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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jeffplaisance

Score: 4,431

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Aug 4, 2024 01:07	4,390	32,133,098	13,046,000	1,003,000	2,498,560
2	Aug 4, 2024 01:14	4,400	29,538,471	13,076,000	1,005,000	2,502,656
3	Aug 4, 2024 01:14	4,401	34,842,470	13,078,000	1,006,000	2,502,656
4	Aug 4, 2024 01:14	4,407	29,671,856	13,095,000	1,007,000	2,273,280
5	Aug 4, 2024 01:14	4,409	36,960,874	13,103,000	1,007,000	2,498,560
6	Aug 4, 2024 01:14	4,409	32,970,831	13,101,000	1,007,000	2,277,376
7	Aug 4, 2024 01:14	4,409	40,563,769	13,101,000	1,007,000	2,277,376
8	Aug 4, 2024 01:07	4,418	29,780,727	13,128,000	1,009,000	2,277,376
9	Aug 4, 2024 01:07	4,419	30,871,638	13,130,000	1,010,000	2,498,560
10	Aug 4, 2024 01:07	4,420	27,687,392	13,133,000	1,010,000	2,273,280
11	Aug 4, 2024 01:07	4,421	31,411,820	13,138,000	1,010,000	2,273,280
12	Aug 4, 2024 01:14	4,422	29,470,123	13,139,000	1,010,000	2,277,376
13	Aug 4, 2024 01:14	4,425	37,193,154	13,150,000	1,011,000	2,277,376
14	Aug 4, 2024 01:14	4,428	36,927,841	13,157,000	1,012,000	2,498,560
15	Aug 4, 2024 01:14	4,428	32,168,078	13,156,000	1,012,000	2,277,376
16	Aug 4, 2024 01:14	4,429	29,976,810	13,162,000	1,012,000	2,273,280
17	Aug 4, 2024 01:14	4,430	27,517,784	13,164,000	1,012,000	2,502,656
18	Aug 4, 2024 01:14	4,431	27,271,033	13,167,000	1,012,000	2,494,464
19	Aug 4, 2024 01:07	4,431	39,370,460	13,167,000	1,012,000	2,277,376
20	Aug 4, 2024 01:14	4,433	32,303,857	13,174,000	1,013,000	2,498,560
21	Aug 4, 2024 01:07	4,437	30,587,407	13,183,000	1,014,000	2,506,752
22	Aug 4, 2024 01:14	4,443	26,730,051	13,201,000	1,015,000	2,502,656
23	Aug 4, 2024 01:07	4,446	30,648,496	14,227,000	0	2,277,376
24	Aug 4, 2024 01:07	4,448	30,164,065	13,216,000	1,016,000	2,277,376
25	Aug 4, 2024 01:14	4,451	28,527,447	14,242,000	0	2,277,376
26	Aug 4, 2024 01:14	4,454	30,939,239	13,236,000	1,018,000	2,502,656
27	Aug 4, 2024 01:14	4,470	29,384,744	12,260,000	2,043,000	2,277,376
28	Aug 4, 2024 01:14	4,686	77,099,106	14,995,143	0	2,244,608
29	Aug 4, 2024 01:07	4,689	90,029,012	15,005,591	0	2,240,512
30	Aug 4, 2024 01:07	4,690	73,676,943	15,009,542	0	2,240,512
31	Aug 4, 2024 01:14	4,702	99,540,207	15,045,797	0	2,244,608
32	Aug 4, 2024 01:14	4,708	68,030,230	15,066,861	0	2,244,608
33	Aug 4, 2024 01:14	4,708	62,084,122	15,065,218	0	2,379,776
34	Aug 4, 2024 01:14	4,716	98,778,008	15,092,639	0	2,240,512
35	Aug 4, 2024 01:07	4,728	84,883,305	15,128,015	0	2,240,512
36	Aug 4, 2024 01:14	4,734	90,715,038	15,147,289	0	2,244,608

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