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 9, 2026 02:24

zielajScore: 3,334Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Feb 9, 2026 02:14	3,298	19,518,292	1,935,000	967,000	2,506,752
2	Feb 9, 2026 02:16	3,308	19,322,448	1,941,000	970,000	2,527,232
3	Feb 9, 2026 01:26	3,310	22,193,192	2,913,000	0	2,375,680
4	Feb 9, 2026 01:26	3,317	19,294,951	1,946,000	973,000	2,527,232
5	Feb 9, 2026 01:26	3,317	16,156,418	1,946,000	973,000	2,379,776
6	Feb 9, 2026 02:18	3,317	19,570,550	2,919,000	0	2,506,752
7	Feb 9, 2026 01:26	3,318	15,618,742	1,947,000	973,000	2,379,776
8	Feb 9, 2026 01:25	3,319	21,143,875	2,921,000	0	2,379,776
9	Feb 9, 2026 02:18	3,322	18,065,518	1,949,000	974,000	2,379,776
10	Feb 9, 2026 01:26	3,323	24,526,420	2,924,000	0	2,379,776
11	Feb 9, 2026 02:14	3,323	22,103,247	2,924,000	0	2,371,584
12	Feb 9, 2026 01:26	3,324	20,716,535	1,950,000	975,000	2,527,232
13	Feb 9, 2026 02:18	3,324	20,150,817	1,950,000	975,000	2,383,872
14	Feb 9, 2026 01:29	3,324	24,376,649	1,950,000	975,000	2,375,680
15	Feb 9, 2026 02:25	3,324	18,519,012	1,950,000	975,000	2,379,776
16	Feb 9, 2026 02:24	3,325	21,121,637	1,951,000	975,000	2,371,584
17	Feb 9, 2026 02:18	3,327	20,829,256	1,952,000	976,000	2,379,776
18	Feb 9, 2026 01:25	3,327	18,402,476	1,952,000	976,000	2,379,776
19	Feb 9, 2026 02:25	3,331	18,385,404	1,954,000	977,000	2,375,680
20	Feb 9, 2026 02:18	3,331	20,077,964	1,954,000	977,000	2,535,424
21	Feb 9, 2026 01:26	3,331	18,722,094	1,954,000	977,000	2,383,872
22	Feb 9, 2026 02:16	3,334	17,129,063	1,956,000	978,000	2,527,232
23	Feb 9, 2026 02:16	3,335	20,182,241	2,935,000	0	2,379,776
24	Feb 9, 2026 02:26	3,335	21,196,786	1,957,000	978,000	2,535,424
25	Feb 9, 2026 01:26	3,335	22,708,554	2,935,000	0	2,379,776
26	Feb 9, 2026 02:18	3,366	18,394,753	1,975,000	987,000	2,375,680
27	Feb 9, 2026 02:14	3,386	17,946,597	1,987,000	993,000	2,277,376
28	Feb 9, 2026 02:18	3,406	17,850,766	1,998,000	999,000	2,383,872
29	Feb 9, 2026 02:18	3,409	20,271,740	2,000,000	1,000,000	2,277,376
30	Feb 9, 2026 02:18	3,420	18,392,327	2,007,000	1,003,000	2,379,776
31	Feb 9, 2026 01:29	3,427	17,387,206	1,005,000	2,011,000	2,379,776
32	Feb 9, 2026 01:30	3,436	17,086,542	1,008,000	2,016,000	2,277,376
33	Feb 9, 2026 02:26	3,440	22,471,567	2,018,000	1,009,000	2,379,776
34	Feb 9, 2026 01:30	3,465	20,043,464	2,033,000	1,016,000	2,383,872
35	Feb 9, 2026 01:30	3,489	18,213,788	2,047,000	1,023,000	2,375,680
36	Feb 9, 2026 02:26	4,078	19,776,013	3,589,000	0	2,375,680
37	Feb 9, 2026 01:26	4,091	19,453,107	3,600,000	0	2,531,328
38	Feb 9, 2026 02:25	4,103	19,123,702	3,611,000	0	2,375,680
39	Feb 9, 2026 02:24	4,166	18,155,588	3,666,000	0	2,527,232
40	Feb 9, 2026 01:29	4,193	22,151,557	2,460,000	1,230,000	2,375,680
41	Feb 9, 2026 01:25	4,235	20,819,602	3,727,000	0	2,379,776
42	Feb 9, 2026 02:24	4,278	18,037,141	3,765,000	0	2,371,584

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