Unique strings v2

Same problem as Unique strings, but with 3 CPUs available and scoring based on wall time instead of CPU time.

Count the exact number of unique tokens as fast as possible.

Input

One token per line on STDIN:

JWXcKKaWzvFL5
Rof
3ztCpA
5wHcGN
*UiEMthaTS*g

Output

Print the exact count of unique tokens to STDOUT.

Constraints

Character set: 0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ@#%*
Maximum token length: 16
Approximately 1,000,000 unique tokens

Restrictions:20s512Mb 3 Score Packages

Feel free to create an issue if you need an extra library from the standard Ubuntu repository.

Name	Version	Description
libc6-dev	2.39-0ubuntu8.7	GNU C Library: Development Libraries and Header Files Contains the symlinks, headers, and object files needed to compile and link programs which use the standard C library.
libclang-common-14-dev	1:14.0.6-19build4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-15-dev	1:15.0.7-14build3	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-16-dev	1:16.0.6-23ubuntu4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-17-dev	1:17.0.6-9ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-18-dev	1:18.1.3-1ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-19-dev	1:19.1.1-1ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-20-dev	1:20.1.2-0ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libcrypt-dev	1:4.4.36-4build1	libcrypt development files This package contains the files needed for developing applications that use libcrypt.
libgcc-10-dev	10.5.0-4ubuntu2.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-11-dev	11.5.0-1ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-12-dev	12.4.0-2ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-13-dev	13.3.0-6ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-14-dev	14.2.0-4ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libobjc-13-dev	13.3.0-6ubuntu2~24.04.1	Runtime library for GNU Objective-C applications (development files) This package contains the headers and static library files needed to build GNU ObjC applications.
libssl-dev	3.0.13-0ubuntu3.9	Secure Sockets Layer toolkit - development files This package is part of the OpenSSL project's implementation of the SSL and TLS cryptographic protocols for secure communication over the Internet. . It contains development libraries, header files, and manpages for libssl and libcrypto.
libstdc++-10-dev	10.5.0-4ubuntu2.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-11-dev	11.5.0-1ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-12-dev	12.4.0-2ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-13-dev	13.3.0-6ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-14-dev	14.2.0-4ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libtbb-dev	2021.11.0-2ubuntu2	parallelism library for C++ - development files TBB is a library that helps you leverage multi-core processor performance without having to be a threading expert. It represents a higher-level, task-based parallelism that abstracts platform details and threading mechanism for performance and scalability. . (Note: if you are a user of the i386 architecture, i.e., 32-bit Intel or compatible hardware, this package only supports Pentium4-compatible and higher processors.) . This package includes the TBB development files.

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory	Error
1	Oct 3, 2024 23:12	0	0	0	0	0	Error: No answer to stdout. Died or killed?	stderr
2	Oct 3, 2024 22:27	4,327	129,795,294	206,274,000	3,003,000	2,355,200
3	Oct 3, 2024 22:27	4,330	129,894,497	204,325,000	3,004,000	2,367,488
4	Oct 3, 2024 22:27	4,386	131,574,223	200,587,000	6,985,000	2,695,168
5	Oct 3, 2024 22:27	4,411	132,322,209	211,492,000	3,990,000	2,572,288
6	Oct 3, 2024 22:27	4,481	134,425,999	215,105,000	6,002,000	2,314,240
7	Oct 3, 2024 22:27	4,511	135,318,095	215,237,000	5,005,000	2,666,496
8	Oct 3, 2024 22:27	4,531	135,929,314	215,757,000	3,995,000	2,609,152
9	Oct 3, 2024 22:27	4,545	136,344,817	204,712,000	4,992,000	2,654,208
10	Oct 3, 2024 23:12	4,546	136,380,544	216,960,000	5,998,000	2,596,864
11	Oct 3, 2024 22:27	4,556	136,688,856	220,762,000	2,006,000	2,605,056
12	Oct 3, 2024 22:27	4,560	136,801,550	209,474,000	5,011,000	2,596,864
13	Oct 3, 2024 23:12	4,565	136,954,043	218,245,000	4,004,000	2,359,296
14	Oct 3, 2024 23:12	4,588	137,638,104	205,657,000	5,990,000	2,355,200
15	Oct 3, 2024 22:27	4,619	138,568,458	216,319,000	3,004,000	2,654,208
16	Oct 3, 2024 22:27	4,619	138,580,834	219,666,000	5,990,000	2,609,152
17	Oct 3, 2024 22:27	4,621	138,643,720	219,562,000	6,986,000	2,670,592
18	Oct 3, 2024 23:12	4,632	138,946,810	221,563,000	3,992,000	2,600,960
19	Oct 3, 2024 22:27	4,645	139,342,746	217,919,000	3,998,000	2,670,592
20	Oct 3, 2024 22:27	4,659	139,761,557	217,127,000	5,002,000	2,351,104
21	Oct 3, 2024 22:27	4,667	139,998,679	218,897,000	4,997,000	2,596,864
22	Oct 3, 2024 22:27	4,672	140,168,564	220,079,000	5,024,000	2,351,104
23	Oct 3, 2024 23:12	4,678	140,354,430	217,615,000	5,989,000	2,596,864
24	Oct 3, 2024 23:12	4,679	140,367,677	217,589,000	5,988,000	2,715,648
25	Oct 3, 2024 22:27	4,684	140,524,918	216,969,000	4,999,000	2,592,768
26	Oct 3, 2024 22:27	4,720	141,607,177	213,469,000	5,985,000	2,568,192
27	Oct 3, 2024 22:27	4,740	142,200,700	218,763,000	4,994,000	2,666,496
28	Oct 3, 2024 22:27	4,751	142,530,571	220,347,000	4,006,000	2,756,608
29	Oct 3, 2024 22:27	4,763	142,901,952	222,708,000	4,993,000	2,375,680
30	Oct 3, 2024 22:27	5,504	165,108,260	264,570,000	5,990,000	2,404,352
31	Oct 3, 2024 22:27	5,593	167,783,842	265,936,000	4,014,000	2,498,560

Model	Intel(R) Xeon(R) CPU E3-1271 v3 @ 3.60GHz
Cores	3