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 16, 2021 23:15

Yuriy Lyfenko

Score: 5,417

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 16, 2021 23:15	5,364	1,424,440,835	15,258,000	1,907,000	2,269,184
2	May 16, 2021 23:15	5,376	2,977,209,974	17,203,000	0	2,527,232
3	May 16, 2021 23:15	5,385	2,598,464,175	15,319,000	1,914,000	2,265,088
4	May 16, 2021 23:15	5,388	3,033,547,264	14,200,000	3,043,000	2,265,088
5	May 16, 2021 23:15	5,388	4,408,896,233	15,325,000	1,915,000	2,269,184
6	May 16, 2021 23:15	5,393	1,266,785,400	15,228,000	2,030,000	2,269,184
7	May 16, 2021 23:15	5,394	3,472,266,156	16,247,000	1,015,000	2,269,184
8	May 16, 2021 23:15	5,394	2,402,979,698	17,261,000	0	2,527,232
9	May 16, 2021 23:15	5,396	2,557,565,286	17,266,000	0	2,392,064
10	May 16, 2021 23:15	5,396	1,249,750,425	16,251,000	1,015,000	2,265,088
11	May 16, 2021 23:15	5,398	498,501,769	17,272,000	0	2,527,232
12	May 16, 2021 23:15	5,400	2,797,072,027	15,361,000	1,920,000	2,269,184
13	May 16, 2021 23:15	5,401	4,180,068,305	16,266,000	1,016,000	2,527,232
14	May 16, 2021 23:15	5,405	4,564,439,464	15,374,000	1,921,000	2,260,992
15	May 16, 2021 23:15	5,407	4,842,154,926	15,268,000	2,035,000	2,265,088
16	May 16, 2021 23:15	5,410	3,721,845,281	16,294,000	1,018,000	2,527,232
17	May 16, 2021 23:15	5,415	2,084,623,893	15,403,000	1,925,000	2,265,088
18	May 16, 2021 23:15	5,416	4,305,288,995	16,311,000	1,019,000	2,265,088
19	May 16, 2021 23:15	5,417	634,546,801	16,372,000	963,000	2,265,088
20	May 16, 2021 23:15	5,418	522,937,923	17,338,000	0	2,400,256
21	May 16, 2021 23:15	5,422	130,968,946	16,387,000	963,000	2,396,160
22	May 16, 2021 23:15	5,428	3,039,314,676	15,327,000	2,043,000	2,527,232
23	May 16, 2021 23:15	5,429	3,472,466,877	16,407,000	965,000	2,269,184
24	May 16, 2021 23:15	5,433	4,548,170,601	16,364,000	1,022,000	2,265,088
25	May 16, 2021 23:15	5,453	4,567,859,372	15,512,000	1,939,000	2,265,088
26	May 16, 2021 23:15	5,468	2,744,841,324	15,555,000	1,944,000	2,527,232
27	May 16, 2021 23:15	5,477	3,876,259,499	15,579,000	1,947,000	2,523,136
28	May 16, 2021 23:15	5,555	2,055,137,040	17,777,420	0	2,277,376
29	May 16, 2021 23:15	5,567	2,858,773,260	17,813,706	0	2,281,472
30	May 16, 2021 23:15	5,577	3,555,586,877	17,845,586	0	2,281,472
31	May 16, 2021 23:15	5,583	2,612,211,336	17,864,577	0	2,277,376
32	May 16, 2021 23:15	5,584	4,913,636,108	17,867,938	0	2,277,376
33	May 16, 2021 23:15	5,596	5,025,533,986	17,906,566	0	2,281,472
34	May 16, 2021 23:15	5,596	1,753,482,769	17,906,510	0	2,281,472
35	May 16, 2021 23:15	5,596	1,927,019,138	17,908,001	0	2,277,376
36	May 16, 2021 23:15	5,611	3,763,388,117	17,954,232	0	2,281,472

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