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 26, 2022 12:11

Keichi Takahashi

Score: 5,319

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 26, 2022 12:10	5,281	41,080,549	14,911,000	1,988,000	2,387,968
2	May 26, 2022 12:10	5,287	42,076,806	15,922,000	995,000	2,506,752
3	May 26, 2022 12:10	5,290	50,763,730	14,936,000	1,991,000	2,396,160
4	May 26, 2022 12:10	5,290	43,513,127	15,934,000	995,000	2,265,088
5	May 26, 2022 12:10	5,292	42,663,424	14,943,000	1,992,000	2,527,232
6	May 26, 2022 12:10	5,292	44,676,394	14,942,000	1,992,000	2,265,088
7	May 26, 2022 12:10	5,295	47,480,623	15,949,000	996,000	2,265,088
8	May 26, 2022 12:11	5,297	39,024,113	14,957,000	1,994,000	2,265,088
9	May 26, 2022 12:10	5,298	45,815,698	15,958,000	997,000	2,383,872
10	May 26, 2022 12:10	5,300	33,830,107	15,963,000	997,000	2,265,088
11	May 26, 2022 12:11	5,301	48,008,843	15,967,000	997,000	2,387,968
12	May 26, 2022 12:10	5,302	43,382,265	14,971,000	1,996,000	2,392,064
13	May 26, 2022 12:11	5,303	47,405,225	15,971,000	998,000	2,387,968
14	May 26, 2022 12:10	5,304	43,729,105	14,976,000	1,996,000	2,383,872
15	May 26, 2022 12:11	5,305	45,921,779	15,977,000	998,000	2,383,872
16	May 26, 2022 12:10	5,306	33,331,173	14,981,000	1,997,000	2,265,088
17	May 26, 2022 12:10	5,307	42,344,146	15,984,000	999,000	2,265,088
18	May 26, 2022 12:10	5,308	42,604,586	15,987,000	999,000	2,392,064
19	May 26, 2022 12:10	5,310	41,695,026	14,993,000	1,999,000	2,396,160
20	May 26, 2022 12:10	5,312	46,406,108	14,999,000	1,999,000	2,392,064
21	May 26, 2022 12:10	5,313	50,076,495	15,001,000	2,000,000	2,265,088
22	May 26, 2022 12:10	5,315	43,955,730	16,008,000	1,000,000	2,265,088
23	May 26, 2022 12:10	5,317	41,837,748	16,013,000	1,000,000	2,392,064
24	May 26, 2022 12:10	5,317	42,931,838	15,012,000	2,001,000	2,383,872
25	May 26, 2022 12:10	5,319	44,008,153	16,021,000	1,001,000	2,265,088
26	May 26, 2022 12:10	5,322	42,043,098	15,026,000	2,003,000	2,383,872
27	May 26, 2022 12:10	5,323	43,039,025	16,032,000	1,002,000	2,260,992
28	May 26, 2022 12:10	5,324	44,646,210	16,036,000	1,002,000	2,383,872
29	May 26, 2022 12:10	5,326	42,793,680	16,042,000	1,002,000	2,392,064
30	May 26, 2022 12:11	5,327	34,392,549	16,044,000	1,002,000	2,265,088
31	May 26, 2022 12:10	5,329	39,408,541	15,048,000	2,006,000	2,392,064
32	May 26, 2022 12:11	5,334	45,785,420	15,062,000	2,008,000	2,265,088
33	May 26, 2022 12:11	5,335	32,651,100	15,065,000	2,008,000	2,392,064
34	May 26, 2022 12:10	5,338	46,212,083	16,079,000	1,004,000	2,387,968
35	May 26, 2022 12:11	5,345	40,557,256	15,093,000	2,012,000	2,265,088
36	May 26, 2022 12:11	5,352	48,853,562	16,119,000	1,007,000	2,387,968
37	May 26, 2022 12:10	5,481	78,655,837	17,538,622	0	2,281,472
38	May 26, 2022 12:11	5,500	88,924,761	17,599,908	0	2,277,376
39	May 26, 2022 12:11	5,500	79,597,910	17,599,042	0	2,293,760
40	May 26, 2022 12:10	5,504	80,816,458	17,611,689	0	2,281,472
41	May 26, 2022 12:10	5,505	71,393,779	17,614,595	0	2,285,568
42	May 26, 2022 12:10	5,505	98,209,061	17,616,764	0	2,277,376
43	May 26, 2022 12:10	5,513	78,422,834	17,640,884	0	2,277,376
44	May 26, 2022 12:10	5,513	72,831,142	17,642,995	0	2,281,472
45	May 26, 2022 12:10	5,519	80,375,123	17,659,841	0	2,277,376
46	May 26, 2022 12:10	5,523	90,724,872	17,672,499	0	2,285,568
47	May 26, 2022 12:11	5,527	66,522,280	17,685,055	0	2,289,664
48	May 26, 2022 12:10	5,541	57,478,938	17,732,788	0	2,281,472

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