diff --git a/fastserde/avro-fastserde-tests-common/src/test/java/com/linkedin/avro/fastserde/logical/types/LogicalTypesTestBase.java b/fastserde/avro-fastserde-tests-common/src/test/java/com/linkedin/avro/fastserde/logical/types/LogicalTypesTestBase.java
index 8e88eb396..2e156ae48 100644
--- a/fastserde/avro-fastserde-tests-common/src/test/java/com/linkedin/avro/fastserde/logical/types/LogicalTypesTestBase.java
+++ b/fastserde/avro-fastserde-tests-common/src/test/java/com/linkedin/avro/fastserde/logical/types/LogicalTypesTestBase.java
@@ -22,6 +22,8 @@
 import org.apache.avro.Conversions;
 import org.apache.avro.Schema;
 import org.apache.avro.data.TimeConversions;
+import org.apache.avro.generic.ColdGenericDatumReader;
+import org.apache.avro.generic.ColdSpecificDatumReader;
 import org.apache.avro.generic.GenericData;
 import org.apache.avro.generic.GenericDatumReader;
 import org.apache.avro.generic.GenericDatumWriter;
@@ -39,6 +41,7 @@
 import com.linkedin.avro.fastserde.FastDeserializer;
 import com.linkedin.avro.fastserde.FastGenericDeserializerGenerator;
 import com.linkedin.avro.fastserde.FastGenericSerializerGenerator;
+import com.linkedin.avro.fastserde.FastSerdeCache;
 import com.linkedin.avro.fastserde.FastSerializer;
 import com.linkedin.avro.fastserde.FastSpecificDeserializerGenerator;
 import com.linkedin.avro.fastserde.FastSpecificSerializerGenerator;
@@ -122,32 +125,45 @@ protected <T extends SpecificRecordBase> byte[] verifySerializers(T data,
             FunctionThrowingIOException<T, ByteBuffer> toByteBuffer) throws IOException {
         // given
         Schema schema = data.getSchema();
+        GenericData genericData = copyConversions(data.getSpecificData(), new GenericData());
+        SpecificData specificData = copyConversions(data.getSpecificData(), new SpecificData());
+
         FastSerializer<T> fastGenericSerializer = new FastGenericSerializerGenerator<T>(
-                schema, classesDir, classLoader, null, copyConversions(data.getSpecificData(), new GenericData()))
+                schema, classesDir, classLoader, null, genericData)
                 .generateSerializer();
 
         FastSerializer<T> fastSpecificSerializer = new FastSpecificSerializerGenerator<T>(
-                schema, classesDir, classLoader, null, copyConversions(data.getSpecificData(), new SpecificData()))
+                schema, classesDir, classLoader, null, specificData)
                 .generateSerializer();
 
+        FastSerdeCache.FastSerializerWithAvroGenericImpl<T> fastSerializerWithAvroGeneric =
+                new FastSerdeCache.FastSerializerWithAvroGenericImpl<>(schema, genericData);
+
+        FastSerdeCache.FastSerializerWithAvroSpecificImpl<T> fastSerializerWithAvroSpecific =
+                new FastSerdeCache.FastSerializerWithAvroSpecificImpl<>(schema, specificData);
+
         GenericDatumWriter<T> genericDatumWriter = new GenericDatumWriter<>(
-                schema, copyConversions(data.getSpecificData(), new GenericData()));
+                schema, genericData);
 
         SpecificDatumWriter<T> specificDatumWriter = new SpecificDatumWriter<>(
-                schema, copyConversions(data.getSpecificData(), new SpecificData()));
+                schema, specificData);
 
         fixConversionsIfAvro19(data.getSpecificData());
 
         // when
         byte[] fastGenericBytes = serialize(fastGenericSerializer, data);
         byte[] fastSpecificBytes = serialize(fastSpecificSerializer, data);
+        byte[] fastGenericWithAvroBytes = serialize(fastSerializerWithAvroGeneric, data);
+        byte[] fastSpecificWithAvroBytes = serialize(fastSerializerWithAvroSpecific, data);
         byte[] genericBytes = serialize(genericDatumWriter, data);
         byte[] specificBytes = serialize(specificDatumWriter, data);
         byte[] defaultBytes = toByteBuffer.apply(data).array();
 
-        // then all 5 serializing methods should return the same array of bytes
+        // then all 7 serializing methods should return the same array of bytes
         Assert.assertEquals(fastGenericBytes, defaultBytes);
         Assert.assertEquals(fastSpecificBytes, defaultBytes);
+        Assert.assertEquals(fastGenericWithAvroBytes, defaultBytes);
+        Assert.assertEquals(fastSpecificWithAvroBytes, defaultBytes);
         Assert.assertEquals(genericBytes, defaultBytes);
         Assert.assertEquals(specificBytes, defaultBytes);
 
@@ -160,35 +176,57 @@ protected <T extends SpecificRecordBase> T verifyDeserializers(byte[] bytesWithH
         T data = fromByteBuffer.apply(ByteBuffer.wrap(bytesWithHeader));
         byte[] bytes = dropV1Header(bytesWithHeader);
         Schema schema = data.getSchema();
+        GenericData genericData = copyConversions(data.getSpecificData(), new GenericData());
+        SpecificData specificData = copyConversions(data.getSpecificData(), new SpecificData());
         Supplier<Decoder> decoderSupplier = () -> DecoderFactory.get().binaryDecoder(bytes, null);
 
         FastDeserializer<GenericData.Record> fastGenericDeserializer = new FastGenericDeserializerGenerator<GenericData.Record>(
-                schema, schema, classesDir, classLoader, null, copyConversions(data.getSpecificData(), new GenericData()))
+                schema, schema, classesDir, classLoader, null, genericData)
                 .generateDeserializer();
 
         FastDeserializer<T> fastSpecificDeserializer = new FastSpecificDeserializerGenerator<T>(
-                schema, schema, classesDir, classLoader, null, copyConversions(data.getSpecificData(), new SpecificData()))
+                schema, schema, classesDir, classLoader, null, specificData)
                 .generateDeserializer();
 
-        GenericDatumReader<GenericData.Record> genericDatumReader = new GenericDatumReader<>(
-                schema, schema, copyConversions(data.getSpecificData(), new GenericData()));
+        FastSerdeCache.FastDeserializerWithAvroGenericImpl<GenericData.Record> fastDeserializerWithAvroGeneric =
+                new FastSerdeCache.FastDeserializerWithAvroGenericImpl<>(schema, schema, genericData);
+
+        FastSerdeCache.FastDeserializerWithAvroSpecificImpl<T> fastDeserializerWithAvroSpecific =
+                new FastSerdeCache.FastDeserializerWithAvroSpecificImpl<>(schema, schema, specificData);
+
+        GenericDatumReader<GenericData.Record> genericDatumReader = new GenericDatumReader<>(schema, schema, genericData);
+
+        SpecificDatumReader<T> specificDatumReader = new SpecificDatumReader<>(schema, schema, specificData);
 
-        SpecificDatumReader<T> specificDatumReader = new SpecificDatumReader<>(
-                schema, schema, copyConversions(data.getSpecificData(), new SpecificData()));
+        ColdGenericDatumReader<GenericData.Record> coldGenericDatumReader = ColdGenericDatumReader.of(schema, schema, genericData);
+
+        ColdSpecificDatumReader<T> coldSpecificDatumReader = ColdSpecificDatumReader.of(schema, schema, specificData);
 
         // when deserializing with different serializers/writers
-        GenericData.Record deserializedFastGeneric = fastGenericDeserializer.deserialize(decoderSupplier.get());
-        T deserializedFastSpecific = fastSpecificDeserializer.deserialize(decoderSupplier.get());
-        GenericData.Record deserializedGenericReader = genericDatumReader.read(null, decoderSupplier.get());
-        T deserializedSpecificReader = specificDatumReader.read(null, decoderSupplier.get());
+        GenericData.Record deserializedWithFastGeneric = fastGenericDeserializer.deserialize(decoderSupplier.get());
+        T deserializedWithFastSpecific = fastSpecificDeserializer.deserialize(decoderSupplier.get());
+
+        GenericData.Record deserializedWithFastWithAvroGeneric = fastDeserializerWithAvroGeneric.deserialize(decoderSupplier.get());
+        T deserializedWithFastWithAvroSpecific = fastDeserializerWithAvroSpecific.deserialize(decoderSupplier.get());
+
+        GenericData.Record deserializedWithGenericReader = genericDatumReader.read(null, decoderSupplier.get());
+        T deserializedWithSpecificReader = specificDatumReader.read(null, decoderSupplier.get());
+
+        GenericData.Record deserializedWithColdGenericReader = coldGenericDatumReader.read(null, decoderSupplier.get());
+        T deserializedWithColdSpecificReader = coldSpecificDatumReader.read(null, decoderSupplier.get());
 
         // then
-        Assert.assertEquals(deserializedFastSpecific, data);
-        Assert.assertEquals(deserializedSpecificReader, data);
-        assertEquals(deserializedFastGeneric, data);
-        assertEquals(deserializedGenericReader, data);
+        Assert.assertEquals(deserializedWithFastSpecific, data);
+        Assert.assertEquals(deserializedWithFastWithAvroSpecific, data);
+        Assert.assertEquals(deserializedWithSpecificReader, data);
+        Assert.assertEquals(deserializedWithColdSpecificReader, data);
+
+        assertEquals(deserializedWithFastGeneric, data);
+        assertEquals(deserializedWithFastWithAvroGeneric, data);
+        assertEquals(deserializedWithGenericReader, data);
+        assertEquals(deserializedWithColdGenericReader, data);
 
-        return deserializedFastSpecific;
+        return deserializedWithFastSpecific;
     }
 
     protected <T extends SpecificRecordBase> void assertEquals(GenericData.Record actual, T expected) throws IOException {