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 listJun 23, 2021 06:29

Andrey Tsvetkov

Score: 5,701

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 23, 2021 06:29	5,642	48,771,338	16,048,000	2,006,000	2,523,136
2	Jun 22, 2021 23:00	5,651	44,070,905	15,070,000	3,014,000	2,523,136
3	Jun 22, 2021 22:57	5,660	43,007,624	16,101,000	2,012,000	2,334,720
4	Jun 22, 2021 22:57	5,662	47,991,288	15,098,000	3,019,000	2,527,232
5	Jun 22, 2021 23:00	5,663	45,954,716	15,102,000	3,020,000	2,334,720
6	Jun 23, 2021 06:29	5,670	34,483,122	16,128,000	2,016,000	2,392,064
7	Jun 23, 2021 06:29	5,676	48,482,424	16,144,000	2,018,000	2,527,232
8	Jun 22, 2021 23:00	5,678	35,720,813	15,142,000	3,028,000	2,523,136
9	Jun 22, 2021 23:00	5,679	46,088,637	15,144,000	3,028,000	2,334,720
10	Jun 22, 2021 23:00	5,679	45,103,661	15,145,000	3,029,000	2,334,720
11	Jun 22, 2021 23:00	5,680	44,927,640	16,158,000	2,019,000	2,531,328
12	Jun 22, 2021 22:57	5,680	43,003,101	16,157,000	2,019,000	2,334,720
13	Jun 22, 2021 23:00	5,680	46,267,185	17,167,000	1,009,000	2,523,136
14	Jun 22, 2021 22:57	5,683	45,591,384	15,154,000	3,030,000	2,392,064
15	Jun 23, 2021 06:29	5,683	40,625,948	15,155,000	3,031,000	2,334,720
16	Jun 22, 2021 23:00	5,687	42,935,703	17,188,000	1,011,000	2,334,720
17	Jun 22, 2021 23:00	5,688	45,226,865	16,181,000	2,022,000	2,519,040
18	Jun 22, 2021 22:57	5,688	45,179,291	16,179,000	2,022,000	2,527,232
19	Jun 22, 2021 23:00	5,689	45,326,767	16,182,000	2,022,000	2,334,720
20	Jun 22, 2021 22:57	5,694	40,798,291	18,220,000	0	2,531,328
21	Jun 22, 2021 23:00	5,696	40,420,087	15,189,000	3,037,000	2,523,136
22	Jun 23, 2021 06:29	5,697	47,593,097	15,193,000	3,038,000	2,531,328
23	Jun 23, 2021 06:29	5,701	41,063,519	16,217,000	2,027,000	2,527,232
24	Jun 23, 2021 06:29	5,701	39,674,422	15,202,000	3,040,000	2,334,720
25	Jun 22, 2021 23:00	5,701	41,603,537	16,217,000	2,027,000	2,375,680
26	Jun 22, 2021 22:57	5,701	38,253,962	16,216,000	2,027,000	2,334,720
27	Jun 22, 2021 22:57	5,701	41,753,201	16,216,000	2,027,000	2,334,720
28	Jun 22, 2021 23:00	5,702	45,076,771	16,220,000	2,027,000	2,523,136
29	Jun 22, 2021 23:00	5,709	39,308,698	16,239,000	2,029,000	2,326,528
30	Jun 23, 2021 06:29	5,718	42,544,931	16,265,000	2,033,000	2,334,720
31	Jun 22, 2021 23:00	5,720	43,092,556	15,253,000	3,050,000	2,334,720
32	Jun 22, 2021 23:00	5,721	43,487,332	16,274,000	2,034,000	2,334,720
33	Jun 22, 2021 22:57	5,723	38,905,024	15,263,000	3,052,000	2,334,720
34	Jun 22, 2021 23:00	5,723	38,235,767	16,279,000	2,034,000	2,523,136
35	Jun 23, 2021 06:29	5,726	73,601,925	18,323,790	0	2,228,224
36	Jun 22, 2021 23:00	5,728	67,142,936	18,329,321	0	2,236,416
37	Jun 23, 2021 06:29	5,734	35,828,435	16,311,000	2,038,000	2,334,720
38	Jun 23, 2021 06:29	5,738	70,423,876	18,361,600	0	2,232,320
39	Jun 22, 2021 23:00	5,744	46,041,564	15,317,000	3,063,000	2,527,232
40	Jun 22, 2021 23:00	5,755	89,665,757	18,416,318	0	2,228,224
41	Jun 23, 2021 06:29	5,757	58,102,171	18,421,273	0	2,232,320
42	Jun 22, 2021 22:57	5,758	81,164,523	18,426,033	0	2,236,416
43	Jun 22, 2021 22:57	5,765	78,491,964	18,446,933	0	2,236,416
44	Jun 22, 2021 23:00	5,772	78,749,198	18,470,484	0	2,232,320
45	Jun 22, 2021 23:00	5,776	65,676,290	18,482,645	0	2,240,512
46	Jun 22, 2021 23:00	5,870	76,711,402	18,784,438	0	2,236,416
47	Jun 22, 2021 23:00	5,896	95,031,417	18,868,345	0	2,240,512
48	Jun 22, 2021 22:57	5,930	86,078,220	18,976,484	0	2,240,512

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