Count uint8

Count the number of bytes equal to 127 in a binary stream as fast as possible.

Input: 250 000 000 uint8 values in binary on STDIN.

Output: The count of elements equal to 127, printed as a decimal string.

Restrictions:30s512Mb 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 listJul 19, 2024 14:32

Matt Stuchlik

Score: 5,032

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 19, 2024 14:26	4,983	32,172,486	13,952,000	1,993,000	2,289,664
2	Jul 19, 2024 14:27	4,992	42,709,247	14,976,000	998,000	2,289,664
3	Jul 19, 2024 14:26	4,994	36,716,714	13,985,000	1,997,000	2,289,664
4	Jul 19, 2024 14:27	4,997	41,625,030	13,992,000	1,998,000	2,289,664
5	Jul 19, 2024 14:32	4,999	39,065,483	13,997,000	1,999,000	2,273,280
6	Jul 19, 2024 14:26	4,999	37,900,052	13,999,000	1,999,000	2,289,664
7	Jul 19, 2024 14:26	5,003	42,291,566	14,009,000	2,001,000	2,289,664
8	Jul 19, 2024 14:27	5,004	38,974,533	14,012,000	2,001,000	2,273,280
9	Jul 19, 2024 14:27	5,008	41,182,027	14,022,000	2,003,000	2,289,664
10	Jul 19, 2024 14:27	5,008	37,931,637	14,022,000	2,003,000	2,273,280
11	Jul 19, 2024 14:32	5,011	38,364,209	14,032,000	2,004,000	2,527,232
12	Jul 19, 2024 14:26	5,013	32,720,281	14,035,000	2,005,000	2,523,136
13	Jul 19, 2024 14:32	5,013	34,441,491	14,037,000	2,005,000	2,289,664
14	Jul 19, 2024 14:26	5,021	40,954,279	14,060,000	2,008,000	2,289,664
15	Jul 19, 2024 14:27	5,024	34,891,488	15,072,000	1,004,000	2,285,568
16	Jul 19, 2024 14:32	5,025	37,706,825	14,070,000	2,010,000	2,265,088
17	Jul 19, 2024 14:32	5,029	35,688,096	14,082,000	2,011,000	2,289,664
18	Jul 19, 2024 14:27	5,031	31,972,435	15,094,000	1,006,000	2,289,664
19	Jul 19, 2024 14:27	5,032	42,668,639	14,090,000	2,012,000	2,289,664
20	Jul 19, 2024 14:26	5,037	32,218,625	14,104,000	2,014,000	2,523,136
21	Jul 19, 2024 14:26	5,048	39,423,373	15,143,000	1,009,000	2,289,664
22	Jul 19, 2024 14:32	5,050	34,354,129	14,141,000	2,020,000	2,265,088
23	Jul 19, 2024 14:32	5,051	37,681,479	14,144,000	2,020,000	2,289,664
24	Jul 19, 2024 14:32	5,051	45,442,490	15,153,000	1,010,000	2,265,088
25	Jul 19, 2024 14:26	5,053	33,306,928	14,150,000	2,021,000	2,269,184
26	Jul 19, 2024 14:32	5,056	36,609,664	14,157,000	2,022,000	2,273,280
27	Jul 19, 2024 14:27	5,056	34,890,408	14,157,000	2,022,000	2,359,296
28	Jul 19, 2024 14:27	5,242	86,214,503	16,773,151	0	2,297,856
29	Jul 19, 2024 14:32	5,247	99,035,771	16,789,210	0	2,174,976
30	Jul 19, 2024 14:32	5,254	79,399,313	16,811,433	0	2,285,568
31	Jul 19, 2024 14:27	5,260	95,173,113	16,833,364	0	2,293,760
32	Jul 19, 2024 14:32	5,264	85,497,127	16,845,239	0	2,289,664
33	Jul 19, 2024 14:26	5,273	81,925,315	16,874,479	0	2,293,760
34	Jul 19, 2024 14:26	5,290	68,616,890	16,928,472	0	2,281,472
35	Jul 19, 2024 14:27	5,298	84,843,157	16,953,919	0	2,289,664
36	Jul 19, 2024 14:26	5,305	73,883,204	16,976,714	0	2,289,664

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