public async Task Manage_OneTrans_BeginInvoke()
{
await GeneratePerfRangesForRealm(async (cache, size) =>
{
var toWrite = PerfHelper.GenerateRandomDatabaseContents(size);
var st = new Stopwatch();
st.Start();
await Task.Run(() =>
{
using (var realmThread = new RealmThread(cache.Config))
{
realmThread.BeginTransaction();
realmThread.BeginInvoke((threadSafeRealm) =>
{
foreach (var kvp in toWrite)
{
var obj = new KeyValueRecord();
obj.Key = kvp.Key;
obj.Value = kvp.Value;
threadSafeRealm.Add(obj);
}
});
realmThread.CommitTransaction();
}
});
st.Stop();
return(st.ElapsedMilliseconds);
});
}
public async Task Manage_OneTrans_InvokeAsync()
{
await GeneratePerfRangesForRealm(async (cache, size) =>
{
var toWrite = PerfHelper.GenerateRandomDatabaseContents(size);
var st = new Stopwatch();
st.Start();
using (var realmThread = new RealmThread(cache.Config))
{
await realmThread.InvokeAsync(async(threadSafeRealm) =>
{
// Mock something using an await in this lamba
await Task.FromResult(true);
threadSafeRealm.Write(() =>
{
foreach (var kvp in toWrite)
{
var obj = new KeyValueRecord();
obj.Key = kvp.Key;
obj.Value = kvp.Value;
threadSafeRealm.Add(obj);
}
});
});
}
st.Stop();
return(st.ElapsedMilliseconds);
});
}
async Task <Realms.Realm> GenerateRealmDB(string path)
{
path = path ?? IntegrationTestHelper.GetIntegrationTestRootDirectory();
var giantDbSize = PerfHelper.GetPerfRanges().Last();
var config = new RealmConfiguration(Path.Combine(path, "realm.db"))
{
ObjectClasses = new Type[] { typeof(KeyValueRecord) },
ReadOnly = false
};
var cache = Realms.Realm.GetInstance(config);
var keys = cache.All <KeyValueRecord>().Count();
if (keys == giantDbSize)
{
return(cache);
}
await cache.WriteAsync(r =>
{
r.RemoveAll();
});
await GenerateRealmDB(cache, giantDbSize);
return(cache);
}
protected static async Task <List <string> > GenerateRealmDB(Realms.Realm targetCache, int size)
{
var ret = new List <string>();
// Write out in groups of 4096
while (size > 0)
{
var toWriteSize = Math.Min(4096, size);
var toWrite = PerfHelper.GenerateRandomDatabaseContents(toWriteSize);
await targetCache.WriteAsync((Realms.Realm realm) =>
{
foreach (var item in toWrite)
{
var c = new KeyValueRecord();
c.Key = item.Key;
c.Value = item.Value;
realm.Manage <KeyValueRecord>(c); // update: false
}
});
foreach (var k in toWrite.Keys)
{
ret.Add(k);
}
size -= toWrite.Count;
}
return(ret);
}
protected async Task GeneratePerfRangesForRealm(Func <Realms.Realm, int, Task <long> > block)
{
results = new Dictionary <int, long>();
dbName = default(string);
var dirPath = default(string);
using (Utility.WithEmptyDirectory(out dirPath))
using (var cache = RealmThread.GetInstance(Path.Combine(dirPath, "realm.db")))
{
using (var realmThread = new RealmThread(cache.Config))
{
realmThread.Invoke((obj) =>
{
obj.Write(() => { obj.RemoveAll(); });
});
}
dbName = "Realm";
foreach (var size in PerfHelper.GetPerfRanges())
{
results[size] = await block(cache, size);
}
}
}
protected static async Task <List <string> > GenerateRealmDB(Realms.Realm targetCache, int size)
{
var ret = new List <string>();
// Write out in groups of 4096
while (size > 0)
{
var toWriteSize = Math.Min(4096, size);
var toWrite = PerfHelper.GenerateRandomDatabaseContents(toWriteSize);
using (var rt = new RealmThread(targetCache.Config))
{
await rt.InvokeAsync(async(Realms.Realm arg) =>
{
await arg.WriteAsync((r) =>
{
foreach (var item in toWrite)
{
var c = new KeyValueRecord {
Key = item.Key, Value = item.Value
};
r.Add(c); // update: false
}
});
});
}
foreach (var k in toWrite.Keys)
{
ret.Add(k);
}
size -= toWrite.Count;
}
return(ret);
}
public async Task GeneratePerfRangesForBlock2(Func <Realms.Realm, int, List <string>, Task <long> > block)
{
results = new Dictionary <int, long>();
dbName = default(string);
var dirPath = default(string);
using (Utility.WithEmptyDirectory(out dirPath))
using (var cache = await GenerateRealmDB(dirPath))
{
List <string> keys = null;
using (var realmThread = new RealmThread(cache.Config))
{
realmThread.Invoke((r) =>
{
r.Write(() => {
keys = r.All <KeyValueRecord>().ToList().Select(x => x.Key).ToList();
});
});
}
dbName = dbName ?? cache.GetType().Name;
foreach (var size in PerfHelper.GetPerfRanges())
{
results[size] = await block(cache, size, keys.ToList());
}
}
}
public async Task Manage_updateTrue_OneTrans()
{
await GeneratePerfRangesForRealm(async (cache, size) =>
{
var toWrite = PerfHelper.GenerateRandomDatabaseContents(size);
var st = new Stopwatch();
st.Start();
using (var realmThread = new RealmThread(cache.Config))
{
realmThread.Invoke((realm) =>
{
realm.Write(() =>
{
foreach (var kvp in toWrite)
{
var c = new KeyValueRecord {
Key = kvp.Key, Value = kvp.Value
};
realm.Add(c, update: true);
}
});
});
}
st.Stop();
await Task.Delay(1); // cheap hack
return(st.ElapsedMilliseconds);
});
}
async Task <Realms.Realm> GenerateRealmDB(string path)
{
path = path ?? IntegrationTestHelper.GetIntegrationTestRootDirectory();
var giantDbSize = PerfHelper.GetPerfRanges().Last();
var config = new RealmConfiguration(Path.Combine(path, "perf.realm"))
{
ObjectClasses = new Type[] { typeof(KeyValueRecord) },
IsReadOnly = false
};
var cache = RealmThread.GetInstance(config);
var keys = cache.All <KeyValueRecord>().Count();
if (keys == giantDbSize)
{
return(cache);
}
using (var realmThread = new RealmThread(cache.Config))
{
realmThread.Invoke((obj) =>
{
obj.Write(() => { obj.RemoveAll(); });
});
}
await GenerateRealmDB(cache, giantDbSize);
return(cache);
}
public async Task Write_Read_Parallel_On_Different_Threads()
{
await GeneratePerfRangesForRealm(async (cache, size) =>
{
await cache.WriteAsync((obj) =>
{
obj.RemoveAll();
});
var toWrite = PerfHelper.GenerateRandomDatabaseContents(size);
var st = new Stopwatch();
st.Start();
await Task.Run(() =>
{
using (var blockingQueue = new BlockingCollection <string>())
using (var realmThreadWrite = new RealmThread(cache.Config))
using (var realmThreadRead = new RealmThread(cache.Config))
{
Parallel.Invoke(() =>
{
realmThreadWrite.Invoke(threadSafeWriteRealm =>
{
foreach (var kvp in toWrite)
{
// Individual record write transactions so the other RealmThread can read asap
threadSafeWriteRealm.Write(() =>
{
var obj = threadSafeWriteRealm.CreateObject(typeof(KeyValueRecord).Name);
obj.Key = kvp.Key;
obj.Value = kvp.Value;
});
blockingQueue.Add(kvp.Key);
}
blockingQueue.CompleteAdding();
});
},
() =>
{
realmThreadRead.Invoke((threadSafeReadRealm) =>
{
foreach (var key in blockingQueue.GetConsumingEnumerable())
{
// Refresh() is automatically called at the beginning of each BeginInvoke,
// so if we are within the RealmPump block and need to see the latest changes
// from other Realm instances, call Refresh manually
threadSafeReadRealm.Refresh();
var record = threadSafeReadRealm.ObjectForPrimaryKey <KeyValueRecord>(key);
Assert.NotNull(record);
Assert.Equal(key, record.Key);
}
});
});
}
});
st.Stop();
return(st.ElapsedMilliseconds);
});
}
protected async Task GeneratePerfRangesForRealm(Func <Realms.Realm, int, Task <long> > block)
{
results = new Dictionary <int, long>();
dbName = default(string);
var dirPath = default(string);
using (Utility.WithEmptyDirectory(out dirPath))
using (var cache = RealmThread.GetInstance(Path.Combine(dirPath, "perf.realm")))
{
dbName = "Realm";
foreach (var size in PerfHelper.GetPerfRanges())
{
results[size] = await block(cache, size);
}
}
}
public async Task CreateObject_OneTrans()
{
await GeneratePerfRangesForRealm(async (cache, size) =>
{
var toWrite = PerfHelper.GenerateRandomDatabaseContents(size);
var st = new Stopwatch();
st.Start();
await cache.WriteAsync((r) =>
{
foreach (var kvp in toWrite)
{
var c = r.CreateObject(typeof(KeyValueRecord).Name);
c.Key = kvp.Key;
c.Value = kvp.Value;
}
});
st.Stop();
return(st.ElapsedMilliseconds);
});
}
public async Task Manage_updateTrue_OneTrans()
{
await GeneratePerfRangesForRealm(async (cache, size) =>
{
var toWrite = PerfHelper.GenerateRandomDatabaseContents(size);
var st = new Stopwatch();
st.Start();
await cache.WriteAsync((r) =>
{
foreach (var kvp in toWrite)
{
var c = new KeyValueRecord();
c.Key = kvp.Key;
c.Value = kvp.Value;
r.Manage(c, update: true);
}
});
st.Stop();
return(st.ElapsedMilliseconds);
});
}
public async Task GeneratePerfRangesForBlock2(Func <Realms.Realm, int, List <string>, Task <long> > block)
{
results = new Dictionary <int, long>();
dbName = default(string);
var dirPath = default(string);
using (Utility.WithEmptyDirectory(out dirPath))
using (var cache = await GenerateRealmDB(dirPath))
{
List <string> keys = null;
await cache.WriteAsync(r => // This is just a cheap way to avoid "Realm accessed from incorrect thread"
{
keys = r.All <KeyValueRecord>().ToList().Select(x => x.Key).ToList();
});
dbName = dbName ?? cache.GetType().Name;
foreach (var size in PerfHelper.GetPerfRanges())
{
results[size] = await block(cache, size, keys.ToList());
}
}
}