README

DelphiMSHeap

Default MM override using Windows Heap API

tested under win10, win2022, show optimum performances both under single and multithreaded applications

how to replace the default MM:

project -> view source

program Test;

uses

MSHeap // put the unit at the first uses

..

please see

https://en.delphipraxis.net/topic/7357-64bit-rtl-patches-with-intel-oneapi-and-tbb/

https://en.delphipraxis.net/topic/7357-64bit-rtl-patches-with-intel-oneapi-and-tbb/?tab=comments#comment-62867

https://users.rust-lang.org/t/why-dont-windows-targets-use-malloc-instead-of-heapalloc/57936

// 10 sept 2022 from https://github.com/d-mozulyov/BrainMM demos

// 10 sept 2022 added inline directive, zeromemory and freemem return value

kind regards

Roberto Della Pasqua

www.dellapasqua.com

btw. below a test from DMVC author https://github.com/danieleteti/delphimvcframework

Using default MM

C:\WORK\Apache24\bin\ab.exe -c 100 -n 10000 http://localhost:8080/api

Concurrency Level: 100

Time taken for tests: 28.314 seconds

Complete requests: 10000

Failed requests: 0

Total transferred: 1830000 bytes

HTML transferred: 10000 bytes

Requests per second: 353.18 [#/sec] (mean)

Time per request: 283.138 [ms] (mean)

Time per request: 2.831 [ms] (mean, across all concurrent requests)

Transfer rate: 63.12 [Kbytes/sec] received

Using MSHeap

C:\WORK\Apache24\bin\ab.exe -c 100 -n 10000 http://localhost:8080/api

Concurrency Level: 100

Time taken for tests: 2.054 seconds

Complete requests: 10000

Failed requests: 0

Total transferred: 1830000 bytes

HTML transferred: 10000 bytes

Requests per second: 4869.63 [#/sec] (mean)

Time per request: 20.535 [ms] (mean)

Time per request: 0.205 [ms] (mean, across all concurrent requests)

Transfer rate: 870.26 [Kbytes/sec] received