从Github上翻到对JSP、Thymeleaf 3、Velocity 1.7、Freemarker 2.3.23几款主流模板的性能对比，总体上看，Freemarker、Velocity、JSP在性能上差别不大，而Thymeleaf与前三者相比，在性能上存在较大的差距，因此，选择Thymeleaf作为模板引擎需要慎重。
参考：https://github.com/jreijn/spring-comparing-template-engines/issues/19
System Configuration
Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 2 Core(s) per socket: 2 Socket(s): 1 NUMA node(s): 1 Vendor ID: GenuineIntel CPU family: 6 Model: 37 Model name: Intel(R) Core(TM) i5 CPU M 430 @ 2.27GHz Stepping: 2 CPU MHz: 1199.000 CPU max MHz: 2267.0000 CPU min MHz: 1199.0000 BogoMIPS: 4522.04 Virtualization: VT-x L1d cache: 32K L1i cache: 32K L2 cache: 256K L3 cache: 3072K NUMA node0 CPU(s): 0-3
JSP
Document Path: /jsp Document Length: 8515 bytes Concurrency Level: 25 Time taken for tests: 13.003 seconds Complete requests: 25000 Failed requests: 0 Keep-Alive requests: 0 Total transferred: 218825000 bytes HTML transferred: 212875000 bytes Requests per second: 1922.59 (#/sec) (mean) Time per request: 13.003 (ms) (mean) Time per request: 0.520 (ms) (mean, across all concurrent requests) Transfer rate: 16434.05 (Kbytes/sec) received
Thymeleaf 3
Document Path: /thymeleaf Document Length: 8849 bytes Concurrency Level: 25 Time taken for tests: 23.303 seconds Complete requests: 25000 Failed requests: 0 Keep-Alive requests: 0 Total transferred: 225300000 bytes HTML transferred: 221225000 bytes Requests per second: 1072.80 (#/sec) (mean) Time per request: 23.303 (ms) (mean) Time per request: 0.932 (ms) (mean, across all concurrent requests) Transfer rate: 9441.52 (Kbytes/sec) received
Velocity 1.7
Document Path: /velocity Document Length: 8951 bytes Concurrency Level: 25 Time taken for tests: 13.200 seconds Complete requests: 25000 Failed requests: 0 Keep-Alive requests: 0 Total transferred: 227975000 bytes HTML transferred: 223775000 bytes Requests per second: 1893.92 (#/sec) (mean) Time per request: 13.200 (ms) (mean) Time per request: 0.528 (ms) (mean, across all concurrent requests) Transfer rate: 16865.88 (Kbytes/sec) received
Freemarker 2.3.23
Document Path: /freemarker Document Length: 9035 bytes Concurrency Level: 25 Time taken for tests: 12.988 seconds Complete requests: 25000 Failed requests: 0 Keep-Alive requests: 0 Total transferred: 230075000 bytes HTML transferred: 225875000 bytes Requests per second: 1924.83 (#/sec) (mean) Time per request: 12.988 (ms) (mean) Time per request: 0.520 (ms) (mean, across all concurrent requests) Transfer rate: 17299.01 (Kbytes/sec) received
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