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 listMay 27, 2021 18:22

Yuriy Lyfenko

Score: 5,065

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 27, 2021 18:24	5,013	42,565,343	15,041,000	1,002,000	2,396,160
2	May 27, 2021 18:23	5,028	47,781,336	14,078,000	2,011,000	2,387,968
3	May 27, 2021 18:23	5,028	40,301,159	15,085,000	1,005,000	2,400,256
4	May 27, 2021 18:23	5,028	32,330,818	14,077,000	2,011,000	2,265,088
5	May 27, 2021 18:23	5,030	34,988,724	14,085,000	2,012,000	2,265,088
6	May 27, 2021 18:23	5,031	45,648,149	15,093,000	1,006,000	2,265,088
7	May 27, 2021 18:23	5,033	43,366,137	14,092,000	2,013,000	2,265,088
8	May 27, 2021 18:23	5,036	35,706,939	15,107,000	1,007,000	2,392,064
9	May 27, 2021 18:24	5,036	41,630,196	14,102,000	2,014,000	2,265,088
10	May 27, 2021 18:23	5,047	37,704,391	15,140,000	1,009,000	2,265,088
11	May 27, 2021 18:24	5,048	39,349,657	14,134,000	2,019,000	2,265,088
12	May 27, 2021 18:23	5,049	46,501,981	14,139,000	2,019,000	2,265,088
13	May 27, 2021 18:23	5,051	36,660,770	15,152,000	1,010,000	2,265,088
14	May 27, 2021 18:24	5,051	33,357,599	15,153,000	1,010,000	2,265,088
15	May 27, 2021 18:22	5,052	45,190,825	15,156,000	1,010,000	2,265,088
16	May 27, 2021 18:24	5,052	32,170,496	14,146,000	2,020,000	2,265,088
17	May 27, 2021 18:24	5,054	48,615,432	15,164,000	1,010,000	2,265,088
18	May 27, 2021 18:24	5,054	43,044,775	15,164,000	1,010,000	2,392,064
19	May 27, 2021 18:23	5,056	36,743,641	15,169,000	1,011,000	2,523,136
20	May 27, 2021 18:23	5,058	42,461,137	14,162,000	2,023,000	2,396,160
21	May 27, 2021 18:24	5,059	36,946,036	15,179,000	1,011,000	2,265,088
22	May 27, 2021 18:22	5,060	35,794,086	15,180,000	1,012,000	2,396,160
23	May 27, 2021 18:22	5,061	31,989,865	15,182,000	1,012,000	2,387,968
24	May 27, 2021 18:23	5,063	32,900,491	15,190,000	1,012,000	2,494,464
25	May 27, 2021 18:23	5,065	32,094,903	14,183,000	2,026,000	2,392,064
26	May 27, 2021 18:22	5,082	42,971,819	15,247,000	1,016,000	2,265,088
27	May 27, 2021 18:22	5,083	37,666,938	14,231,000	2,033,000	2,396,160
28	May 27, 2021 18:22	5,083	31,910,398	14,233,000	2,033,000	2,396,160
29	May 27, 2021 18:23	5,085	32,934,266	15,255,000	1,017,000	2,265,088
30	May 27, 2021 18:23	5,086	39,021,618	14,242,000	2,034,000	2,473,984
31	May 27, 2021 18:22	5,086	33,638,811	15,257,000	1,017,000	2,396,160
32	May 27, 2021 18:22	5,087	42,115,171	14,362,000	1,915,000	2,265,088
33	May 27, 2021 18:23	5,093	36,676,578	14,259,000	2,037,000	2,265,088
34	May 27, 2021 18:23	5,093	41,398,657	14,262,000	2,037,000	2,265,088
35	May 27, 2021 18:22	5,109	43,818,761	16,349,000	0	2,527,232
36	May 27, 2021 18:24	5,112	32,283,687	14,314,000	2,044,000	2,392,064
37	May 27, 2021 18:23	5,219	87,912,168	16,701,377	0	2,273,280
38	May 27, 2021 18:24	5,240	69,715,972	16,767,437	0	2,281,472
39	May 27, 2021 18:23	5,242	52,047,267	16,772,814	0	2,269,184
40	May 27, 2021 18:23	5,245	70,577,152	16,783,780	0	2,285,568
41	May 27, 2021 18:24	5,246	48,187,814	16,785,743	0	2,285,568
42	May 27, 2021 18:23	5,253	83,844,724	16,810,886	0	2,273,280
43	May 27, 2021 18:23	5,254	79,834,919	16,811,863	0	2,273,280
44	May 27, 2021 18:22	5,261	56,092,901	16,835,378	0	2,273,280
45	May 27, 2021 18:22	5,265	103,585,504	16,848,226	0	2,269,184
46	May 27, 2021 18:22	5,272	63,543,403	16,870,297	0	2,273,280
47	May 27, 2021 18:24	5,285	39,819,910	16,910,674	0	2,281,472
48	May 27, 2021 18:23	5,297	63,730,378	16,950,472	0	2,273,280

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