[Webkit-unassigned] [Bug 167616] Performance test IndexedDB/large-binary-keys.html creates a DB of more than 6GB and takes more than 10 minutes to run

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=167616

Carlos Alberto Lopez Perez <clopez at igalia.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |cgarcia at igalia.com,
                   |                            |ossy at webkit.org

--- Comment #3 from Carlos Alberto Lopez Perez <clopez at igalia.com> ---
On the Apple port this test takes ~17 minutes https://build.webkit.org/builders/Apple%20El%20Capitan%20Release%20WK2%20%28Perf%29/builds/4138/steps/perf-test/logs/stdio


Running IndexedDB/large-binary-keys.html (78 of 162)
RESULT IndexedDB: large-binary-keys: Time= 12710.29875 ms
median= 12767.6 ms, stdev= 192.085687956 ms, min= 12049.8 ms, max= 12873.7 ms
RESULT IndexedDB: large-binary-keys: JSHeap= 690339155.65 bytes
median= 663655063.0 bytes, stdev= 248329564.206 bytes, min= 248397774.0 bytes, max= 1206834295.0 bytes
RESULT IndexedDB: large-binary-keys: Malloc= 847334707.2 bytes
median= 872071168.0 bytes, stdev= 258591471.735 bytes, min= 369184768.0 bytes, max= 1255882752.0 bytes
Finished: 1048.817416 s


But, on the EFL port however this test only takes 5 minutes!

Running IndexedDB/large-binary-keys.html (78 of 162)
RESULT IndexedDB: large-binary-keys: Time= 6281.455 ms
median= 6316.0 ms, stdev= 255.338836634 ms, min= 5291.3 ms, max= 6786.8 ms
RESULT IndexedDB: large-binary-keys: JSHeap= 469837447.4 bytes
median= 416166533.0 bytes, stdev= 153900199.697 bytes, min= 235825501.0 bytes, max= 835616357.0 bytes
RESULT IndexedDB: large-binary-keys: Malloc= 896776601.6 bytes
median= 873631744.0 bytes, stdev= 193327106.186 bytes, min= 486801408.0 bytes, max= 1116913664.0 bytes
Finished: 531.608296 s

https://build.webkit.org/builders/EFL%20Linux%2064-bit%20Release%20WK2%20%28Perf%29/builds/11181/steps/perf-test/logs/stdio


I wonder what can explain such massive performance improvement on that port?

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