Sum of prime numbers

Compute the sum of all prime numbers in a stream of binary integers as fast as possible.

Input: 1 000 000 uint32 values in little-endian binary on STDIN (4 bytes each).

Output: The uint64 sum of all values that are prime, printed as a decimal string.

Restrictions:30s256Mb 1 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	1:20.1.2-0ubuntu1~24.04.3	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	3.0.13-0ubuntu3.11	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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zielaj

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Challenge History

Date	Challenger	Cost	Type	Status
May 17, 2026 06:38	M-Rochat	10.00	Custom	Solution Broken

Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory	Error
1	May 17, 2026 06:38	0	8,257,555	1,014,000	0	2,113,536	expected "6442459076 ", got "2305422362 "
2	May 17, 2026 06:38	0	10,340,126	1,000,000	0	2,113,536	expected "6442459076 ", got "2305422362 "
3	May 17, 2026 06:38	0	8,324,403	1,096,000	0	2,113,536	expected "6442459076 ", got "2305422362 "
4	Feb 9, 2026 02:15	3,315	19,443,389	1,945,000	972,000	2,392,064
5	Feb 9, 2026 03:21	3,318	23,546,125	1,947,000	973,000	2,535,424
6	Feb 9, 2026 02:57	3,325	23,769,066	1,951,000	975,000	2,387,968
7	Feb 9, 2026 02:14	3,327	24,524,064	1,952,000	976,000	2,387,968
8	Feb 9, 2026 03:21	3,334	18,228,631	1,956,000	978,000	2,392,064
9	Feb 9, 2026 03:21	3,350	24,684,484	2,948,000	0	2,387,968
10	Feb 9, 2026 02:15	3,355	18,607,093	1,968,000	984,000	2,387,968
11	Feb 9, 2026 02:57	3,372	17,220,684	1,978,000	989,000	2,392,064
12	Feb 9, 2026 03:21	3,399	19,597,933	1,994,000	997,000	2,392,064
13	Feb 9, 2026 12:37	3,400	18,732,490	1,995,000	997,000	2,392,064
14	Feb 9, 2026 12:37	3,400	20,267,861	1,995,000	997,000	2,277,376
15	Feb 9, 2026 03:21	3,410	20,149,243	2,001,000	1,000,000	2,387,968
16	Feb 9, 2026 02:12	3,410	22,384,069	2,001,000	1,000,000	2,277,376
17	Feb 9, 2026 02:14	3,413	18,503,652	2,002,000	1,001,000	2,387,968
18	Feb 9, 2026 12:37	3,414	15,258,111	1,001,000	2,003,000	2,433,024
19	Feb 9, 2026 03:21	3,416	18,826,564	2,004,000	1,002,000	2,387,968
20	Feb 9, 2026 02:12	3,419	16,035,002	2,006,000	1,003,000	2,383,872
21	Feb 10, 2026 03:50	3,426	22,263,727	1,005,000	2,010,000	2,383,872
22	Feb 9, 2026 12:37	3,427	17,369,972	2,011,000	1,005,000	2,396,160
23	Feb 9, 2026 03:21	3,430	21,121,459	2,012,000	1,006,000	2,396,160
24	Feb 9, 2026 12:37	3,431	15,755,080	2,013,000	1,006,000	2,383,872
25	Feb 9, 2026 12:37	3,431	17,536,450	1,006,000	2,013,000	2,277,376
26	Feb 10, 2026 03:50	3,434	24,601,863	2,015,000	1,007,000	2,379,776
27	Feb 9, 2026 02:57	3,438	18,162,519	2,017,000	1,008,000	2,510,848
28	Feb 9, 2026 03:21	3,448	18,464,063	1,011,000	2,023,000	2,392,064
29	Feb 9, 2026 02:15	3,457	16,568,428	2,028,000	1,014,000	2,277,376
30	Feb 9, 2026 03:21	3,472	19,309,530	2,037,000	1,018,000	2,277,376
31	Feb 9, 2026 02:12	3,472	18,556,378	1,018,000	2,037,000	2,392,064
32	Feb 10, 2026 03:50	4,156	21,638,956	3,657,000	0	2,387,968
33	Feb 9, 2026 02:14	4,243	23,431,615	3,734,000	0	2,392,064

Model	Intel(R) Xeon(R) CPU E3-1271 v3 @ 3.60GHz
Cores	1