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Recent VCOMP Changes

  • 8/20/06: 1.222 - released GPL'd version - many minor bug fixes
  • 3/27/01: V221 Bug fixes - more minor v2k related bugs
  • 3/26/01: V220 Bug fixes - mostly in generate blocks
  • 3/8/01: V217 Timing checks in specify blocks
  • 2/26/01: V214 Minor release - new peephole optimization pass, minor bug fixes
  • 2/4/01: V210 Major feature release - PLI 2.0 (vpi_ routines)
  • 2/3/01: V209 Minor bug fix release - fix to problems in/around UDP delays
  • 1/27/01: V205 - minor bug fixes - mostly in assigns to complex objects, constant folding in parameters (more alpha VPI - release is scheduled for next month)
  • 1/19/01: V204 - minor bug fixes - mostly in ports - and preparation for VPI interfaces (currrently available as alpha quality code)
  • 11/9/00: V201 - V2000 support - constant functions - minor fixups (last v2k features)
  • 11/1/00: V199 - V2000 support - automatic functions and tasks
  • 10/27/00: V198 - V2000 support - implemented last new system tasks - $fread/$fscanf/$value$plusargs
  • 10/24/00: V196 - V2000 support - [+:]/[-:], sized parameters
  • 10/19/00: V193 - Major V2000 updates - Configuration management, Generate statements
  • 9/23/00: V180 - Many V2000 updates - signed variables, >>>, <<<, multi-dimensional arrays, bitfields from arrays, new input/output syntax, locparam - also minor bug fuxes, -On support, more control on optimization (see the note on -O here),
  • 8/26/00: V146 - Minor performance tweaks
  • 8/24/00: V133 - Major performance upgrades to non-blocking assignments
  • 8/21/00: V118 - More performance tweaks
  • 8/17/00: V112 - Minor performance tweaks
  • 8/17/00: V106 - Fixed problem with acc_fetch_fullname()
  • 8/17/00: V104 - Fixed +define+
  • 8/17/00: V102 - Minor bug fixes in $display formats
  • 8/17/00: V101 - Minor bug fixes in undefined delays
  • 8/14/00: V100 - Minor bug fixes in instruction scheduling around function calls
  • 8/14/00: V91 - Moved vcomp temp files to be on local disk whenever possible
  • 8/11/00: V85 - Minor bug fixes - assigns to reversed slices
  • 8/11/00: V84 - Minor bug fixes - repeats embedded within repeats
  • 8/10/00: V83 - Minor bug fixes - function parameters in parameterized instances
  • 8/10/00: V82 - Minor bug fixes - problem with mixing timescales
  • 8/10/00: V81 - Minor bug fixes - forces to unattached nets, gates with constant inputs, forces to supplies, forces and events on undeclared nets, expansion of integer types
  • 8/9/00: V77 - Minor bug fixes - hierarchical forces, slices into parameterized modules
  • 8/8/00: V68 - Minor bug fixes - non-blocking assigns to arrays, and slices of reversed bit vectors passed to instantiated modules
  • 8/6/00: V66 - Minor bug fix - fixed problem with variables with parameterized sizes
  • 8/6/00: V65 - New compiler version - replaces V63 - recompile to take advantage of these changes - UDPs (primitives) are now accelerated by a factor of 3-4
  • 8/3/00: V63 - Released new compiler version - replaces V55 - recompile to take advantage of these changes:
    • fixed problem with casex-style patterns in parameters
    • 3-5 times better performance of most non-SMP simulations
  • 7/25/00: V55 - Released a new compiler version as the default - V55 replaces V53 - includes higher performance event modelling aimed at increasing the performance of clock nets. You need to recompile to take advantage of these performance enhancements send it again