YourKit Profiler 4.0 for .NET released

YourKit, LLC is glad to announce immediate availability of YourKit Profiler 4.0 for .NET
released on May 19, 2009.

It can be downloaded at http://www.yourkit.com/dotnet/download/

MOST NOTABLE CHANGES AND NEW FEATURES IN 4.0:
=============================================

LICENSING:

  - The profiler agent and controller are are freely redistributable under BSD license
  - Personal license is available

CPU PROFILING:

  - Callees list
  - "Own time" column in call tree
  - "Average time" column in call tree
  - Ability to configure whether CPU time or wall time should be measured

MEMORY PROFILING:

  - Snapshot index file accelerates snapshot opening, which makes the
    subsequent snapshot loadings much faster, as well as allows opening big snapshots
    on 32-bit workstations by using index file pre-created on powerful 64-bit machine
  - Improvement: In Class list, retained size estimation for each class is shown immediately
    on opening the view. For most classes the estimation is very close to the exact value,
    so there is almost no need to run exact size calculation.
  - Improvement: Ability to open huge memory snapshots (1 Gb and bigger) on 32-bit machines.
  - New feature: Quick info is also available as a slave view (in addition to a popup
    window invoked with Memory | Quick Info)
  - Optimization: Snapshots are loaded faster
  - Improved presentation of static fields in memory snapshots

TELEMETRY:

  - Exception telemetry
  - Thread state telemetry
  - Thread telemetry  shows states of live threads. "Time" column shows CPU time for each thread;
    with its help, you can sort threads by CPU time. You can click at certain time point to see stack traces.
  - Telemetry graphs are now scalable

USER INTERFACE:

  - Improvement: Table column widths are chosen more accurately
  - New feature: Table column visibility is now configurable
  - Improvement: Welcome screen is optimized to better fit low resolution displays
  - Improvement: Thread native IDs are shown in all views where thread names are shown
  - Improvement: If snapshot cannot be captured due to lack of free space on disk or other I/O error,
    user gets detailed error message describing the problem
  - New feature: Option to show only positive or only negative differences in
    snapshot comparison views
  - New feature: Ability to open snapshots compressed with GZIP in "File | Open Snapshot..."
    (in addition to the ability to open snapshots stored in ZIP file which existed in previous versions
    of the profiler).
  - Improvement: Snapshot full file path is shown in a tooltip "File | Open Snapshot..."
  - Improvement: On Welcome screen, tooltip in recent snapshot list shows snapshot full file path,
    size and modification date

MISCELLANEOUS:

  - Stability improvements
  - Profiler API allows you to control profiling programmatically
  - Improved remote profiling: ability to start profiled applications without installing
    and running the profiler UI on the remote machine
  - New export formats available:  CSV ("comma separated values"), plain text format,
    archived HTML (*.zip)
  - Export works in telemetry graphs as well
  - Improvement: files with ".snapshot" extension are associated with the profiler
  - Improvement: On Windows 64-bit, to achieve better performance and user experience,
    the profiler UI will launch as a 64-bit application

See complete list of changes at http://www.yourkit.com/dotnet/changes/

Kindest regards,
Vladimir Kondratyev