Use full host resources for Xcode benchmarks (#1045)

benchmark/internal/executor/tart/tart.go

@@ -7,11 +7,14 @@ import (
 	"fmt"
 	"github.com/avast/retry-go/v4"
 	"github.com/google/uuid"
+	"github.com/shirou/gopsutil/mem"
 	"go.uber.org/zap"
 	"go.uber.org/zap/zapio"
 	"golang.org/x/crypto/ssh"
 	"io"
 	"net"
+	"runtime"
+	"strconv"
 	"strings"
 	"time"
 )
@@ -37,6 +40,23 @@ func New(ctx context.Context, image string, runArgsExtra []string, logger *zap.L
 		return nil, err
 	}
 
+	vmStat, err := mem.VirtualMemory()
+	if err != nil {
+		return nil, err
+	}
+
+	cpus := strconv.Itoa(runtime.NumCPU())
+	memory := strconv.FormatUint(vmStat.Total/1024/1024, 10)
+	logger.Info("Setting resources", zap.String("cpus", cpus), zap.String("memory", memory))
+	setResourcesArguments := []string{
+		"set", tart.vmName,
+		"--cpu", cpus,
+		"--memory", memory,
+	}
+	if err := Cmd(ctx, tart.logger, setResourcesArguments...); err != nil {
+		return nil, err
+	}
+
 	vmRunCtx, vmRunCancel := context.WithCancel(ctx)
 	tart.vmRunCancel = vmRunCancel