leerho opened a new issue, #185:
URL: https://github.com/apache/datasketches-go/issues/185

   The HLL "*.sk" files of the same type created by the different languages 
should be identical.  In my testing so far the images generated by C++ and Java 
are identical. The Go HLL_6 images are identical for n = 0, 1, 100, but fail 
starting with n = 1000.  I suspect that is just after the transition from 
sparse mode to dense mode.  The same failure occurs when comparing C++ to Go, 
or Java to Go.
   
   My test output follows: 
   CLB = Cross-Language Binary
   
   [RemoteTestNG] detected TestNG version 7.12.0
   PASSED: CLB: hll4_n0_cpp.sk vs hll4_n0_java.sk, HllType: hll4, n: 0
   PASSED: CLB: hll4_n1_cpp.sk vs hll4_n1_java.sk, HllType: hll4, n: 1
   PASSED: CLB: hll4_n10_cpp.sk vs hll4_n10_java.sk, HllType: hll4, n: 10
   PASSED: CLB: hll4_n100_cpp.sk vs hll4_n100_java.sk, HllType: hll4, n: 100
   PASSED: CLB: hll4_n1000_cpp.sk vs hll4_n1000_java.sk, HllType: hll4, n: 1000
   PASSED: CLB: hll4_n10000_cpp.sk vs hll4_n10000_java.sk, HllType: hll4, n: 
10000
   PASSED: CLB: hll4_n100000_cpp.sk vs hll4_n100000_java.sk, HllType: hll4, n: 
100000
   PASSED: CLB: hll4_n1000000_cpp.sk vs hll4_n1000000_java.sk, HllType: hll4, 
n: 1000000
   PASSED: CLB: hll6_n0_cpp.sk vs hll6_n0_java.sk, HllType: hll6, n: 0
   PASSED: CLB: hll6_n1_cpp.sk vs hll6_n1_java.sk, HllType: hll6, n: 1
   PASSED: CLB: hll6_n10_cpp.sk vs hll6_n10_java.sk, HllType: hll6, n: 10
   PASSED: CLB: hll6_n100_cpp.sk vs hll6_n100_java.sk, HllType: hll6, n: 100
   PASSED: CLB: hll6_n1000_cpp.sk vs hll6_n1000_java.sk, HllType: hll6, n: 1000
   PASSED: CLB: hll6_n10000_cpp.sk vs hll6_n10000_java.sk, HllType: hll6, n: 
10000
   PASSED: CLB: hll6_n100000_cpp.sk vs hll6_n100000_java.sk, HllType: hll6, n: 
100000
   PASSED: CLB: hll6_n1000000_cpp.sk vs hll6_n1000000_java.sk, HllType: hll6, 
n: 1000000
   PASSED: CLB: hll8_n0_cpp.sk vs hll8_n0_java.sk, HllType: hll8, n: 0
   PASSED: CLB: hll8_n1_cpp.sk vs hll8_n1_java.sk, HllType: hll8, n: 1
   PASSED: CLB: hll8_n10_cpp.sk vs hll8_n10_java.sk, HllType: hll8, n: 10
   PASSED: CLB: hll8_n100_cpp.sk vs hll8_n100_java.sk, HllType: hll8, n: 100
   PASSED: CLB: hll8_n1000_cpp.sk vs hll8_n1000_java.sk, HllType: hll8, n: 1000
   PASSED: CLB: hll8_n10000_cpp.sk vs hll8_n10000_java.sk, HllType: hll8, n: 
10000
   PASSED: CLB: hll8_n100000_cpp.sk vs hll8_n100000_java.sk, HllType: hll8, n: 
100000
   PASSED: CLB: hll8_n1000000_cpp.sk vs hll8_n1000000_java.sk, HllType: hll8, 
n: 1000000
   PASSED: CLB: hll4_n0_go.sk vs hll4_n0_java.sk, HllType: hll4, n: 0
   PASSED: CLB: hll4_n1_go.sk vs hll4_n1_java.sk, HllType: hll4, n: 1
   PASSED: CLB: hll4_n10_go.sk vs hll4_n10_java.sk, HllType: hll4, n: 10
   PASSED: CLB: hll4_n100_go.sk vs hll4_n100_java.sk, HllType: hll4, n: 100
   PASSED: CLB: hll4_n1000_go.sk vs hll4_n1000_java.sk, HllType: hll4, n: 1000
   PASSED: CLB: hll4_n10000_go.sk vs hll4_n10000_java.sk, HllType: hll4, n: 
10000
   PASSED: CLB: hll4_n100000_go.sk vs hll4_n100000_java.sk, HllType: hll4, n: 
100000
   PASSED: CLB: hll4_n1000000_go.sk vs hll4_n1000000_java.sk, HllType: hll4, n: 
1000000
   PASSED: CLB: hll6_n0_go.sk vs hll6_n0_java.sk, HllType: hll6, n: 0
   PASSED: CLB: hll6_n1_go.sk vs hll6_n1_java.sk, HllType: hll6, n: 1
   PASSED: CLB: hll6_n10_go.sk vs hll6_n10_java.sk, HllType: hll6, n: 10
   PASSED: CLB: hll6_n100_go.sk vs hll6_n100_java.sk, HllType: hll6, n: 100  <- 
note the go vs java HLL6 test threw after n=100
   PASSED: CLB: hll4_n0_go.sk vs hll4_n0_cpp.sk, HllType: hll4, n: 0
   PASSED: CLB: hll4_n1_go.sk vs hll4_n1_cpp.sk, HllType: hll4, n: 1
   PASSED: CLB: hll4_n10_go.sk vs hll4_n10_cpp.sk, HllType: hll4, n: 10
   PASSED: CLB: hll4_n100_go.sk vs hll4_n100_cpp.sk, HllType: hll4, n: 100
   PASSED: CLB: hll4_n1000_go.sk vs hll4_n1000_cpp.sk, HllType: hll4, n: 1000
   PASSED: CLB: hll4_n10000_go.sk vs hll4_n10000_cpp.sk, HllType: hll4, n: 10000
   PASSED: CLB: hll4_n100000_go.sk vs hll4_n100000_cpp.sk, HllType: hll4, n: 
100000
   PASSED: CLB: hll4_n1000000_go.sk vs hll4_n1000000_cpp.sk, HllType: hll4, n: 
1000000
   PASSED: CLB: hll6_n0_go.sk vs hll6_n0_cpp.sk, HllType: hll6, n: 0
   PASSED: CLB: hll6_n1_go.sk vs hll6_n1_cpp.sk, HllType: hll6, n: 1
   PASSED: CLB: hll6_n10_go.sk vs hll6_n10_cpp.sk, HllType: hll6, n: 10
   PASSED: CLB: hll6_n100_go.sk vs hll6_n100_cpp.sk, HllType: hll6, n: 100 <- 
note the go vs cpp HLL6 test threw after n=100
   PASSED: org.apache.datasketches.hll.HllSketchCrossLanguageTest.checkBinaries1
   PASSED: 
org.apache.datasketches.hll.HllSketchCrossLanguageTest.generateBinariesForCompatibilityTesting
   PASSED: org.apache.datasketches.hll.HllSketchCrossLanguageTest.checkGo
   PASSED: org.apache.datasketches.hll.HllSketchCrossLanguageTest.checkJava
   PASSED: org.apache.datasketches.hll.HllSketchCrossLanguageTest.checkCpp
   FAILED: org.apache.datasketches.hll.HllSketchCrossLanguageTest.checkBinaries2
   org.apache.datasketches.common.SketchesArgumentException: CLB: 
hll6_n1000_go.sk vs hll6_n1000_java.sk, HllType: hll6, n: 1000
   java.lang.AssertionError: arrays differ firstly at element [5]; expected 
value is <8> but was <0>. 
        at 
org.apache.datasketches.hll.HllSketchCrossLanguageTest.deserializeHll_crossBinary(HllSketchCrossLanguageTest.java:115)
        at 
org.apache.datasketches.hll.HllSketchCrossLanguageTest.checkBinaries2(HllSketchCrossLanguageTest.java:93)
        at 
java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
        at java.base/java.lang.reflect.Method.invoke(Method.java:565)
        at 
org.testng.internal.invokers.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:141)
        at 
org.testng.internal.invokers.TestInvoker.invokeMethod(TestInvoker.java:697)
        at 
org.testng.internal.invokers.TestInvoker.invokeTestMethod(TestInvoker.java:230)
        at 
org.testng.internal.invokers.MethodRunner.runInSequence(MethodRunner.java:63)
        at 
org.testng.internal.invokers.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:1005)
        at 
org.testng.internal.invokers.TestInvoker.invokeTestMethods(TestInvoker.java:203)
        at 
org.testng.internal.invokers.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:154)
        at 
org.testng.internal.invokers.TestMethodWorker.run(TestMethodWorker.java:134)
        at java.base/java.util.ArrayList.forEach(ArrayList.java:1604)
        at org.testng.TestRunner.privateRun(TestRunner.java:744)
        at org.testng.TestRunner.run(TestRunner.java:616)
        at org.testng.SuiteRunner.runTest(SuiteRunner.java:421)
        at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:413)
        at org.testng.SuiteRunner.privateRun(SuiteRunner.java:373)
        at org.testng.SuiteRunner.run(SuiteRunner.java:312)
        at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
        at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:95)
        at org.testng.TestNG.runSuitesSequentially(TestNG.java:1274)
        at org.testng.TestNG.runSuitesLocally(TestNG.java:1208)
        at org.testng.TestNG.runSuites(TestNG.java:1112)
        at org.testng.TestNG.run(TestNG.java:1079)
        at 
org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
        at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:293)
        at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:91)
   
   FAILED: org.apache.datasketches.hll.HllSketchCrossLanguageTest.checkBinaries3
   org.apache.datasketches.common.SketchesArgumentException: CLB: 
hll6_n1000_go.sk vs hll6_n1000_cpp.sk, HllType: hll6, n: 1000
   java.lang.AssertionError: arrays differ firstly at element [5]; expected 
value is <8> but was <0>. 
        at 
org.apache.datasketches.hll.HllSketchCrossLanguageTest.deserializeHll_crossBinary(HllSketchCrossLanguageTest.java:115)
        at 
org.apache.datasketches.hll.HllSketchCrossLanguageTest.checkBinaries3(HllSketchCrossLanguageTest.java:98)
        at 
java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
        at java.base/java.lang.reflect.Method.invoke(Method.java:565)
        at 
org.testng.internal.invokers.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:141)
        at 
org.testng.internal.invokers.TestInvoker.invokeMethod(TestInvoker.java:697)
        at 
org.testng.internal.invokers.TestInvoker.invokeTestMethod(TestInvoker.java:230)
        at 
org.testng.internal.invokers.MethodRunner.runInSequence(MethodRunner.java:63)
        at 
org.testng.internal.invokers.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:1005)
        at 
org.testng.internal.invokers.TestInvoker.invokeTestMethods(TestInvoker.java:203)
        at 
org.testng.internal.invokers.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:154)
        at 
org.testng.internal.invokers.TestMethodWorker.run(TestMethodWorker.java:134)
        at java.base/java.util.ArrayList.forEach(ArrayList.java:1604)
        at org.testng.TestRunner.privateRun(TestRunner.java:744)
        at org.testng.TestRunner.run(TestRunner.java:616)
        at org.testng.SuiteRunner.runTest(SuiteRunner.java:421)
        at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:413)
        at org.testng.SuiteRunner.privateRun(SuiteRunner.java:373)
        at org.testng.SuiteRunner.run(SuiteRunner.java:312)
        at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
        at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:95)
        at org.testng.TestNG.runSuitesSequentially(TestNG.java:1274)
        at org.testng.TestNG.runSuitesLocally(TestNG.java:1208)
        at org.testng.TestNG.runSuites(TestNG.java:1112)
        at org.testng.TestNG.run(TestNG.java:1079)
        at 
org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
        at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:293)
        at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:91)
   
   
   ===============================================
       Default test
       Tests run: 7, Failures: 2, Skips: 0
   ===============================================
   
   


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