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.

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matsuoka-601

Score: 5,480

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jan 22, 2024 11:25	5,440	35,157,685	16,385,000	1,024,000	2,277,376
2	Jan 22, 2024 11:25	5,446	39,481,532	16,401,000	1,025,000	2,277,376
3	Jan 22, 2024 11:26	5,448	35,597,002	16,410,000	1,025,000	2,273,280
4	Jan 22, 2024 11:21	5,448	45,129,216	17,435,000	0	2,293,760
5	Jan 22, 2024 11:26	5,449	49,026,418	16,413,000	1,025,000	2,277,376
6	Jan 22, 2024 11:25	5,453	33,812,928	16,424,000	1,026,000	2,265,088
7	Jan 22, 2024 11:21	5,453	43,329,083	16,422,000	1,026,000	2,293,760
8	Jan 22, 2024 11:21	5,455	41,122,406	16,431,000	1,026,000	2,265,088
9	Jan 22, 2024 11:21	5,455	38,658,359	16,429,000	1,026,000	2,293,760
10	Jan 22, 2024 11:21	5,455	34,829,133	16,431,000	1,026,000	2,293,760
11	Jan 22, 2024 11:25	5,459	49,038,353	16,443,000	1,027,000	2,273,280
12	Jan 22, 2024 11:26	5,459	45,215,514	16,441,000	1,027,000	2,293,760
13	Jan 22, 2024 11:26	5,461	32,959,905	16,448,000	1,028,000	2,265,088
14	Jan 22, 2024 11:21	5,462	35,927,778	16,451,000	1,028,000	2,269,184
15	Jan 22, 2024 11:21	5,462	34,835,846	17,477,000	0	2,293,760
16	Jan 22, 2024 11:25	5,465	41,237,018	16,461,000	1,028,000	2,293,760
17	Jan 22, 2024 11:25	5,467	37,327,138	17,493,000	0	2,293,760
18	Jan 22, 2024 11:26	5,467	41,875,423	16,465,000	1,029,000	2,269,184
19	Jan 22, 2024 11:21	5,469	34,590,307	16,473,000	1,029,000	2,293,760
20	Jan 22, 2024 11:25	5,474	40,025,618	17,517,000	0	2,293,760
21	Jan 22, 2024 11:21	5,475	45,012,138	17,521,000	0	2,293,760
22	Jan 22, 2024 11:26	5,476	39,798,352	16,492,000	1,030,000	2,277,376
23	Jan 22, 2024 11:21	5,478	39,210,939	17,530,000	0	2,293,760
24	Jan 22, 2024 11:21	5,479	39,241,444	17,534,000	0	2,273,280
25	Jan 22, 2024 11:21	5,480	40,996,589	16,505,000	1,031,000	2,277,376
26	Jan 22, 2024 11:21	5,480	39,272,822	16,506,000	1,031,000	2,379,776
27	Jan 22, 2024 11:21	5,481	37,342,726	16,508,000	1,031,000	2,293,760
28	Jan 22, 2024 11:25	5,483	39,768,901	16,512,000	1,032,000	2,277,376
29	Jan 22, 2024 11:26	5,483	36,956,127	16,513,000	1,032,000	2,293,760
30	Jan 22, 2024 11:25	5,487	39,645,078	16,525,000	1,032,000	2,375,680
31	Jan 22, 2024 11:26	5,490	50,818,726	16,534,000	1,033,000	2,293,760
32	Jan 22, 2024 11:26	5,490	50,695,774	16,536,000	1,033,000	2,293,760
33	Jan 22, 2024 11:21	5,497	34,230,423	17,591,000	0	2,277,376
34	Jan 22, 2024 11:21	5,497	45,197,476	17,590,000	0	2,293,760
35	Jan 22, 2024 11:21	5,509	40,968,349	14,691,000	2,938,000	2,293,760
36	Jan 22, 2024 11:21	5,523	43,888,282	16,633,000	1,039,000	2,265,088
37	Jan 22, 2024 11:25	5,607	79,661,099	17,942,490	0	2,183,168
38	Jan 22, 2024 11:26	5,620	68,842,050	17,982,745	0	2,306,048
39	Jan 22, 2024 11:21	5,620	100,005,011	17,983,951	0	2,179,072
40	Jan 22, 2024 11:26	5,621	86,877,367	17,986,449	0	2,187,264
41	Jan 22, 2024 11:21	5,621	69,170,154	17,986,687	0	2,301,952
42	Jan 22, 2024 11:25	5,623	79,125,572	17,993,541	0	2,174,976
43	Jan 22, 2024 11:21	5,625	83,417,010	17,999,629	0	2,179,072
44	Jan 22, 2024 11:21	5,627	81,774,060	18,005,118	0	2,183,168
45	Jan 22, 2024 11:25	5,632	95,333,080	18,022,820	0	2,306,048
46	Jan 22, 2024 11:21	5,632	61,249,991	18,021,243	0	2,179,072
47	Jan 22, 2024 11:21	5,635	82,687,073	18,032,052	0	2,306,048
48	Jan 22, 2024 11:26	5,648	65,595,824	18,072,221	0	2,301,952

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