[GR-71468] Improve host proxy performance.

[graalvmbot]

• Add host proxy benchmarks.
• Improve performance of polyglot proxy interfaces like ProxyArray.

Single-Context before:
Benchmark                              Mode  Cnt          Score          Error  Units
HostProxyBenchmark.arrayGetSize       thrpt   10  237641626.099 ± 11531995.981  ops/s
HostProxyBenchmark.arrayRead          thrpt   10   99983751.157 ±   253307.401  ops/s
HostProxyBenchmark.arrayWrite         thrpt   10   50362513.221 ±   135705.133  ops/s
HostProxyBenchmark.executableExecute  thrpt   10   26688684.412 ±   109379.082  ops/s
HostProxyBenchmark.objectGetKeys      thrpt   10    2309834.516 ±     6003.637  ops/s
HostProxyBenchmark.objectGetMember    thrpt   10   49441347.588 ±   170923.664  ops/s
HostProxyBenchmark.objectHasMember    thrpt   10  136223480.172 ±   339039.123  ops/s
HostProxyBenchmark.objectPutMember    thrpt   10   57746670.074 ±   310909.144  ops/s

Single-Context after:
Benchmark                              Mode  Cnt            Score            Error  Units Improvement
HostProxyBenchmark.arrayGetSize       thrpt   10  17755957649.174 ± 1212149716.378  ops/s 74x
HostProxyBenchmark.arrayRead          thrpt   10    905320880.972 ±    4665748.268  ops/s 9x
HostProxyBenchmark.arrayWrite         thrpt   10    135386797.372 ±    6201195.107  ops/s 2.6x
HostProxyBenchmark.executableExecute  thrpt   10    121310621.014 ±    1121982.931  ops/s 4.5x
HostProxyBenchmark.objectGetKeys      thrpt   10  16640468481.865 ±  667865621.351  ops/s 7000x
HostProxyBenchmark.objectGetMember    thrpt   10    360456442.376 ±   15103381.641  ops/s 7.3x
HostProxyBenchmark.objectHasMember    thrpt   10    921759331.422 ±   26825795.804  ops/s 6.7x
HostProxyBenchmark.objectPutMember    thrpt   10    137347870.350 ±    2646484.090  ops/s 2.3x


Multi-Context before:
Benchmark                              Mode  Cnt          Score         Error  Units
HostProxyBenchmark.arrayGetSize       thrpt   10  225224453.562 ± 1532998.655  ops/s
HostProxyBenchmark.arrayRead          thrpt   10   98286976.408 ± 4827444.535  ops/s
HostProxyBenchmark.arrayWrite         thrpt   10   56628943.925 ±  211262.959  ops/s
HostProxyBenchmark.executableExecute  thrpt   10   29381811.120 ±  281146.935  ops/s
HostProxyBenchmark.objectGetKeys      thrpt   10    2246573.283 ±   84596.352  ops/s
HostProxyBenchmark.objectGetMember    thrpt   10   49337730.387 ±  223935.072  ops/s
HostProxyBenchmark.objectHasMember    thrpt   10  135262896.980 ± 6478288.813  ops/s
HostProxyBenchmark.objectPutMember    thrpt   10   58142042.556 ±  179694.168  ops/s


Multi-Context after:
Benchmark                              Mode  Cnt            Score            Error  Units
HostProxyBenchmark.arrayGetSize       thrpt   10  17016167551.281 ± 1736734482.050  ops/s 75x
HostProxyBenchmark.arrayRead          thrpt   10    748849512.393 ±   13583938.953  ops/s 7.6x
HostProxyBenchmark.arrayWrite         thrpt   10    133899643.563 ±    1949201.172  ops/s 2.3x
HostProxyBenchmark.executableExecute  thrpt   10    119321419.630 ±    5321548.359  ops/s 4x
HostProxyBenchmark.objectGetKeys      thrpt   10  17035546494.641 ±   45640248.392  ops/s 7500x
HostProxyBenchmark.objectGetMember    thrpt   10    406062143.108 ±   19219001.700  ops/s 8.2x
HostProxyBenchmark.objectHasMember    thrpt   10    890628733.645 ±   24473582.077  ops/s 6.5x
HostProxyBenchmark.objectPutMember    thrpt   10    137578047.032 ±    1896290.155  ops/s 2.3x

Benchmark workload Reproxy:

Total Time Before: 77244ms
Total Time After:  38427ms 2x

Total runtime from: https://github.com/JohnTortugo/Reproxy/tree/main/src/main/java/com/jtortugo/reproxy
(no changes)

[JohnTortugo]

Some minor comments / questions