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	1:20.1.2-0ubuntu1~24.04.2	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.

Back to listFeb 28, 2026 01:37

zielajScore: 3,130Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Feb 28, 2026 01:38	3,068	23,089,169	2,700,000	0	2,420,736
2	Feb 28, 2026 01:38	3,076	17,671,389	2,707,000	0	2,420,736
3	Feb 28, 2026 01:38	3,081	19,170,069	2,711,000	0	2,420,736
4	Feb 28, 2026 01:38	3,091	18,010,772	2,720,000	0	2,277,376
5	Feb 28, 2026 01:38	3,093	18,805,070	2,722,000	0	2,277,376
6	Feb 28, 2026 01:38	3,095	23,506,924	2,724,000	0	2,416,640
7	Feb 28, 2026 01:38	3,105	23,438,648	2,732,000	0	2,412,544
8	Feb 28, 2026 01:38	3,107	21,725,636	2,734,000	0	2,416,640
9	Feb 28, 2026 01:32	3,109	20,910,764	2,736,000	0	2,424,832
10	Feb 28, 2026 01:38	3,113	22,298,545	2,739,000	0	2,420,736
11	Feb 28, 2026 01:37	3,120	17,199,240	2,746,000	0	2,535,424
12	Feb 28, 2026 01:37	3,122	16,336,754	2,747,000	0	2,277,376
13	Feb 28, 2026 01:32	3,123	19,798,828	2,748,000	0	2,424,832
14	Feb 28, 2026 01:38	3,123	16,287,106	2,748,000	0	2,428,928
15	Feb 28, 2026 01:32	3,124	21,544,205	2,749,000	0	2,420,736
16	Feb 28, 2026 01:32	3,128	16,134,953	2,753,000	0	2,428,928
17	Feb 28, 2026 01:38	3,130	22,400,480	2,754,000	0	2,424,832
18	Feb 28, 2026 01:37	3,134	24,667,564	2,758,000	0	2,420,736
19	Feb 28, 2026 01:32	3,157	22,907,469	2,778,000	0	2,412,544
20	Feb 28, 2026 01:38	3,169	18,253,922	2,789,000	0	2,420,736
21	Feb 28, 2026 01:38	3,210	18,744,356	2,825,000	0	2,420,736
22	Feb 28, 2026 01:38	3,274	18,556,074	1,921,000	960,000	2,420,736
23	Feb 28, 2026 01:38	3,276	19,257,067	1,922,000	961,000	2,420,736
24	Feb 28, 2026 01:32	3,301	18,118,353	1,937,000	968,000	2,416,640
25	Feb 28, 2026 01:38	3,302	22,760,868	2,906,000	0	2,535,424
26	Feb 28, 2026 01:37	3,308	19,077,188	1,941,000	970,000	2,535,424
27	Feb 28, 2026 01:32	3,317	19,379,980	1,946,000	973,000	2,420,736
28	Feb 28, 2026 01:38	3,320	20,809,272	1,948,000	974,000	2,420,736
29	Feb 28, 2026 01:32	3,342	18,374,530	1,961,000	980,000	2,535,424
30	Feb 28, 2026 01:37	3,567	18,387,940	2,093,000	1,046,000	2,420,736
31	Feb 28, 2026 01:37	3,610	20,797,210	2,118,000	1,059,000	2,416,640
32	Feb 28, 2026 01:38	3,727	16,698,333	2,187,000	1,093,000	2,424,832
33	Feb 28, 2026 01:32	3,781	17,423,823	3,327,000	0	2,535,424

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