Research Article

LTTng CLUST: A System-Wide Unified CPU and GPU Tracing Tool for OpenCL Applications

Table 4

Real application tracing timing.

Width
(pixel)
Height
(pixel)
Base
ave.
(ns/iter.)
Base
Std. dev.
(ns/iter.)
Preload
ave.
(ns/iter.)
Preload
Std. dev.
(ns/iter.)
CLUST
ave.
(ns/iter.)
CLUST
Std. dev.
(ns/iter.)
CLUST + LTTng
ave.
(ns/iter.)
CLUST + LTTng
Std. dev.
(ns/iter.)

11351982162363991941508902297588383364
10135183191635702821518832315582653135
1010360311936368901941507581931596193531
1010037937186839067169558202731611082645
100100567702440597092135750732661847462232
10001002506943371251165326826872633882802994534
128072019518264104195196544431976916452819884454747
1920108044660966345446677755974491589563645113945509

Sample size = 1000; loop size = 100.