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。

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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时间： 2017-09-20