Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 191,008
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 18, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     204,738
Calibration 2     192,960
Calibration 3     191,507
ssj_ops@calibrated=192,234
100% 99.4% 192,234 191,008
90% 91.0% 173,011 174,937
80% 79.2% 153,787 152,304
70% 70.5% 134,564 135,493
60% 59.7% 115,340 114,732
50% 50.4% 96,117 96,900
40% 39.4% 76,894 75,824
30% 29.9% 57,670 57,483
20% 20.0% 38,447 38,434
10% 10.1% 19,223 19,355
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Default Thermal Profile Settings
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,893,831 1,494
Payment 14,893,829
Order Status 1,489,383
Delivery 1,489,384
Stock Level 1,489,384
Customer Report 14,893,829
Calibration 2 New Order 14,035,012 1,494
Payment 14,035,008
Order Status 1,403,500
Delivery 1,403,501
Stock Level 1,403,501
Customer Report 14,035,015
Calibration 3 New Order 13,929,488 1,494
Payment 13,929,486
Order Status 1,392,950
Delivery 1,392,949
Stock Level 1,392,949
Customer Report 13,929,494
100% 99.4% New Order 13,891,600 1,494
Payment 13,891,601
Order Status 1,389,160
Delivery 1,389,161
Stock Level 1,389,161
Customer Report 13,891,598
90% 91.0% New Order 12,723,287 1,494
Payment 12,723,281
Order Status 1,272,328
Delivery 1,272,330
Stock Level 1,272,328
Customer Report 12,723,286
80% 79.2% New Order 11,077,653 1,494
Payment 11,077,649
Order Status 1,107,765
Delivery 1,107,766
Stock Level 1,107,766
Customer Report 11,077,648
70% 70.5% New Order 9,854,503 1,494
Payment 9,854,506
Order Status 985,451
Delivery 985,452
Stock Level 985,449
Customer Report 9,854,509
60% 59.7% New Order 8,344,310 1,494
Payment 8,344,310
Order Status 834,432
Delivery 834,431
Stock Level 834,431
Customer Report 8,344,307
50% 50.4% New Order 7,048,011 1,494
Payment 7,048,011
Order Status 704,801
Delivery 704,800
Stock Level 704,801
Customer Report 7,048,006
40% 39.4% New Order 5,515,062 1,494
Payment 5,515,066
Order Status 551,507
Delivery 551,505
Stock Level 551,508
Customer Report 5,515,064
30% 29.9% New Order 4,180,702 1,494
Payment 4,180,699
Order Status 418,070
Delivery 418,070
Stock Level 418,069
Customer Report 4,180,703
20% 20.0% New Order 2,795,302 1,494
Payment 2,795,299
Order Status 279,530
Delivery 279,529
Stock Level 279,530
Customer Report 2,795,302
10% 10.1% New Order 1,407,669 1,494
Payment 1,407,669
Order Status 140,767
Delivery 140,767
Stock Level 140,766
Customer Report 1,407,670
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0