1 files changed, 164 insertions, 0 deletions
diff --git a/VexRiscv/src/test/scala/vexriscv/DhrystoneBench.scala b/VexRiscv/src/test/scala/vexriscv/DhrystoneBench.scala
new file mode 100644
index 0000000..48d1b67
--- /dev/null
+++ b/VexRiscv/src/test/scala/vexriscv/DhrystoneBench.scala
@@ -0,0 +1,164 @@
+package vexriscv
+
+import java.io.File
+
+import org.scalatest.funsuite.AnyFunSuite
+import spinal.core.SpinalVerilog
+import vexriscv.demo._
+
+import scala.sys.process._
+
+class DhrystoneBench extends AnyFunSuite {
+  def doCmd(cmd: String): String = {
+    val stdOut = new StringBuilder()
+    class Logger extends ProcessLogger {
+      override def err(s: => String): Unit = {
+        if (!s.startsWith("ar: creating ")) println(s)
+      }
+
+      override def out(s: => String): Unit = {
+        println(s)
+        stdOut ++= s
+      }
+
+      override def buffer[T](f: => T) = f
+    }
+    Process(cmd, new File("src/test/cpp/regression")).!(new Logger)
+    stdOut.toString()
+  }
+
+  val report = new StringBuilder()
+
+  def getDmips(name: String, gen: => Unit, testCmd: String): Unit = {
+    var genPassed = false
+    test(name + "_gen") {
+      gen
+      genPassed = true
+    }
+    test(name + "_test") {
+      assert(genPassed)
+      val str = doCmd(testCmd)
+      assert(!str.contains("FAIL"))
+      val intFind = "(\\d+\\.?)+".r
+      val dmips = intFind.findFirstIn("DMIPS per Mhz\\:                              (\\d+.?)+".r.findAllIn(str).toList.last).get.toDouble
+      val coremarkTicks = intFind.findFirstIn("Total ticks      \\: (\\d+.?)+".r.findAllIn(str).toList.last).get.toDouble
+      val coremarkIterations = intFind.findFirstIn("Iterations       \\: (\\d+.?)+".r.findAllIn(str).toList.last).get.toDouble
+      val coremarkHzs = intFind.findFirstIn("DCLOCKS_PER_SEC=(\\d+.?)+".r.findAllIn(str).toList.last).get.toDouble
+      val coremarkPerMhz = 1e6 * coremarkIterations / coremarkTicks
+      report ++= s"$name -> $dmips DMIPS/Mhz $coremarkPerMhz Coremark/Mhz\n"
+    }
+
+  }
+
+  for(withMemoryStage <- List(false, true)){
+    val stages = if(withMemoryStage) "Three" else "Two"
+    getDmips(
+      name = s"Gen${stages}StageArty",
+      gen = SpinalVerilog(GenTwoThreeStage.cpu(
+        withMulDiv = false,
+        bypass = false,
+        barrielShifter = false,
+        withMemoryStage = withMemoryStage
+      )),
+      testCmd = "make clean run REDO=10 IBUS=SIMPLE DBUS=SIMPLE CSR=no MMU=no DEBUG_PLUGIN=no MUL=no DIV=no  COREMARK=yes"
+    )
+    getDmips(
+      name = s"Gen${stages}StageBarrielArty",
+      gen = SpinalVerilog(GenTwoThreeStage.cpu(
+        withMulDiv = false,
+        bypass = true,
+        barrielShifter = true,
+        withMemoryStage = withMemoryStage
+      )),
+      testCmd = "make clean run REDO=10 IBUS=SIMPLE DBUS=SIMPLE CSR=no MMU=no DEBUG_PLUGIN=no MUL=no DIV=no  COREMARK=yes"
+    )
+    getDmips(
+      name = s"Gen${stages}StageMDArty",
+      gen = SpinalVerilog(GenTwoThreeStage.cpu(
+        withMulDiv = true,
+        bypass = false,
+        barrielShifter = false,
+        withMemoryStage = withMemoryStage
+      )),
+      testCmd = "make clean run REDO=10 IBUS=SIMPLE DBUS=SIMPLE CSR=no MMU=no DEBUG_PLUGIN=no MUL=yes DIV=yes  COREMARK=yes"
+    )
+    getDmips(
+      name = s"Gen${stages}StageMDBarrielArty",
+      gen = SpinalVerilog(GenTwoThreeStage.cpu(
+        withMulDiv = true,
+        bypass = true,
+        barrielShifter = true,
+        withMemoryStage = withMemoryStage
+      )),
+      testCmd = "make clean run REDO=10 IBUS=SIMPLE DBUS=SIMPLE CSR=no MMU=no DEBUG_PLUGIN=no MUL=yes DIV=yes  COREMARK=yes"
+    )
+  }
+
+  getDmips(
+    name = "GenSmallestNoCsr",
+    gen = GenSmallestNoCsr.main(null),
+    testCmd = "make clean run REDO=10 IBUS=SIMPLE DBUS=SIMPLE CSR=no MMU=no DEBUG_PLUGIN=no MUL=no DIV=no  COREMARK=yes"
+  )
+
+
+  getDmips(
+    name = "GenSmallest",
+    gen = GenSmallest.main(null),
+    testCmd = "make clean run REDO=10 IBUS=SIMPLE DBUS=SIMPLE CSR=no MMU=no DEBUG_PLUGIN=no MUL=no DIV=no  COREMARK=yes"
+  )
+
+
+  getDmips(
+    name = "GenSmallAndProductive",
+    gen = GenSmallAndProductive.main(null),
+    testCmd = "make clean run REDO=10 IBUS=SIMPLE DBUS=SIMPLE CSR=no MMU=no DEBUG_PLUGIN=no MUL=no DIV=no  COREMARK=yes"
+  )
+
+  getDmips(
+    name = "GenSmallAndProductiveWithICache",
+    gen = GenSmallAndProductiveICache.main(null),
+    testCmd = "make clean run REDO=10 IBUS=CACHED DBUS=SIMPLE CSR=no MMU=no DEBUG_PLUGIN=no MUL=no DIV=no  COREMARK=yes"
+  )
+
+
+  getDmips(
+    name = "GenFullNoMmuNoCache",
+    gen = GenFullNoMmuNoCache.main(null),
+    testCmd = "make clean run REDO=10 IBUS=SIMPLE DBUS=SIMPLE CSR=no MMU=no  COREMARK=yes"
+  )
+
+  getDmips(
+    name = "GenNoCacheNoMmuMaxPerf",
+    gen = GenNoCacheNoMmuMaxPerf.main(null),
+    testCmd = "make clean run REDO=10 MMU=no CSR=no DBUS=SIMPLE IBUS=SIMPLE  COREMARK=yes"
+  )
+
+
+  getDmips(
+    name = "GenFullNoMmuMaxPerf",
+    gen = GenFullNoMmuMaxPerf.main(null),
+    testCmd = "make clean run REDO=10 MMU=no CSR=no  COREMARK=yes"
+  )
+  getDmips(
+    name = "GenFullNoMmu",
+    gen = GenFullNoMmu.main(null),
+    testCmd = "make clean run REDO=10 MMU=no CSR=no  COREMARK=yes"
+  )
+
+  getDmips(
+    name = "GenFull",
+    gen = GenFull.main(null),
+    testCmd = "make clean run REDO=10 CSR=no MMU=no  COREMARK=yes"
+  )
+
+  getDmips(
+    name = "GenLinuxBalenced",
+    gen = LinuxGen.main(Array.fill[String](0)("")),
+    testCmd = "make clean run IBUS=CACHED DBUS=CACHED DEBUG_PLUGIN=STD DHRYSTONE=yes SUPERVISOR=yes MMU=no CSR=yes CSR_SKIP_TEST=yes  COMPRESSED=no MUL=yes DIV=yes LRSC=yes AMO=yes REDO=10 TRACE=no COREMARK=yes LINUX_REGRESSION=no"
+  )
+
+
+  test("final_report") {
+    println(report)
+  }
+}