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 05:11	M-Rochat	10.00	Custom	Solution Broken

Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory	Error
1	May 17, 2026 05:11	0	8,278,682	1,073,000	0	2,113,536	expected "6442459076 ", got "2305422681 "
2	May 17, 2026 05:11	0	9,947,736	1,058,000	0	2,113,536	expected "6442459076 ", got "2305422681 "
3	May 17, 2026 05:11	0	9,569,941	1,054,000	0	2,113,536	expected "6442459076 ", got "2305422681 "
4	Mar 8, 2026 16:59	2,931	15,673,958	2,579,000	0	2,445,312
5	Mar 8, 2026 18:20	2,942	18,072,798	2,589,000	0	2,445,312
6	Mar 8, 2026 16:58	2,959	19,512,912	2,604,000	0	2,445,312
7	Mar 8, 2026 20:14	2,961	19,716,832	2,606,000	0	2,445,312
8	Mar 8, 2026 20:14	2,966	18,662,158	2,610,000	0	2,265,088
9	Mar 8, 2026 16:59	2,967	19,848,239	2,611,000	0	2,445,312
10	Mar 8, 2026 16:58	2,974	18,909,318	2,617,000	0	2,437,120
11	Mar 8, 2026 16:59	2,980	17,361,514	2,622,000	0	2,445,312
12	Mar 8, 2026 20:14	2,982	17,995,868	2,624,000	0	2,527,232
13	Mar 8, 2026 20:14	2,988	20,755,947	2,629,000	0	2,441,216
14	Mar 8, 2026 20:14	2,988	18,755,980	2,629,000	0	2,531,328
15	Mar 8, 2026 16:59	2,993	18,544,981	2,634,000	0	2,445,312
16	Mar 8, 2026 18:19	2,995	18,906,638	2,636,000	0	2,265,088
17	Mar 8, 2026 18:20	2,995	17,962,176	2,636,000	0	2,449,408
18	Mar 8, 2026 20:14	2,998	17,972,807	2,638,000	0	2,441,216
19	Mar 8, 2026 18:19	3,000	18,061,506	2,640,000	0	2,441,216
20	Mar 8, 2026 16:59	3,000	18,285,597	2,640,000	0	2,445,312
21	Mar 8, 2026 20:14	3,011	18,413,517	2,650,000	0	2,527,232
22	Mar 8, 2026 18:19	3,017	16,875,416	2,655,000	0	2,527,232
23	Mar 8, 2026 20:14	3,025	21,851,985	2,662,000	0	2,531,328
24	Mar 8, 2026 16:59	3,027	16,778,100	2,664,000	0	2,441,216
25	Mar 8, 2026 18:20	3,067	18,617,550	2,699,000	0	2,531,328
26	Mar 8, 2026 18:19	3,068	17,939,736	2,700,000	0	2,531,328
27	Mar 8, 2026 20:14	3,089	18,263,438	2,718,000	0	2,445,312
28	Mar 8, 2026 18:19	3,103	23,239,542	2,731,000	0	2,445,312
29	Mar 8, 2026 20:14	3,116	16,581,398	2,742,000	0	2,527,232
30	Mar 8, 2026 18:19	3,124	19,788,668	2,749,000	0	2,453,504
31	Mar 8, 2026 20:14	3,134	23,585,764	2,758,000	0	2,441,216
32	Mar 8, 2026 16:59	3,189	20,479,580	2,806,000	0	2,265,088
33	Mar 8, 2026 18:20	3,199	17,390,015	2,815,000	0	2,441,216
34	Mar 8, 2026 18:20	3,450	18,033,550	2,024,000	1,012,000	2,437,120
35	Mar 8, 2026 20:14	3,477	24,007,633	2,040,000	1,020,000	2,441,216
36	Mar 8, 2026 16:59	3,536	18,923,757	2,075,000	1,037,000	2,437,120
37	Mar 8, 2026 18:20	3,556	18,557,409	2,086,000	1,043,000	2,437,120
38	Mar 8, 2026 16:59	3,576	22,021,091	2,098,000	1,049,000	2,441,216
39	Mar 8, 2026 16:58	3,678	23,656,825	2,158,000	1,079,000	2,445,312

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