From fa82e4fbf065bb474b0f87023f66edffb8a5b850 Mon Sep 17 00:00:00 2001
From: Joshua Haberman <jhaberman@gmail.com>
Date: Wed, 17 Aug 2011 08:15:57 -0700
Subject: Benchmark JIT vs no JIT without forcing a whole-project recompile.

---
 benchmarks/parsetostruct.upb.c | 79 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 benchmarks/parsetostruct.upb.c

(limited to 'benchmarks/parsetostruct.upb.c')

diff --git a/benchmarks/parsetostruct.upb.c b/benchmarks/parsetostruct.upb.c
new file mode 100644
index 0000000..a436fd4
--- /dev/null
+++ b/benchmarks/parsetostruct.upb.c
@@ -0,0 +1,79 @@
+
+#include "main.c"
+
+#include "upb/bytestream.h"
+#include "upb/def.h"
+#include "upb/msg.h"
+#include "upb/pb/decoder.h"
+#include "upb/pb/glue.h"
+
+static upb_msgdef *def;
+static size_t len;
+static void *msg;
+static upb_stringsrc strsrc;
+static upb_decoder d;
+
+static bool initialize()
+{
+  // Initialize upb state, decode descriptor.
+  upb_status status = UPB_STATUS_INIT;
+  upb_symtab *s = upb_symtab_new();
+  upb_read_descriptorfile(s, MESSAGE_DESCRIPTOR_FILE, &status);
+  if(!upb_ok(&status)) {
+    upb_status_print(&status, stderr);
+    return false;
+  }
+
+  def = upb_dyncast_msgdef(upb_symtab_lookup(s, MESSAGE_NAME));
+  if(!def) {
+    fprintf(stderr, "Error finding symbol '%s'.\n", MESSAGE_NAME);
+    return false;
+  }
+  upb_symtab_unref(s);
+
+  // Read the message data itself.
+  char *str = upb_readfile(MESSAGE_FILE, &len);
+  if(str == NULL) {
+    fprintf(stderr, "Error reading " MESSAGE_FILE "\n");
+    return false;
+  }
+  upb_status_uninit(&status);
+  msg = upb_stdmsg_new(def);
+
+  upb_stringsrc_init(&strsrc);
+  upb_stringsrc_reset(&strsrc, str, len);
+  upb_handlers *h = upb_handlers_new();
+  upb_accessors_reghandlers(h, def);
+  if (!JIT) h->should_jit = false;
+  upb_decoder_initforhandlers(&d, h);
+  upb_handlers_unref(h);
+
+  if (!BYREF) {
+    // TODO: use byref/byval accessors.
+  }
+  return true;
+}
+
+static void cleanup()
+{
+  upb_stdmsg_free(msg, def);
+  upb_def_unref(UPB_UPCAST(def));
+  upb_stringsrc_uninit(&strsrc);
+  upb_decoder_uninit(&d);
+}
+
+static size_t run(int i)
+{
+  (void)i;
+  upb_status status = UPB_STATUS_INIT;
+  upb_msg_clear(msg, def);
+  upb_decoder_reset(&d, upb_stringsrc_bytesrc(&strsrc), 0, UINT64_MAX, msg);
+  upb_decoder_decode(&d, &status);
+  if(!upb_ok(&status)) goto err;
+  return len;
+
+err:
+  fprintf(stderr, "Decode error: ");
+  upb_status_print(&status, stderr);
+  return 0;
+}
-- 
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