From cfcb1bef94a8cfb565d9450b38f57d4f5c83790a Mon Sep 17 00:00:00 2001
From: "bungeman@google.com"
 <bungeman@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81>
Date: Thu, 31 Jan 2013 19:47:48 +0000
Subject: Add SHA1 and MD5 to utils. https://codereview.appspot.com/7071055/

git-svn-id: http://skia.googlecode.com/svn/trunk@7496 2bbb7eff-a529-9590-31e7-b0007b416f81
---
 bench/ChecksumBench.cpp | 68 +++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 63 insertions(+), 5 deletions(-)

(limited to 'bench/ChecksumBench.cpp')

diff --git a/bench/ChecksumBench.cpp b/bench/ChecksumBench.cpp
index 31160c7ad0..2d0b542f7c 100644
--- a/bench/ChecksumBench.cpp
+++ b/bench/ChecksumBench.cpp
@@ -7,7 +7,18 @@
 #include "SkBenchmark.h"
 #include "SkCanvas.h"
 #include "SkChecksum.h"
+#include "SkCityHash.h"
+#include "SkMD5.h"
 #include "SkRandom.h"
+#include "SkSHA1.h"
+
+enum ChecksumType {
+    kChecksum_ChecksumType,
+    kMD5_ChecksumType,
+    kSHA1_ChecksumType,
+    kCityHash32,
+    kCityHash64
+};
 
 class ComputeChecksumBench : public SkBenchmark {
     enum {
@@ -16,9 +27,10 @@ class ComputeChecksumBench : public SkBenchmark {
         N         = SkBENCHLOOP(100000),
     };
     uint32_t    fData[U32COUNT];
+    ChecksumType fType;
 
 public:
-    ComputeChecksumBench(void* param) : INHERITED(param) {
+    ComputeChecksumBench(void* param, ChecksumType type) : INHERITED(param), fType(type) {
         SkRandom rand;
         for (int i = 0; i < U32COUNT; ++i) {
             fData[i] = rand.nextU();
@@ -28,13 +40,51 @@ public:
 
 protected:
     virtual const char* onGetName() {
-        return "compute_checksum";
+        switch (fType) {
+            case kChecksum_ChecksumType: return "compute_checksum";
+            case kMD5_ChecksumType: return "compute_md5";
+            case kSHA1_ChecksumType: return "compute_sha1";
+            case kCityHash32: return "compute_cityhash32";
+            case kCityHash64: return "compute_cityhash64";
+            default: SK_CRASH(); return "";
+        }
     }
 
     virtual void onDraw(SkCanvas* canvas) {
-        for (int i = 0; i < N; i++) {
-            (void) SkChecksum::Compute(fData, sizeof(fData));
+        switch (fType) {
+            case kChecksum_ChecksumType: {
+                for (int i = 0; i < N; i++) {
+                    volatile uint32_t result = SkChecksum::Compute(fData, sizeof(fData));
+                }
+            } break;
+            case kMD5_ChecksumType: {
+                for (int i = 0; i < N; i++) {
+                    SkMD5 md5;
+                    md5.update(reinterpret_cast<uint8_t*>(fData), sizeof(fData));
+                    SkMD5::Digest digest;
+                    md5.finish(digest);
+                }
+            } break;
+            case kSHA1_ChecksumType: {
+                for (int i = 0; i < N; i++) {
+                    SkSHA1 sha1;
+                    sha1.update(reinterpret_cast<uint8_t*>(fData), sizeof(fData));
+                    SkSHA1::Digest digest;
+                    sha1.finish(digest);
+                }
+            } break;
+            case kCityHash32: {
+                for (int i = 0; i < N; i++) {
+                    volatile uint32_t result = SkCityHash::Compute32(reinterpret_cast<char*>(fData), sizeof(fData));
+                }
+            } break;
+            case kCityHash64: {
+                for (int i = 0; i < N; i++) {
+                    volatile uint64_t result = SkCityHash::Compute64(reinterpret_cast<char*>(fData), sizeof(fData));
+                }
+            } break;
         }
+
     }
 
 private:
@@ -43,6 +93,14 @@ private:
 
 ///////////////////////////////////////////////////////////////////////////////
 
-static SkBenchmark* Fact0(void* p) { return new ComputeChecksumBench(p); }
+static SkBenchmark* Fact0(void* p) { return new ComputeChecksumBench(p, kChecksum_ChecksumType); }
+static SkBenchmark* Fact1(void* p) { return new ComputeChecksumBench(p, kMD5_ChecksumType); }
+static SkBenchmark* Fact2(void* p) { return new ComputeChecksumBench(p, kSHA1_ChecksumType); }
+static SkBenchmark* Fact3(void* p) { return new ComputeChecksumBench(p, kCityHash32); }
+static SkBenchmark* Fact4(void* p) { return new ComputeChecksumBench(p, kCityHash64); }
 
 static BenchRegistry gReg0(Fact0);
+static BenchRegistry gReg1(Fact1);
+static BenchRegistry gReg2(Fact2);
+static BenchRegistry gReg3(Fact3);
+static BenchRegistry gReg4(Fact4);
-- 
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