wehub-resource-sync
44 lines
1.1 KiB
TypeScript
44 lines
1.1 KiB
TypeScript
import * as fs from "node:fs";
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function runCommand(command: string, args: string[]): string | null {
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try {
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const result = Bun.spawnSync([command, ...args], { stdout: "pipe", stderr: "pipe" });
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if (result.exitCode !== 0) return null;
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return result.stdout.toString("utf-8").trim();
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} catch {
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return null;
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}
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}
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export function detectHostAvx2Support(): boolean {
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if (process.arch !== "x64") return false;
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if (process.platform === "linux") {
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try {
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const cpuInfo = fs.readFileSync("/proc/cpuinfo", "utf8");
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return /\bavx2\b/i.test(cpuInfo);
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} catch {
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return false;
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}
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}
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if (process.platform === "darwin") {
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const leaf7 = runCommand("sysctl", ["-n", "machdep.cpu.leaf7_features"]);
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if (leaf7 && /\bAVX2\b/i.test(leaf7)) return true;
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const features = runCommand("sysctl", ["-n", "machdep.cpu.features"]);
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return Boolean(features && /\bAVX2\b/i.test(features));
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}
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if (process.platform === "win32") {
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const output = runCommand("powershell.exe", [
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"-NoProfile",
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"-NonInteractive",
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"-Command",
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"[System.Runtime.Intrinsics.X86.Avx2]::IsSupported",
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]);
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return output?.toLowerCase() === "true";
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}
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return false;
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}
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