Devin Smith devinrsmith

Cap’n Proto to Java

Note: this guide assumes Fedora, steps may be different for other OSes.

Install capnproto

sudo dnf install capnproto

$ ./build/install/classgraph-benchmark/invoke.sh
Running a classgraph benchmark focused on startup speed
For more information, see https://github.com/devinrsmith/classgraph-benchmark

classloader META-INF/maven/com.google.guava/guava/pom.xml 2 84a3ee12 17 56
real 0.10
user 0.13
sys 0.03
classgraph META-INF/maven/com.google.guava/guava/pom.xml 2 84a3ee12 122 162

p	g	x	k	m	a	b
71	33	62	31	15	62	18
23	11	6	3	10	20	22
809	3	68	89	100	345	517
17	6	5	10	13	15	9
84265675725482892459719348378630146162719620409152809167814480007059199482163	5	2799014790424892046701478888900891009403869701173893426	23517683968368899022119256606644551548285683288848885921	87521618088882658227876453	22954586883013884818653063688294540134886732496160582262267014428782771199687	56046128113101346099694619669629128017849277484825379502821514323706183544424
12658517083168187407924345155971956101250996576825115113297001855799796437288935576230034157578333666497170430505565580165565829633685607504706642034926119	7	2001688878140630728014209681954697141876038523595247208	5446024688717452254835115775456957961297236108858862823	87521618088882658227876453	2150519483988769855483983776372336742288374425191291528256965705108393490638750082340115568718132372731853110762124400441550538499580316268601341087676203	1540471266850557563382406324432354117072109094950140952195099581066490559252112349492583688225692526

p	g	x	k	m	a	b
11	3	2	2	0	9	0
23	6	7	6	9	12	6
47	24	6	16	0	34	0
83	28	29	11	34	10	76
167	88	21	69	82	42	135
359	292	11	3	272	79	79
983	368	39	253	457	489	239
1283	269	375	604	1260	940	334
2903	1697	762	133	311	2339	826

	import sys
	import jpyutil

	jpy_properties = {
	'jpy.pythonPrefix': sys.prefix,
	'jpy.programName': sys.executable,
	'jpy.pythonLib': jpyutil._find_python_dll_file(fail=True),
	'jpy.jpyLib': jpyutil._get_module_path('jpy', fail=True),
	'jpy.jdlLib': jpyutil._get_module_path('jdl', fail=True)
	}

	# https://deephaven.io
	from deephaven import agg, parquet, empty_table, merge

	# Everything pre-whiteout
	# https://www.reddit.com/r/place/comments/tzboys/the_rplace_parquet_dataset/
	place = parquet.read('2022_place_deephaven.parquet')\
	.where("k<155926002")

	# 2000 x 2000 grid
	all_pixels = empty_table(2000).view(["x1=(short)i"])\

	#
	# Copyright 2022 Deephaven Data Labs
	#
	# Licensed under the Apache License, Version 2.0 (the "License");
	# you may not use this file except in compliance with the License.
	# You may obtain a copy of the License at
	#
	# http://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing, software

	/*
	* Copyright 2022 Deephaven Data Labs
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software

	import java.util.Arrays;
	import java.util.NoSuchElementException;
	import java.util.PrimitiveIterator;
	import java.util.function.IntConsumer;

	/**
	* @author Devin Smith
	*/
	public class PermutationEncoding {