diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 99c93f2..2449410 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -28,6 +28,7 @@ jobs:
                 php-version: ${{ fromJson(needs.setup.outputs.php-versions) }}
                 tool: ${{ fromJson(needs.setup.outputs.tools) }}
             fail-fast: false
+        name: ${{ matrix.php-version }} - ${{ matrix.tool }}
         steps:
             -   uses: actions/checkout@v3
             -   uses: shivammathur/setup-php@v2
diff --git a/src/Command/CodesnifferCommand.php b/src/Command/CodesnifferCommand.php
index 09371ac..76bea11 100644
--- a/src/Command/CodesnifferCommand.php
+++ b/src/Command/CodesnifferCommand.php
@@ -19,13 +19,20 @@ protected function getProcess(InputInterface $input): Process
     {
         if ($this->isGitHubFormat($input)) {
             return Process::fromShellCommandline(
-                $this->withVendorBinPath('phpcs') . ' -q --report=checkstyle | cs2pr',
+                \sprintf(
+                    '%s -q --parallel=%s --report=checkstyle | cs2pr',
+                    $this->withVendorBinPath('phpcs'),
+                    $this->configuration->getThreads(),
+                ),
                 timeout: null,
             );
         }
 
         return new Process(
-            [$this->withVendorBinPath('phpcs')],
+            [
+                $this->withVendorBinPath('phpcs'),
+                '--parallel=' . $this->configuration->getThreads(),
+            ],
             timeout: null,
         );
     }
diff --git a/src/Command/PsalmCommand.php b/src/Command/PsalmCommand.php
index 1a5c6fa..1fe1b17 100644
--- a/src/Command/PsalmCommand.php
+++ b/src/Command/PsalmCommand.php
@@ -17,7 +17,10 @@ final class PsalmCommand extends DevToolsCommand
 
     protected function getProcess(InputInterface $input): Process
     {
-        $command = [$this->withVendorBinPath('psalm')];
+        $command = [
+            $this->withVendorBinPath('psalm'),
+            '--threads=' . $this->configuration->getThreads(),
+        ];
 
         if ($this->isGitHubFormat($input)) {
             $command[] = '--output-format=github';
diff --git a/src/Command/RoaveInfectionCommand.php b/src/Command/RoaveInfectionCommand.php
index 7e4f596..6f5f8fd 100644
--- a/src/Command/RoaveInfectionCommand.php
+++ b/src/Command/RoaveInfectionCommand.php
@@ -17,15 +17,18 @@ final class RoaveInfectionCommand extends DevToolsCommand
 
     protected function getProcess(InputInterface $input): Process
     {
-        return new Process(
-            [
-                $this->withVendorBinPath('roave-infection-static-analysis-plugin'),
-                '--only-covered',
-                '--show-mutations',
-            ],
-            env: ['XDEBUG_MODE' => 'coverage'],
-            timeout: null,
-        );
+        $command = [
+            $this->withVendorBinPath('roave-infection-static-analysis-plugin'),
+            '--threads=' . $this->configuration->getThreads(),
+            '--only-covered',
+            '--show-mutations',
+        ];
+
+        if ($this->isGitHubFormat($input)) {
+            $command[] = '--logger-github';
+        }
+
+        return new Process($command, env: ['XDEBUG_MODE' => 'coverage'], timeout: null);
     }
 
     public static function isAvailable(Configuration $configuration): bool
diff --git a/src/Configuration.php b/src/Configuration.php
index 47fa920..1d96331 100644
--- a/src/Configuration.php
+++ b/src/Configuration.php
@@ -5,6 +5,7 @@
 
 use Composer\Semver\Semver;
 use MyOnlineStore\DevTools\Command\DevToolsCommand;
+use Symfony\Component\Process\Process;
 
 final class Configuration
 {
@@ -20,6 +21,7 @@ final class Configuration
     private ?array $phpVersions = null;
 
     private string $rootDir;
+    private ?string $threads = null;
 
     public function __construct()
     {
@@ -40,6 +42,55 @@ public function __construct()
         throw new \RuntimeException('Unable to determine project root');
     }
 
+    /**
+     * @return array<string, class-string<DevToolsCommand>>
+     */
+    public function getEnabledTools(): array
+    {
+        if (null === $this->enabledTools) {
+            $this->enabledTools = $this->gatherEnabledTools();
+        }
+
+        return $this->enabledTools;
+    }
+
+    /**
+     * @return list<string>
+     */
+    public function getPhpVersions(): array
+    {
+        if (null === $this->phpVersions) {
+            $this->phpVersions = $this->gatherPhpVersions();
+        }
+
+        return $this->phpVersions;
+    }
+
+    public function getRootDir(): string
+    {
+        return $this->rootDir;
+    }
+
+    public function getThreads(): string
+    {
+        if (null === $this->threads) {
+            $this->threads = $this->determineThreads();
+        }
+
+        return $this->threads;
+    }
+
+    private function determineThreads(): string
+    {
+        return \trim(
+            match (\php_uname('s')) {
+                'Linux' => Process::fromShellCommandline('nproc')->mustRun()->getOutput(),
+                'Darwin' => Process::fromShellCommandline('sysctl -n hw.logicalcpu')->mustRun()->getOutput(),
+                default => '2',
+            }
+        );
+    }
+
     /**
      * @return list<string>
      */
@@ -111,33 +162,4 @@ private function gatherEnabledTools(): array
 
         return $enabledTools;
     }
-
-    /**
-     * @return array<string, class-string<DevToolsCommand>>
-     */
-    public function getEnabledTools(): array
-    {
-        if (null === $this->enabledTools) {
-            $this->enabledTools = $this->gatherEnabledTools();
-        }
-
-        return $this->enabledTools;
-    }
-
-    /**
-     * @return list<string>
-     */
-    public function getPhpVersions(): array
-    {
-        if (null === $this->phpVersions) {
-            $this->phpVersions = $this->gatherPhpVersions();
-        }
-
-        return $this->phpVersions;
-    }
-
-    public function getRootDir(): string
-    {
-        return $this->rootDir;
-    }
 }