Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 194,117
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     207,024
Calibration 2     195,885
Calibration 3     194,483
ssj_ops@calibrated=195,184
100% 99.5% 195,184 194,117
90% 90.6% 175,666 176,921
80% 78.8% 156,147 153,888
70% 69.7% 136,629 136,088
60% 60.1% 117,110 117,324
50% 49.8% 97,592 97,249
40% 40.3% 78,074 78,650
30% 30.1% 58,555 58,822
20% 20.1% 39,037 39,215
10% 10.1% 19,518 19,745
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 15,059,783 1,494
Payment 15,059,781
Order Status 1,505,979
Delivery 1,505,979
Stock Level 1,505,978
Customer Report 15,059,780
Calibration 2 New Order 14,247,856 1,494
Payment 14,247,854
Order Status 1,424,785
Delivery 1,424,785
Stock Level 1,424,786
Customer Report 14,247,852
Calibration 3 New Order 14,144,557 1,494
Payment 14,144,558
Order Status 1,414,456
Delivery 1,414,455
Stock Level 1,414,456
Customer Report 14,144,562
100% 99.5% New Order 14,118,050 1,494
Payment 14,118,053
Order Status 1,411,806
Delivery 1,411,806
Stock Level 1,411,805
Customer Report 14,118,048
90% 90.6% New Order 12,867,305 1,494
Payment 12,867,310
Order Status 1,286,732
Delivery 1,286,731
Stock Level 1,286,730
Customer Report 12,867,302
80% 78.8% New Order 11,191,915 1,494
Payment 11,191,914
Order Status 1,119,192
Delivery 1,119,192
Stock Level 1,119,192
Customer Report 11,191,916
70% 69.7% New Order 9,897,802 1,494
Payment 9,897,801
Order Status 989,780
Delivery 989,780
Stock Level 989,781
Customer Report 9,897,797
60% 60.1% New Order 8,532,703 1,494
Payment 8,532,710
Order Status 853,270
Delivery 853,271
Stock Level 853,271
Customer Report 8,532,707
50% 49.8% New Order 7,072,833 1,494
Payment 7,072,832
Order Status 707,283
Delivery 707,282
Stock Level 707,284
Customer Report 7,072,833
40% 40.3% New Order 5,720,335 1,494
Payment 5,720,327
Order Status 572,032
Delivery 572,033
Stock Level 572,032
Customer Report 5,720,327
30% 30.1% New Order 4,278,029 1,494
Payment 4,278,029
Order Status 427,804
Delivery 427,803
Stock Level 427,804
Customer Report 4,278,029
20% 20.1% New Order 2,852,041 1,494
Payment 2,852,039
Order Status 285,204
Delivery 285,203
Stock Level 285,203
Customer Report 2,852,041
10% 10.1% New Order 1,436,056 1,494
Payment 1,436,062
Order Status 143,607
Delivery 143,606
Stock Level 143,606
Customer Report 1,436,063
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0