Performance Baseline of Hitachi Data Systems UCP for Oracle
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1 Performance Baseline of Hitachi Data Systems UCP for Oracle Part I: CPU Performance Benchware Performance Suite Release 8.5 (Build ) October2013
2 Contents 1 Introduction to CPU Performance Tests 2 CPU and Server Configuration 3 Benchmark Results Basic Arithmetic Operations 4 Benchmark Results Mixed Operations with SQL built-in functions 5 Benchmark Results Algorithms 6 Reviewing CPU Benchmark Results copyright 2013 by benchware.ch slide 2
3 CPU Performance Why measure CPU performance? CPU performance has a huge impact on - performance of most database operations - Oracle license (core factor) and maintenance cost - even with Unlimited License Agreement (ULA) copyright 2013 by benchware.ch slide 3
4 CPU Performance What is measured? CPU performance from the Oracle point of view - Pure processor performance - Including level 1, 2, 3 cache - No memory access - No I/O operations Speed of single thread - Elapsed time [s] for algorithms - Operations per second [ops] Maximum throughput of system - Operations per second [ops] Scalability - Throughput per process for n = {1, 2, 4, 8,, n} Efficiency of - Multi threading - Virtualization - Encryption copyright 2013 by benchware.ch slide 4
5 CPU Performance How is CPU performance measured? Following data types are most important for Oracle applications - PLS_INTEGER - NUMBER - VARCHAR2 - DATE Benchware uses these Oracle data types in PL/SQL to measure the performance characteristics of a CPU PL/SQL is the most powerful transaction programming language Some important core applications are completely written in PL/SQL copyright 2013 by benchware.ch slide 5
6 CPU Performance Overview of CPU performance tests with Benchware test codes Oracle CPU Performance Test Code for SIMPLE_ INTEGER Test Code for SIMPLE_ FLOAT Test Code for PLS_INTEGER Test Code for NUMBER Test Code for Basic arithmetic operation CPU-11 CPU-12 CPU-13 CPU-14 - VARCHAR2 Oracle CPU Performance Mixed operations and SQL built in functions Test Code for SIMPLE_ INTEGER Test Code for SIMPLE_ FLOAT Test Code for PLS_INTEGER Test Code for NUMBER Test Code for VARCHAR2 - CPU-22 CPU-23 CPU-24 CPU-25 Oracle CPU Performance Fibonacci numbers n = {39, 40, 41, 42} Prime numbers [ , ] Test Code for SIMPLE_ INTEGER Test Code for SIMPLE_ FLOAT Test Code for PLS_INTEGER Test Code for NUMBER Test Code for VARCHAR CPU CPU-44 - Remarks: All CPU performance tests are using level 1, 2, 3 CPU cache and are therefore CPU bound. The Benchware Performance Suite uses optional encrypted tablespace to test the impact of encryption to performance. copyright 2013 by benchware.ch slide 6
7 CPU Performance Remarks on other benchmark tools... SAP, TPC, Swingbench, Hammerora, - No specific CPU performance tests with Oracle data types SPEC, CPUbench, - No specific CPU performance tests with Oracle data types Remarks: Application developers appreciate the very unique characteristics of the Oracle numeric data type NUMBER, therefore most Oracle applications use this data type as their standard numerical data type. The data type NUMBER uses a binary coded decimal implementation. This method can not be directly mapped to hardware data types and causes a lot of overhead. The performance of arithmetic operations with the data type NUMBER is therefore by factors slower than native data types like SIMPLE_INTEGER. Oracle implemented a specific software library for each processor architecture to handle numeric operations with the data type NUMBER. During our benchmarks, we experienced that the performance of the data type NUMBER does not correlate with industry standard SPEC benchmark results. copyright 2013 by benchware.ch slide 7
8 Contents 1 Introduction to CPU Performance Tests 2 CPU and Server Configuration 3 Benchmark Results Basic Arithmetic Operations 4 Benchmark Results Mixed Operations and SQL built-in functions 5 Benchmark Results Algorithms 6 Reviewing CPU Benchmark Results copyright 2013 by benchware.ch slide 8
9 CPU Performance CPU Architecture CPU Large SMP Small SMP Type Intel Xeon E Intel Xeon E Launch Date Frequency [GHz] #cores per socket 10 8 Multithreading 2-fold 2-fold Performance numbers from other Benchmarks Large SMP Small SMP SPECint_base2006 (speed) Oracle CPU speed in sys.aux_stats$ Remark: Oracle has an internal estimation about CPU speed in sys.aux_stats$, but none estimation about CPU throughput. The Oracle speed estimation does either correlate with SPECint_base2006 numbers nor with Benchware performance results in Oracle 11g Release 2. copyright 2013 by benchware.ch slide 9
10 CPU Performance Server Configuration Server Large SMP Small SMP CPU type Intel Xeon E Intel Xeon E #sockets 4 2 #cores #threads #lcpu - - Server Cost - - Performance numbers from other Benchmarks Large SMP Small SMP SPECint_rate_base2006 (throughput) 40 cores: cores: 668 Software Large SMP Small SMP Operating System Oracle Linux 6.1 RedHat Linux 6.3 Oracle Database System Benchware Performance Suite 8.5 Build Build copyright 2013 by benchware.ch slide 10
11 CPU Performance Oracle Licensing Oracle Enterprise Edition Large SMP Small SMP Oracle core license factor x 0.5 x 0.5 Oracle license cost (list price 25th of June 2013) Enterprise Edition (47 500) Partition Option (11 500) Diagnostic Pack (5 000) Tuning Pack (5 000) Total Oracle license cost copyright 2013 by benchware.ch slide 11
12 Contents 1 Introduction to CPU Performance Tests 2 CPU and Server Configuration 3 Benchmark Results Basic Arithmetic Operations 4 Benchmark Results Mixed Operations and SQL built-in functions 5 Benchmark Results Algorithms 6 Reviewing CPU Benchmark Results copyright 2013 by benchware.ch slide 12
![Speed in [Mops] CPU Performance Single process speed, arithmetic ADD operation, different Oracle data types 400 350 300 250 200](/docs-images/89/98668824/images/13-1.jpg "150 E5-2690 E7-8870 100 50 0 SIMPLE_INTEGER SIMPLE_FLOAT PLS_INTEGER NUMBER Single process copyright 2013 by benchware.")
13 Speed in [Mops] CPU Performance Single process speed, arithmetic ADD operation, different Oracle data types E E SIMPLE_INTEGER SIMPLE_FLOAT PLS_INTEGER NUMBER Single process copyright 2013 by benchware.ch slide 13
14 Throughput in [Mops] CPU Performance Maximum throughput, arithmetic ADD operation, different Oracle data types 16'000 14'000 12'000 10'000 8'000 6'000 E E '000 2'000 0 SIMPLE_INTEGER SIMPLE_FLOAT PLS_INTEGER NUMBER N processes up to cpu saturation copyright 2013 by benchware.ch slide 14
15 Throughput in [Mops] CPU Performance Oracle CPU performance: arithmetic ADD, data type SIMPLE_INTEGER 16'000 14' cores / 80 threads 12'000 10'000 8'000 6' cores / 32 threads E E '000 2' Number of processes copyright 2013 by benchware.ch slide 15
16 Intel Xeon E GHz Intel Xeon E GHz CPU Performance Oracle CPU performance: arithmetic ADD, data type SIMPLE_INTEGER CPU CPU CPU CPU Throughput Elap busy user sys idle ops/sec time Run Tst Code #N #J #T [%] [%] [%] [%] [ops] [s] CPU E CPU E CPU E CPU E CPU E CPU E CPU CPU CPU CPU Throughput Elap busy user sys idle ops/sec time Run Tst Code #N #J #T [%] [%] [%] [%] [ops] [s] CPU E CPU E CPU E CPU E CPU E CPU E CPU E CPU E Legend: #N number of RAC nodes #T number of threads (PX) [s] elapsed time in seconds #J number of jobs [ops] operations per second copyright 2013 by benchware.ch slide 16
17 Throughput in [Mops] CPU Performance Oracle CPU performance: arithmetic ADD, data type NUMBER 1'400 1' cores / 80 threads 1' cores / 32 threads E E Number of processes copyright 2013 by benchware.ch slide 17
18 Intel Xeon E GHz Intel Xeon E GHz CPU Performance Oracle CPU performance: arithmetic ADD, data type NUMBER CPU CPU CPU CPU Throughput Elap busy user sys idle ops/sec time Run Tst Code #N #J #T [%] [%] [%] [%] [ops] [s] CPU E CPU E CPU E CPU E CPU E CPU E CPU CPU CPU CPU Throughput Elap busy user sys idle ops/sec time Run Tst Code #N #J #T [%] [%] [%] [%] [ops] [s] CPU E CPU E CPU E CPU E CPU E CPU E CPU E CPU E Legend: #N number of RAC nodes #T number of threads (PX) [s] elapsed time in seconds #J number of jobs [ops] operations per second copyright 2013 by benchware.ch slide 18
19 Contents 1 Introduction to CPU Performance Tests 2 CPU and Server Configuration 3 Benchmark Results Basic Arithmetic Operations 4 Benchmark Results Mixed Operations and SQL built-in functions 5 Benchmark Results Algorithms 6 Reviewing CPU Benchmark Results copyright 2013 by benchware.ch slide 19
![Speed in [Mops] CPU Performance Single process speed, mixed SQL built-in functions, different Oracle data](/docs-images/89/98668824/images/20-1.jpg "types 3 3 2 2 E5-2690 E7-8870 1 1 0 NUMBER VARCHAR2 Single process copyright 2013 by benchware.")
20 Speed in [Mops] CPU Performance Single process speed, mixed SQL built-in functions, different Oracle data types E E NUMBER VARCHAR2 Single process copyright 2013 by benchware.ch slide 20
![Throughput in [Mops] CPU Performance Maximum throughput, mixed SQL built-in functions, different Oracle data types 50 45 40](/docs-images/89/98668824/images/21-2.jpg "35 30 25 20 E5-2690 E7-8870 15 10 5 0 NUMBER VARCHAR2 N processes up to cpu saturation copyright 2013 by benchware.")
21 Throughput in [Mops] CPU Performance Maximum throughput, mixed SQL built-in functions, different Oracle data types E E NUMBER VARCHAR2 N processes up to cpu saturation copyright 2013 by benchware.ch slide 21
22 Throughput in [kops] CPU Performance Oracle CPU performance: mixed SQL built-in functions, data type NUMBER cores / 80 threads cores / 32 threads E E Number of processes copyright 2013 by benchware.ch slide 22
23 Intel Xeon E GHz Intel Xeon E GHz CPU Performance Oracle CPU performance: mixed SQL built-in functions, data type NUMBER CPU CPU CPU CPU Throughput Elap busy user sys idle ops/sec time Run Tst Code #N #J #T [%] [%] [%] [%] [ops] [s] CPU E CPU E CPU E CPU E CPU E CPU E CPU CPU CPU CPU Throughput Elap busy user sys idle ops/sec time Run Tst Code #N #J #T [%] [%] [%] [%] [ops] [s] CPU E CPU E CPU E CPU E CPU E CPU E CPU E CPU E Legend: #N number of RAC nodes #T number of threads (PX) [s] elapsed time in seconds #J number of jobs [ops] operations per second copyright 2013 by benchware.ch slide 23
![Throughput in [Mops] CPU Performance Oracle CPU performance: mixed SQL built-in functions, data type VARCHAR2 50 45 16 cores / 32 threads 40](/docs-images/89/98668824/images/24-0.jpg "35 30 25 20 15 10 5 0 1 2 4 8 16 32 64 128 Number of processes 40 cores / 80 threads E5-2690 E7-8870 copyright 2013 by benchware.ch slide 24")
24 Throughput in [Mops] CPU Performance Oracle CPU performance: mixed SQL built-in functions, data type VARCHAR cores / 32 threads Number of processes 40 cores / 80 threads E E copyright 2013 by benchware.ch slide 24
25 Intel Xeon E GHz Intel Xeon E GHz CPU Performance Oracle CPU performance: mixed SQL built-in functions, data type VARCHAR2 CPU CPU CPU CPU Throughput Elap busy user sys idle ops/sec time Run Tst Code #N #J #T [%] [%] [%] [%] [ops] [s] CPU E CPU E CPU E CPU E CPU E CPU E CPU CPU CPU CPU Throughput Elap busy user sys idle ops/sec time Run Tst Code #N #J #T [%] [%] [%] [%] [ops] [s] CPU E CPU E CPU E CPU E CPU E CPU E CPU E CPU E Legend: #N number of RAC nodes #T number of threads (PX) [s] elapsed time in seconds #J number of jobs [ops] operations per second copyright 2013 by benchware.ch slide 25
26 Contents 1 Introduction to CPU Performance Tests 2 CPU and Server Configuration 3 Benchmark Results Basic Arithmetic Operations 4 Benchmark Results Mixed Operations and SQL built-in functions 5 Benchmark Results Algorithms 6 Reviewing CPU Benchmark Results copyright 2013 by benchware.ch slide 26
![Speed in [sec] CPU Performance Oracle CPU performance: calculation of fibonacci numbers (recursive) 100 90 80 70 60](/docs-images/89/98668824/images/27-1.jpg "50 40 E5-2690 E7-8870 30 20 10 0 n = 39 n = 40 n = 41 n = 42 Single process copyright 2013 by benchware.ch slide 27")
27 Speed in [sec] CPU Performance Oracle CPU performance: calculation of fibonacci numbers (recursive) E E n = 39 n = 40 n = 41 n = 42 Single process copyright 2013 by benchware.ch slide 27
![Speed in [sec] CPU Performance Oracle CPU](/docs-images/89/98668824/images/28-1.jpg "performance: calculation of prime numbers (recursive)")
28 Speed in [sec] CPU Performance Oracle CPU performance: calculation of prime numbers (recursive) E E [2'000'000, 2'001'000] Single process copyright 2013 by benchware.ch slide 28
29 Contents 1 Introduction to CPU Performance Tests 2 CPU and Server Configuration 3 Benchmark Results Basic Arithmetic Operations 4 Benchmark Results Mixed Operations and SQL built-in functions 5 Benchmark Results Algorithms 6 Reviewing CPU Benchmark Results copyright 2013 by benchware.ch slide 29
30 Benchmark Results Summary CPU Performance Metric Large SMP Small SMP #cores #threads Basic arithmetic ADD operation Metric Large SMP Single thread speed SIMPLE_INTEGER SIMPLE_FLOAT PLS_INTEGER NUMBER Throughput SIMPLE_INTEGER SIMPLE_FLOAT PLS_INTEGER NUMBER Legend: [Mops] million operations per second [Mops] [Mops] [Mops] [Mops] [Mops] [Mops] [Mops] [Mops] Small SMP copyright 2013 by benchware.ch slide 30
31 Benchmark Results Summary CPU Performance Metric Large SMP Small SMP #cores #threads Mixed arithmetic operations Metric Large SMP Speed SIMPLE_FLOAT PLS_INTEGER NUMBER Throughput SIMPLE_FLOAT PLS_INTEGER NUMBER [Mops] [Mops] [Mops] [Mops] [Mops] [Mops] Mixed string operation Metric Large SMP Small SMP copyright 2013 by benchware.ch slide Small SMP Speed VARCHAR2 [Mops] Throughput VARCHAR2 [Mops] 24 46
32 Benchmark Results Summary CPU Performance Metric Large SMP Small SMP #cores #threads Algorithms Metric Large SMP Speed, calculate fibonacci numbers N = 39 N = 40 N = 41 N = 42 Speed, calculate prime numbers [s] [s] [s] [s] Small SMP Interval [ , ] [s] Legend: [s] elapsed time in seconds copyright 2013 by benchware.ch slide 32
33 Benchmark Results Reviewing CPU Performance HDS offers its x86 servers with different Intel processors This benchmark compares the Oracle CPU performance on a smaller 2 socket server versus a larger 8 socket server copyright 2013 by benchware.ch slide 33
34 Benchmark Results Reviewing CPU Performance The smaller SMP server with E processor - Less Oracle license cost (factor 2.5) - More speed - Less throughput, but not factor 2.5 Final conclusion - The smaller SMP provides better price/performance ratio The larger SMP Server with E processor - Abnormal weak VARCHAR2 processing performance - Eventually PL/SQL bug in Oracle ? copyright 2013 by benchware.ch slide 34
35 swiss precision in performance measurement
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