Oracle11.2g on Vista 32bit VERSUS WIndows 7 64bit SLOWER!

I am an APEX developer and program daily on my laptop. I previously ran my APEX application(4.0.2) using the EPG HTTP server with Oracle 11.2g on a laptop with Vista 32 bit with 4gig of RAM. Performance was acceptable though a bit little slow at times.
I've just installed a complete fresh install of Oracle 11.2g with Apex 4.0.2 (to remain compatible with prod server) on my NEW Windows 7 (64 bit) laptop(i7 dual core processer with 8 gig RAM and SSD drive).
The issue is that my APEX application runs much SLOWER under Windows 7 (64 bit) and a high performance laptop than it did on VISTA 32 bit! I'm trying to troubleshoot this as being a performance problem with either one or all of the following:
1. Windows 7 OS
2. Oracle 11.2g
3. APEX
4. IE 64bit browser 9
Does anyone have any performance tips for 1,2,3 or 4 or come accross a similar situation?
I've configured the 11.2g DB with the following parameters:
sga_max_size: 3G
shared_pool_size: 1G
java_pool: 64MB
large_pool_size: 64MB
pga_aggregate_target: 1G
sort_area_size: 64M
Processes: 400
open_cursors:300
thanks in advance,
regards
PaulP

PaulP wrote:
I am an APEX developer and program daily on my laptop. I previously ran my APEX application(4.0.2) using the EPG HTTP server with Oracle 11.2g on a laptop with Vista 32 bit with 4gig of RAM. Performance was acceptable though a bit little slow at times.
I've just installed a complete fresh install of Oracle 11.2g with Apex 4.0.2 (to remain compatible with prod server) on my NEW Windows 7 (64 bit) laptop(i7 dual core processer with 8 gig RAM and SSD drive).
The issue is that my APEX application runs much SLOWER under Windows 7 (64 bit) and a high performance laptop than it did on VISTA 32 bit! I'm trying to troubleshoot this as being a performance problem with either one or all of the following:
1. Windows 7 OS
2. Oracle 11.2g
3. APEX
4. IE 64bit browser 9
Does anyone have any performance tips for 1,2,3 or 4 or come accross a similar situation?
I've configured the 11.2g DB with the following parameters:
sga_max_size: 3G
shared_pool_size: 1G
java_pool: 64MB
large_pool_size: 64MB
pga_aggregate_target: 1G
sort_area_size: 64M
Processes: 400
open_cursors:300
thanks in advance,
regards
PaulPIt can be very challenging to troubleshoot a performance issue across a 3-tier application.
You need to establish a benchmark for each layer & then compare & contrast the two systems.

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