Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 189,837
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 22, 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     193,395
Calibration 2     190,161
Calibration 3     189,455
ssj_ops@calibrated=189,808
100% 100.0% 189,808 189,837
90% 89.9% 170,827 170,562
80% 79.4% 151,846 150,731
70% 70.6% 132,866 133,968
60% 59.8% 113,885 113,562
50% 50.0% 94,904 94,836
40% 40.8% 75,923 77,363
30% 29.8% 56,942 56,536
20% 19.8% 37,962 37,621
10% 9.9% 18,981 18,880
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
Minimum Power (Performance per Watt Optimized)
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,067,445 1,494
Payment 14,067,447
Order Status 1,406,745
Delivery 1,406,744
Stock Level 1,406,744
Customer Report 14,067,447
Calibration 2 New Order 13,831,797 1,494
Payment 13,831,796
Order Status 1,383,180
Delivery 1,383,180
Stock Level 1,383,182
Customer Report 13,831,801
Calibration 3 New Order 13,778,725 1,494
Payment 13,778,724
Order Status 1,377,873
Delivery 1,377,872
Stock Level 1,377,872
Customer Report 13,778,726
100% 100.0% New Order 13,806,921 1,494
Payment 13,806,921
Order Status 1,380,692
Delivery 1,380,693
Stock Level 1,380,693
Customer Report 13,806,926
90% 89.9% New Order 12,404,907 1,494
Payment 12,404,904
Order Status 1,240,491
Delivery 1,240,490
Stock Level 1,240,490
Customer Report 12,404,906
80% 79.4% New Order 10,962,778 1,494
Payment 10,962,776
Order Status 1,096,279
Delivery 1,096,278
Stock Level 1,096,280
Customer Report 10,962,774
70% 70.6% New Order 9,743,174 1,494
Payment 9,743,173
Order Status 974,319
Delivery 974,318
Stock Level 974,317
Customer Report 9,743,181
60% 59.8% New Order 8,259,293 1,494
Payment 8,259,300
Order Status 825,929
Delivery 825,931
Stock Level 825,929
Customer Report 8,259,297
50% 50.0% New Order 6,898,003 1,494
Payment 6,898,011
Order Status 689,800
Delivery 689,801
Stock Level 689,800
Customer Report 6,898,007
40% 40.8% New Order 5,626,433 1,494
Payment 5,626,432
Order Status 562,643
Delivery 562,644
Stock Level 562,644
Customer Report 5,626,429
30% 29.8% New Order 4,111,870 1,494
Payment 4,111,864
Order Status 411,186
Delivery 411,186
Stock Level 411,187
Customer Report 4,111,865
20% 19.8% New Order 2,736,224 1,494
Payment 2,736,221
Order Status 273,623
Delivery 273,623
Stock Level 273,623
Customer Report 2,736,220
10% 9.9% New Order 1,373,143 1,494
Payment 1,373,139
Order Status 137,313
Delivery 137,315
Stock Level 137,315
Customer Report 1,373,142
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0