandard DXC option),
 where [ASIC] corresponds to one of the following options:`;

                     const asics = await exec.execute(filepath, ['-s', 'vk-spv-txt-offline', '-l'], execOptions);
                     rgaResult.stdout += '\n';
                     rgaResult.stdout += asics.stdout;
                 }

                 const endTime = process.hrtime.bigint();
                 rgaResult.execTime = this.execTime(startTime, endTime);
                 return rgaResult;
             }
         }

         // Arriving here means the expected ISA result wasn't emitted. Synthesize an error.
         const endTime = process.hrtime.bigint();
         rgaResult.execTime = this.execTime(startTime, endTime);
         rgaResult.stdout += `\nRGA didn't emit expected ISA output.`;
         return rgaResult;
     }
 }
	// Copyright (c) 2022, Compiler Explorer Authors
	// All rights reserved.
	//
	// Redistribution and use in source and binary forms, with or without
	// modification, are permitted provided that the following conditions are met:
	//
	// * Redistributions of source code must retain the above copyright notice,
	// this list of conditions and the following disclaimer.
	// * Redistributions in binary form must reproduce the above copyright
	// notice, this list of conditions and the following disclaimer in the
	// documentation and/or other materials provided with the distribution.
	//
	// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
	// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
	// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	// POSSIBILITY OF SUCH DAMAGE.

	import path from 'path';

	import {readdir, readFile, rename, writeFile} from 'fs-extra';

	import {CompilationResult, ExecutionOptions} from '../../types/compilation/compilation.interfaces';
	import {ParseFiltersAndOutputOptions} from '../../types/features/filters.interfaces';
	import {BaseCompiler} from '../base-compiler';
	import * as exec from '../exec';
	import {logger} from '../logger';

	interface ASICSelection {
	asic?: string;
	error?: string;
	printASICs?: boolean;
	}

	// RGA := Radeon GPU Analyzer
	export class RGACompiler extends BaseCompiler {
	private dxcPath: string;

	static get key() {
	return 'rga';
	}

	constructor(info: any, env: any) {
	super(info, env);

	this.compiler.supportsIntel = false;
	this.dxcPath = this.compilerProps<string>(`compiler.${this.compiler.id}.dxcPath`);
	logger.debug(`RGA compiler ${this.compiler.id} configured to use DXC at ${this.dxcPath}`);
	}

	override optionsForFilter(filters: ParseFiltersAndOutputOptions, outputFilename: any, userOptions?: any): any[] {
	return [outputFilename];
	}

	extractASIC(dxcArgs: string[]): ASICSelection {
	// Scan dxc args for an `--asic` argument that should be stripped and passed later to RGA
	// Default to RDNA2
	let asic = 'gfx1030';
	let printASICs = true;
	for (let i = 0; i !== dxcArgs.length; ++i) {
	const arg = dxcArgs[i];
	if (arg === '--asic') {
	// NOTE: the last arguments are the input source file and -spirv, so check
	// if --asic immediately precedes that
	if (i === dxcArgs.length - 3) {
	return {
	error: '--asic flag supplied without subsequent ASIC!',
	};
	}
	asic = dxcArgs[i + 1];
	// Do a quick sanity check to determine if a valid ASIC was supplied
	if (!asic.startsWith('gfx')) {
	return {
	error: `The argument immediately following --asic doesn't appear to be a valid ASIC.
	Please supply an ASIC from the following options:`,
	printASICs: true,
	};
	}
	// Remove these two arguments from the dxcArgs list
	dxcArgs.splice(i, 2);

	// If the user supplied a specific ASIC, don't bother printing available ASIC options
	printASICs = false;
	break;
	}
	}

	return {
	asic,
	printASICs,
	};
	}

	execTime(startTime: bigint, endTime: bigint): string {
	return ((endTime - startTime) / BigInt(1000000)).toString();
	}

	override async runCompiler(
	compiler: string,
	options: string[],
	inputFilename: string,
	execOptions: ExecutionOptions,
	): Promise<CompilationResult> {
	if (!execOptions) {
	execOptions = this.getDefaultExecOptions();
	}

	if (!execOptions.customCwd) {
	execOptions.customCwd = path.dirname(inputFilename);
	}

	const result = await this.execDXCandRGA(compiler, options, execOptions);
	return this.transformToCompilationResult(result, inputFilename);
	}

	async execDXCandRGA(filepath: string, args: string[], execOptions: ExecutionOptions): Promise<any> {
	// RGA is invoked in two steps. First, DXC is invoked to compile the SPIR-V output of the HLSL file.
	// Next, RGA is invoked to consume the SPIR-V output and produce the requested ISA.

	// Track the total time spent instead of relying on executeDirect's internal timing facility
	const startTime = process.hrtime.bigint();

	// The first argument is the target output file
	const outputFile = args[0];
	const outputDir = path.dirname(outputFile);
	const spvTemp = 'output.spv.txt';
	logger.debug(`Intermediate SPIR-V output: ${spvTemp}`);

	const dxcArgs = args.slice(1);
	if (!dxcArgs.includes('-spirv')) {
	dxcArgs.push('-spirv');
	}
	logger.debug(`DXC args: ${dxcArgs}`);

	const asicSelection = this.extractASIC(dxcArgs);
	if (asicSelection.error) {
	// Invalid user ASIC selected, bail out immediately
	const endTime = process.hrtime.bigint();

	// Synthesize a faux-execution result (see promise resolution code in executeDirect)
	return {
	code: -1,
	okToCache: true,
	filenameTransform: x => x,
	stdout: asicSelection.error,
	execTime: this.execTime(startTime, endTime),
	};
	}

	const dxcResult = await exec.execute(this.dxcPath, dxcArgs, execOptions);
	if (dxcResult.code !== 0) {
	// Failed to compile SPIR-V intermediate product. Exit immediately with DXC invocation result.
	const endTime = process.hrtime.bigint();
	dxcResult.execTime = this.execTime(startTime, endTime);
	return dxcResult;
	}

	try {
	await writeFile(path.join(outputDir, spvTemp), dxcResult.stdout);
	} catch (e) {
	const endTime = process.hrtime.bigint();
	return {
	code: -1,
	okToCache: true,
	filenameTransform: x => x,
	stdout: 'Failed to emit intermediate SPIR-V result.',
	execTime: this.execTime(startTime, endTime),
	};
	}

	let registerAnalysisFile = 'livereg.txt';
	const rgaArgs = [
	'-s',
	'vk-spv-txt-offline',
	'-c',
	asicSelection.asic \|\| '',
	'--isa',
	outputFile,
	'--livereg',
	registerAnalysisFile,
	spvTemp,
	];
	logger.debug(`RGA args: ${rgaArgs}`);

	const rgaResult = await exec.execute(filepath, rgaArgs, execOptions);
	if (rgaResult.code !== 0) {
	// Failed to compile AMD ISA
	const endTime = process.hrtime.bigint();
	rgaResult.execTime = this.execTime(startTime, endTime);
	return rgaResult;
	}

	// RGA doesn't emit the exact file we requested. It prepends the requested GPU
	// architecture and appends the shader type (with underscore separators). Here,
	// we rename the generated file to the output file Compiler Explorer expects.

	const files = await readdir(outputDir, {encoding: 'utf-8'});
	for (const file of files) {
	if (file.startsWith((asicSelection.asic as string) + '_output')) {
	await rename(path.join(outputDir, file), outputFile);

	registerAnalysisFile = path.join(outputDir, file.replace('output', 'livereg').replace('.s', '.txt'));
	// The register analysis file contains a legend, and register liveness data
	// for each line of disassembly. Interleave those lines into the final output
	// as assembly comments.
	const asm = await readFile(outputFile, 'utf-8');
	const asmLines = asm.split(/\r?\n/);
	const analysis = await readFile(registerAnalysisFile, 'utf-8');
	const analysisLines = analysis.split(/\r?\n/);

	// The first few lines of the register analysis are the legend. Emit those lines
	// as comments at the start of the output.
	let analysisOffset = analysisLines.indexOf('');
	analysisOffset += 3;
	const epilogueOffset = analysisLines.indexOf('', analysisOffset);
	const outputAsm = analysisLines.slice(epilogueOffset + 1).map(line => `; ${line}`);
	outputAsm.push(...analysisLines.slice(0, analysisOffset).map(line => `; ${line}`), '\n');

	let asmOffset = asmLines.indexOf('');
	outputAsm.push(...asmLines.slice(0, asmOffset));
	asmOffset += 1;

	// Perform the interleave
	for (let i = 0; i !== asmOffset + asmLines.length; ++i) {
	if (i + analysisOffset >= epilogueOffset) {
	outputAsm.push(...asmLines.slice(i));
	break;
	}

	// Check if this line of assembly corresponds to a label. If so, emit the asm line
	// and continue from the next line (the register analysis file operates on instructions,
	// and labels are not considered instructions)
	if (asmLines[i + asmOffset].startsWith('label')) {
	outputAsm.push(asmLines[i + asmOffset]);
	++asmOffset;
	--i;
	continue;
	}

	outputAsm.push(`; ${analysisLines[i + analysisOffset]}`, asmLines[i + asmOffset]);
	}

	await writeFile(outputFile, outputAsm.join('\n'));

	if (asicSelection.printASICs) {
	rgaResult.stdout += `ISA compiled with the default AMD ASIC (Radeon RX 6800 series RDNA2).
	To override this, pass --asic [ASIC] to the options above (nonstandard DXC option),
	where [ASIC] corresponds to one of the following options:`;

	const asics = await exec.execute(filepath, ['-s', 'vk-spv-txt-offline', '-l'], execOptions);
	rgaResult.stdout += '\n';
	rgaResult.stdout += asics.stdout;
	}

	const endTime = process.hrtime.bigint();
	rgaResult.execTime = this.execTime(startTime, endTime);
	return rgaResult;
	}
	}

	// Arriving here means the expected ISA result wasn't emitted. Synthesize an error.
	const endTime = process.hrtime.bigint();
	rgaResult.execTime = this.execTime(startTime, endTime);
	rgaResult.stdout += `\nRGA didn't emit expected ISA output.`;
	return rgaResult;
	}
	}